Dissertations / Theses on the topic 'Production of textile industry'
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Chan, Tak-him. "From international regulation to green production : continuous challenges to our textile and clothing industry /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17956791.
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Aggarwal, Rajesh Kumar. "The use of microprocessor control in fancy yarn production." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329736.
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Lim, Mikyung. "An Assessment of the Impact of the North American Free Trade Agreement (NAFTA) on the U.S. Textile Industry's Production Activities: Qualitative and Quantitative Approaches." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/28262.
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The implementation of the North American Free Trade Agreement (NAFTA) between the United States, Canada, and Mexico created a barrier-free production and trade zone in North America. Surrounding the implementation of NAFTA, a great volume of public, political, and academic attention was given to the impact of the agreement on the aging U.S. textile industry with high labor costs. The major NAFTA provisions, the elimination of tariffs and quotas and rules of origin, were predicted to create and divert U.S. trade in textile goods and expand domestic textile production activities. Since its implementation, however, volatile macroeconomic and political environmental changes have severely interfered with the role of NAFTA.
Over ten years have passed since the implementation of NAFTA. The objectives of this research are to investigate the pattern of the U.S. textile industry's production activities under NAFTA and to determine the impact of the agreement on the industry's production activities. This research consists of two parts. Part I is a qualitative analysis that investigates changes in the industry's trade and production activities under NAFTA based on the review of literature and trade and industry data. Part II of this research, a quantitative analysis, applies a normalized restricted translog profit model to the textile industry's production activities under the influence of NAFTA in order to identify the pattern of the industry's output supply and input demand and to determine the impact of NAFTA on the industry. The outcomes of these analyses are used to make an overall assessment of the impact of NAFTA on the U.S. textile industry and draw policy implications.
The outcome of the qualitative analysis suggests NAFTA as an effective policy in expanding and regionalizing U.S. trades in textile goods and promoting domestic textile production activities in the early years of implementation. Since the late 1990s, however, macroeconomic and political changes have dominated over the role of NAFTA, partially undoing the changes in U.S. textile trade and production activities made in the early years of the agreement. The outcome of quantitative analysis identifies the significant, but negative effect, of NAFTA on the U.S. textile industry's profit performance in the early years of NAFTA, probably due to intensified import competition, fall of real output prices, and numerous mill closings. Overall, NAFTA is recognized as a short-term, transitional policy measure for the U.S. textile industry because of the limited importance of Mexico in U.S. textile trade, the short period of NAFTA implementation, and several dynamic environmental factors including exchange rate changes, U.S. signings of multiple regional trade agreements, and the emerging dominance of China in world textile trade under the phase-out of the Multi-fiber Arrangement that have changed international and domestic textile market competition. Ultimately, this study concludes that a trade policy is not likely to provide a long-term solution for the survival of U.S. textile industry.Ph. D.
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Kyaga, Ulrika. "Swedish Fashion 1930–1960 : Rethinking the Swedish Textile and Clothing Industry." Doctoral thesis, Stockholms universitet, Institutionen för mediestudier, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-145428.
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The aim of this thesis is to explore the development of Swedish fashion between 1930 and 1960 by examining the textile and clothing industry from the wider perspective of fashion production. It was during this period that Sweden was transformed into a leading industrial nation, which laid the foundation for increased prosperity in the post-war period. This historical and empirical study is predominantly based on systematic analysis of Swedish official statistics and close reading of the fashion press. The thesis applies a combination of approaches in the analytical chapters (chapter 2–4) that include three central aspects of fashion production: manufacturing, symbolic production, and the production of a national fashion. Chapter 2 gives an account of the industrial production of clothing and examines the scope, size and structure of the textile and clothing industry. The results confirm its importance to the Swedish economy in the period. One important finding shows that a shift in production from tailored outerwear to lighter garments occurred as early as the mid-1950s. Chapter 3 investigates the symbolic production of fashion by looking at the structure of the field of fashion in Sweden. The results show a French dominance where couturiers were celebrated as creative ‘artists’. A significant finding is how the idea of Swedish fashion was considered a process of creating economic value, as in clothing manufacturing. Chapter 4 deals with fashion as an expression of national culture. The result reveals a significant fashion culture associated with an everyday wear fashion that followed the Social Democratic reforms aimed at equality in society during the period. One important finding is that the wool coat was the hallmark of Swedish fashion identity in the post-war period. These results contribute to a broader understanding of fashion production and new insights into the history of its developments in Sweden between 1930 and 1960, which has gone largely unrecognised by previous fashion historians.
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Arias, Castañeda Josue Ronaldo, and Gonza Ruth Silvana Condori. "Modelo de Mejora de Procesos basado en Lean Manufacturing y Distribución de Planta para Reducir los Tiempos de Producción." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652766.
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En la actualidad, las industrias textiles presentan frecuentemente problemas en el área de producción, como los elevados tiempos de producción. Este es uno de los principales problemas que se presentan en este tipo de empresas, por la falta de organización de los procesos comprometiendo tanto la productividad como la competitividad de estas. Por ello, para la solución de este problema se propone la implementación de las herramientas del Lean Manufacturing y distribución de planta para reorganizar los procesos de producción, y a su vez, establecer métodos de trabajo adecuados, mediante el diseño de un modelo de optimización de tiempos en la producción, el cual consta en 2 fases enfocadas al proceso productivo y el personal. Como resultado de la implementación se obtendrá una reducción del tiempo de producción del 23.13% y 52.48%. del tiempo actual en el caso de edredones y sábanas, respectivamente. De la misma manera, se mejorará la productividad del operario, aumentando en 54.31% en el caso de edredones y 53.37% en sábanas.At present, the textile industries frequently present problems in the production area, such as the long production times. This is one of the main problems that arise in this type of company, due to the lack of organization of the processes, compromising both their productivity and their competitiveness. Therefore, for the solution of this problem, the implementation of Lean Manufacturing tools and plant distribution is proposed to reorganize production processes, and in turn, establish appropriate work methods, by designing a time optimization model. in production, which consists of 2 phases focused on the production process and personnel. As a result of the implementation, a reduction in production time of 23.13% and 52.48% will be obtained. of the current time in the case of quilts and sheets, respectively. In the same way, the productivity of the operator will be improved, increasing by 54.31% in the case of quilts and 53.37% in sheets.
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Chan, Tak-him, and 陳德謙. "From international regulation to green production: continuous challenges to our textile and clothingindustry." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B43893648.
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Saliaris, Orestis G. "A systems approach to operations management in a Greek manufacturing company." Thesis, University of Stirling, 1989. http://hdl.handle.net/1893/12324.
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The intention of this work was to examine the infra-structure of a medium-sized Greek textile manufacturing enterprise. The Organisation became a leading acrylic blanket producer at national level, as a result of the management's receptivity to transfer of the highest standards of technology and expertise. The business was geared to the quality end of the market and offered its customers a high added value range of products. At the initiation of the systems study, the problem was conceived as one of inadequate production planning and stock control procedures. The high customer service level policy was accomplished through substantial stockholding on the part Of the firm and resulted in inventories being the company's highest current assets component. A systems approach to the operations of the Organisation indicated problems of information discontinuity, while barriers of communication were caused by lack of clear objectives. Analysis of the existed procedures led to the creation of three new sub-systems: the production scheduling, the quality control and the marketing departments. Material and information closed-loop controls were established and job description systems were introduced. An internal management reporting system was designed to facilitate improved decision making - In the implementation stage the author concentrated on training the systems/users while operational difficulties were resolved during actual running. The project's objective was the development of an open system which would maintain dynamic equilibrium with its surrounding environment. Planning and control procedures made the internal sub-systems interactions controllable, but the external changes created difficulty. Growing recession and government austerity policies exercised considerable influence on the operations of the system/organisation. company viability was safeguarded, a make-to-order policy was Pursued and a new business structure was created. This work is considered to exemplify the Greek industrial sector and the difficulties which will be experienced in deploying modern management methods in Greek manufacturing industry.
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Henry, Philippa Anne. "The changing scale and mode of textile production in late Saxon England : its relationship to developments in textile technology." Thesis, University of Oxford, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669895.
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Ramos, Alvarado Janine Estela, and Sandra Radner. "Textile industry consulting report case of CREDITEX S.A.A." Master's thesis, Pontificia Universidad Católica del Perú, 2020. http://hdl.handle.net/20.500.12404/17609.
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CREDITEX S.A.A. is a company dedicated to the manufacture and sale of yarns, fabrics and garments made with Pima and Tangüis cotton, to both national and international markets. The company is characterized by being vertically integrated, managing its operations in seven plants distributed along the Peruvian coast, thus achieving absolute control during the entire manufacturing process. CREDITEX belongs to the economic group Corporación Cervesur S.A.A., and employs around 1500 people, including operators and administrative staff, as well as a board of Executive Directors composed by six people.
In the last five years, the company has shown a decline in sales, which has been notably reflected in the financial statements, for instance, an EBITDA of PEN 12'370 miles was reached in 2018 and PEN 9'171 miles in 2019, indicating a decline of around 25%. This is mainly due to the increase in production costs and it has been possible to demonstrate during the analysis carried out in the present thesis that the costs of materials and labor have had a significant influence on this rise. Hence, the international demand has been reduced as customers have opted for other more economical options.
Under this scenario and the prompt need to solve the reduction in sales, it is proposed the strategy of product development for an existing market, which refers to the United States; with a focus on the category of sportswear targeting the premium segment, in addition to the implementation of the FairTrade or Made in Green seal in order to have an added value on the current products and justify their prices. Finally, it is proposed specific recommendations for CREDITEX to improve its internal processes and, consequently, sales and positioning in the local and international markets.CREDITEX S.A.A. es una empresa dedicada a la manufactura y venta de hilados, tejidos y prendas de algodón tipo Pima y Tangüis; tanto al mercado nacional como internacional. La compañía se caracteriza por ser verticalmente integrada, maneja sus operaciones en siete plantas distribuidas a lo largo de la costa peruana, logrando así tener absoluto control durante todo el proceso de manufactura. CREDITEX pertenece al grupo económico Corporación Cervesur S.A.A., y emplea alrededor de 1500 personas, entre operarios y administrativos, así mismo cuenta con una junta de Directores Ejecutivos conformada por seis personas. En los últimos cinco años, la empresa ha evidenciado reducción en las ventas, lo cual se ha reflejado notablemente en los estados financieros, por ejemplo, se reportó un EBITDA de 12’370 miles de soles en 2018 y 9’171 miles de soles en 2019, lo cual indica una caída de alrededor del 25%. Esto se debe principalmente al incremento en los costos de producción y se ha podido demostrar durante el análisis realizado en la presente tesis que los costos de materiales y mano de obra han tenido bastante influencia en este aumento. De modo que la demanda internacional se ha reducido ya que los clientes han optado por otras opciones más económicas. Bajo este escenario, y la pronta necesidad de resolver la reducción en las ventas, se propone que la empresa opte por la estrategia de desarrollo de producto para un mercado existente, el cual refiere a Estados Unidos; con un enfoque hacia la categoría de ropa deportiva dirigida al segmento premium, además de la implementación del sello FairTrade o Made in Green a fin de tener un valor agregado sobre los productos y sustentar el precio actual. Finalmente, se proponen concretas recomendaciones a fin de que CREDITEX realice mejoras en sus procesos internos y, consecuentemente las ventas y posicionamiento en el mercado local e internacional tengan un mejor comportamiento.
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Andrade, Yanira, Leslie Cardenas, Gino Viacava, Carlos Raymundo, and Francisco Dominguez. "Lean manufacturing model for the reduction of production times and reduction of the returns of defective items in textile industry." Springer, 2019. http://hdl.handle.net/10757/656240.
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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.Textile garment industries must be readily aware of the system’s current situation, respond quickly to changes in style to process orders on time, and manage an appropriate method of work to avoid production delays. In addition, the textile sector plays an important role because it presents a significant weight in the world economy. Likewise, this sector is considered influential when defining an international business agreement. Therefore, adequate management is required in the sector. Otherwise, it will generate a competitive disadvantage because the Peruvian industry is approaching an export recession. This paper proposes using the lean manufacturing methodology to reduce production times. The project is validated through a simulation of the current and proposed processes with the application of lean thinking tools to reduce waste (manufacturing process times).
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Fock, Ah Chuen Michel. "Etat, production et exportation cotonnières, industrie textile et développement économique : une histoire économique du coton-textile dans le monde." Montpellier 1, 1997. http://www.theses.fr/1997MON10040.
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Le travail realise est une analyse de la dynamique a l'echelle mondiale de la production et des echanges du coton/textile (coton fibre, file et tissu de coton) avec la particularite d'une prise en compte explicite du role de l'etat. Notre recherche nous conduit a affirmer qu'il n'y a pas de developpement effectif du coton/textile sans implication de l'etat et que cette derniere est fondee sur le plan economique. La justification resulte d'abord de l'impact positif des activites du coton/textile sur le developpement economique. Elle decoule ensuite de la necessite de reduire les contraintes liees a l'environnement economique de la production cotonniere et de l'industrie textile pour parvenir a un reel developpement du coton/textile. L'implication de l'etat dans le domaine du coton/textile va bien au-dela de la phase de promotion. C'est la consequence de l'effet du renversement de sens de la relation entre les activites du coton/textile et le developpement economique, accentue par la concurrence des pays entres plus recemment dans le coton/textile. La theorie standard du commerce et du developpement permet de comprendre la succession de phases de relation positive puis negative entre les activites du coton/textile et le developpement economique, elle n'explique pas cependant la diversite du declin de l'industrie textile entre des pays a anciennete equivalente dans cette industrie. La notion de "social capability" degagee des etudes sur l'hypothese de convergence tempere le determinisme voire le fatalisme de la theorie utilisee. La dynamique du coton/textile dans le monde est donc d7abord la consequence des relations entre cette activite et le developpement economique. Cette dynamique n'est cependant pas le seul resultat d'un mecanisme economique, ce dernier est accompagne par l'etat, qui l'accentue au depart lorsqu'il est favorable au coton/textile et qui l'entrave au contraire lorsqu'il devient defavorableOur research work is an analysis of the evolution of production and exchange of cotton/textile in the world (cotton fiber, yarn and fabric of cotton). Taking into account the role of the state, we achieve to the conclusion that there is no actual cotton/textile developement without state involvement and that this involvement is economically founded. The rationale of this involvement comes basically from the positive impact of cotton/textile activities on economic development. This involvement is also required in practice to mitigate economic environment constraints against development of new cotton/textile productions. The state involvement in the field of cotton/textile goes beyond the development stage of these activities. This is a consequence of the reversion of the relationship between cotton/textile activities and economic development in the related country, in addition to the international competition from new-comers in cotton/textile production. The standard theory of trade anddevelopment helps to understand the sequence of phases with positive then negative relationship between cotton/textile and economic development, however this theory does not predict diversity of textile industry demise patterns among countries with similar age in this industry. The principle of "social capability" as an output of studies upon the convergence hypothesis allows to alleviate determinism if not fatalism of the theory used. Dynamics of cotton/textile in the world araises basically from the relationship between these activities and economic development. This dynamics is not only the result of an economic mechanism, as this latter is accompanished by the state, who enhanced it when it favors cotton/textile development and who hinders it in the opposite case
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Pitcher, M. Anne. "A triad of interest : the Estado Novo, the Portuguese textile industry and Colonial cotton production under Salazar." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253982.
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Harper, Sara. "Supply network configuration for small series, high-cost production : Exploring the European textile and apparel industry context." Licentiate thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23206.
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The purpose of this thesis is to increase the understanding of supply network configuration (SNC) for small series production in high-cost contexts in relation to the textile/apparel industry. SNC encompasses strategic structural and infrastructural decisions at the supply chain level, motivated by capabilities/priorities. The key configuration decisions addressed concern textile/apparel production in Europe, with associated context-specific advantages and challenges. The thesis takes a particular focus on how practitioners consider these configurations and motivations. The thesis begins with identification of motivations for locating textile/apparel production in high-cost contexts, to capture the driving priorities. Thereafter, the thesis extends the focus beyond location motivations to identify the key SNC aspects and characteristics for small series production in high-cost contexts. These configuration-related aspects and capabilities are elaborated upon and modelled to understand how they are interrelated in textile/apparel industry contexts. The empirical work uses mixed-methods and seeks to bring together the relevant topics using a SNC and capabilities approach. The specific methods, Delphi study and interpretive structural modeling, are focused on sensitivity practitioner perspectives. Findings show multiple key motivations/capabilities for high-cost textile/apparel production, specifically small series production (customization); which is closely linked with several other priorities, including quality and flexibility/delivery. Expanding the view to the SNC aspects, the findings confirm and extend the literature regarding complexities, multi-level characteristics, synergies and trade-offs, and industry/location contingencies. Regarding this European textile/apparel context, several interrelated considerations create challenges with respect to balancing configuration, capabilities and location; in particular related to multiple priorities such as flexibility/delivery, quality, innovation/sustainability, and the level of product variety/customization. Several relational characteristics are also crucial, including focus on trust and information sharing, although, with a few significant exceptions, limited supplier integration levels are found. These findings indicate the need to build upon existing relationships to develop end-to-end digital connections. The thesis approaches issues at the intersection of theory and practice, regarding configuring supply networks for small series production in high-cost contexts. Practically, it develops an approach to evaluate and model decision aspects, demonstrating how this can be used with a variety of textile/apparel companies. Several extensions are required to support current and future state mapping, including developments related to the method and the addition of performance considerations. The thesis contributes to theory by broadening the focus on high-cost locations to include small series production and the SNC perspective. Thus, the research confirms multiple priorities including innovation and sustainability; additionally finding several challenges associated with small series textile/apparel production in high-cost contexts. Further research should extend the focus to understand (re)configuration processes, and implications on priorities like sustainable innovation.
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Hort, Per Bolin. "Work, family and the State : Child labour and the organization of production in the British cotton industry 1780-1920 /." Lund : Bromley : Lund university press ; Chartwell-Bratt, 1989. http://catalogue.bnf.fr/ark:/12148/cb35516679h.
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Barrientos, Ramos Nicole Jonika, and Cayetano Luz Milagros Tapia. "Modelo Lean Manufacturing de reducción de mudas aplicando el trabajo estandarizado para reducir la cantidad de productos con defectos en Mypes textiles." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653024.
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En la actualidad, la industria textil equivale al 7.2% del PBI de las empresas manufactureras y es el segundo grupo con mayor participación en el mercado, pues tiene un impacto significativo en la economía del país. Sin embargo, ha sufrido gran inestabilidad en sus ventas debido a la alta competitividad proveniente sobre todo del sudeste asiático, quienes han llevado consigo producciones de alto volumen con costos operativos por debajo del mercado, frente a ello, muchas compañías han optado por la tercerización de diversas etapas de la producción con la finalidad de disminuir sus costos. La baja productividad, la variabilidad de sus procesos, los sobrecostos operativos, los largos tiempos de producción, entre otros, son las principales causas de la brecha que existe en el sector y a las cuales se debe atacar. Por lo tanto, el propósito de esta investigación es aportar a la industria textil con metodologías y herramientas que le permitan ser competitiva en el sector, logrando disminuir los sobrecostos operativos. Se analizará un estudio de caso real aplicado a una empresa denominada TEXTIL S.AC. siguiendo la aplicación del trabajo combinado que permita integrar mano de obra, método de trabajo y máquinas y con ello las mudas como los productos con defectos que incurre en gastos para la compañía. Los principales resultados permitieron concluir que las herramientas Lean son efectivas para normalizar el proceso y con ello lograr reducir la variabilidad y aumentar la productividad de una empresa textil.Currently, the textile industry is equivalent to 7.2% of the GDP of manufacturing companies and is the second group with the largest market share, as it has a significant impact on the country's economy. However, it has suffered great instability in its sales due to the high competitiveness coming especially from Southeast Asia, who have carried out high-volume productions with operating costs below the market, compared to this, many companies have opted for outsourcing of Various stages of production with the proposal of reducing their costs. Low productivity, the variability of its processes, operating cost overruns, long production times, among others, are the main causes of the gap that exists in the sector and which must be attacked. Therefore, the purpose of this research is to contribute to the textile industry with methodologies and tools that will be competitive in the sector, reducing operating costs. A real case study applied to an affected company TEXTIL S.AC. will be analyzed. following the application of the combined work that allows integrating labor, work method and machines and with it the changes as products with defects that incur costs for the company. The main results led to the conclusion that Lean tools are effective in normalizing the process and thereby reduce variability and increase the productivity of a textile company.
Trabajo de investigación
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Younes, Basel. "The statistical modelling of production processes of biodegradable aliphatic aromatic co-polyester fibres used in the textile industry." Thesis, Heriot-Watt University, 2012. http://hdl.handle.net/10399/2522.
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Kassaee, Massoud. "Linkage of Business and Manufacturing Strategies as a Determinant of Enterprise Performance: an Empirical Study in the Textile Industry." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc278687/.
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The main question in this study was: do business units that exhibit a "linkage" or "fit" between their business strategy and manufacturing strategy variables, outperform competitors who lack such a fit? This exploratory research focused on two business strategies: cost leadership and differentiation. Based on existing literature, twenty-four hypotheses concerning the relationship between business strategy and selected manufacturing strategy variables were developed. The manufacturing executives of eighty-eight broadwoven cotton fabric mills (SIC 2211) were surveyed using a qualitative questionnaire. Two sets of comparisons were made between the manufacturing strategy variables of the sampled firms: first, high vs. low performers pursuing cost leadership strategy; and second, high vs. low performers focusing on differentiation strategy. Within each set of comparisons, high performers reported linkage between their business strategies and selected manufacturing strategy variables. This study re-affirms the importance of linking business strategy with manufacturing strategy variables as a forceful weapon for overcoming competition.
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Bardales, Vasquez Zonia Brenda, and Alvarado Paolo Stevens Tito. "Propuesta de reducción de incumplimiento de pedidos en empresa productora de tela para exportación mediante la alineación de herramientas de calidad y gestión por procesos." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/657117.
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El presente proyecto presenta la implementación de una metodología innovadora que permita integrar la Gestión por Procesos con los lineamientos de herramientas de calidad en una empresa exportadora del rubro Textil. Este, pretende ser una guía para la aplicabilidad y adaptabilidad de la técnica innovadora en diferentes rubros.
Primero, se desarrollará los antecedentes del entorno textil y las principales deficiencias con el que este se desarrolla. Así mismo, se analizará la importancia del sector para el país dado su aporte en el PBI, así como el estudio de la técnica a emplear para la solución del problema.
Posteriormente se realizará el análisis del caso de estudio, el cual iniciará con la justificación cualitativa y cuantitativa para luego analizar las causas inmediatas y raíces. Se pretende determinar la relación entre variables que permitan demostrar la repercusión en el problema central hallado y el impacto económico que demuestre el efecto sobre la rentabilidad.
Seguidamente, se planteará la propuesta innovadora como solución del problema y su estructuración, se esquematizará los alcances, consideraciones y un cronograma que permita determinar el tiempo estimado para su desarrollo.
Luego, se realizará la validación de efectividad del modelo piloto y los indicadores que permitan evidenciarlo de acuerdo con el análisis de la situación actual de la empresa, acompañado de la evaluación económicamente que demuestre su rentabilidad y el periodo de retorno de la inversión
Finalmente, se desarrollarán las conclusiones y recomendaciones generales y específicas que arroja el informe completo con los cálculos, logros obtenidos vs lo esperado.The present project presents the implementation of an innovative methodology that allows integrating Process Management with the guidelines of quality tools in a company that exports Textile. This aims to be a guide for the applicability and adaptability of the innovative technique in different areas. First, the background of the textile environment and the main deficiencies with which it develops will be developed. Likewise, the importance of the sector for the country will be analyzed given its contribution to GDP, as well as the study of the technique to be used to solve the problem. Later the analysis of the case study will be carried out, which will begin with the qualitative and quantitative justification and then analyze the immediate causes and roots. The aim is to determine the relationship between variables that allow demonstrating the impact on the central problem found and the economic impact that demonstrates the effect on profitability. Subsequently, the innovative proposal will be presented as a solution to the problem and its structuring, the scope, considerations and a schedule will be outlined to determine the estimated time for its development. Then, the effectiveness of the pilot model and the indicators that allow it to be evidenced will be carried out in accordance with the analysis of the current situation of the company, accompanied by an economic evaluation that demonstrates its profitability and the period of return on investment. Finally, the conclusions and recommendations of the full report with the achievements are developed
Trabajo de Suficiencia Profesional
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Skönvall, Moa. "Exploring the Establishment of a Local Textile Supply Chain in Italy." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-26594.
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Purpose - The purpose of this study was to explore what strategic decisions an Italian apparel company has made to establish a sustainable and local supply chain. Furthermore, the obstacles that have emerged during the process were examined, and what strategies that have been used to face these. The study also explored the key success factors of the case company. The information was then compiled to create an overview on how companies can create a local supply chain and what can be avoided during this process. Design/methodology - The method used for the study was a deductive and qualitative study. Data was collected through semi structured e-mail interviews with an Italian apparel company. The data was then analyzed and compared to previous studies and results in order to create an understanding of the success factors and difficulties connected to establishing local supply chains. However, the study is not generalizable since it is conducted on a single case, it only provides an example, not the full picture of the industry. Therefore, the reliability regarding generalizability is low. Findings - The result of the study was that strategic decisions were carried out with the goal to create sustainable denim created through a local and ethical supply chain. Another strategic decision was to share knowledge about sustainable production to other sustainable entrepreneurs, which enables common growth towards sustainable development in the textile industry. The most important element to succeed and overcome obstacles was the passion and perseverance of the co-founders as well as previous experience and knowledge within the denim industry. An additional strategic decision and success factor was the chosen area in which the case company is located and operates in. The case company managed to avoid the challenges connected to lack of know-how within the European textile industry caused by globalization, due to the chosen region’s knowledge, tradition and infrastructure. Practical implications - The findings from the paper can be beneficial for sustainable entrepreneurs and companies relocating or starting up a local supply chain. The findings of the paper can be used to establish a local supply chain that focuses on sustainable production and contributes to responsible consumption and production within the textile industry. Originality/value - This study is original in finding key factors to establish a local supply chain and how to overcome obstacles faced during the process. It creates value for sustainable entrepreneurs and companies searching for alternative ways of production that focuses on sustainability.Syfte - Syftet med studien var att utforska vilka strategiska beslut ett italienskt klädföretag har tagit för att skapa en hållbar och lokal värdekedja. Hinder och svårigheter som har uppstått under processen har undersökts samt vilka strategier som har använts för att möta svårigheterna. Studien har även undersökt de viktigaste framgångsfaktorerna hos det valda företaget. Informationen har sammanställts för att skapa en översikt över hur företag kan skapa en lokal värdekedja och vad som kan undvikas under processen. Design/metodik - Metoden som användes för studien var en deduktiv och kvalitativ studie. Data samlades in genom semistrukturerade e-postintervjuer med ett italienskt klädföretag. Uppgifterna analyserades sedan och jämfördes med tidigare studier och resultat för att skapa en förståelse för framgångsfaktorer och svårigheter kopplade till att etablera lokala värdekedjor. Studien är däremot inte generaliserbar då den genomförs på ett enda fall, den ger bara ett exempel, inte hela bilden av branschen. Därför är tillförlitligheten avseende generaliserbarhet låg. Resultat - Resultatet av studien var att strategiska beslut genomfördes med målet att skapa hållbar denim genom en lokal och etisk värdekedja. Ett annat strategiskt beslut var att dela kunskap om hållbar produktion till andra hållbara entreprenörer och företagare som möjliggör gemensam tillväxt mot en hållbar utveckling inom textilindustrin. Det viktigaste elementet för att lyckas och övervinna hinder var medgrundarnas passion och i härdighet samt tidigare erfarenhet och kunskap inom denimindustrin. Ett ytterligare strategiskt beslut och en framgångsfaktor var det valda området där företaget finns och verkar i. Företaget lyckades att undvika de utmaningar som är kopplade till brist på kunskap inom den europeiska textilindustrin till följd av globaliseringen, på grund av det valda områdets kunskap, tradition och infrastruktur. Praktiska konsekvenser - Resultaten från uppsatsen kan vara till nytta för företagare och företag som flyttar tillbaka sin produktion eller startar upp en lokal värdekedja. Genom att använda studiens resultat kan de framgångsrikt etablera lokala värdekedjor med fokus på hållbar produktion och bidra till ansvarsfull konsumtion och produktion inom textilindustrin. Originalitet/värde - Studien är originell när det gäller att hitta nyckelfaktorer för att lyckas med att skapa en lokal värdekedja samt hur företagare kan hantera de hinder som uppstår under processen. Rapporten skapar värde för hållbara företagare och företag som letar efter alternativa produktionsmetoder som fokuserar på hållbarhet.
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Portal, Marie-Laure. "La production textile (coton, laine, soie) en aire hellénophone moderne : analyse technique et historique." Paris 4, 2003. http://www.theses.fr/2003PA040280.
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En examinant la production textile (coton, laine, soie) dans une aire unie par l'usage du grec, de la fin du XVIIIe siècle à l'entre-deux guerres, la thèse se fixe un triple objectif. Le 1er ambitionne (par l'ensemble de la thèse) d'ouvrir la voie aux recherches sur le textile (et plus largement sur les techniques) en Grèce moderne. Le 2e (1e partie du doctorat) vise à élaborer, à partir du matériel de l'aire hellénophone moderne, un modèle général d'analyse pour traiter les cas rencontrés lors de dépouillements ultérieurs et dont le caractère heuristique rendrait apte à analyser le textile dans d'autres situations historiques. Le 3e s'attache à des questions historiques dont l'examen exhaustif est rendu difficile par l'absence quasi totale d'études préexistantes : la nouveauté du champ a fait choisir 4 volets dans l'aire hellénophone moderne (2e partie du doctorat) en dressant une histoire du jugement, en établissant la parcellisation de la production selon les lieux et milieux, en posant les linéaments d'une histoire des innovations et en développant les grands axes du problème de la communauté d'artBy examining the textile production (cotton, wool, silk) in the Greek-speaking area, from the end of the XVIIIth century to the period between the wars, this thesis has a triple aim. The first has the ambition (by the whole study) to open researches on textile (and more widely on the techniques) in modern Greece. The second (1st part of the thesis) trends towards building, from the equipment of modern Greek-speaking area, a general model of analysis to treat further cases and the heuristic feature of which would allow to analyse textile in other historical situations. The 3rd treats historical questions the study of which is difficult by the lack of existing works; this new approach makes us choose 4 parts in the modern Greek-speaking area (2nd part of the thesis): history of judgment, sharing-out of production according to places and circles, beginnings for a history of innovations and the main features of the community of art problem
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Wu, Yanrui. "Productive performance of Chinese enterprises : a stochastic frontier analysis /." Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phw959.pdf.
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Aranda, Yaulimango Cristian Santiago, and Aleman Makarena Ramos. "Propuesta de mejora en la gestión del proceso productivo para incrementar la rentabilidad en una PYME de confecciones aplicando herramientas Lean." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652736.
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La propuesta tiene como objetivo mejorar el proceso productivo y la gestión de compras para lograr una mayor eficiencia y aumentar la competitividad de la empresa en el mercado. En ese sentido, se desarrolló e implementó un plan de optimización para el proceso de producción que comenzó con el análisis de la causa raíz, con ello, se determinó que existe una gestión de procesos inadecuada y una planificación y control de producción ineficientes. Por lo tanto, la propuesta consiste en el uso de herramientas lean para todo el proceso operativo en la gestión de compras, y la estandarización con 5s para mediciones y controles en las operaciones. El uso de estas herramientas como un conjunto, permite reducir los tiempos de ciclo, controlar las operaciones y sistematizarlas para que funcionen de forma agrupada y automática. Por último, queremos ser parte de esta nueva era digital y desarrollarla a un más alto nivel, ya que con ayuda del diseño se tienen las estrategias definidas y el plan completo para efectuar la mejora, encontramos una de las mejores plataformas de aplicaciones empresariales open source que ayuda a potenciar el negocio para obtener un sistema que coordine sus procesos de manera automática, el cual certifique el buen funcionamiento de la entidad y permita prestar un servicio de calidad. Como resultado de la aplicación, hubo una reducción en el tiempo de ciclo del 8%, la tasa de reprocesamiento en un 10% y los costos de producción se redujeron en 11.2% durante el primer semestre.The proposal aims to improve the performance of the production process and the management of purchases to achieve greater efficiency and increase the competitiveness of the company in the market. In that sense, an optimization plan was developed and implemented for the production process of the company that began with the analysis of the root cause, it was determined that there is inadequate process management and inadequate production planning and control. Therefore, the proposal consists in the use of lean tools such as lean logistics for the entire operational process in purchasing management and standardization with 5s for measurements and controls in the operations of the production area. The use of these tools as a set, allows reducing cycle times, controlling operations and systematizing them so that they work in a grouped and automatic way. As a result of the application, there was a reduction in the cycle time of 8%, the reprocess rate in 10% and delays in the delivery time of the finished products by 25% less. Finally, production costs were reduced by 11.2% for the first semester.
Trabajo de Suficiencia Profesional
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Mayinger, Lisa, Adrijana Darkovska, and Yuen Suet Lin. "An explorative study on the potential to establish a local value chain in the Swedish home textile industry." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-22102.
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Purpose: The purpose of this research paper is to examine the potential of the Swedish textile industry to achieve more sustainability in the home textile segment, through establishing a local value chain for local consumption. The aim is to explore the potential of both the supply and demand side of the local market. For the supply, or the industry perspective, the goal is to show companies the relevant aspects to consider when choosing to establish a local value chain in Sweden, with a focus on the home textile segment. For the demand, or the consumer perspective, the objective is to find out how they perceive locally produced sustainable products and whether there is interest for purchasing such products. Methodology: Existing literature and relevant results from researches have been collected and used as secondary sources, for forming and backing up the industry perspective of the thesis work. Face to face interviews have been conducted and analyzed, for getting primary information for the consumer perspective for the paper. This work is an explorative study, combining information for both the supply and demand sides of the home textiles segment in Sweden. Findings: After combining the findings from the literature review and the results from the analysis from the interviews, it can be concluded that there is a potential to establish a local value chain in Sweden. The situation is not ideal though, also potential risks and drawbacks related to the locality of the value chain of the home textiles segment that are presented have to be considered. The paper explores both the advantages and the disadvantages for producing locally in Sweden, to estimate the existing potential.
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Tastepe, Bilgi Zeynep. "Competitiveness Of Turkish Textiles And Clothing Industry." Thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615719/index.pdf.
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Turkish textile and clothing industry is one of the pillar industries of Turkish economy with its contribution to export, GDP and employment. Also, it has linkages with many other industries. As a consequent, developments emerged in the industry eventually affect the overall economy of Turkey. Hence, analysis of the competitiveness of the enterprises operating in the textile and clothing industry of Turkey is very important for a more competitive country.
Within this context, the purpose of this study is to explore the key determinants of competitiveness of Turkish textiles and clothing industry, and analyze the effects of firm characteristics and future expectations on perceived competitive advantage of Turkish textiles and clothing firms. The study further purposes to analyze the Turkish textiles and clothing industry&rsquos structure.
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Berthier, Alice. "Transition vers une usine 4.0 grâce à l’utilisation d’outils d’aide à la décision dans le secteur textile." Thesis, Troyes, 2021. http://www.theses.fr/2021TROY0040.
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Les travaux présentés dans cette thèse ont été motivés par les besoins de l'entreprise textile Petit Bateau. L'entreprise s'ouvre aux enjeux de l'industrie 4.0. Engager cette thèse fut un moyen de s'y inscrire, en étudiant la mise en place de nouveaux outils d'aide à la décision. Le contexte de l'entreprise offre une grande variété de sujets originaux et stimulant dans le domaine de la recherche opérationnelle. Le premier problème traité est un celui d'allocation dynamique des produits sur la chaîne logistique. Plusieurs sites peuvent être éligibles pour fabriquer chaque produit. Un modèle a été proposé pour optimiser l'affectation en minimisant les coûts (stockage, production et transports). Le second est un problème d'agencement dynamique de l'atelier de tricotage. L'optimisation du positionnement des machines dans l'atelier en fonction de leur utilisation est apparue comme un pré requis avant de proposer une résolution au problème d'ordonnancement de ce même atelier. L'atelier est composé de machines parallèles non reliées avec plusieurs contraintes spécifiques. Pour aller plus loin et s'adapter aux imprévus courants dans un atelier de production, le réordonnancement a également été étudié. La mise en place dans l'entreprise de chacune des solutions étudiées est abordée dans la thèse. Les limites terrain qui ne l'ont éventuellement pas permise sont expliquées mais également les succès obtenus, notamment la production d'un logiciel d'ordonnancement à présent utilisé par le responsable de l'atelierThis thesis presents works motivated by the evolution objective of the textile company Petit Bateau. The company starts to see the importance of the stakes of the Industry 4.0. Begin this thesis was a step to go in this direction with the development of decision tools. The company context offers a large variety of original and challenging studies in operational research. The first problem is a dynamic products allocation problem on the logistic supply chain. Several sites can be selected to process different products. A mathematical model is proposed to optimize the allocation by minimizing the total cost (inventory, production and transport costs). The second one is a dynamic layout problem of the knitting workshop. The layout optimization relative to the utilization rate of each machine seems to be a prerequisite before the resolution of the scheduling problem of this identic workshop. The workshop is composed of unrelated parallel machines with several specific constraints. To go further, the rescheduling problem is studied to take into consideration disturbances that can occur during production. The feasibility in the company of each solution studied is presented. The constraints on field that not allowed it are explained but also the success obtained. Such as the production of a scheduling software nowadays used by the workshop manager
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Thomas, Thierry. "Contribution à l'inspection automatique dans l'industrie textile." Toulouse, INPT, 1994. http://www.theses.fr/1994INPT087H.
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Ce document presente une etude concernant l'automatisation de l'inspection des tissus realisee actuellement par un operateur humain dans le cadre du visitage. Le travail effectue concerne l'amelioration d'une methode de detection existante, basee sur la mise en evidence de la rupture de periodicite du tissu lors de l'apparition d'un defaut. Le chapitre i presente le principe du controle de qualite dans l'industrie textile, la description d'un systeme automatique de detection de defauts et un bref etat de l'art des systemes commercialises et a l'etude. Le chapitre ii developpe la notion de modele simplifie du tissu, et detaille les differentes etapes de la methode de detection (filtrage, decoupage de l'image en blocs et analyse geometriques). Le chapitre iii presente le systeme et le logiciel developpe, ainsi que les resultats experimentaux obtenus. Dans la conclusion, un bilan sur les resultats de la detection est expose et des perspectives pour une continuation de l'etude sont enoncees
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DAHLLÖF, AMANDA, and JULIA SVANSBO. ": Design rather than mass-production – analyzing the competitiveness of clothing-manufacturing in Rwanda." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-18075.
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The purpose of this study is to map out and analyse the competitiveness of the clothing-manufacturing sector in Rwanda on a local, regional and international level. The research was carried out as a case study of the Rwandan clothing-manufacturing sector through a two-months field study in Rwanda. Data were collected through semi-structured interviews with local fashion designers, clothing manufacturers and ministry representatives. Observations in manufacturing plants, local markets and tailoring studios were also carried out. The findings were analyzed through an analysis model based on Porter’s diamond model, enhanced with the notions of country of origin effect (COO), corporate social responsibility (CSR) and customer-based brand equity (CBBE). The findings show a sector that is struggling with its competitiveness on a local, regional and international level. Lack of relevant factor conditions such as cheap labour and energy as well as low local demand indicates that the country is not suitable for mass-production of clothes. The emerging fashion scene shows abundance in creativity and entrepreneurship, but there is a need for more developed tailoring skills, product quality level and knowledge in management and marketing. Rwanda is not competitive for mass-production of clothing, but the sector could profile itself on high-end fashion and products with craftsmanship qualities. Allocating resources to education and investments in supporting industries could help the Rwandan clothing-manufacturing sector to profile itself on a regional and international market. No studies on the Rwandan clothing-manufacturing sector and its competitiveness have been done since 1989. Due to the shifting focus towards East-Africa as a textile and clothing-manufacturing hub, an update of the situation in Rwanda was found relevant. The study contributes to the existing literature on competitiveness in the textile industry and forms a relevant stepping-stone for further research.Program: Textilekonomutbildningen
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Попело, С. О. "Управління фінансово економічною безпекою підприємств текстильної промисловості." Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/20178.
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Попело, С. О. Управління фінансово економічною безпекою підприємств текстильної промисловості: магістерська робота : 072 Фінанси, банківська справа та страхування / С. О. Попело ; керівник роботи Тарасенко А. В. ; Національний університет «Чернігівська політехніка», кафедра фінансів, банківської справи та страхування. – Чернігів, 2020. – 110 с.Предметом дослідження ВКР є теоретичні, методичні та практичні засади управління фінансово економічною безпекою підприємств текстильної промисловості. Метою дипломної роботи є теоретичний аналіз управління фінансово економічного безпекою , оцінка фінансового стану галузі текстильної промисловості на прикладі підприємства ПрАТ «Прилуцька швейна фабрика», дослідження напрямків управління фінансово економічною безпекою в умовах нестабільності. Основними завданнями, що були поставлені в ході виконання дипломної роботи були: - дослідження нормативно–правового забезпечення функціонування підприємств текстильної промисловості; - оцінювання фінансово-економічного стану підприємства ПрАТ «Прилуцька швейна фабрика»; - виявлення проблем та визначення перспектив в управлінні фінансово економічною безпекою текстильного підприємства; За результатами дослідження є сформульовані шляхи управління економічно безпекою текстильної промисловості держави.
The subject of WRC research is theoretical, methodical and practical principles мanagement of financial and economic security of textile industry enterprises. The purpose of the thesis is to theoretical analysis of financial and economic security management, assessment of the financial condition of the textile industry on the example of the enterprise PJSC "Pryluky Garment Factory", study of areas of financial and economic security management in conditions of instability. The main tasks that were set during the thesis were: - research of regulatory and legal support of functioning of textile industry enterprises; - assessment of the financial and economic condition of the enterprise PJSC "Pryluky Garment Factory"; - identification of problems and identification of prospects in the management of financial and economic security of the textile enterprise; According to the results of the research, ways to manage the economic security of the textile industry of the state are formulated.
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Bayat, Angela, and Sarah Chowdhury. "En studie om ekonomisk lönsamhet inom textilindustrin med fokus på hållbarhet ur ett miljöperspektiv." Thesis, KTH, Maskinkonstruktion (Inst.), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299512.
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Den här rapporten är en studie av textilindustrin. Rapporten ingår i kursen Examensarbete inom industriell produktion som ingår i Civilingenjörsprogrammet Maskinteknik. Studien är relevant i tiden då mycket forskning sker för att lösa de nuvarande respektive framtida problemen. Vi konsumerar mycket textilier, nästan 14 kg per person per år, varav 10kg är bara kläder. En stor mängd av dessa textilier, hela 73 procent, går till spillo istället för att återanvändas eller återvinnas. Samtidigt produceras också många nya textilier med icke-hållbara resurser som bland annat fossila energikällor och giftiga kemikalier, vilka i sin tur har allvarliga effekter på miljön. Produktionskedjan har således en väldigt stor miljöpåverkan. De aspekter som tas upp i studien är därför hållbarhet, återvinning, ekonomiska perspektiv såsom cirkulär ekonomi och konsumentsyn. Studien går även in på material och resurser. Syftet med studien är att delge läsaren kunskap om textiliers kretslopp och problemen som finns inom industrin med hänsyn till miljön. Frågeställningen fokuserar kring hur den ekonomiska lönsamheten bör uppnås inom företag för att ha ett hållbart och cirkulärt system. Litteraturstudie utfördes där det ingick bland annat organisationsrapporter och vetenskapliga rapporter med mera. För att få en verklig uppfattning intervjuades kunniga personer inom den textila branschen. En från Smart Textiles och en annan från Nordiska Textilakademin (NTA). Dessa intervjuer gav en verklig uppfattning om situationen inom textilindustrin. Efter slutförd studie är slutsatsen att problemen som finns är väldigt komplexa och det krävs mycket arbete för att lösa de för att få ett resurseffektivt, hållbart och cirkulärt system. Men trots det kan vi med största sannolikhet gå mot en mer hållbar textilindustri från ett miljöperspektiv genom att utveckla lönsamma återvinningstekniker, tillämpa rätt cirkulära affärsmodeller inom både etablerade och nya verksamheter, designa med hänsyn till produktlivscykeln, öka resurseffektiviteten och hanterar textilavfall på rätt sätt.This report is a study about the textile industry. The report is a part of the bachelor’s thesis course in Industrial Production given at KTH Royal Institute of Technology as a part of the Mechanical Engineering program. The study is relevant in time, because a lot of research is currently going on to solve the current and future problems in the textile industry. We consume a lot of textiles, nearly 14 kilograms per person per year, of which 10 kilogram is only clothes. A significant amount of these textiles goes to waste (73 percent) instead of being reused or recycled. At the same time a lot of new textiles are also being produced with non-sustainable resources such as fossil fuels and toxic chemicals, which in turn has severe environmental impacts. Thus, the production chain has a very large environmental impact. The aspects that are addressed in the report are therefore sustainability, recycling, economic perspectives such as circular economy and the consumer perspective. The study also discusses materials and resources. The purpose of the study is to provide the reader with knowledge about the textile loop and the problems that exist in the industry with focus on the environment. The study tries to answer the question on how financial profitability could be achieved within companies in order to have a sustainable and circular system. A literature study has been conducted consisting of reports from organisational reports as well as scientific reports and more. People with knowledge about sustainability within the textile industry were interviewed to get an empirical ground on this case, one from Smart Textiles and another one from the Nordiska Textilakademin. These interviews gave an actual insight of the situation in the textile industry. The conclusion is that the problems which exist are very complex and a lot of work is required to solve them in order to have a resource-efficient, sustainable and circular system. Despite this, we can most likely move towards a more sustainable textile industry from an environmental perspective, by developing profitable recycling techniques, applying the righ tcircular business models in both established and new businesses, designing with regard to the product life cycle, increasing resource efficiency and handling textile waste properly.
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León-Guizado, Sheyene, Anthony Castro-Hucharo, Pedro Chavez-Soriano, and Carlos Raymundo. "Production Model Under Lean Manufacturing and Change Awareness Approaches to Reduce Order Delays at Small and Medium-Sized Enterprises from the Clothing Sector in Peru." Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/653782.
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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.This study proposes a production model that increases the manufacturing capacity in a small and medium-sized enterprise (SME) of garments with an aim to reduce the nonfulfillment of order deliveries. An assessment has been done and waiting times between production processes have been identified, along with defective products and inefficient work methods. This study proposes the design of a lean manufacturing model under the change management approach, whose methodology comprises five phases. In phase 0, awareness and training sessions are conducted (change management). Then, phase 1 reorganizes the work area (plant layout re-distribution and 5S) and phase 2 seeks better workload balances (line balance and Heijunka implementation). Later, phase 3 standardizes work methods (standardization). Finally, the proposed model will be validated to determine whether the selected operating tools are supported by the awareness that contributes to increasing production. © 2021, Springer Nature Switzerland AG.
Revisión por pares
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Rodrigues, Ronaldo dos Santos. "Proposta de sistematização para a etapa conceitual do processo de desenvolvimento de produto no segmento têxtil." Universidade Tecnológica Federal do Paraná, 2012. http://repositorio.utfpr.edu.br/jspui/handle/1/315.
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A indústria têxtil brasileira se posiciona como a quinta maior produtora mundial neste segmento. Entretanto, se constata que seu desenvolvimento de produto é ineficiente, não fazendo uso das metodologias de processo de desenvolvimento de produto (PDP) já consagradas no segmento industrial. Especificamente no desenvolvimento do tecido de malha, recorre-se a experiência do técnico desenvolvedor, onde o retrabalho é constante e pautado na tentativa e erro, gerando atrasos no cronograma para o lançamento de uma coleção. No cotidiano das empresas, a etapa conceitual é a mais negligenciada ao se desenvolver uma malha. As metodologias clássicas de PDP indicam que a etapa do projeto conceitual se destaca incidindo, entre outros aspectos, no custo e na diferenciação do produto. As referências bibliográficas, relativas ao PDP têxtil enfatizam a etapa conceitual relacionando-a com o sucesso do produto. Porém, nessas literaturas não se encontram indicativos de como conduzir a etapa conceitual. A presente dissertação tem o objetivo de apresentar o desenvolvimento de um modelo e ferramenta para desenvolvimento de malhas, na etapa conceitual. Para tanto, foi realizado um levantamento bibliográfico sobre: algumas metodologias de PDP clássicas; a indústria têxtil e seus segmentos; e o PDP na indústria têxtil; para, posteriormente, executar um levantamento de campo junto à empresas desenvolvedoras de malha, visando um diagnóstico do seu PDP. Em seguida, os resultados obtidos no levantamento de campo foram comparados aos referenciais bibliográficos, para identificar as lacunas existentes na prática. Com a verificação de que a etapa conceitual é a mais crítica na prática, concebeu-se uma metodologia para desenvolvimento de malha na etapa conceitual, baseada em Back e co-autores. Posteriormente, foi construída uma ferramenta computacional onde a abordagem proposta se desenvolve, gerando registros de todo o processamento. Para validar a ferramenta, foi conduzido experimento simulando situações de projeto. Ao final, os participantes responderam um questionário referente às percepções sobre o modelo e a ferramenta. Os resultados obtidos foram positivos, indicando ser este modelo de grande valia para o desenvolvimento de malha, aumentando a assertividade no seu desenvolvimento.The Brazilian textile industry is the fifth largest producer in the world. However, it has an inefficient product development process (PDP), not employing formal design methodologies, since some of them are already well established in the industrial segment. Specifically in the development of knitted fabric, the experience of the technical developer is fundamental, but it does not avoid reworking, which is most of the time guided by a trial and error approach, causing delays in the collections launching. Data from a field survey suggest that the conceptual design phase, for example, is one of the most neglected. The classical methodologies for PDP indicate that the stage of conceptual design is important because it focuses, among other things, on the cost and product differentiation. The references concerning the textile PDP emphasize the conceptual design is related to the product success. However, this literature does not indicate how to implement the conceptual design in the textile environment. This dissertation proposes the development of a model and a tool for implementing conceptual phase for knitted products. First, it started with the research of some classic methodologies of PDP, the textile industry and its segments and the PDP in the textile industry. After that, the survey was conducted with companies working with knitted products in order to diagnose their PDPs. Then, the results were compared to bibliographical references in order to identify gaps in those practices. Based on the analysis that the conceptual phase is the most critical in practice, a methodology for the development of the conceptual phase was devised, based on Back and co-authors. Subsequently, a computational tool was implemented in order to generate records during all process. To validate the tool, the experiment was conducted simulating design situations. Finally, the participants answered a questionnaire regarding the model and tool performances. The results were positive, indicating that these model and tool are relevant for the development of knitted fabric, increasing assertiveness in its development.
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Lajoie, Patrice. "Cadre méthodologique pour la gestion des opérations manufacturières avec prise en compte de la variabilité intrinsèque en contexte 4.0 : application dans l'industrie textile et l'industrie agroalimentaire." Master's thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/38155.
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Dans le contexte industriel actuel, plusieurs entreprises éprouvent des difficultés à améliorer leur performance, et ce, en raison d’une problématique de variabilité intrinsèque de certains procédés industriels. Cette variabilité peut ainsi provenir de diverses sources, que ce soit au niveau de la matière première, l’environnement du procédé ou le procédé en soi. Dans l’objectif de mieux comprendre et gérer les impacts de cette variabilité intrinsèque, un cadre méthodologique générique et flexible a été développé en se basant sur certains principes et certaines méthodes reconnues de la littérature. Composé de quatre étapes, soit l’analyse de la situation initiale, la modélisation prédictive, la modélisation prescriptive et enfin, une étape d’implantation, ce cadre méthodologique a par la suite été appliqué à deux reprises en entreprise pour des problématiques industrielles réelles. Ainsi, l’application de ce cadre pour un procédé de teinture de tissu aux prises avec une variabilité intrinsèque qui complexifie la standardisation de la couleur finale a permis le développement d’un modèle prédictif présentant une performance de prédiction de 92%, fournissant du même coup beaucoup d’information sur les sources de cette variabilité. Une seconde application du cadre pour un procédé de découpe de fromage a permis à l’entreprise de mieux connaître les variables affectant la performance du procédé. En terminant, malgré certaines limites associées à l’application du cadre telles que des contraintes de temps et une dépendance à la quantité et à la qualité des données utilisées, il a été possible de conclure que le cadre méthodologique répondait aux objectifs initiaux.
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Ma, Ke. "Collaboration inter-organisationnelle pour l'optimisation des chaînes d'approvisionnement en textile." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1I025/document.
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Dans cette recherche doctorale, une enquête approfondie et une revue de la littérature concernant la collaboration de la chaîne d'approvisionnement ont été menées. Plusieurs paradigmes et stratégies émergents de collaboration dans la chaîne d'approvisionnement ont été identifiés, ce qui a fourni une base théorique et une direction de recherche pour mes recherches ultérieures. En conséquence, trois modèles innovants de chaîne d'approvisionnement avec des stratégies d'optimisation correspondantes ont été développés: (1) un nouveau mécanisme de partage des ressources pour optimiser la fabrication des vêtements dans la chaîne d'approvisionnement textile; (2) un système central de traitement des commandes pour l'optimisation de la chaîne d'approvisionnement textile axée sur la demande, et (3) une plate-forme collaborative de services cloud pour l'optimisation de la chaîne d'approvisionnement textile da la fabrication à la commande. Stratégies de collaboration identifiées pour la chaîne d'approvisionnement, à savoir, le partage des ressources, le partage de l'information, la prise de décision conjointe, le partage des bénéfices, ont été utilisés pour développer les trois modèles de collaboration. Des heuristiques d'optimisation ont également été conçues pour différents objectifs dans trois modèles respectivement. Les trois stratégies collaboratives de la chaîne d'approvisionnement proposées ont été réalisées dans trois modèles de simulation en utilisant la technologie de simulation à événements discrets ou la technologie de simulation multi-agents. Plusieurs expériences ont été menées pour démontrer les avantages d'une telle structure collaborative dans différentes conditionsIn this PhD research, a thorough investigation and literature review regarding supply chain collaboration was conducted. Several emerging supply chain collaboration paradigms and strategies were identified, which provided a theoretical foundation and research direction for my subsequent research. Consequently, three innovative supply chain models with corresponding optimization strategies were developed: (1) a novel resource sharing mechanism for optimizing garment manufacturing echelon in textile supply chain, (2) a central order processing system for optimizing demand-driven textile supply chain, and (3) a collaborative cloud service platform for optimizing make-to-order textile supply chain. Identified supply chain collaboration strategies, viz. resource sharing, information sharing, joint decision-making, profit sharing, were employed for developing the three collaborative models. Optimization heuristics were also designed for different objectives in three models respectively. The three proposed supply chain collaboration strategies were realized in three simulation models by employing discrete-event simulation technology or multi-agent simulation technology. Several experiments were conducted to demonstrate the advantages of such collaborative structure under different conditions
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Sundin, Mårten. "Från vaggan till grinden, en livscykelinventering på ett par bomullsbyxor." Thesis, Linköping University, Department of Thematic Studies, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1633.
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Our common future involves many important challenges. People and nature need to improve the relationship in order to reach an ecologically sustainable development. In a society where consumption of products steadily increases, the consumer awareness about social and environmental issues connected to the products becomes an importent factor. More and more companies choose to work more actively with these issues and more and more products get labelled by some of the eco labelling organisations. From the cradle to the gate means that a study has been done on a part of a products life cycle. In this master thesis a pair of cotton trousers has been followed from the cotton field and through the manufacturing chain in order to sees how much resource that are connected to the cultivation and to the production. Methological approach has been Life Cycle Inventory (LCI) according to ISO 14040. The empirical material is collected in South India, in an area known for its intense cotton manufacturing.
Studies like this can be a good way of showing the environmental impacts of a certain product. LCI can for example work as a criterion for eco labelling, but the methodology could also support the overall environmental work in companies.
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Cesar, Iván Cuba Núñez. "Propuesta de mejora para incrementar la disponibilidad de los equipos en el proceso de teñido, a través de un plan de mantenimiento en una empresa textil peruana." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/625854.
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El sector textil y confecciones es uno de los sectores con mayores expectativas de crecimiento sostenible de la industria y uno de los que mayor competencia acumula con otros países del sector internacional. Este sector abarca diferentes tipos de procesos, que van desde tratamiento de fibras, hilatura, tejido y confección. El presente análisis recae sobre la baja disponibilidad que presenta los equipos en el proceso de teñido. Este proceso se mide a partir de los reprocesos que existen debido a que se ejecuta mantenimientos correctivos, el cual afecta la producción en el teñido de telas. Asimismo, se logra evaluar el tiempo promedio entre fallas (MTBF) y el tiempo promedio de reparación (MTTR), lo que indica la variabilidad por debajo del objetivo esperado por la organización.
Por otro lado, en el tercer capítulo se desarrolla le propuesta de mejora a partir del desarrollo del estado del arte del primer capítulo. Para ello se propone la metodología da seguir de acuerdo con una combinación de RCM y TPM. Bajo esta metodología se desarrolla diferentes actividades y estrategias que permitirán detectar equipos críticos e implementar planes de mantenimiento preventivo mecánico y eléctrico. Además, se incluye como parte de este sistema la implementación de un mantenimiento basado en condición (predictivo) y autónomo. Finalmente, el tercer capítulo finaliza con el soporte de la metodología 5 ‘’S’’ y la evaluación económica a partir de la estructura de costos que tiene prevista el proyecto.
Finalmente, en el capítulo cuatro se presenta la validación de la propuesta de mejora a partir de la validación de los resultados en el software Arena. Ello permite concluir que los indicadores MTTR y MTBF ha logrado alcanzar los objetivos presentados en la propuesta.The textile and garment sector is one of the sectors with the highest expectations of sustainable growth in the industry and one of the sectors with the highest competition with other countries in the international sector. This sector covers different types of processes, ranging from fiber treatment, spinning, weaving and confection. The present analysis falls on the low availability that presents the equipment in the process of dyeing. This process is measured from the reprocesses that exist due to the execution of corrective maintenance, which affects the production of fabric dyeing. Likewise, it is possible to evaluate the average time between failures (MTBF) and the average repair time (MTTR), which indicates the variability below the target expected by the organization. On the other hand, in the third chapter the improvement proposal is developed from the development of the state of art of the first chapter. For this, the methodology to be followed is proposed according to a combination of RCM and TPM. Under this methodology, different activities and strategies are developed to detect critical equipment and implement mechanical and electrical preventive maintenance plans. In addition, the implementation of a maintenance based on (predictive) and autonomous condition is included as part of this system. Finally, the third chapter ends with the support of the 5 '' S '' methodology and the economic evaluation based on the cost structure planned by the project. Finally, chapter four presents the validation of the improvement proposal based on the validation of the results in the Arena software. This allows concluding that the MTTR and MTBF indicators have achieved the objectives presented in the proposal.
Tesis
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Weiss, Nathalie. "Contribution à l'analyse thermique et chimique d'un procédé industriel de blanchiment à la continue de tissus coton." Mulhouse, 2001. http://www.theses.fr/2001MULH0678.
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Le traitement de débouillissage - blanchiment a pour but l'élimination des impuretés de la cellulose et la destruction des colorants naturels du coton. Le vaporiseur de prétraitement est une enceinte de vapeur saturante où le tissu entre froid et imprégné des réactifs en solution. Le tissu chauffe jusqu'à ce que sa température atteigne celle de la vapeur saturante et reste dans le réacteur, sans sécher, le temps nécessaire aux réactions. Pour éviter la condensation des gouttes d'eau sur le tissu qui diluent localement les réactifs, le vaporiseur est alimentée en vapeur légèrement surchauffée. La modélisation du comportement du tissu dans la machine montre que le chauffage du tissu este extrêmement rapide (moins d'une seconde). Pendant les 10 à 20 minutes suivantes, le tissu ne peut que sécher. D'où la nécessité de bien concevoir l'aéraulique pour ralentir ce phénomène. La réaction de blanchiment est optimale à pH 10. 5. Des conditions industrielles beaucoup plus alcalines et un très fort excès d'eau oxygénée permettent d'avoir un traitement reproductible. En conclusion, un nouveau mode de régulation du vaporiseur est proposé, il tient compte des risques de séchage dans le réacteurThe scoring and bleaching treatments are used to eliminate impurities present in the cellulosic fibres and to destroy the natural dyes of cotton. The pretreatment steamer in which the cold fabric impregnated with the reactants is fed, contains saturated steam. The fabric is then heated up to the steam's température and is left in the steamer long enough for the chemical réactions to take place without any drying phenomena. To prevent the formation of condensation droplets that would dilute locally the reactants, the steamer is fed with slightly overheated steam. The modélisation of the fabric's then-nal behaviour shows that the heating step is very short (less than a second). During the next 10 to 20 minutes, the fabric can only be drying in the steamer. It is then of the utmost importance to have a good control of the heat and water exchanges during all the process. The optimal conditions for the bleaching reaction are reached for a pH of 10,5. An industriel process in very alkali conditions and with a large excess of hydrogen peroxide ensure a reproducible treatment
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Santis, Sandra Helena da Silva de. "A implantação de sistema de qualidade em uma indústria têxtil de malharia pequeno porte." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/100/100133/tde-05082013-203544/.
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Na última década fenômenos advindos da globalização, dos avanços tecnológicos e de transporte que provocaram mudanças nas operações, nos processos e em gestão impulsionando as indústrias procuram ferramentas de melhoria continua e qualidade. Como resposta surge processos e ferramentas da qualidade no sistema produtivo da empresa introduzindo métodos e estratégias que possibilitem desenvolver essas atividades. Dentro desse contexto é necessário desenvolver um planejamento de melhoria, sugerindo correções e assessorando as tomadas de decisões. Mas, como a empresa Têxtil de pequeno porte pode garantir um sistema de gestão compatível com suas necessidades de controle, utilizando-se de politicas e práticas que assegurarem a qualidade dos produtos? O objetivo da pesquisa é identificar práticas adequadas para implantar um sistema de gestão da qualidade e de usar ferramentas para garantir a melhoria dos processos têxteis, sugerindo novas estratégias metodológicas que contribuam para auxiliar o desenvolvimento em empresas de pequeno porte. Para verificar se os controles da empresa dão suporte para a implantação do sistema de gestão da qualidade foi efetuada avaliação, analisee acompanhamento em todos os setores.In the last decade phenomena arising from globalization, technological advances and transport that caused changes in operations, processes and management tools boosting industries seeking continuous improvement and quality. In response emerges processes and quality tools in the production system of the company introducing methods and develop strategies that enable these activities. Within this context it is necessary to develop a plan for improvement, suggesting corrections and assisting decision making. But as the company Textiles small can ensure a management system compatible with their needs for control, using the policies and practices that ensure the quality of products? The objective of the research is to identify appropriate practices for deploying a system of quality management and use of tools to ensure the improvement of textile processes, suggesting new methodological strategies that contribute to aid development in small businesses. To verify that the controls of the company to support the implementation of quality management system was conducted assessment, analysis and monitoring in all sectors.
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Iaochite, Juliana Cristina. "Apropriação e revalorização do espaço urbano : análise da ocorrência de Brownfields no município de Americana - SP /." Rio Claro : [s.n.], 2005. http://hdl.handle.net/11449/95596.
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Orientador: Silvia Aparecida Guarnieri OrtigozaBanca: Silvana Maria Pintaudi
Banca: Regina Helena Moreira Riani Costa
Este trabalho discute a ocorrência de brownfields no município de Americana - SP, decorrentes da crise da indústria têxtil, refletindo sobre as novas relações produtivas no período de Globalização. Analisa as novas formas espaciais geradas a partir da abertura comercial na década de 1990, onde a competitividade e a conseqüente reestruturação produtiva proporcionaram uma nova relação sócio-espacial. Avalia as possibilidades de revalorização dos brownfields e seus elos com o Desenvolvimento Local.
This work at aims discussing the occur of Brownfield in the Americana - SP Town, resulting from crisis of textile industry, reflecting about new productive relation in the Globalization period. Analyses the new forms spaces to produce with the commercial opening in the decade of 1990, whose the competitive and productive reestruturation to provide a new society-space relation. It values the possibilities of revitalize of Brownfield and your link whit the Local Development.
Mestre
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Maneuvrier-Hervieu, Paul. "La Normandie dans l'économie Atlantique au 18e siècle : production, commerce et crises." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMC032.
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Après les longues années de guerres louis-quatorziennes, le retour de la paix en Europe et sur les mers marque le début d’une nouvelle période dans l’histoire de la Normandie. En l’espace de quelques années, les ports renouent avec la croissance suite à la mise en valeur des colonies et à la reprise des activités commerciales. L’arrivée massive des produits coloniaux et en particulier du « roi coton » entraine de nombreux changements dans les centres urbains et les campagnes où la filature connait une progression fulgurante. Le développement de l’économie atlantique et son importance pour l’économie de la Normandie n’est cependant pas sans conséquence. Même si elle apporte une certaine aisance et permet à de nombreux habitants des campagnes d’assurer leur subsistance quotidienne, elle a dans le même temps scellé le sort d’une partie de la population à l’activité commerciale et aux vicissitudes de l’industrie textile alors en plein essor. À partir d’une analyse quantitative et spatiale, l’objectif de cette thèse, en s’intéressant aux crises et aux émeutes de subsistances, est d’étudier les conséquences de l’intégration de la Normandie à l’économie atlantique. Au-delà d’un réexamen des crises qui éclatent entre la paix d’Utrecht et la guerre d’Indépendance américaine, cette recherche s’articule autour de deux périodes emblématiques marquées par d’importantes transformations. La première est celle engendrée par la signature en 1786 du traité de commerce dit d’Eden-Rayneval entre la France et l’Angleterre qui met un terme à la politique mercantiliste en vigueur depuis 1713. La seconde est celle de la crise provoquée par la révolution française, la révolte des esclaves de Saint-Domingue en 1791, et le retour de la guerre sur les mers en 1793After the long years of the Louis XIV’s wars, the return of peace in Europe and on the seas represented the beginning of a new era in the history of Normandy. Within a few years, ports were back on the road to growth thanks to thedevelopment of the colonies and the resumption of commercial activities. The massive arrival of colonial products and in particular of the "cotton king", brought about many changes in urban centres and countryside where spinning was booming. The development of the Atlantic economy and its importance for the Norman economy was, however,not without consequences. Even if it brought a certain ease and enabled many rural inhabitants to ensure their daily subsistence, it sealed at the same time the fate of a part of the population to the commercial activities and the vicissitudes of the textile industry, which was rapidly expanding. This dissertation relies on a quantitative and spatial analysis, with a focus on crises and subsistence riots, to study the consequences of the integration of Normandy in the Atlantic economy. Beyond a re-examination of the crisis that erupted between the Peace of Utrecht and the American War of Independence, this research focuses on two emblematic periods marked by major transformations. The signature in 1786 of the so-called Eden-Rayneval trade treaty between France and England, which put an end to the mercantilist policy in force since 1713, marked the beginning of the first period. The second is that of the crisis caused by the French Revolution, the revolt of the slaves in Saint-Domingue in 1791, and the return of the war on the seas in 1793
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Iaochite, Juliana Cristina [UNESP]. "Apropriação e revalorização do espaço urbano: análise da ocorrência de Brownfields no município de Americana - SP." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/95596.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Este trabalho discute a ocorrência de brownfields no município de Americana - SP, decorrentes da crise da indústria têxtil, refletindo sobre as novas relações produtivas no período de Globalização. Analisa as novas formas espaciais geradas a partir da abertura comercial na década de 1990, onde a competitividade e a conseqüente reestruturação produtiva proporcionaram uma nova relação sócio-espacial. Avalia as possibilidades de revalorização dos brownfields e seus elos com o Desenvolvimento Local.
This work at aims discussing the occur of Brownfield in the Americana - SP Town, resulting from crisis of textile industry, reflecting about new productive relation in the Globalization period. Analyses the new forms spaces to produce with the commercial opening in the decade of 1990, whose the competitive and productive reestruturation to provide a new society-space relation. It values the possibilities of revitalize of Brownfield and your link whit the Local Development.
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Åker, Zeander Jonas. "Från Bomull till Byxor Livscykel Inventering och Ansvarsfullt Företagande En MFS i Södra Indien." Thesis, Linköping University, Department of Thematic Studies, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1634.
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A growing number of companies realise that to achieve their environmental goals and satisfy stakeholder expectations, they need to look beyond their own facilities and to involve their suppliers in environmental initiatives. A life cycle approach means that the production system should be optimised as whole, across national boarders and individual organisations taking part all the way from extraction to disposal. This study is a Life Cycle Inventory of resources used when producing a piece of cotton garment and the method is based on the standardisation series of ISO 14040-43. The area of study, Tamil Nadu the most southern state of India, accounts for more than 90% of India’s knitwear exports to Western Europe. The main conclusion is that the Life Cycle Inventory could bean appropriate method to be used within the textile industry but the main advantage may not be in solving problems but instead framing them in a distinctive way and making people aware of them. An approach that combines life cycle and sustainability concepts could be a way towards enhanced corporate responsibility.
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Camargo, Victor Claudio Bento de. "Otimização de processos na indústria têxtil: modelos e métodos de solução." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-30112012-142043/.
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As decisões operacionais de produção em uma indústria de fiação são planejadas na prática determinando soluções dos sub-problemas de dimensionamento e sequenciamento de lotes e da mistura de fardos de algodão. As tarefas são: definir o tamanho, a sequência, o tempo e alocação de cada lote de produção e quais fardos de algodão devem ser utilizados na produção. Por si só, os sub-problemas representam grandes desafios no planejamento da produção. Entretanto, para melhor representar o ambiente produtivo e alcançar custos de produção mais baixos, indústrias de processo, como as de fiação, procuram integrar mais e mais seus sub-problemas de planejamento. O objetivo dessa tese é apresentar modelos matemáticos e métodos de solução para auxiliar a tomada de decisão no nível operacional do planejamento da produção. Três formulações matemáticas para o dimensionamento e sequenciamento de lotes em um sistema de dois estágios com produção sincronizada são propostas. Um novo método baseado em programação matemática e metaheurísticas e também desenvolvida para a solucão desse sub-problema. Além disso, a integração das decisões relativas a matéria-prima (fardos de algodão) ao dimensionamento e sequenciamento de lotes é analisada. As novas formulações propostas representam de forma mais realista o problema de dimensionamento e sequenciamento de lotes da indústria de fiação e de indústrias de processo com ambiente produtivo similares. O método de solução encontra boas soluções para o problema e supera outros méodos similares presentes em softwares comerciais. Além disso, o método é geral o suficiente para a solução de outros problemas de otimização. O problema integrado de dimensionamento e sequenciamento de lotes e mistura comprovou que restrições relativas à qualidade dos fios influenciam os custos e viabilidade do planejamento da produção. O planejamento integrado dessas óperações trata o sistema considerando restrições que se relacionam, definindo planos de produção mais realistasIn the practice of a spinning industry, the operational decisions of the production planning are determined by the hierarchical solution of the lot-sizing and scheduling problem and the blending problem of the cotton bales. The tasks are: to define the size, sequence, timing and allocation of each production lot and to select which cotton bales are used for production. Each of these problems represents a large challenge in planning the production. However, in order to better represent the production environment and to reach lower production costs, process industries (as the spinning industry) are integrating more and more of the production sub-problems into the planning. The aim of this thesis is to propose novel mathematical models and solution methods to assist the decision maker to plan the production at the operational level. Three formulations for the synchronized two-stage lot sizing and scheduling are proposed. A new method based on mathematical programming and metaheuristics is also developed to solve this sub-problem. In addition, the integration of the lot sizing and scheduling with decisions related to the raw materials (cotton bales) is analyzed. The novel models represent a more realistic lot sizing and scheduling for the spinning industry and process industries of similar production environment. The solution method finds good solutions to the mentioned problem and outperforms other state-of-the-art methods incorporated in commercial softwares. Moreover, the method is general enough to solve other optimization problems. The integrated lot-sizing, scheduling and blending prove that constraints related to the yarn quality influence the costs and the feasibility of the production planning. The integrated planning of these operations approaches the system considering the constraint relationship and defines more realistic production plans
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Alves, Patrícia Lima. "Reestruturação produtiva e os trabalhadores : um olhar atual sobre o setor têxtil em Sergipe." Universidade Federal de Sergipe, 2010. https://ri.ufs.br/handle/riufs/4542.
Full textAbstract:
This research has as objective generality to identify the consequences of the productive reorganization in the industrial process and the relations of work in the têxteis industries in Sergipe in face of technological and organizacionais the changes, having as objective specific
to raise the profile of these companies, in the last few decades to verify the main organizacionais changes lived by the industries and the vision of the workers on this process
of innovations occurred in the interior of the plants. As well as presenting suggestions that can contribute for improvement in the relation used master and in Sergipe. Here an analysis will be seen criticizes on productive reorganization in Brazil and the consequences for the Brazilian diligent classroom. Also it will be argued as reflected of the productive
reorganization in the process and in the work relations the most serious consequences face of adopted the technological and organizacionais changes in Brazil had become in the last few decades. Finally, the results of the collected data and its had interpretations and carried through the final considerações will be presented, where the empirical and theoretical data about the organizacionais changes and relation of work will be argued, beyond being presented suggestions and you criticize to the system of the job and work in Brazil.Esta pesquisa tem como objetivo geral identificar os reflexos da reestruturação produtiva no processo industrial e nas relações de trabalho nas indústrias têxteis em Sergipe em face das mudanças tecnológicas e organizacionais, tendo como objetivos específicos levantar o perfil dessas empresas, verificar as principais mudanças organizacionais vividas pelas indústrias e a visão dos trabalhadores sobre esse processo de inovações ocorrido no interior das fábricas nas últimas décadas. Bem como apresentar sugestões que possam contribuir para melhoria na relação patrão e empregado em Sergipe. Aqui será vista uma análise critica sobre reestruturação produtiva no Brasil e as conseqüências para a classe trabalhadora brasileira. Também será discutido como reflexos da reestruturação produtiva no processo e nas relações de trabalho tornaram-se as conseqüências mais sérias em face das mudanças tecnológicas e organizacionais adotadas nas últimas décadas no Brasil. Por fim, serão apresentados os resultados dos dados coletados e as suas devidas interpretações e realizadas as considerações finais, em que os dados empíricos e teóricos acerca das mudanças organizacionais e relação de trabalho serão discutidos.
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Kang, Shin Il. "Information and its effects on location and scale : an application to the textile industry." Connect to resource, 1986. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=osu1265293794.
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Meehan, Colette. "Biotreatment of textile industry wastewater." Thesis, University of Ulster, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.232842.
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Nascimento, Ricardo Brito do. "Arranjos produtivos locais e desenvolvimento: uma análise do setor têxtil-vestuário no Estado do Rio de Janeiro." Universidade Federal de Uberlândia, 2006. https://repositorio.ufu.br/handle/123456789/13603.
Full textAbstract:
The present work aims at to investigate the importance of the local productive arrangements
of the textile and clothing sector to conceive employment generation, productive units and
average remuneration to the towns of Petrópolis, Nova Friburgo and Cabo Frio, all of them
located in the State of Rio de Janeiro, from the period of 1995 to 2004. The hypothesis that
guides this work is that the local productive arrangements contribute for the growth and local
development of form to increase the employment and the income and to reduce the local
poverty. For this purpose, it was used the data from RAIS/MTE. The decision of studying
textile and clothing sector is due to this sector is important to State of Rio de Janeiro,
regarding the creation of employment. In spite of the crisis that it went though, the sector
during the commercial opening of the decade of 1990, it still has important representation
nowadays in the creation of employments, for the state transformation industry. For the
research of local productive arrangements, that highlights the importance of the geographic
proximity among the small and medium size companies to overcome the common production
difficulties by the interaction and cooperation, it will be used, in the first chapter, the analyticteorical
statement that deal with the evolutionist approach about the national and local system
of innovation. The second one will contain the characterization of the local productive
arrangements of the towns by means of employment relative data, establishment and
remuneration and of recent research that has identified the interactions among the agents of
the arrangements. The third one will compare the regions that are in the arrangements to
bigger regions as the micro region, the state and the country; to identify possible productive
gargles in the chain of the arrangements; to investigate the existence of arrangements
impacts upon other sectors in the towns and the expansion of the activities of the
arrangements for the close regions to the towns and to verify the evolution of the
remuneration in the arrangements during the period in question. The last one will present the
conclusions of the work.O presente trabalho visa investigar a importância dos arranjos produtivos locais do setor têxtil-vestuário na geração de emprego, unidades produtivas e remuneração média para os municípios de Petrópolis, Nova Friburgo e Cabo frio, todos localizados no Estado do Rio de Janeiro, durante o período de 1995 a 2004. A hipótese que norteia este trabalho é que os arranjos produtivos locais contribuem para o crescimento e desenvolvimento local de forma a aumentar o emprego e a renda e reduzir a pobreza local. Para este propósito, utilizou-se os dados da RAIS/MTE. A decisão de estudar o setor têxtil-vestuário deve-se ao fato deste setor ser relevante para o Estado do Rio de Janeiro, no que corresponde à geração de emprego. Apesar da crise pela qual passou o setor durante a abertura comercial da década de 1990, ele ainda hoje possui representatividade relevante na geração de empregos para a indústria de transformação do estado. Para o estudo de arranjos produtivos locais, que destaca a importância da proximidade geográfica entre as empresas de pequeno e médio porte para superar as dificuldades comuns de produção por meio de interação e cooperação, será utilizada, no primeiro capítulo, o referencial teórico-analítico que trata da abordagem evolucionista sobre sistema nacional e local de inovação. O segundo capítulo conterá a caracterização dos arranjos produtivos locais dos municípios por meio de dados relativos ao emprego, estabelecimento e remuneração e de recentes pesquisas que identificaram as interações entre os agentes dos arranjos. O terceiro capítulo terá como objetivo comparar as regiões em que estão inseridos os arranjos com regiões maiores como a microrregião, o estado e o país; identificar possíveis gargalos produtivos na cadeia dos arranjos; investigar a existência de impactos dos arranjos sobre outros setores nos municípios e a expansão das atividades dos arranjos para regiões vizinhas aos seus municípios e verificar a evolução da remuneração nos arranjos durante o período em questão. O último capítulo apresentará as conclusões do trabalho.
Mestre em Economia
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Aggrey, A. B. "The role of the textile designer in the British textile industry." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370185.
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Torstensson, Rebecka. "A new player in the accelerating textile industry : upcycled textile products." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20719.
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Today, textile products are designed with a “built-in obsolescence” to only last for a shorttime. The intention of this is to allow or even to encourage the customer to get rid of it assoon as possible and buy a new item. This has led to the discussed matter of increase indemand and hence overconsumption of textiles causing a lack of raw materials. Upcycling oftextile materials is a possible solution to this problem, where textile waste is re-used to makea new product. The purpose of this thesis is to view the penetrating power of upcycling oftextile materials and to define the potential of solely selling upcycled textile products. Up-todatetheoretical data has been collected together with three qualitative interviews withretailers and a manufacturer, all selling upcycled textile products. The potential of solelyselling upcycled textile products lies in the mind of the consumer and the dedication of thevendor. The younger generation makes a challenging potential and the emotional attachmentto the products generated by story telling and surprising factors contribute to this potential.The fact that the textile industry is facing severe challenges is also seen as a potential to covernew and substantial market shares.Textila produkter designas idag med ett inbyggt föråldrande med en kort livstid som syfte.Avsikten med detta är att tillåta eller till och med uppmuntra kunden att tröttna och göra sigav med produkten så snart som möjligt för att därefter köpa en ny. Den här processen harresulterat i det diskuterade ämnet om efterfrågeökning och överkonsumtion av textilier, sominnebär en råvarubrist i textilindustrin. Förädling (upcycling) av textila material är en möjliglösning till det här problemet, då textilavfall återanvänds och görs till en ny produkt. Syftetmed den här uppsatsen är att studera genomslagskraften upcycling av textila material har ochatt genom det kunna definiera vad det finns för potential att enbart sälja upcyclade textilaprodukter. Aktuell teoretisk information har samlats in tillsammans med tre kvalitativaintervjuer med två återförsäljare och en producent av upcyclade textila produkter. Utsikterna iatt enbart sälja upcyclade textila produkter ligger i kundens sinne och hos säljarens hängivelsetill fenomenet. Den yngre generationen utgör en utmanande potentiell målgrupp, och denkänslomässiga relationen till produkten som erhålls genom att förmedla historien bakomprodukten samt produktens överraskningsförmåga innebär möjligheter. Det faktum atttextilindustrin står inför allvarliga utmaningar ses också som en möjlighet att täcka nya ochomfattande marknadsandelar.Program: Textilekonomutbildningen
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Chan, Chi-tak. "The exploration of fabric trading format in textile industry /." [Hong Kong] : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13788000.
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Hollows, Judith Mary. "The cotton spinning industry within East Asian Business systems : firm development in Japan, South Korea, and Hong Kong /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17491460.
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