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Mummareddy, Bhargavi. "Additive Manufacturing Processes for High-Performance Ceramics: Manufacturing - Mechanical and Thermal property Relationship." Youngstown State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1629131959379597.
Повний текст джерела
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Kbrom, Berhane Abraham. "The relationship between organizational culture and competitive intelligence performance in the context of Eritrean trade and manufacturing industries." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50178.
Повний текст джерелаАнотація:
Thesis (MPhil)--Stellenbosch University, 2004.ENGLISH ABSTRACT: In our contemporary globalized world, Eritrean enterprises are challenged with high competition from within and from foreign counterparts. Consequently, only those companies that predict the future and take proactive decisions can win the game. However, none of these organizations have applied formal competitive intelligence practice in a proactive, disciplined, and systematic fashion to defend against threats as well as to exploit opportunities, though informally they do engage in the practice. Some of these informal competitive intelligence practicing companies are relatively 'good performers' and others are 'poor performers'. The level of this competitive intelligence performance is believed to be influenced by organizational culture. This implies that employees who are encouraged and trained to have shared values, beliefs, norms and practices are in a better position to share information and interact with each other with open minds. Here, the free flow of information is the basic ingredient that helps to produce effective competitive intelligence. In an attempt to explore if a statistically significant relationship exists between organizational culture and competitive intelligence performance, a literature study was first carried out to learn from other scholars' work. The literature review was then followed by an empirical study. This empirical part of the study attempted to investigate if Eritrean manufacturers and traders perform informal competitive intelligence practice as well as if there is a positive relationship between the independent and dependent variables. Data was collected through a questionnaire from top level managers. Of the 39 questionnaires distributed, 23 organizations properly completed the questionnaire. Statistical analysis was then computed using the SPSS package to determine the correlations. The relationship between organizational culture and competitive intelligence was determined in two ways: first, it was correlated in terms of the six selected organizational culture dimensions (employee involvement, human resources, organizational focus, communication flow, reward, and trust) and competitive intelligence; and second, in terms of scores of each firm's organizational culture and competitive intelligence. Moreover, the level of the score determined whether these companies performed well or not. In both cases a positive relationship was found between organizational culture and competitive intelligence performance. These results supported the hypothesis that organizational culture does contribute to improved competitive intelligence practice. Furthermore, the finding suggests that Eritrean firms are doing moderately good in their informal competitive intelligence.
AFRIKAANSE OPSOMMING: In ons huidige globaliseerde wêreld kry Eritrea se ondernemings te doen met sterk kompetisie van binne en van buite die land. Dus floreer net daardie ondermemings wat die toekoms kan voorspel en pro-aktiewe besluite kan neem. Dit is egter waar dat nie een van hierdie organisasies formele, kompeterende intelligensiepraktyke op 'n pro-aktiewe, gedisiplineerde en sistematiese wyse toegepas het om hulself teen dreigemente te beskerm en om geleenthede uit te buit nie; informeel het hulle wel. Sommige van hierdie maatskappye wat informeel kompeterende intelligensie toepas, is betreklike 'goeie presteerders' en ander is 'swak presteerders'. Daar word geglo dat die prestasievlak van hierdie kompeterende intelligensie beïnvloed word deur organisatoriese kultuur. Die implikasie is dat werknemers wat aangemoedig en opgelei is om aan dieselfde dinge te glo en wat dieselfde waardes, norme en praktyke deel, in 'n beter posisie is om inligting te deel en met 'n ope gemoed met mekaar om te gaan. Die vrye vloei van inligting is die basiese bestanddeel wat help om doeltreffende kompeterende intelligensie te produseer. Met die doel om na te vors of daar 'n statisties sinvolle verhouding bestaan tussen organisatoriese kultuur en kompeterende intelligensie, is daar eers 'n literatuurstudie gedoen om uit ander se werk te leer. Na die literatuuroorsig is daar 'n empiriese studie gedoen. Die empiriese deel van die studie poog om na te vors of die vervaardigers en handelaars informele kompeterende intelligensie toepas en ook of daar 'n positiewe verhouding bestaan tussen die onafhanklike en afhanklike veranderlikes. Data is versamel deur middel van 'n vraelys aan hoëvlak bestuurders. Nege-en-dertig vraelyste is uitgestuur waarvan 23 volledig deur die organisasies ingevul is. Statistiese ontleding is toe gedoen om deur middel van die statistiese pakket SPSS die korrelasies te bepaal. Die verhouding tussen organisatoriese kultuur en kompeterende intelligensie is op twee maniere bepaal: dit is eers gekorreleer in terme van die ses geselekteerde organisatoriese kultuurdimensies (werknemer betrokkenheid, menslike hulpbronne, organisatoriese fokus, kommunikasievloei., beloning en vertroue) en kompeterende intelligensie; en tweedens in terme van tellings van elke maatskappy se organisatoriese kultuur en kompeterende intelligensie. Die vlak van die telling het bepaal of die maatskappy goed presteer het of nie. In albei gevalle is daar gevind dat daar 'n positiewe verhouding bestaan tussen organisatoriese kultuur en prestasie in kompeterende intelligensie. Hierdie bevindinge ondersteun die hipotese dat organisatoriese kultuur wel bydra tot verbeterde intelligensiepraktyke. Verder bewys dit dat ondernemings in Eritrea redelik goed vaar in informele kompeterende intelligensie.
3
Selby, Mark. "Experiential manufacturing : designing meaningful relationships between people, data and things." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/43534/.
Повний текст джерелаАнотація:
This thesis presents a practice-led research investigation into ways of designing more experiential and evocative interactions with data that relates to our experiences whereby less explicit, more intrinsic and aesthetic relationships are made between people, objects and data. I argue that the utilitarian values and instrumental approach behind the design of most systems that mediate our personal autobiographical data, while important, are not appropriate for more emotional forms of remembering. Therefore, systems are needed that cater specifically to modes of remembering such as reminiscence and reflection. By learning from our material encounters with memory, there are rich opportunities for design to uncover the latent values that might exist in biographical data. To articulate the design rationale of the thesis, I describe two existing design projects: the Digital Slide Viewer and Photobox. These provide some design principles that offer guidance in making memory data physical so as to encourage meaningful material practices, and ways that interactions might be designed to promote reflection. After exploratory interviews to gather insight into the ways people associate meaning with objects a set of designed provocations were produced. The Poker Chip sought to understand the ways that the material form of an object connects to its meaning, while The Bowl investigates how the actions we might use to make these meaningful objects might in themselves be meaningful. The final designed provocation takes ideas from its predecessors, and puts them into practice with a data driven system. By responding to live data from real earthquakes, the Earthquake Shelf creates a tangible rendition that, by damaging objects, leaves behind material evidence of a remote event. During a long-term field deployment, connection between the objects on the shelf and the participant’s memories proved illusive, but the shelf itself provided a viscerally real connection to a past experience. The outcome of this thesis then is to articulate Experiential Manufacturing; a position on the design of technologies intended to mediate more emotional forms of memory, such that they can create more compelling relations between data, people, and things. It does this by first opening and exploring a design space based on alternative values for designing technologies of reminiscence that mediate our life experiences. By prioritizing the aesthetic elements of the experiences, rather than focusing on the data that describes it, this thesis explores the potential of material, liveness and slowness to create systems that mediate our experience data in more evocative and emotionally valuable ways. It then presents this position as a set of thematic values, or Strong Concepts at the heart of Experiential Manufacturing.
4
Myers, Kyle M. "Structure-Property Relationship of Binder Jetted Fused Silica Preforms to Manufacture Ceramic-Metallic Interpenetrating Phase Composites." Youngstown State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1464089607.
Повний текст джерела
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Temtime, Zelealem Tadesse. "Relationship between Working Capital Management, Policies, and Profitability of Small Manufacturing Firms." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2105.
Повний текст джерелаАнотація:
Working capital optimization, as an act of balancing liquidity and profitability, presents significant challenges when small businesses lack managerial expertise and access to affordable capital and credit facilities. To remain successful through efficient utilization of working capital, small business leaders need to understand the association between working capital management (WCM), working capital policy (WCP), and business profitability (PFT). Anchored in the cash conversion cycle theory, the purpose of this correlational study was to examine the relationship between WCM, WCP, and PFT. The study employed a retrospective secondary analysis of financial data from 2004 to 2013 from a random sample of 176 publicly traded small U.S. manufacturing companies. The regression results incorporating 3 models were significant in predicting profitability in terms of gross operating profit (GOP), return on asset (ROA), and Tobin's q (TBQ). The regression results showed that WCM and WCP were significant predictors of GOP, F (5, 170) = 8.580, p < .000, R2 = .201; ROA, F (5, 170) = 4.079, p < .002, R2 = .107; and TBQ, F (5, 170) = 6.231, p < .000, R2 = .155. The overall result confirmed that WCM and WCP predicted PFT significantly (p < .05). Small business leaders may incorporate working capital optimization practices into overall corporate strategy, thereby aligning working capital needs with the changing business requirements. The implications for positive social change included the potential to provide small business leaders with knowledge of WCM and WCP as drivers of PFT. Profitable businesses may provide employees and communities with better jobs; stock ownership; and development infrastructures such as road, healthcare, and educational facilities.
6
Michail, Antonios. "An investigation of the relationship between value chain activities and generic strategies in small and medium-sized enterprises in UK manufacturing." Thesis, University of Central Lancashire, 2011. http://clok.uclan.ac.uk/3873/.
Повний текст джерелаАнотація:
In this study an in depth investigation of successful competitive strategies for small to medium-sized enterprises (SMEs) is undertaken. The overall aim of this study is to analyse the strategic orientation of UK Manufacturing SMEs. In the process, it will test Porter’s (1980, 1985) theoretical framework of generic strategies and thus evaluate firms’ preferred strategic synthesis. It will, therefore, test the efficacy of the value chain and develop any specific pattern that relates to a combination strategy. The investigation of the above objectives is undertaken utilising a mixed research methodology with the purpose of examining the applicability of existing competitive strategy frameworks (phase 1) and testing a new theoretical framework that incorporates additional dimensions of strategy (phase 2). During phase 1, Porter’s framework is employed to investigate SMEs’ strategic orientation as a means to achieve sustainable competitive advantage. A semi-structured questionnaire is employed and the analysis is carried out by means of factor and cluster analysis to identify strategic variables currently employed by SMEs. During phase 2, the theoretical framework is operationalised to bridge the gap within the literature and existing empirical research. Its purpose is to identify forms of successful competitive strategies of UK MSMEs as they are formulated and implemented in firms’ value chain activities. The data was collected through a number of semi-structured interviews and the analysis was based on data categorisation. The findings indicate that Porter’s (1980) single generic strategies are not the best option for UK MSMEs for gaining competitive advantage and that the
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Pietrobon, Alberto, and Abraham Bamidele Sunday Ogunmakinwa. "Business Intelligence and Customer Relationship Management: a Direct Support to Product Development Teams." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Informatik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-15473.
Повний текст джерелаАнотація:
For manufacturing firms, having knowledge about customers is very important, in particular for the developers and designers of new products. A way in which software can help to build an information channel between the customers and the firm is through Customer Relationship Management (CRM) and Business Intelligence (BI) solutions. Customers’ data are captured into the Customer Relationship Management solution while Business Intelligence analyses them and provide clear processed information to the developers and designers of new products. In this study we have researched if this process occurs in the industry, if and how it can be improved and what advantages it could bring to manufacturing firms. We have carried out the data collection by interviewing experts in four companies, three software companies that provide Business Intelligence solutions and one manufacturing firm. We found out that those software solutions are not used to directly connect developers and designers to customers’ data, and that there are no specific technical obstacles that prevents this, if not managerial reasons rooted in everyday practice. We also uncovered facts that would help to make this process more efficient and make customers’ data even more relevant to development.
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Jones, DeLariah Katherlene. "The Challenges of Cultural Business Relationships Within Manufacturing." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2491.
Повний текст джерелаАнотація:
Manufacturing leaders seek strategies to improve cross-cultural business relationships because of the increasing demand for outsourcing, which requires strong partnerships among manufacturing supply chain members. The purpose of this qualitative single case study was to explore successful strategies that manufacturing business leaders use to improve cross-cultural business relationships within their manufacturing supply chain. The targeted population included business leaders, fluent in English, within 1 company located at 2 different manufacturing sites in the Midwest region of the United States and the Northeast region of Mexico. The capability-based view theory was used to support knowledge sharing, trust, and strategic management. Methodological triangulation of the data from interviews, direct observations during site visits, and production documentation led to 4 themes. The 4 themes that emerged from thematic analysis were: information sharing, which was key to form a strong partnerships between the 2 manufacturing sites; the development of common business tools, which facilitates the development of common technical language that both sites understood and could translate into common expectations; training of business tools and processes, which expands knowledge sharing and best practices among the 2 sites; and understanding differences of people rather than culture. The implication for positive social change includes the potential to provide strategies to business leaders within various manufacturing industries on how to overcome the challenges of trust, information sharing, and resource management and provide successful cross-cultural business relationships and profitability.
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Ушенко, Поліна Анатоліївна. "Становлення та функціонування Харківського науково-виробничого комплексу кондиціонеробудування (початок 30-х рр. – початок 90-х рр. ХХ ст.)". Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17184.
Повний текст джерелаАнотація:
Дисертація на здобуття наукового ступеня кандидата історичних наук за спеціальністю 07.00.07 – історія науки і техніки. – Національний технічний університет "Харківський політехнічний інститут" – Харків, 2015. У роботі проведено дослідження становлення та функціонування Харківського науково-виробничого комплексу кондиціонеробудування з поч. 30-х рр. – до поч. 90-х рр. ХХ ст., сформованого завдяки співпраці двох провідних установ галузі – ХЗ "Кондиціонер" та ВНДІКондиціонер. Здійснено широкий історіографічний та джерелознавчий аналіз, а також запропоновано класифікацію наукової літератури та історичних джерел. Доведено значущість науково-технічних витоків галузі як історичної передумови становлення кондиціонеробудування. Узагальнено доробок окремих учених зі всього світу. Обґрунтовано авторську періодизацію розвитку галузі, що складається з чотирьох періодів: перший (поч. 1930 рр. – 1957 р.), другий (1957–1967 рр.), найбільш результативний третій (1967 р. – поч. 1990-х рр.), четвертий період охоплював події після 1991 р. Розкрито особливість підготовки інженерних кадрів у Харкові для галузі кондиціонеробудування. Узагальнено досвід підвищення кваліфікації працівників безпосередньо в межах ХЗ "Кондиціонер". Висвітлено непослідовність державного управління кондиціонеробудуванням, що призвела до згортання виробництва кондиціонерів у Харкові на поч. 90-х рр. ХХ ст. Проте, незважаючи на серйозні ускладнення того часу, промислове виробництво кондиціонерів повітря в Харкові збереглося, і прямим спадкоємцем виробничого центру кондиціонеробудування сьогодні є ТОВ "Укркондиціонер".Thesis for the Candidate of Historical Sciences degree, speciality 07.00.07 – History of Science and Technology. – National Technical University "Kharkiv Polytechnic Institute" – Kharkiv, 2015. The formation and effective functioning of the Kharkiv scientific-industrial conditioner building complex, formed through the cooperation of two leading sectoral institutions – Kharkiv plant "Conditioner" and All-Union Scientific Research Institute "Conditioner", in the early 1930's – in the beginning of the 1990's, were studied in the paper. Wide historiographical and sources study analysis are done. The importance of science and technology beginnings as a historical background of the industry formation, is proved. Achievements of individual scientists from around the world are generalized. The author periodization of industry development, which consisted of four periods, is grounded. In particular, the first (early 1930 – 1957 year), the second (1957 – 1967 years), the third (1967 – the beginning of the 1990's). The fourth period covered the events after 1991. The feature of engineers training in Kharkiv for conditioner building branch is disclosed. Inconsistency of conditioner building industry state administration, which led to the curtailment of air conditioners production in Kharkiv at the beginning of the 1990's of the XX century, is highlighted. However, despite the serious complications of that time, manufacturing of air conditioners in Kharkiv survived, and the direct heir of the production center of conditioner building industry today is LLC "UkrConditioner".
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Ушенко, Поліна Анатоліївна. "Становлення та функціонування Харківського науково-виробничого комплексу кондиціонеробудування (початок 30-х рр. – початок 90-х рр. ХХ ст.)". Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17182.
Повний текст джерелаАнотація:
Дисертація на здобуття наукового ступеня кандидата історичних наук за спеціальністю 07.00.07 – історія науки і техніки. – Національний технічний університет "Харківський політехнічний інститут" – Харків, 2015.
У роботі проведено дослідження становлення та функціонування Харківського науково-виробничого комплексу кондиціонеробудування з поч. 30-х рр. – до поч. 90-х рр. ХХ ст., сформованого завдяки співпраці двох провідних установ галузі – ХЗ "Кондиціонер" та ВНДІКондиціонер. Здійснено широкий історіографічний та джерелознавчий аналіз, а також запропоновано класифікацію наукової літератури та історичних джерел. Доведено значущість науково-технічних витоків галузі як історичної передумови становлення кондиціонеробудування. Узагальнено доробок окремих учених зі всього світу. Обґрунтовано авторську періодизацію розвитку галузі, що складається з чотирьох періодів: перший (поч. 1930 рр. – 1957 р.), другий (1957–1967 рр.), найбільш результативний третій (1967 р. – поч. 1990-х рр.), четвертий період охоплював події після 1991 р. Розкрито особливість підготовки інженерних кадрів у Харкові для галузі кондиціонеробудування. Узагальнено досвід підвищення кваліфікації працівників безпосередньо в межах ХЗ "Кондиціонер". Висвітлено непослідовність державного управління кондиціонеробудуванням, що призвела до згортання виробництва кондиціонерів у Харкові на поч. 90-х рр. ХХ ст. Проте, незважаючи на серйозні ускладнення того часу, промислове виробництво кондиціонерів повітря в Харкові збереглося, і прямим спадкоємцем виробничого центру кондиціонеробудування сьогодні є ТОВ "Укркондиціонер".Thesis for the Candidate of Historical Sciences degree, speciality 07.00.07 – History of Science and Technology. – National Technical University "Kharkiv Polytechnic Institute" – Kharkiv, 2015. The formation and effective functioning of the Kharkiv scientific-industrial conditioner building complex, formed through the cooperation of two leading sectoral institutions – Kharkiv plant "Conditioner" and All-Union Scientific Research Institute "Conditioner", in the early 1930's – in the beginning of the 1990's, were studied in the paper. Wide historiographical and sources study analysis are done. The importance of science and technology beginnings as a historical background of the industry formation, is proved. Achievements of individual scientists from around the world are generalized. The author periodization of industry development, which consisted of four periods, is grounded. In particular, the first (early 1930 – 1957 year), the second (1957 – 1967 years), the third (1967 – the beginning of the 1990's). The fourth period covered the events after 1991. The feature of engineers training in Kharkiv for conditioner building branch is disclosed. Inconsistency of conditioner building industry state administration, which led to the curtailment of air conditioners production in Kharkiv at the beginning of the 1990's of the XX century, is highlighted. However, despite the serious complications of that time, manufacturing of air conditioners in Kharkiv survived, and the direct heir of the production center of conditioner building industry today is LLC "UkrConditioner".
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Jain, Tanmay. "Design, Characterization, and Structure - Property Relationships of Multifunctional Polyesters for Extrusion-Based Direct-Write 3D Printing." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1586874036561737.
Повний текст джерела
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Popovic, Djordje. "Off-site manufacturing systems development in timber house building : Towards mass customization-oriented manufacturing." Licentiate thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Logistik och verksamhetsledning, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-38611.
Повний текст джерелаАнотація:
The need for housing in Sweden has been showing a constant increase over the past couple of years. However, this situation might change in 2018 since there are indications that the increase in demand will reach its peak. On the other hand, the use of timber as a load bearing structure has become more popular in the multi-family house building sector. It is competing with concrete and steel frames, and its market share might even reach 50% by the year of 2025. Adding the involvement of customers in house design decisions and a high level of customization, the conclusion is that timber house building must continue the development towards mass customization. There is a lack of knowledge on how mass customization is developed and implemented regarding off-site manufacturing systems. In this thesis, a contribution is made to manufacturing system development in timber house building by proposing a novel approach to aligning off-site manufacturing systems to the requirements of production strategy, market needs, product design, and manufacturing processes. The proposed conceptual framework is a synthesis of the knowledge gained from three empirical studies and different methods found in theories of changeable manufacturing systems, mass customization, and manufacturing system development. The research purpose addressed by the presented work, is to increase the knowledge on how the development potential of off-site manufacturing systems can be identified in mass customization-oriented timber house building. Case study research was applied to gather the empirical data. The data collection and analysis methods used in the empirical studies can be useful when discussing the potential improvements. However, these data are not comprehensive enough in terms of presenting a holistic view of off-site manufacturing and consideration of the market as well as variation in product and processes. Therefore, a comprehensive set of requirements is proposed in the conceptual framework together with a step by step description of how the development potential of off-site manufacturing systems can be identified.Behovet av bostäder i Sverige har ständigt ökat under de senaste åren. Denna situation kan dock förändras 2018, eftersom det finns tecken på att ökningen av efterfrågan kommer att nå sin topp. Å andra sidan har användningen av trä som lastbärande konstruktion blivit mer populär i flerfamiljshusbyggnaden. Det konkurrerar med betong- och stålstomme och dess marknadsandel kan till och med nå 50% år 2025. Att lägga kundernas medverkan i husdesignbeslut och en hög anpassningsnivå är slutsatsen att trähusbyggnaden måste fortsätta utveckling mot mass customization (MC). Det finns brist på kunskap om hur MC utvecklas och implementeras när det gäller off-site tillverkningssystem. I denna avhandling görs ett bidrag till tillverkningssystemutveckling i trähusbyggnad genom att föreslå ett nytt tillvägagångssätt för att anpassa tillverkningssystem till de olika kraven av produktionsstrategier, marknaden, produktdesign och tillverkningsprocesser. Den föreslagna konceptuella ramen är en sammansättning av kunskapen från tre empiriska studier och olika metoder som finns i teorier om förändringsbara tillverkningssystem, MC och tillverkningssystemutveckling. Forskningssyftet med det presenterade arbetet är att öka kunskapen om hur utvecklingspotentialen av off-site tillverkningssystem utanför anläggningen kan identifieras i MC-orienterad trähusbyggnad. Fallstudier användes för att samla empiriska data. Datainsamlings- och analysmetoderna som används i de empiriska studierna kan vara användbara när man diskuterar potentiella förbättringar. Men denna information är inte tillräckligt komplett när det gäller att presentera enhelhetsbild av off-site tillverkning, utan en bedömning av marknaden samt kunskap om variationer i produkt- och processer behövs även. Därför presenteras det konceptuella ramverket, inklusive en kravlista samt en stegvis beskrivning av hur utvecklingspotentialen för off-site tillverkningssystem kan identifieras.
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Kim, Steven Hyung. "Mathematical foundations of manufacturing science : theory and implications." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/15283.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1985.MICROFICHE COPY AVAILABLE IN ARCHIVES AND DEWEY.
Bibliography: leaves 161-167.
by Steven Hyung Kim.
Ph.D.
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Cao, Ronald. "Mulitvariate analysis of manufacturing data." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/42746.
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Hickam, James William III 1956. "Paperless planning in printed circuit board manufacturing." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277250.
Повний текст джерелаАнотація:
One of the aspects of Computer Integrated Manufacturing is the ability to provide current work instructions to the operator at their workstation on a terminal or graphic monitor. The problem is, today, paperless planning is displayed to the operator one page at a time, making the operator report the completion or not completion of that task before showing the next page. This allows the operator no freedom of choice in how to do the job, which leads to reduced productivity and quality. A possible solution is presented by structuring the planning instructions and enhancing the workstation. The operator can be allowed to do the work the way he or she feels the most comfortable and yet, ensure the work is done according to design requirements.
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Lam, Lai Ki. "Adoption of Customer Relationship Management (CRM) in local manufacturing industry /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-meem-b19887292a.pdf.
Повний текст джерелаАнотація:
Thesis (M. Phil.)--City University of Hong Kong, 2005."Submitted to Department of Manufacturing Engineering and Engineering Management in partial fulfillment of the requirements for the degree of Master of Philosophy." Includes bibliographical references.
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SERRAO, ROGERIO ODIVAN BRITO. "OPERATIONALIZATION OF MANUFACTURING FLEXIBILITY: ANALYZING THE BUYER-SUPPLIER RELATIONSHIP INFLUENCE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2005. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7760@1.
Повний текст джерелаАнотація:
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIORO tema principal desta tese é a operacionalização da flexibilidade de manufatura, a partir de duas abordagens: teórica e empírica. A abordagem teórica visa a discussão com base em uma extensa revisão da bibliografia, da flexibilidade de manufatura e a sua operacionalização. No tocante à operacionalização, destaca-se a existência de diversos aspectos considerados indutores, como a tecnologia de processo, métodos de gerenciamento da produção, gerenciamento de recursos humanos, tecnologia de informação, processo de desenvolvimento de produtos e os relacionamentos na cadeia de suprimentos. Dentre esses aspectos, verificou-se a necessidade de aprofundamento na questão que trata dos relacionamentos na cadeia de suprimentos, em especial os relacionamentos produtor- fornecedor. Após o desenvolvimento do referencial teórico sobre os relacionamentos na cadeia de suprimentos, no sentido de apresentar as características gerais e seus efeitos sobre a flexibilidade de manufatura, passou-se a uma análise empírica com o foco no relacionamento produtor- fornecedor. A escolha desse indutor para a condução do estudo empírico deu-se em função da emergência do papel dos fornecedores na definição das estratégias do produtor e da importância das relações entre produtor e fornecedor na criação e desenvolvimento de vantagens competitivas. Além da construção de um referencial teórico - útil para a discussão da operacionalização da flexibilidade de manufatura como fonte de vantagens competitiva e preparação para futuras pesquisas - a tese também atende à demanda por estudos empíricos tão importantes para o avanço das pesquisas sobre o tema. Nesse sentido, buscou- se responder às duas questões de pesquisa: como se caracterizam os relacionamentos produtor-fornecedor quanto aos aspectos de confiança/comprometimento, compartilhamento de informações, desenvolvimento de fornecedores e desenvolvimento conjunto de produtos nas empresas estudadas? E como se dão os impactos dos aspectos de relacionamento produtor-fornecedor sobre a flexibilidade de manufatura e o desempenho da manufatura nas empresas estudadas? O estudo envolveu quatro empresas de manufatura em uma investigação da influência de quatro aspectos de relacionamento produtor-fornecedor - confiança/comprometimento, compartilhamento de informações, desenvolvimento de fornecedores e desenvolvimento conjunto de produtos - sobre três dimensões externas de flexibilidade de manufatura - mix, novos produtos e volume. A análise estendeu-se à observação dos efeitos generalizados dessas relações sobre o desempenho da manufatura dos níveis da flexibilidade de manufatura apresentados pelas empresas estudadas.
The purpose of this dissertation is to study the operationalization of manufacturing flexibility, focusing on aspects of relationships in the supply chain and their impact on manufacturing flexibility. The research involves four manufacturing companies for studying the influence of four aspects of buyer-supplier relationship - trust/commitment, information sharing, supplier development and joint product development - on three external dimensions of manufacturing flexibility - mix, new products and volume. The study also observes the generalized effects of these relationships on manufacturing performance and on the levels of manufacturing flexibility shown by the companies studied. The buyer-supplier relationships are deeply analyzed and their general characteristics and effects on the operationalization of manufacturing flexibility are presented. In addition, the analysis of scope and achievability factors indicated the presence of little explored flexible resources in the companies studied. Finding ways for operationalizing flexibility must be seen as a priority question to obtain competitive advantage in manufacturing systems. This work shows how the relationships between the buyer and supplier can influence several external dimensions of manufacturing flexibility and, consequently, manufacturing performance.
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Colelli, Leonard A. "Relationship of activities experienced and taught by secondary manufacturing teachers /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487261553059751.
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Van, Ryzin Garrett John. "Control of manufacturing systems with delay." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14834.
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Avril, Nicolas Joseph. "Manufacturing glass-fiber reinforcement for grinding wheels." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38432.
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German, Luis David. "Automobile valve manufacturing : technical and econoimc analysis." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/41413.
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Hudson, James Daniel. "Cotton Mather's relationship to science." unrestricted, 2008. http://etd.gsu.edu/theses/available/etd-04162008-134704/.
Повний текст джерелаАнотація:
Thesis (M.A.)--Georgia State University, 2008.Title from file title page. Reiner Smolinski, committee chair; Robert Sattelmeyer, Paul Schmidt, committee members. Electronic text (83 p.) : digital, PDF file. Description based on contents viewed August 4, 2008. Includes bibliographical references (p. 78-83).
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Endo, Seiji. "Long-Term Relationship between Footwear Manufacturer and Consumers: Relationship Spiral Model of Encounter for Services and Goods through Internet Shopping." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/27232.
Повний текст джерелаАнотація:
In the present market place situation, a consumer's main contact with manufacturing (i.e., the production process) is through retailers or other middlemen, such as mail order catalog companies. Consumers rarely complain, but when they do, consumers complain to or request information from retailers about products (Kincade, Redwine, & Hancock, 1992). Manufacturers rarely receive information directly from consumers. Instead, they get second-hand reports from retailers or they get no information at all.
The purpose of this research was to explore the relationship between manufacturers and consumers during the relationship process using a mixed design of preexperimental research and panel analysis with in-depth interview. The major research question is: What will happen in the Relationship Spiral Model when the consumer becomes a part of the manufacturer /consumer relationship?
Twenty female participants, out of 35 who answered the screening questionnaire, were selected from students and acquaintances of the researcher in Blacksburg, VA. For the experiment, a simulated web site was used by a consumer (i.e., participant) to order two pair of customized shoes based on each consumer's needs.
In the preexperimental design for this study, a longitudinal case study with a panel study technique, as described by Babbie (1999) and Creswell (1994), was utilized to investigate consumer characteristics (i.e., demographics, shopping orientation, expectation, and experience), goods and service in encounter, and direct communication over time. The following procedure was conducted: (a) interviewing the subjects, (b) transcribing tapes and field notes, (c) segmenting data, (d) de-contextualizing data, (e) coding data, and (f) re-contextualizing data. Interpretational qualitative analysis was utilized for data analysis in this study.
As a result of recontextualization of the interview scripts, the Relationship Spiral Model emerged from the data. Four sub-models for four groups were refined according to the data from the Relationship Spiral Model. Further analysis was conducted on sub-models. Consumers are constantly changing and have multiple selection criteria. These criteria are constantly changing based on expectations, experiences and other situational variables.Ph. D.
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Yao, James Chung-Yo. "Leaders for Manufacturing Program electronic mail network." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/61055.
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Aby, Madeline (Madeline B. ). "Large-scale manufacturing of graphene-based devices." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100291.
Повний текст джерелаАнотація:
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2015.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 95-96).
Graphene has shown great promise since its isolation in 2003; demonstrating amazing electrical and mechanical properties that could enable a wide range of cheap, flexible, and biocompatible electronic devices. Many graphene-based devices have already been successfully fabricated and characterized including capacitors, transistors and various sensors. However, the major challenge facing wide-spread adoption of graphene is scaleability. While advances in chemical vapor deposition have enabled the creation of quality graphene at larger scales than mechanical exfoliation, this graphene is still difficult and expensive to transfer and pattern over large areas. This work explores ways of large-scale graphene production and patterning from graphene oxide and polyimide precursors. These precursors can be coated directly on materials and then patterned with a laser, or they can be prepared as inks to be used in 3D printing technologies. Large-area devices including strain sensors, wires and capacitors were fabricated and found to have good electrical characteristics. A 3D printing system was also constructed and used to directly print graphene-based devices.
by Madeline Aby.
M. Eng.
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Schulz, Adriana. "Computational design for the next manufacturing revolution." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117844.
Повний текст джерелаАнотація:
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 169-180).
Over the next few decades, we are going to transition to a new economy where highly complex, customizable products are manufactured on demand by flexible robotic systems. In many fields, this shift has already begun. 3D printers are revolutionizing production of metal parts in the aerospace, automotive, and medical industries. Whole-garment knitting machines allow automated production of complex apparel and shoes. Manufacturing electronics on flexible substrates makes it possible to build a whole new range of products for consumer electronics and medical diagnostics. Collaborative robots, such as Baxter from Rethink Robotics, allow flexible and automated assembly of complex objects. Overall, these new machines enable batch-one manufacturing of products that have unprecedented complexity. In this thesis, I argue that the field of computational design is essential for the next revolution in manufacturing. To build increasingly functional, complex and integrated products, we need to create design tools that allow their users to efficiently explore high-dimensional design spaces by optimizing over a set of performance objectives that can be measured only by expensive computations. In this work discuss how to overcome these challenges by 1) developing data-driven methods for efficient exploration of these large spaces and 2) performance-driven algorithms for automated design optimization based on high-level functional specifications. I showcase how these two concepts are applied by developing new systems for designing robots, drones, and furniture.
by Adriana Schulz.
Ph. D.
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Lu, Ilyssa Jing. "Innovation enabling manufacturing processes." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/44309.
Повний текст джерелаАнотація:
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science; in conjunction with the Leaders for Manufacturing Program at MIT, 2008.Includes bibliographical references (p. 61-62).
Global operations for multinational companies today pose a particularly challenging environment for maintaining fluid knowledge transfer and effective communication methodologies. In a continuous drive for product innovation, process development often takes on lower priority to other initiatives that directly affect the design and delivery of a product. However, existing literature shows that process development and governance are critical to sustainable growth in the global marketplace. Multinational companies must recognize the need to integrate process development in a product centric enterprise to maintain effective information flow and clear communication channels. Cisco faces this challenging in maintaining effective cross-functional communication while growing through acquisition and new product developments. Cisco also faces additional complexity in managing a global network of outsourced manufacturing activities. This research analyzes two case studies in process development within the Manufacturing organization at Cisco. Specifically, these two case studies focus on driving early engagement of manufacturing concerns in the product lifecycle and effective means of facilitating this initiative.
by Ilyssa Jing Lu.
S.M.
M.B.A.
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Holman, Jason (Jason William) 1974. "Optical networking equipment manufacturing." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/44603.
Повний текст джерелаАнотація:
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science; in conjunction with the Leaders for Manufacturing Program at MIT, 2001.Includes bibliographical references (leaf 70).
Celestica, a global contract manufacturer specializing in printed circuit board assembly and computer assembly, has recently begun manufacturing equipment for the optical networking equipment (ONE) industry. The expansion to include ONE manufacturing requires the development of new skills in handling optical fiber and components, a new supply chain strategy, and a new approach to manufacturing systems control. Celestica is developing a set of standards for ONE manufacturing that will support the rapid development of the new skills required for this industry. This work outlines the standards and explores the specific issues related to manufacturing with optical fiber, including the mechanical reliability and optical performance of various types of optical fibers. An overview of the telecommunications industry is provided, including an analysis of its supply chain structure. Observations are made on trends in the industry and the ways that these trends have affected Celestica in the past, and could impact Celestica in the future. Finally, Celestica's current approach to manufacturing systems control is evaluated, and suggestions are made for improving systems control and project management when manufacturing for such a rapidly evolving industry.
by Jason Holman.
S.M.
M.B.A.
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Viraney, Khalil (Khalil A. ). Carleton University Dissertation Management Studies. "Impact of close relationship with suppliers on a firm's manufacturing flexibility." Ottawa, 1996.
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Herrett, Christopher Robert. "A taxonomy of the business strategy and manufacturing strategy of U.K. companies." Thesis, University of Sunderland, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343610.
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Wang, Ying. "Applications of e-commerce across the manufacturing supply chain to achieve the promise of e-manufacturing." Thesis, University of Huddersfield, 2008. http://eprints.hud.ac.uk/id/eprint/6134/.
Повний текст джерелаАнотація:
New approaches to the development of manufacturing strategies based on improved supply chain performance have made great progress. This research is undertaken to investigate the use of the internet and web technologies to enhance supply chain agility so the manufacturer is able to cope with make-to-order processing without facing a panic of late delivery. E-manufacturing is a recent concept developed to achieve higher levels of supply chain integration and agility with the help of the internet. Its scope is greater than ebusiness and the supply chain. The use of the internet to optimise the customeroriented supply chain, the use of the website for more than e-commerce known as buying and selling, these developments are immature. As a result of a review of the literature and eight case studies, this research develops close-up views on the following three aspects that lead to the successful implementation of e-manufacturing in Business to Business (B2B) and Business to Customers (B2C): (1) Requirement specification; (2) Modules development; (3) Implementation methodology. The implementation of e-manufacturing enables the manufacturer to tie up with its supply chain existing partners and potential partners as an entity toward the same objectives, and brings maximum benefits to each participant. The fulfilment of web technologies creates web surroundings which provide the small company with an opportunity to be involved with the large enterprise’s e-commerce systems.
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Somani, Ajay. "Environmentally benign manufacturing of three dimensional integrated circuits." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40350.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2007.Includes bibliographical references (p. 221-231).
Along with scaling down in size, novel materials have been introduced into the semiconductor industry to enable continued improvements in performance and cost as predicted by Moore's law. It has become important now more than ever to include an environmental impact evaluation of future technologies, before they are introduced into manufacturing, in order to identify potentially environmentally harmful materials or processes and understand their implications, costs, and mitigation requirements. In this thesis, we introduce a methodology to compare alternative options on the environmental axis, along with the cost and performance axes, in order to create environmentally aware and benign technologies. This methodology also helps to identify potential performance and cost issues in novel technologies by taking a transparent and bottoms-up assessment approach. This methodology is applied to the evaluation of the MIT 3D IC technology in comparison to a standard CMOS 2D IC approach. Both options are compared on all three axes - performance, cost and environmental impact.
(cont.) The "handle wafer" unit process in the existing 3D IC technology, which is a crucial process for back-to-face integration, is found to have a large environmental impact because of its use of thick metal sacrificial layers and high energy consumption. We explore three different handle wafer options, between-die channel, oxide release layer, and alternative low-temperature permanent bonding. The first two approaches use a chemical handle wafer release mechanism; while the third explores solid liquid inter-diffusion (SLID) bonding using copper-indium at 2000C. Preliminary results for copper-indium bonding indicate that a sub-micron thick multi-layer copper-indium stack, when bonded to a 300 nm thick copper film results in large voids in the bonding interface primarily due to rough as-deposited films. Finally, we conduct an overall assessment of these and other proposed handle wafer technologies. The overall assessment shows that but the oxide release layer approach appears promising; however, each process option has its strength and weaknesses, which need to be understood and pursued accordingly.
by Ajay Somani.
Ph.D.
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Liu, Weihua, and Ying Chen. "Purchasing Process integration in manufacturing industry in China : Case study of three Chinese manufacturing companies." Thesis, Linnéuniversitetet, Ekonomihögskolan, ELNU, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-11974.
Повний текст джерелаАнотація:
Background:China could be seemed as a highly developing country. There are many opportunities and challenges inChina. Its preferential policies and huge potential market attract a lot of foreign companies to come toChina. Meanwhile, Chinese government encourages the development of domestic enterprises. Therefore, at present there mainly coexist three forms of enterprises inChina: foreign-funded companies, private companies and state-controlling companies. In order to enhance competitiveness, almost every company in china has its own supply chain network. Supply Chain management plays an important role in Chinese companies. Research question: 1. What is the current situation of purchasing process and purchasing process integration for some manufacturers of different ownerships in China? 2. How can purchasing process be integrated for some manufacturers of different ownerships in China from manufacture’s perspectives? Purpose: The purpose of this thesis is to study the current situation in purchasing process integration in Chinese manufacturing industry of three kinds of ownership and evaluate the purchasing process of three kinds of companies in China. In addition, it gives some suggestions to remove potential obstacles and optimize the purchasing process; and aims to help the companies to gain competitive advantage in the long term. Method: The empirical foundation for this thesis is intended to be on multiple case study method. It studies of the three types of manufacturing enterprises in China. To represent these three types of companies, three companies are chosen from each as selected research objects. Data is collected through semi-structure interviews, so the questionnaire would be open-ended. Long-distance telephone interview with purchasing managers and material managers separately for each company would be adopted. Conclusion: The purchasing process of three companies who represent three different types of ownership is studied. It studies the current situation in purchasing process integration in Chinese manufacturing industry of three kinds of ownership and evaluates the purchasing process of three kinds of companies in China. Then the obstacles in purchasing process are found out. Then suggestions on purchasing process integration are used to tackle these obstacles. Future Work: This thesis focuses on three manufacturing companies in China. The result of this thesis cannot represent all the obstacles in purchasing process in manufacturing industry in China. But the purchasing process, characteristics, strength and weakness are similar in the same type of ownership. Meanwhile, the recommendation on purchasing process integration also cannot solve all the obstacles found, due to the companies’ own condition. In future research, it recommends to add more research companies. Furthermore, more studies could be included to identify common obstacles and dig out solutions related to purchasing process integration in Chinese manufacturing industry.
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Bose, Prosenjit. "Geometric and computational aspects of manufacturing processes." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28686.
Повний текст джерелаАнотація:
Two of the fundamental questions that arise in the manufacturing industry concerning every type of manufacturing process are: (1) Given an object, can it be built using a particular process? (2) Given that an object can be built using a particular process, what is the best way to construct the object? The latter question gives rise to many different problems depending on how best is qualified. We address these problems for two complimentary categories of manufacturing processes: rapid prototyping systems and casting processes. The method we use to address these problems is to first define a geometric model of the process in question and then answer the question on that model.In the category of rapid prototyping systems, we concentrate on stereolithography, which is emerging as one of the most popular rapid prototyping systems. We model stereolithography geometrically and then study the class of objects that admit a construction in this model. For the objects that admit a construction, we find the orientations that allow a construction of the object.
In the category of casting processes, we concentrate on gravity casting and injection molding. We first model the process and its components geometrically. We then characterize and recognize the objects that can be formed using a re-usable two-part cast. Given that a cast of an object can be formed, we determine a suitable location for the pin gate, the point from which liquid is poured or injected into a mold. Finally, we compute an orientation of a mold that ensures a complete fill and minimizes the number of venting holes for molds used in gravity casting processes.
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Johansen, Sylvi Helene. "Manufacturing industry, taste and science in mid-nineteenth century Britain." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ63954.pdf.
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Kolbeinsson, Ari. "Managing Interruptions in Manufacturing : Towards a Theoretical Framework for Interruptions in Manufacturing Assembly." Licentiate thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-12791.
Повний текст джерелаАнотація:
The effect of interruptions from ICT systems on assembly workers in manufacturing is examined in this thesis, as is how the risks of errors, increases in assembly time, increased cognitive load and resultant stress can be mitigated, as well as ensuring that important new information is acted upon. To these ends, a literature study was conducted, followed by two studies using an experimental approach in an environment that simulated a manufacturing assembly situation, and used tasks designed to be representative of manufacturing assembly tasks. The results of the literature study and the two studies are presented in four appended papers. The body of the thesis itself introduces similar material, and takes a step towards the creation of a theoretical framework that supports analysing the tasks and environments in question from a embodied and situated (DEEDS or 4E) viewpoint on cognition. This theoretical framework uses graphical representations similar to storyboards to support the analyst in maintaining an embodied and situated viewpoint during analyses of active tasks that require an examination of the interplay between brain, body, and environment. Supporting an embodied viewpoint during analysis has the purpose of facilitating the design of interruption coordination systems that take into account the embodied and situated nature of the tasks faced in manual tasks such as assembly in manufacturing.Sense&React
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Medrow, David (David Robert) 1968. "Cost modeling of a manufacturing process." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9986.
Повний текст джерелаАнотація:
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management; and, Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.Includes bibliographical references (leaf 45).
by David Medrow.
M.S.
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Caromicoli, Carl Adam. "Time scale analysis techniques for flexible manufacturing systems." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14705.
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Kreidl, O. Patrick. "Distributed cooperative control architectures for automated manufacturing systems." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/11295.
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Rawizza, Mark Alan. "Time-series analysis of multivariate manufacturing data sets." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10895.
Повний текст джерела
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Chen, Jianglong 1976. "Novel patterning techniques for manufacturing organic and nanostructured electronics." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39552.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2007.Page 206 blank.
Includes bibliographical references.
Molecular organic semiconductors and nanometer size particles are two new classes of functional materials allowing fabrication of electronic devices on low-cost and large area substrates. Patterning these electronic materials requires the development of unconventional techniques, and the scientific understanding behind the manufacture processes. We introduce the first-generation Molecular Jet (MoJet) printing technique for vacuum deposition of evaporated thin films and apply it to the fabrication of high-resolution pixelated (800 ppi) molecular organic light emitting devices (OLEDs) based on aluminum tris(8-hydroxyquinoline) (Alq3), and the fabrication of pentacene based organic field effect transistors (OFETs) with narrow channel (15 gm) and asymmetric silver/gold contacts. Patterned printing of both organic and metal films is demonstrated, with the operating properties of MoJet-printed OLEDs and OFETs shown to be comparable with the performance of devices fabricated by conventional evaporative deposition through a metal stencil. This MoJet printing technique is reconfigurable for digital fabrication of arbitrary patterns with multiple material sets and a high print accuracy of better than 5gtm, and scalable to large area substrates.
(cont.) Analogous to the concept of "drop-on-demand" in Inkjet printing technology, MoJet printing is a "flux-on-demand" process and we show it capable of fabricating multi-layer stacked film structures, as needed for engineered organic devices. We present the concept and the applications of the second-generation MoJet printing technique. Using this technique, we demonstrate patterned molecular organic semiconducting thin films directly printed by a three-step local evaporative deposition, in conjunction with using the HP thermal InkJet printing technology. This MoJet printing technique can be applied to pattern solution-processable molecular organic thin films, providing flux-on-demand in an ambient environment. We develop an Inkjet assisted micro-contact printing technique for the patterning of colloidal semiconductor nanoparticles. Active OLEDs incorporated with a uniform thickness layer of colloidal nanoparticles are fabricated by using this Inkjet printing plus stamp transferring technique. The material usage efficiency is largely boosted. To our knowledge, these three novel patterning techniques presented in this study provide for the first time unprecedented capabilities for manufacturing organic and nanostructured electronic devices.
by Jianglong Chen.
Ph.D.
42
Koenig, Alexander J. "Process Selection for the Manufacturing of a Light and Simple Automobile." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524210898126073.
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Olsen, Eric Oscar. "Lean manufacturing management the relationship between practice and firm level financial performance /." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1086113492.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--Ohio State University, 2004.Title from first page of PDF file. Document formatted into pages; contains xvii, 220 p. : ill. (some col.). Advisor: Peter T. Ward, Dept. of Business Administration. Includes bibliographical references (p. 197-203).
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Wang, Wern-Lirn. "Accelerating new project deployment with manufacturing guidelines." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/36936.
Повний текст джерелаАнотація:
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1994, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science & Engineering, 1994.Includes bibliographical references (p. 165-167).
by Wern-Lirn Wang.
M.S.
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Kang, John (John Y. ). 1972. "Applying Six Sigma to Tenneco Automotive manufacturing." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9781.
Повний текст джерелаАнотація:
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1999.Includes bibliographical references (leaf 59).
Product Quality, broadly defined as the ability of a company's product to meet specific confonnance requirements as defined by the customer, is the subject of this thesis. Specifically, this thesis will explore how product quality can be improved in the context of Tenneco Automotive's (TA's) manufacturing process. A brief survey of these processes indicate the following: **Quality Gap: Company data suggest internal defect rates as measured by factors such as rework and scrap may be higher than external defect rates as measured by factors such as customer returns and warranty costs. Decreasing internal defect rates could potentially reduce TA' s internal manufacturing cost. ** Benchmark Study: This section reports and summarizes the experiences different Fortune 500 companies have had with Six Sigma. The information was obtained through a series of interviews with people, mostly senior managers, who have had direct experience leading a portion of their company's Six Sigma efforts. ** Six Sigma Models: This section reports the financial and product quality improvement that TA could potentially achieve on both a company-wide and plant level basis through the application of Six Sigma. The two quantitative models that were used to come up with these findings are also shown and explained. These two models, although specifically designed for TA, can be easily broadened to apply to almost any general manufacturing enterprise. ** Six Sigma Integration: This section attempts to identify the major issues and barriers that need to be overcome to successfully implement a Six Sigma program in TA manufacturing.
by John Kang.
S.M.
M.B.A.
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Torres-Caceres, Jonathan. "Manufacturing of Single Solid Oxide Fuel Cells." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5875.
Повний текст джерелаАнотація:
Solid oxide fuel cells (SOFCs) are devices that convert chemical energy into electrical energy and have the potential to become a reliable renewable energy source that can be used on a large scale. SOFCs have 3 main components; the electrolyte, the anode, and the cathode. Typically, SOFCs work by reducing oxygen at the cathode into O2- ions which are then transported via the electrolyte to the anode to combine with a fuel such as hydrogen to produce electricity. Research into better materials and manufacturing methods is necessary to reduce costs and improve efficiency to make the technology commercially viable. The goal of the research is to optimize and simplify the production of single SOFCs using high performance ceramics. This includes the use of 8mol% Y2O3-ZrO2 (YSZ) and 10mol% Sc2O3-1mol%CeO2-ZrO2 (SCSZ) layered electrolytes which purport higher conductivity than traditional pure YSZ electrolytes. Prior to printing the electrodes onto the electrolyte, the cathode side of the electrolyte was coated with 20mol% Gd2O3-CeO2 (GDC). The GDC coating prevents the formation of a nonconductive La2Zr2O7 pyrochlore layer, which forms due to the interdiffusion of the YSZ electrolyte ceramic and the (La0.6Sr0.4)0.995Fe0.8Co0.2O3 (LSCF) cathode ceramic during sintering. The GDC layer was deposited by spin coating a suspension of 10wt% GDC in ethanol onto the electrolyte. Variation of parameters such as time, speed, and ramp rate were tested. Deposition of the electrodes onto the electrolyte surface was done by screen printing. Ink was produced using a three roll mill from a mixture of ceramic electrode powder, terpineol, and a pore former. The pore former was selected based on its ability to form a uniform well-connected pore matrix within the anode samples that were pressed and sintered. Ink development involved the production of different ratios of powder-to-terpineol inks to vary the viscosity. The different inks were used to print electrodes onto the electrolytes to gauge print quality and consistency. Cells were produced with varying numbers of layers of prints to achieve a desirable thickness. Finally, the densification behaviors of the major materials used to produce the single cells were studied to determine the temperatures at which each component needs to be sintered to achieve the desired density and to determine the order of electrode application, so as to avoid over-densification of the electrodes. Complete cells were tested at the National Energy Technology Laboratory in Morgantown, WV. Cells were tested in a custom-built test stand under constant voltage at 800°C with 3% humidified hydrogen as the fuel. Both voltage-current response and impedance spectroscopy tests were conducted after initial startup and after 20 hours of operation. Impedance tests were performed at open circuit voltage and under varying loads in order to analyze the sources of resistance within the cell. A general increase in impedance was found after the 20h operation. Scanning electron micrographs of the cell microstructures found delamination and other defects which reduce performance. Suggestions for eradicating these issues and improving performance have been made.M.S.M.E.
Masters
Mechanical and Aerospace Engineering
Engineering and Computer Science
Mechanical Engineering; Mechanical Systems
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Azahari, Baharin Bin. "An investigation into the relationship between processing, orientation and properties of low density polyethylene films." Thesis, London Metropolitan University, 1990. http://repository.londonmet.ac.uk/2992/.
Повний текст джерелаАнотація:
The effect of changing processing conditions on the mechanical properties of LDPE, LLDPE and blends of LDPE and LLDPE blown films was studied. The results were analysed by relating the change in mechanical properties with the change in the residual strain of manufactured film. The residual strain was measured by using a shrinkage method.
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Gopalakrishnan, Srimathy. "Optimization models for production planning in metal sheet manufacturing." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/36427.
Повний текст джерелаАнотація:
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.Includes bibliographical references (leaves 84-85).
by Srimathy Gopalakrishnan.
M.S.
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Martin, Damien W. "Fault detection in manufacturing equipment using unsupervised deep learning." Thesis, Massachusetts Institute of Technology, 2021. https://hdl.handle.net/1721.1/130698.
Повний текст джерелаАнотація:
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, February, 2021Cataloged from the official PDF of thesis.
Includes bibliographical references (pages 87-90).
We investigate the use of unsupervised deep learning to create a general purpose automated fault detection system for manufacturing equipment. Unexpected equipment faults can be costly to manufacturing lines, but data driven fault detection systems often require a high level of application specific expertise to implement and continued human oversight. Collecting large labeled datasets to train such a system can also be challenging due to the sparse nature of faults. To address this, we focus on unsupervised deep learning approaches, and their ability to generalize across applications without changes to the hyper-parameters or architecture. Previous work has demonstrated the efficacy of autoencoders in unsupervised anomaly detection systems. In this work we propose a novel variant of the deep auto-encoding Gaussian mixture model, optimized for time series applications, and test its efficacy in detecting faults across a range of manufacturing equipment. It was tested against fault datasets from three milling machines, two plasma etchers, and one spinning ball bearing. In our tests, the model is able to detect over 80% of faults in all cases without the use of labeled data and without hyperparameter changes between applications. We also find that the model is capable of classifying different failure modes in some of our tests, and explore other ways the system can be used to provide useful diagnostic information. We present preliminary results from a continual learning variant of our fault detection architecture aimed at tackling the problem of system drift.
by Damien W. Martin.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
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DeLaus, Michael Daniel. "Machine learning for automated anomaly detection in semiconductor manufacturing." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/123017.
Повний текст джерелаАнотація:
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2019
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 71-72).
In the realm of semiconductor manufacturing, detecting anomalies during manufacturing processes is crucial. However, current methods of anomaly detection often rely on simple excursion detection methods, and manual inspection of machine sensor data to determine the cause of a problem. In order to improve semiconductor production line quality, machine learning tools can be developed for more thorough and accurate anomaly detection. Previous work on applying machine learning to anomaly detection focused on building reference cycles, and using clustering and time series forecasting to detect anomalous wafer cycles. We seek to improve upon these techniques and apply them to related domains of semiconductor manufacturing. The main focus is to develop a process for automated anomaly detection by combining the previously used methods of cluster analysis and time series forecasting and prediction. We also explore detecting anomalies across multiple semiconductor manufacturing machines and recipes.
by Michael Daniel DeLaus.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science