Dissertations / Theses on the topic 'Just-in-time systems Case studies'

The international environment today has been undergoing unprecedented change and many companies are seeking new ways to stand out from the competition by sustaining their competitive advantage. Internationalization and firms’ consolidation increase competition in the dynamic marketplace .Companies are no longer staying competitive simply through focusing on product quality and pricing as customers are becoming more high-demanding related to customer service offer. This issue directs the companies’ main focus today to address the customer needs in the ever-changing environment.In order to be the winners in the marketplace, timing and superior customer service are becoming the keys to attain competitive advantage for a company. Time-based competition is an important issue that many companies are facing currently as customers are becoming more time-sensitive and time-oriented in terms of better services, reliability and delivery. To keep up with the changes in demand from customers, it is important to satisfy customers’ objectives and needs in order to provide superior customer service, thus, establish good relationship with them. In the ever-changing and dynamic business environment company needs to adapt and exploit the changes in order to meet the new challenges in the marketplace. It is crucial for the company to respond to changing needs of existing customers and seeking to serve new customers externally. The ways to renew the customers’ services and how they are delivered are critical capabilities for many companies to acquire nowadays. This leads to increasing interaction between marketing and logistics where logistics is considered a platform for supporting new strategic moves on the market.This master thesis originates from a need to research the links between customer service improvement and Just-in-time distribution in order to sustain competitive advantage. We propose to extend the Just-In-Time concept to incorporate a customer perspective, which results in changes the warehousing, ordering and delivering routines. Subsequently, this creates timing ability as well as coordination of information and material flows through timely decisions, which are difficult for competitors to emulate. Based on our analysis and conclusion, companies are recommended to shift from the traditional production-oriented to market-oriented focuses through incorporation of customers' perspective into the value chain. To deploy this, companies should start from the customer end and understand customers' needs and establish mutual beneficial relationships with customers. Long-lasting business relationships ultimately determine the success of the company. Furthermore, we conclude that successful learning to change the routines requires time for the transformation of traditional delivery practice to perform direct deliveries activities. They are based on the common understanding of the tasks and rules as well as common codes of internal coordination processes.

Since their introduction to the United States from Japan in the 1980s, inter-organizational cooperation practices between buyers and suppliers have provided lower costs, shorter development and production cycles, and higher levels of quality and productivity. Many studies of interorganizational cooperation have relied on transaction cost economicsframeworks,which ignore cultural differences. Few studies have analyzed inter-organizational cooperation in Mexico, a less-developed country (LDC) with a cultural and industrial environment differentfromthe U.S. This study is concerned with the influence of interorganizational trust, individualism and collectivism (indcol), and the superordinate goal ofjust-in-time/total quality management (JIT/TQM) on inter-organizational cooperation.

Globalization and the increasing time to market have led to ever-higher requirements on the production systems. More than often the short-term thinking and the chase for profit lead to cheap quick fixes. The manufacturing industry changes slowly while the market is changing rapidly, which requires long-term planning for capacity increase but at the same time the ability to rapidly respond to changes. The most crucial factors determining the ability to efficiently produce and deliver a product to market is the utilized production system and a well stated manufacturing strategy. The choice of a certain production system depends on company conditions and requirements as well as the market demands. The current production systems performance and ability to handle different production volumes and divergence must be considered and evaluated from an economical perspective. During this thesis work the benefits and disadvantages with batch flow and one-piece flow have been examined. Generally one-piece flow had been considered the most efficient regarding performance and economical aspects. Meanwhile, batch flow had some benefits associated to it regarding high level of flexibility to handle several different product variants and better possibilities to govern the material flow compared to one-piece flow. There has also been examined which are the most crucial factors affecting the choice between one-piece flow and batch flow. It emerged during the thesis work that the most crucial factor affecting the choice of production system was the Manufacturing Strategy. It can be considered as the ground for every decision regarding the production system and future investments. It determines where the company currently stands, where they want to be in the future and which steps they need to take to get there. The economical factor is as least as important because all decisions include more or less costly investments. At the same time the chosen production system must be as efficient as possible and generate money for the company. Based on these two main factors other interesting factors have been presented. These factors may not affect the choice as much, but are to be considered as important in this context The most crucial factors found to affect the choice of a production system were; Manufacturing Strategy, Economical factors, Production planning and control, Flexibility and capacity, Production volume, variants and trends. The research work has been conducted over a twenty-week period, during which data collection has been performed via Multiple Case Studies at four companies manufacturing similar components within the light and heavy automotive industry. Additional data collection has been performed through a literature review by examining relevant material for the research questions. This have led to a collected knowledge base regarding benefits and disadvantages with each production system along with underlying reasons for deciding on one of them. Based on the collected material from the Case Studies and the theoretical findings, a Mind map visualizing the crucial factors affecting the choice of a production system is presented. This can be utilized by the companies in order for structured evaluation of their current production system and for planning for future changes within production.
Globaliseringen och den ökande pressen på företag att producera och få ut produkter på marknaden på kortast möjliga tid har lett till att det ställs allt högre krav på produktionssystemen. Allför ofta leder kortsiktigt tänkande och jakten på vinster till att företag väljer enkla och billiga snabblösningar. Tillverkningsindustrin förändras långsamt medans marknaden ändras fort, vilket kräver att företagen kan planera för långsiktiga kapacitetsökningar och ändå ha beredskap för att snabbt kunna anpassa sig till förändringar. Det som till allra största del avgör hur effektivt man kan producera och leverera en produkt till marknaden är vilket produktionssystem ett företag använder samt en välformulerad tillverkningsstrategi. Vilket produktionssystem man väljer är beroende av vilka förutsättningar och krav ett företag har lika mycket som av marknadskraven. Man måste ta hänsyn till det nuvarande produktionssystemets prestanda och möjlighet att hantera ändrade produktionsvolymer och variantflora och utvärdera detta ur en ekonomisk synvinkel. Under detta examensarbete har för- och nackdelar med batchflöde och enstycksflöde undersökts och utvärderats. Generellt sätt har enstycksflöde konstaterats vara mest effektivt rent ekonomiskt och prestandamässigt. Däremot, har batchflöde tilldelats fördelar som hög flexibilitet att hantera olika produktvarianter och bättre möjligheter att styra materialflödet jämfört med enstycksflöde. Det har även undersökts vilka som är de mest avgörande faktorerna som styr valet av enstycksflöde eller batchflöde. Under arbetets gång framkom det att den mest avgörande faktorn som påverkar valet av produktionssystem var företagets Produktionsstrategi. Den kan anses vara grunden för alla beslut rörande produktionssystemet och framtida satsningar. Där visar man var företaget befinner sig idag samt var man vill vara i framtiden och vilka beslut man måste ta för att ta sig dit. Den ekonomiska faktorn är minst lika viktig, då alla beslut i slutändan handlar om mer eller mindre kostsamma investeringar. Samtidigt måste det valda produktionssystemet vara så effektivt som möjligt och generera pengar till företaget. Med utgångspunkt från dessa två huvudfaktorer har andra intressanta faktorer tagits fram, som inte påverkar valet av produktionssystem i lika hög grad, men som ändå kan anses vara viktiga i sammanhanget. Forskningsarbetet har bedrivits under 20 veckors tid, där datainsamling har utförts via fallstudier på fyra företag som tillverkar liknande komponenter inom fordonsindustrin. Vidare datainsamling har gjorts genom en litteraturstudie där relevant material för forskningsfrågorna har undersökts. Detta har lett till en samlad kunskapsbas gällande för- och nackdelar med de respektive produktionssystemen samt bakomliggande orsaker till att välja något av dessa produktionssystem. Utifrån det samlade materialet från fallstudierna samt de teoretiska rönen har sedan en tankekarta tagits fram, som visualiserar de avgörande faktorerna som påverkar valet av ett produktionssystem. Denna tankekarta kan företag använda sig av för att på ett strukturerat sätt utvärdera nuvarande produktionssystemet samt planera för framtida förändringar inom produktionen.

The primary headship in England and Wales is in a time of fundamental change and increasing expectations. The influences of recent education acts, and forces, such as choice, parent and governor participation, and increasing LMS responsibility have contributed to a changing headship context. The relative paucity of research which develops a qualitative understanding of primary headteacher perspectives lends an imperative to this qualitative study. A number of central research questions are posed to explore headteacher conceptions of leadership, the influential forces which shape those conceptions, and the context of primary school development. Particular attention is paid to the influence of reflective practice and critical theory as a contribution to professional development. The literature review examines the historic and thematic development of 20th century leadership and management theory. Particular emphasis is placed on what has been termed 'transformational leadership' and the influence of 'reflective practice' in professional development. A case is made for substantive differences between leadership and management, with leadership forming the central core of the study. The data sources were case studies of three perceived 'effective' Oxfordshire primary headteachers; the headteachers represented an opportunity sample of large, multiplestaff primary schools. Semi-structured interviews represented the primary data source, however a breadth of methods were used to form a 'thick' description of the headteacher and school ethos. The repertory grid technique was utilised to illuminate the central constructs which guided the headteachers' conceptions of leadership. Findings from the study are grouped in three areas. The findings suggest headteacher conceptions of leadership were largely idiosyncratic and person-oriented. In addition, a mixed nominal understanding of the terms 'leader' and 'manager' was expressed by the participants. It was found that the headteacher's conception of leadership were influenced by the transitional nature of the headship role. Greater responsibility for LMS, and other governmental forces were indicated as strongly shaping factors. Findings point to the espousal of a number of transformational views, and all headteachers used language of reflective practice to describe a number of the professional development goals of the school. A sense of 'critical' reflection was also present, especially as schools prepared for inspection. The study concludes by discussing the implications for leadership theory and the suggestions for further research in area of headteacher development and evolving conceptions of leadership.

Ecosystem-based adaptation (EbA) champions the use of biodiversity and ecosystem services to help people adapt to the adverse effects of climate change. Moreover, EbA presents an exemplary opportunity to confer social-ecological resilience. But how can such initiatives be effectively implemented and managed towards a resilient supply of key ecosystem services? Through case study research on community-led water sow and harvest (WSH) – a traditional form of EbA in the Peruvian Andes – this thesis explores social-ecological conditions for self-organization, collaboration and learning for the adoption of the practice, as well as the emergence of adaptive co-management (ACM) and its potential for building local water resilience. Qualitative data collected from interviews and participatory observations were thematically coded, and analysed for self-organization using the Multilevel Nested Framework (Ostrom 2009) and subsequently for social learning using ACM literature. This study found that self-organization for the adoption of WSH was primarily influenced by strong leadership, the importance of the water resource to the community, and users bonded by formal institutions of collective choice and social norms rooted in Andean culture. In addition, four types of collaboration and five learning activities were found to conform a social learning process and result in social learning outcomes for enhanced adaptive capacity, indicating the emergence of ACM around community-led WSH. By supporting knowledge exchange through a social network, ACM allows the practice to be scaled-up to create enabling legislation, scaled-out to increase the number of communities adopting WSH, and scaleddeep to support cultural internalization of the practice. Such scaling can potentially enable community-led WSH to build local water resilience through: 1) implementation at the landscape level to match the scale of ecological processes that sustain water ecosystem services; and 2) continuous management over time to support adaptive forms of water resource governance in the face of change and uncertainty.

The purpose of this exploratory descriptive study was to compare the length of time foster care children were spending in care two years prior to the passage of Senate Bill 611 and two years after the legislation took effect in one Northwest Georgia county, Floyd County. Length of time in care was also examined to determine if differences existed among age, reason for placement, and racial background. An interview was utilized to complete the Agency Protocol and Procedures instrument with the local county Director of the Department of Family and Children Services and the Floyd County Juvenile Court Judge. Findings indicated that new written policies are in place and extensive training has been completed in the Floyd County Department of Family and Children Services in relation to the changes associated with Georgia’s Senate Bill 611. A case study method was employed to complete the study of a sample size of forty children in foster care reviewed by the Citizen Review Panel of the Floyd County Juvenile Court. Descriptive and inferential statistics were used. Paired t-tests were conducted to determine if the mean length of time in foster care for children sampled differed prior to the passage of Georgia Senate Bill 611 from July 1, 1994 to June 30, 1996 as compared to after its passage and implementation for the period of July 1, 1996 to June 30, 1998. Non-significant results were found when comparing all children as a group. However, the average placement time from pre and post legislation was found to be 16 months. Similar results were found when making comparisons by age, racial background, and reason for primary placement. Almost all age, racial background, and primary reason for placement subgroups were found to show large reductions in mean length of time in foster care. However, when considering age subgroups, mean increases were actually found in the two youngest categories. Small numbers of children within subgroups and large variability may contribute to the non-significant results even though some large reductions in mean length of time were found.

En tant que géoscientifique dans le domaine de l’Exploration pétrolière et gazière depuis une vingtaine d’années, mes fonctions professionnelles m’ont permis d’effectuer différents travaux de recherche sur la thématique de la gestion des risques et des incertitudes. Ces travaux de recherche se situent sur l’ensemble de la chaîne d’analyse Exploration, traitant de problématiques liées à l’acquisition et au traitement sismique, jusqu’au placement optimal de forages d’exploration. Un volet plus poussé de mes travaux s’est orienté sur la gestion des incertitudes géophysiques en Exploration pétrolière, là où l’incertitude est la plus importante et paradoxalement la moins travaillée.On peut regrouper mes travaux de recherche en trois grands domaines qui suivent les grandes étapes du processus Exploration : le traitement sismique, leur interprétation, et enfin l'analyse et l'extraction des différentes incertitudes qui vont nous permettre de calculer les volumes d’hydrocarbures en place et récupérables, ainsi que l’analyse de ses risques associés. L’ensemble des travaux de recherche ont été appliqués avec succès sur des cas d’études opérationnelles. Après avoir introduit quelques notions générales et détaillé les grandes étapes du processus Exploration et leur lien direct avec ces problématiques, je présenterai quatre grands projets de recherche sur un cas d’étude algérien
In the last 20 years, I have been conducting various research projects focused on the management of risks and uncertainties in the petroleum exploration domain. The various research projects detailed in this thesis are dealing with problematics located throughout the whole Exploration and Production chain, from seismic acquisition and processing, until the optimal exploration to development wells placement. Focus is made on geophysical risks and uncertainties, where these problematics are the most pronounced and paradoxically the less worked in the industry. We can subdivide my research projects into tree main axes, which are following the hydrocarbon exploration process, namely: seismic processing, seismic interpretation thanks to the integration with various well informations, and eventually the analysis and extraction of key uncertainties, which will be the basis for the optimal calculation of in place and recoverable volumes, in addition to the associated risk analysis on a given target structure. The various research projects that are detailed in this thesis have been applied successfully on operational North Africa and North Sea projects. After introducing risks and uncertainty notions, we will detail the exploration process and the key links with these issues. I will then present four major research projects with their theoretical aspects and applied case study on an Algerian asset

The creation of an instructional genius hour framework for classroom implementation is an objective of this study. Currently, genius hour educators use a wide variety of frameworks. Some genius hour educators do not follow a set framework, yet others continually modify their genius hour frameworks. This study draws attention to the need to create an instructional framework for classroom implementation. This study was conducted through semi-structured interviews with five of the most respected genius hour educators. For the purposes of this study, each individual educator was treated as a separate case study. During the semi-structured interviews, genius hour educators shared their personal experience with implementing genius hour, their personal philosophies and ideas related to genius hour, their recommendations regarding genius hour implementation, and their recommendations regarding genius hour frameworks for classroom implementation. Moreover, this study also conducted two observations of genius hour classrooms in action. These classroom observations offered data related to genius hour educational philosophy and the need for a genius hour framework. This study recommends that educators use an instructional framework when implementing genius hour. A framework will have a positive effect on the performance of genius hour because of the added structure and clarity it provides for students and educators. It is recommended that educators choose a framework, and modify it in order to best serve the academic needs of their particular genius hour programme. This study moves beyond the genius hour framework by identifying major themes that genius hour educators should consider when implementing genius hour in the classrooms. Alongside the importance of the framework model, the common themes of front-loading, learning from failure, developing passion, and mentoring emerged from the interviews and observations. In essence, this study developed a framework model, game time, based around the importance of incorporating the aforementioned themes. The findings within this study offer an understanding of the importance of using a genius hour framework for classroom implementation. This study envisions that educators can use the research gathered in order to create an optimal genius hour framework for classroom implementation. This offers a framework for classroom implementation, which should be individualized in order to best suit the classroom specific needs.
Hierdie studie het die skepping van ʼn genie-uur-onderrigraamwerk vir klaskamer-implementering ten doel. Tans gebruik genie-uuropvoeders ’n wye verskeidenheid raamwerke. Sommige genie-uuropvoeders volg nie ’n vasgestelde raamwerk nie, terwyl andere voortdurend hul genie-uurraamwerke verander. Hierdie studie vestig aandag op die behoefte om ʼn onderrigraamwerk vir klaskamerimplementering te skep. Hierdie studie is uitgevoer deur middel van halfgestruktureerde onderhoude met vyf van die mees gerespekteerde genie-uuropvoeders. Vir die doeleindes van hierdie studie is elke individuele opvoeder as ’n afsonderlike gevallestudie behandel. Gedurende die halfgestruktureerde onderhoude het genie-uuropvoeders hul persoonlike ervarings van die inwerkingstelling van genie-uur, hul persoonlike filosofieë en idees oor genie-uur, hul aanbevelings vir genie-uurimplementering, en hul aanbevelings vir genie-uurraamwerke vir klaskamerimplementering gedeel. Verder het hierdie stude ook twee waarnemings van genie-uurklaskamers-in-aksie uitgevoer. Hierdie klaskamerwaarnemings het data in verband met genie-uuronderwysfilosofie en die behoefte aan ’n genie-uurraamwerk opgelewer. Hierdie studie beveel aan dat opvoeders ʼn onderrigraamwerk gebruik wanneer hulle genie-uur in werking stel. ’n Raamwerk sal ’n positiewe uitwerking op die uitvoering van genie-uur hê as gevolg van die bykomende struktuur en duidelikheid wat dit aan studente en opvoeders bied. Daar word aanbeveel dat opvoeders ’n raamwerk kies en dit aanpas ten einde die beste in die akademiese behoeftes van hul betrokke genie-uurprogram te voorsien. Hierdie studie beweeg verder as die genie-uurraamwerk deur belangrike temas te identifiseer wat genie-uuropvoeders kan oorweeg wanneer hulle genie-uur in die klaskamers in werking stel. Afgesien van die belangrikheid van die raamwerkmodel het die algemene temas van voorkantlading, leer uit mislukking, ontwikkeling van passie en leidinggewing uit die onderhoude en waarnemings na vore gekom. Hierdie studie het wesenlik ’n raamwerkmodel ontwikkel, genaamd speeltyd, wat gebaseer is op die belangrikheid daarvan om die voorgenoemde temas te inkorporeer. Die bevindings van hierdie studie bied ʼn begrip van die belangrikheid daarvan om ’n genie-uurraamwerk vir klaskamerimplementering te gebruik. Hierdie studie stel in die vooruitsig dat opvoeders die navorsing sal gebruik wat ingesamel is om ʼn optimale genie-uurraamwerk vir klaskamerimplementering te skep. Dit bied ’n raamwerk vir klaskamerimplementering, wat geïndividualiseer behoort te word om die beste in die spesifieke behoeftes van elke klaskamer te voorsien.
Ukwakhiwa kohlaka lokufundisa ngendlela ye-genius hour oluzosetshenziswa ekilasini yiyona njongo yalolu cwaningo. Njengamanje, othisha abalandela indlela yegenius hour basebenzisa izinhlobonhlobo zezinhlaka. Abanye othisha abalandela indlela yegenius hour abasebenzisi izinhlaka ezibekiwe, kodwa abanye bayaqhubeka nokulungisa izinhlaka zabo zegenius hour. Lolu cwaningo luveza isidingo sokwakhiwa kohlaka lokufundisa oluzosetshenziswa ekilasini. Lolu cwaningo lwaluqhutshwa ngokuxoxisana okuhleliwe nothisha abahlanu abahlonishwa kakhulu begenius hour. Ngokwenjongo yalolu cwaningo, uthisha ngamunye wayethathwa njengowahlukile kwabanye abasetshenziswe ocwaningweni. Ngenkathi kuqhubeka izingxoxo ezihleliwe, othisha begenius hour baxoxa ngabahlangabezana nakho uma beqalisa ukusebenzisa igenius hour, imigomo abayilandelayo kanye namasu ahambisana negenius hour, izincomo zabo mayelana negenius hour kanye nezincomo zabo ngezinhlaka zegenius hour ezizosetshenziswa ekilasini. Phezu kwalokho, lolu cwaningo luphinde lwabuka kusetshenziswa igenius hour kabili emakilasini ngenkathi eqhubeka. Lokhu kubhekwa kwamakilasi kwaveza imininingwane eqondene nemigomo yezemfundo yegenius hour kanye nesidingo sohlaka lwegenius hour. Lolu cwaningo luncoma ukuba othisha basebenzise uhlaka lokufundisa uma beqala ukusebenzisa igenius hour. Uhlaka luzoba nomphumela omuhle ekusebenzeni kwegenius hour, ngenxa yokwakheka okwengeziwe kanye nokucacisa, ihlinzekela abafundi nothisha. Kunconywa ukuba othisha bakhethe uhlaka, balulungise kahle ukuze luhambisane nezidingo zezemfundo zohlelo lwabo oluthile lwegenius hour. Lolu cwaningo luhamba ludlulele ngale kohlaka lwegenius hour ngokuhlonza izingqikithi okufanele othisha begenius hour bacabange ngazo uma beqala ukusebenzisa igenius hour emakilasini. Ngaphandle kokubaluleka kwesimo sohlaka, izingqikithi ezejwayelekile zokufundisa ngokuhlahla indlela, ukufunda ngokwehluleka kuqala, ukukhula kothando kanye nokwalusa kwavela ezingxoxweni nasekubukeni. Empeleni. lolu cwaningo selwakhe isimo sohlaka, isikhathi semidlalo, okuncike ekubalulekeni kokuhlanganisa lezi zingqikithi ezibaliwe. Okutholakele kulolu cwaningo kunikeza ukuqonda kokubaluleka kokusebenzisa uhlaka lwegenius hour ekilasini. Lolu cwaningo lubona ukuthi othisha bangasebenzisa imininingwane etholakale ocwaningweni ukwakha uhlaka lwegenius hour olusebenza kahle oluzosetshenziswa ekilasini. Lokhu kuhlinzeka uhlaka oluzosetshenziswa ekilasini, okumele lwenziwe lusebenzele umuntu ngamunye ukuze luhambisane kahle nezidingo zekilasi ngalinye.
Curriculum and Instructional Studies
D. Ed. (Curriculum and Instructional Studies)