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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
271

Logistikens aktörer - Tankar inför ett ämnesområdes fortsatta utveckling

Lindgren, John January 2003 (has links)
<p>The purpose of this study is to contribute to thedevelopment of the Logistics Management discipline. A motivefor the study is that I have found actors being very anonymousin the Logistics Management literature. I have found this to bein contrast to my practical experiences where actors are highlyessential. On the basis of an interview study and a literaturestudy I want to give some thoughts and ideas for thedevelopment of the discipline. The interview study wasconducted with 48 actors operating across a supply chain withindifferent business areas of a multinational Swedish company.The actors views of the organisation, problems associated withit and logistical variables were focused. In the literary studyI focused on fundamental ideas and characteristics. I alsofocused on scientific foundations and points of departure inLogistics Management research.</p><p>In the text I strive to view the world as sociallyconstructed and in my writing I have the effort to beinterpretative and reflective. With these points of departure Itry to use approaches seldom used in research within thelogistics management discipline.</p><p>In my work I present thoughts and ideas which are importantto notice with regard to the aim of the discipline to benormative and contribute to the development of one or manyorganisations. The first issue that I highlight is that in theinterview study it was apparent that there existed clusterswith different perspectives across the supply chain. Theseperspectives provided different sorts of understanding for theorganisation and problems associated with it. I found this tobe a reason for problems within the organisation. In theliterature, however, I found the insight about this is low ornot outspoken, which motivates further studies. As aconsequence of the different views and understanding, I noticedthat the interviewees put different meaning into concepts likecustomer focus and holistic vision. The different meaningseemed to be a reason for problems within the organisation.Since I regard the concepts as central and obvious within thediscipline, more attention could be given to the concepts andhow they are used. The interviewees also emphasised awell-functioning organisation and the importance ofimplementing solutions. Implementation issues could thereforebe highlighted to a larger extent, to elucidate obstacles andpossibilities for successful change management and to highlightproblems that need to be treated. In the interviews people andtheir behaviours were seen as central. Therefore human andtheir behaviours could be given more attention. Understandingfor people’s behaviour as a foundation for changemanagement processes could be emphasised even more. As aconsequence, I consider reference to other disciplinesnecessary to reach a higher understanding of these behaviours.Since the studied company was far from the best practicestudies that now dominate the area and the study has proven tobe fruitful, the discipline could strive to be more balancedand use other cases to elucidate problems and highlight theseproblems.</p><p>Some authors’opinions that other paradigms and viewsthan the ones dominating the discipline should be used todevelop it, has been strengthened by the study, especially withregard to paradigms and views with a focus on actors.</p>
272

Inter-functional collaboration between marketing and logistic functions : Study of improvement of inter functional collaboration through instruments, based on empirical research at Nivea Seoul ltd

Dorresteijn, Joop January 2009 (has links)
<p> </p><p><strong>Introduction</strong></p><p>The aim of the research is to understand collaboration between marketing and logistics, increasing knowledge about perceived barriers in organizations, in order to addressing functional silos in organizations by inter-functional collaboration as a solution. The author questions the advantages of inter-functional collaboration in the scope of organizational performance. The significance of this research is that collaboration is one of the remaining cost cutting advantages that are impeccable for organizations in the following decade.</p><p><strong>Purpose</strong></p><p>The purpose of the study is to understand collaboration between marketing and logistics department, focusing on the instruments that facilitate improved collaboration.</p><p><strong>Method</strong></p><p>The question of how collaboration in organizations takes place, the author used an inductive, qualitative approach to come up with a theoretical framework to improve collaboration. The author reflected on the history of both marketing and logistics functions in organizations and discussed the common responsibilities of the two. Then, the framework was set to study organizational performance in theory, and to aggregate and review possible methods - so called instruments - to improve collaboration within organizations. To accomplish this, the author listed the key instruments for collaboration purpose and defines the important instruments to perform the implementation of collaboration in organizations. Empirical information acquired with interview sessions with the CEO of Nivea Seoul ltd. Contributed to the validity of the concepts and extended the knowledge about instruments.</p><p><strong>Conclusion</strong></p><p>The outcome of theoretical research is that collaboration between marketing and logistics, 'logistics leverage' - positive result by planning, coordination and integration responsibility, and marketing intelligence seem to have positive relationship on organization performance. This implication increases the relevance of the study, the author argues that performance gains might also be observed with the key instruments for inter-functional collaboration facilitation, almost 20 were selected and placed in three categories The instruments under the categories can be used for future research or managers to understand collaboration better and could also provide a basis for empirical research in the future.</p>
273

Multi-item, single facility lot sizing problems

Cheah, Boon Soon January 1992 (has links)
No description available.
274

Development of a decision support system for partnership evaluation and the strategic management of supply chains

Li, Dong January 1999 (has links)
No description available.
275

A study of the Naval Construction Force project material supply chain

Stasick, Steven J. 06 1900 (has links)
The Naval Construction Force (NCF) performs construction projects in all areas of the world during both peacetime and war. While some of these projects occur in populated areas where project materials are readily available, many of these projects occur in remote areas or war zones, where project materials must be procured from the United States or elsewhere and shipped to the unit performing the construction. The construction scopes also vary from projects as small as concrete sidewalks to projects as large as full utility system installations, or complete facility and base construction. As a result of the diverse locations and project types that the Naval Construction Force experiences, the logistics of providing project material and construction equipment to multiple global locations is a major challenge. The Naval Construction Force still experiences delays and inefficiencies in supplying construction materials to its various projects and units deployed throughout the world, which in turn reduces the overall productivity of the deployed Construction Battalions. This research explores the current supply chain that the NCF has in place for obtaining construction project materials. It also explores the latest initiatives in information technology and construction supply chain management that are being applied in the commercial sector. The two systems are compared to determine what private practices and technologies can be applied to the Navy system to make it more efficient. Since the Navy is restricted by Federal Acquisition Regulations, and has unique funding streams authorized by Congress, it will not have the ability to fully operate as a private construction company, and these restrictions are addressed. The issue of outsourcing and privatization is also studied, and the feasibility of outsourcing the entire construction material process is considered.
276

Evaluation of logistics operation command and control capability optimization revisited

Ozkan, Recep. 06 1900 (has links)
Logistics Operations Command and Control Capability Concept (LOCCC), developed by Jeff Grelson in 2000, introduces a new distribution principle to combat elements. This concept employs a supporting logistics unit in a general support role and controls it by a unique command center in order to minimize the footprint left by logistics, improve logistic and tactical responsiveness, and reduce the "iron mountain" on the battlefield. This thesis revisits the mathematical models and algorithms developed by Major Thomas Lenhardt to model LOCCC. We preprocess the network topology in order to convert it into an equivalent, simplified network that is computationally tractable with the existing optimization model by using exact and heuristic algorithms. We show that the simplifications and enhancements we propose help us to obtain much faster and better quality solutions than using the original, non-simplified networks. For example, in a ten-minute run, we can obtain a solution that is 98% better in some cases. We also apply the model to a Turkish Infantry Brigade to evaluate LOCCC with sustainment requirements and transportation assets of the Turkish Army.
277

Implementation of simulator based continuation training for Swedish ATS-units / Implementering av simulatorbaserad kompetenssäkring för Svenska ATS-Enheter

Hansson, Alexander, Morän, Martin January 2017 (has links)
Inom flygbranschen är säkerhet av högsta prioritet och det vidtas proaktiva åtgärder inom samtliga organisationer och branschområden för att säkerställa att högsta möjliga nivå uppnås. För LFV som tillhandahåller flygtrafiktjänst och som även är en certifierad utbildningsorganisation är säkerställandet av kompetens inom den operativa driften en stor del i det ständigt pågående säkerhetsarbetet. Denna kompetenssäkring för operativ personal inom torn-sektorn är nu under utvärdering där målet är att skapa en centraliserad styr- och planeringsmodell för att uppnå en mer standardiserad och kontrollerad process. Detta förändringsarbete är en följd av införandet av EU-förordning 340/2015 som trädde i kraft under 2015, där kraven på kompetenssäkring blivit hårdare. En undersökning av huruvida kompetenssäkring kan utföras i en centraliserad simulerad miljö, för att kunna säkerställa de nya kraven i EU-förordning 340/2015, har genomförts och analyserats, baserad på åsikter från olika involverade flygplatsenheter, och genom att studera dansk modell för centraliserad kompetenssäkring. Fördelar och nackdelar med att centralisera och förflytta kompetenssäkringen till en simulerad miljö har utvärderats, och en heuristisk schemametodik och ett schemaförslag på hur den centraliserade simuleringen skulle kunna implementeras för de inblandade flygplatserna har tagits fram och analyserats. Studien visar att införandet av en centraliserad simulerad miljö för kompetenssäkring är möjlig med exempelvis ett mer enhetligt och standardiserat genomförande som  resultat. Vidare innebär det även större möjligheter till anpassningsbarhet av kompetenssäkringen. Schemaförslaget visar att samtliga enheters kompetenssäkringsbehov är tillgodosett. Fallstudien, analys samt schemaförslag anses kunna ligga till grund för vidare utveckling av kompetenssäkringsprocessen för LFV.
278

Supporting Strategic Decisions for Operational Changes through the use of Discrete Event Simulation : A Case Study in Production Scheduling at AstraZeneca

Ansari, Ali, Freiberg, Emanuel January 2017 (has links)
In recent years, market competitiveness exerts more pressure on process industries to increase their number of products, reduce order sizes and shorten delivery lead time. This causes an expansion of order enquiries from customers, which leads to an insufficient use of scheduling and planning systems to meet these changes. This force process industries to adopt other tools, such as Discrete Event Simulation for supporting their strategic decisions to align with these operational changes.   The objective of this thesis is to understand how Discrete Event Simulation supports strategic decisions prior to the implementation of operational changes in process industries. Therefore, a case study in the pharmaceutical industry was conducted at AstraZeneca, Södertälje. Discrete Event Simulation was used as a tool to support the strategic decision of implementing the Product Wheel technique as an operational change. Simultaneously, a theoretical review was carried out to investigate types of strategic decisions which can be supported by Discrete Event Simulation use in process industries. Then, contributions and challenges of Discrete Event Simulation use for supporting strategic decisions for operational changes were clarified.    The empirical results indicate the importance of Discrete Event Simulation in supporting deliverability as a competitive priority to AstraZeneca, followed by flexibility and cost as second and third competitive priorities. The analysis also identified the contribution of Discrete Event Simulation in supporting long-term decisions in the company by providing analytical solutions in different scenarios, dynamic visualization and increased knowledge about the simulated operational change. Additionally, two main challenges in the use of Discrete Event Simulation for supporting strategic decision are identified. First, Discrete Event Simulation was not suitable for supporting all kinds of competitive priorities such as quality, environment and innovation. Second, the direction of the communication between the Discrete Event Simulation use and the strategic decisions differs.      A framework is developed to facilitate the use of Discrete Event Simulation for supporting strategic decisions prior to implementing the Product Wheel technique as an operational change. This framework provides a guideline to identify the range of contributions from Discrete Event Simulation use for supporting different types of competitive priorities prior to the implementation of the Product Wheel method. Generally, Discrete Event Simulation could be a useful tool for supporting deliverability, cost and flexibility by implementing the Product Wheel technique, while it has a limited capability when dealing with other strategic decisions such as quality, innovation and environment.
279

Freight transportation - today and tomorrow : An in-depth look at logistics and traffic flow in Gothenburg and Shanghai

Thunberg, Emil, Lindqvist Ivarsson, Joel January 2016 (has links)
The project team has, on behalf of Autoliv Development AB, analyzed transport flow and logistics in Gothenburg and Shanghai as well as its effects on the society and environment. The project team looked in-depth at different logistics operations, which served as basis for different scenario simulations. Key points of interest in the simulation were traffic safety (including congestion and noise exposure), efficiency, cost and the environmental effect. Due to confidentiality, the original text has been removed. The text above gives a brief overview of different parts of the project.
280

The geometric correction and registration of airborne line-scanned imagery for temporal thermal studies

Gregory, Simon January 2001 (has links)
This thesis begins by providing a review of techniques for interpreting the thermal response at the earth's surface acquired using remote sensing technology. Historic limitations in the precision with which imagery acquired from airborne platforms can be geometrically corrected and co-registered has meant that relatively little work has been carried out examining the diurnal variation of surface temperature over wide regions. Although emerging remote sensing systems provide the potential to register temporal image data within satisfactory levels of accuracy, this technology is still not widely available and does not address the issue of historic data sets which cannot be rectified using conventional parametric approaches. In overcoming these problems, the second part of this thesis describes the development of an alternative approach for rectifying airborne line-scanned imagery. The underlying assumption that scan lines within the imagery are straight greatly reduces the number of ground control points required to describe the image geometry. Furthermore, the use of pattern matching procedures to identify geometric disparities between raw line-scanned imagery and corresponding aerial photography enables the correction procedure to be almost fully automated. By reconstructing the raw image data on a truly line-by-line basis, it is possible to register the airborne line-scanned imagery to the aerial photography with an average accuracy of better than one pixel. Providing corresponding aerial photography is available, this approach can be applied in the absence of platform altitude information allowing multi-temporal data sets to be corrected and registered.

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