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Dissertations / Theses on the topic 'Discrete production system'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Flores-García, Erik. "Supporting Production System Design Decisions through Discrete Event Simulation." Licentiate thesis, Mälardalens högskola, Inbyggda system, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-34800.

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Manufacturing companies are increasingly required to deal with and introduce significant changes in their production systems to gain a competitive advantage. The production system design process is widely considered a means of introducing such changes, and decisions made during design are viewed as critical to its characterization and performance. However, this presents a problem because committing to decisions that involve significant changes implies not only dealing with requirements, products, challenges, or expectations that are different from what currently exists, but also addressing unc

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2

Scheinman, David Eliot. "Discrete event simulation and production system design for Rockwell hardness test blocks." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55233.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 41).<br>The research focuses on increasing production volume and decreasing costs at a hardness test block manufacturer. A discrete event simulation model is created to investigate potential system wide improvements. Using the results from the simulation a production work-cell is proposed that will allow a single worker to operate 7 machines at a rate that exceeds existing production rates. This results in the workfo

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Lundstedt, Moa, and Sofie Hronek. "Förbättring av produktionsmiljö med hjälp av automation : Med Discrete Event Simulation som verktyg." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35743.

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In order to meet the expectations of today’s market and compete in the global world we live in, many companies are facing changes. A low cost production and high quality is not enough to be competitive. Companies must also satisfy the external customers’ claims, which to a great extent imply demands on an increased productivity. It is not enough to look to the external customers. The people working within the production system are the internal customers and the production system must be designed to suit their needs. Increased productivity can be stressful for operators, especially in the autom

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Etxagibel, Larrañaga Asier, and Julia Loschkin. "Reducing Uncertainty in Production System Design through Discrete Event Simulation : A case study at Volvo Construction Equipment." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-32251.

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In a market environment that is subject to continuous changes, companies need to adapttheir production systems in order to maintain the competitive edge. Current literatureshows that with a successful production system design, higher levels of output, eciencyand quality can be achieved.However, designing a production system is done infrequently and therefore tends tolack experience. As a result, design decisions have to be made under uncertainty due toa lack of information, structure and knowledge. In fact, the success of a design process isdirectly linked to the level of uncertainty.The purpo

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BURKHARDT, ELLEN. "Optimization and investment decisions of electrical motors’ production line using discrete event simulation." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280294.

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More dynamic markets, shorter product life cycles and comprehensive variant management are challenges that dominate today's market. These maxims apply to the automotive sector, which is currently highly exposed to trade wars, changing mobility patterns and the emergence of new technologies and competitors. To meet these challenges, this thesis presents the creation of a digital twin of an existing production line of electric motors using discrete event simulation. Based on a detailed literature research, a step-by-step establishment of the simulation model of the production line using the soft

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Venkateswaran, Jayendran. "PRODUCTION AND DISTRIBUTION PLANNING FOR DYNAMIC SUPPLY CHAINS USING MULTI-RESOLUTION HYBRID MODELS." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1185%5F1%5Fm.pdf&type=application/pdf.

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Лавров, Е. А., та Н. Л. Барченко. "Математические модели деятельности человека-оператора для управления качеством в дискретных производственных системах". Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/12606.

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Gerdin, Erik, and Rebecca Rifve. "Manufacturing System Improvement with Discrete Event Simulation : A case study with simulation applied to a manual manufacturing system." Thesis, Uppsala universitet, Industriell teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355451.

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Due to a global increase in competitiveness in manufacturing,companies strive to increase the effectiveness of their manufacturing systems. The new industrial revolution, Industry 4.0, is a consequence inmotion to aid in creating improved manufacturing systems. A common tool within Industry 4.0 is simulation, where one could simulate changes in a virtual representation of a real world system. Discrete Event Simulation (DES) is a tool that has been widely adopted within industries to test manufacturing system changes virtually before implementing them physically. However, there is a need to dis

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Antonsson, Arvid, and Gustaf Hermansson. "System analysis, improvement and visualisation of a manufacturing workflow, using discrete-event simulation : A combination of discrete-event simulation and lean manufacturing." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-16616.

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This project has been initiated in cooperation with a Swedish manufacturing company. Due to increased demand and competition, the company wants to streamline its production process, increase the degree of automation and visualize specific workflows. By creating a frame of reference and a literature review, a theoretical basis for methods and concepts which has been utilized throughout the project has been obtained. With the help of the identified methods and methodologies, a current state analysis was performed. Using traditional Lean tools such as Genchi genbutsu, Ishikawa diagram and a 5-why

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Jacot, Laurent. "Contribution à l'étude des systèmes à évènements discrets et des systèmes hybrides : théorie et mise en oeuvre des machines de Pétri." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0134.

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La these est organisee en trois parties: la partie i traite de la modelisation des systemes a evenements discrets et des systemes hybrides. Apres avoir presente une revue critique de la litterature relative a la modelisation des systemes a evenements discrets et des systemes hybrides, nous proposons une approche systemique de la modelisation des systemes a evenements discrets, approche que nous generalisons pour les systemes hybrides. La partie ii propose une reformulation de la theorie des reseaux de petri. L'idee de base est de considerer comme action atomique, non plus le tir d'une et une s

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Allab, Slimane. "Une analyse plurielle des interactions intra et inter-niveaux dans la gestion et la commande des systèmes de production." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0121.

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Ce travail traite de la gestion et de la commande de systemes de production manufacturiere, en mettant l'accent sur les interactions entre entites cooperant dans une prise de decision de qualite. L'objectif est l'amelioration de l'efficacite du systeme de decision a travers une augmentation de la flexibilite dynamique et une rationalisation de la prise de decision obtenue en delimitant les champs et protocoles d'action de chaque agent. Trois approches complementaires sont proposees : la premiere releve de la recherche operationnelle et conduit a l'elaboration d'un modele de gestion de producti

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Suerie, Christopher. "Time continuity in discrete time models : new approaches for production planning in process industries /." Berlin : Springer, 2005. http://dx.doi.org/10.1007/b138843.

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Aurelius, Gustaf, and Mattias Ingvarsson. "Simulation of Production Flow : A simulation-based approach to evaluate and optimize future production scenarios." Thesis, KTH, Industriell produktion, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254413.

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This master thesis is the last part of the master program Production Engineering and Management at the Royal Institute of Technology, KTH, in Stockholm. The thesis is conducted at Exeger Operations AB, in short Exeger. The company is in an expansion phase and wants to prepare for future production expansion. Thus, a simulation capability to test future production scenarios was desirable. The problem definition was defined by the company together with the authors and led to a literature study within simulation, TPS and Lean manufacturing. Following the literature study, a current state map was

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Andersen, Erik. "From Integral to Modular : A Case Study in Production System Development with a Simulation Perspective." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-49467.

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In the pursuit of excellence industrial companies are increasingly employing production system development to rationalize their processes. One such approach that has been employed to great extend in the automotive industry is that of introducing modularity to the product design. This shift from integral products to modular ones, is associated with a higher level of standardization of parts and processes. However, researchers are still mapping out this correlation. As the connection between modularity and the recorded effects is still up for discussion, still fewer studies have been made on how

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Vuoluterä, Fredrik, and Oliver Carlén. "Analysis of material flow and simulation-based optimization of transportation system : The combination of simulation and Lean to evaluate and design a transportation system." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-15974.

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The thesis has been performed in cooperation with a Swedish manufacturing company. The manufacturing site of the company is currently implementing a new machine layout in one of its workshops. The new layout will increase the product flow to another workshop on the site. The goal of the thesis was to evaluate the current transportation system and suggest viable alternatives for the future product flow. By means of discrete event simulation these alternative solutions would be modelled and subsequently optimized to determine if their performance is satisfactory. An approximated investment cost

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Hromková, Ivana. "Příspěvek k problematice redukce průběžných dob ve výrobních systémech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-239860.

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Presented PhD thesis aims at development of new methodologies and approaches to reduce lead times in production systems. Therefore the thesis examines in detail the design of new, more comprehensive approaches to shortening lead times. The dissertation describes the methodology of using these approaches in production systems, it is suggested their inclusion in the control structure of production and adequate managerial support for the successful application of these new approaches in the industry is developed. The first part summarizes current knowledge in the field of reducing lead times. The

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Söder, Erik, and Louise Horneman. "Develop competitive production systems by including sustainability at conceptual modeling." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-39760.

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In today’s market, sustainability has become an important competitive priority, affecting the way manufacturing companies need to develop their production systems. Increased external pressure from stakeholders, customers, law and regulations, as well as the undeniable consequences of the environmental crisis, causes a need for more sustainable production patterns. This affects manufacturing companies, since the social and environmental dimension of sustainability no longer can be ignored if companies want to retain their competitive position. Therefore, this thesis proposes a conceptual modeli

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Mirzaie, Shra Afroz. "A New Insight into Data Requirements Between Discrete Event Simulation and Industry 4.0 : A simulation-based case study in the automotive industry supporting operational decisions." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-42724.

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Current industrial companies are highly pressured by growing competitiveness and globalization, while striving for increased production effectiveness. Meanwhile, flustered markets and amplified customer demands are causing manufacturers to shift strategy. Hence, international companies are challenged to pursue changes, in order to continue being competitive on global markets. Consequently, a new industrial revolution has taken place, introduced as Industry 4.0. This new concept incorporates organizational improvement and digitalization of current information and data flows. Accomplished by dat

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Altrabulsy, Osama. "A Simulation-based Optimization Approach for Automated Vehicle Scheduling at Production Lines." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-18454.

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The world becomes more integrated and sophisticated, especially in the birth of advanced technologies, which have influenced all life aspects. Automated systems could be considered an example of those aspects, which have been affected by recent changes in today’s life. The competition in the market is putting increasing pressure on different manufacturing organizations to find the best methods that enable them to stay up to date with the latest technologies in the industrial field. One of the most famous dilemmas that exist in this field is designing an efficient and flexible material handling

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Dhanal, Avirat. "Design and Analysis of Material Handling System with Simulation-Based Optimization." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-16411.

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In today’s world, simulation and optimization are playing a vital role in reducing the time, cost and preserving resources. In manufacturing industries, there are ample amount of problems that go on with the expansion of the industry. In such cases, to tackle these problems simulation can be helpful to check whether any change in the current situation makes any effect on the current efficiency of the overall plant. In the presented case study, a solution to the problem of internal and external logistics has been designed by using simulation and optimization to improve part of a material flow o

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Reck, Raquel Hoffmann. "Proposta de método para integração da simulação de eventos discretos e visualização BIM 4D no projeto do sistema de produção." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/127908.

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Considerando o grande volume de obras, a necessidade de gerenciar inúmeras equipes, prazos reduzidos, alta repetitividade e a pequena margem de lucro de empreendimentos habitacionais de interesse social, tem crescido a importância projetar e simular os sistemas de produção de forma antecipada. A simulação de eventos discretos tem sido empregada como ferramenta de gestão para a análise de cenários alternativos em empreendimentos de construção, principalmente em trabalhos de cunho acadêmico. Entretanto, seu emprego tende a ser pouco explorado no projeto do sistema de produção de empreendimentos

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Camargo, Luís Felipe Riehs. "Proposição de um modelo baseado em Customer Lifetime Value para a análise de melhorias no sistema produtivo." Universidade do Vale do Rio do Sinos, 2009. http://www.repositorio.jesuita.org.br/handle/UNISINOS/2347.

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Made available in DSpace on 2015-03-05T17:04:36Z (GMT). No. of bitstreams: 0 Previous issue date: 20<br>Nenhuma<br>Esta pesquisa propõe um método e um modelo matemático fundamentado na métrica Customer Lifetime Value para analisar conjuntamente as preferências e percepções dos consumidores, a relação destas preferências com o sistema de produção e potenciais ações de melhorias no processo produtivo. O método de pesquisa empregado apresenta três fases, a primeira explora a literatura na busca de elementos relevantes ao objetivo proposto. A segunda fase propõe o modelo matemático e o método

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Lampérière-Couffin, Sandrine. "De la vérification de cahiers des charges de systèmes à évènements discrets à la validation des spécifications décrites en Grafcet." Cachan, Ecole normale supérieure, 1998. http://www.theses.fr/1998DENS0009.

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Les étapes de rédaction du cahier des charges et de spécification sont cruciales pour la sûreté de fonctionnement des systèmes automatises de production. Dans ce cadre, nous proposons une méthode permettant de couvrir les phases allant de la vérification du cahier des charges à la validation des spécifications. En particulier, l'approche que nous proposons pour la vérification et la validation formelles de spécifications de systèmes logiques à événements discrets repose sur une formalisation algébrique du cahier des charges et du grafcet de spécification. Nous utilisons un modèle algébrique ba

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Dasci, Abdullah. "Discrete and continuous models for production-distribution systems." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=37625.

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This thesis presents a series of integrated models for simultaneous optimization of location, capacity, product range, and production technology decisions in production-distribution systems. The interactions between these decisions can be significant. This thesis draws its motivation from these interactions. In order to benefit from the capital and/or employment subsidies, preferential tax rates, and free trade zones provided by governments, firms need to take the interdependencies between their location, capacity and technology decisions into account. These decisions could be further complica

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He, Zhou. "Performance optimization of a class of deterministic timed Petri nets : weighted marked graphs." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0166/document.

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Au cours des dernières décennies, la complexité croissante des systèmes de production et de leur commande a rendu crucial le besoin d’utiliser les méthodes formelles pour faire face aux problèmes relatifs au contrôle, à la fiabilité, au diagnostic des fautes et à l’utilisation optimale des ressources dans les installations de production. Cela concerne en particulier les systèmes automatisés de production (SAP), caractérisés par des cycles technologiques complexes qui doivent s’adapter à des conditions changeantes. Les SAP modernes sont des sous-systèmes interconnectés tels que des machines à c

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Kano, Célia Hanako. "Modelagem e análise das cadeias de suprimentos globais e resilientes baseadas em rede de Petri." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3152/tde-16062016-144200/.

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Em um cenário de aumento de competitividade, crescente expectativa por inovações do produto e necessidade de atender diferentes perfis de consumidores, o conceito de gerenciamento de cadeias de suprimentos globais (GSCM) surge como uma estratégia para coordenar mais eficazmente as atividades dispersas geograficamente dos sistemas produtivos. Na adoção do GSCM, as organizações devem lidar com rupturas que impactam no gerenciamento das suas atividades, tais como a interrupção de vias de transporte, pane no fornecimento de energia, desastres naturais e até ataques terroristas. Nesse contexto, o t

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Nowak, Thomas, and Vera Hofer. "On stabilizing volatile product returns." Elsevier, 2014. http://epub.wu.ac.at/4127/1/Nowak.pdf.

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As input ows of secondary raw materials show high volatility and tend to behave in a chaotic way, the identification of the main drivers of the dynamic behavior of returns plays a crucial role. Based on a stylized productionrecycling system consisting of a set of nonlinear difference equations, we explicitly derive parameter constellations where the system will or will not converge to its equilibrium. Using a constant elasticity of substitution production function, the model is then extended to enable coverage of real world situations. Using waste paper as a reference raw material, we empir

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Matsusaki, Cristina Toshie Motohashi. "Modelagem de sistemas de controle distribuídos e colaborativos de sistemas produtivos." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-20122004-112454/.

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O rápido avanço tecnológico nestes últimos anos, principalmente dos recursos computacionais e de comunicação, permite que os sistemas produtivos (SP) evoluam tanto no seu aspecto estrutural quanto no comportamental para que atendam às necessidades crescentes do mercado. Os elementos integrantes dos SP vêm incorporando estes avanços, atingindo maior autonomia e flexibilidade p ara cumprir suas funcionalidades. Além disso, a tendência dos dispositivos de controle de incorporar a capacidade de atuação em ambientes distribuídos onde a interação ocorre através de redes de comunicação, verificada na

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Narayanan, Sundaram. "Design and development of an object-oriented architecture for modeling and simulation of discrete-part manufacturing systems." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/24374.

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Louw, Louis. "Protective capacity and time buffer design in theory of constraints controlled discrete flow production systems." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/49782.

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Thesis (PhD)--Stellenbosch University, 2005.<br>ENGLISH ABSTRACT: To maximise the throughput of a production system the capacity constrained resource needs to be protected from variation and uncertainty. In the Theory of Constraints philosophy such protection is provided by means of time buffers and protective capacity. Time buffers are protective time that is allowed in the production schedule to buffer against disruptions, whereas protective capacity is defined as a given amount of extra capacity at non-constraints above the system constraint's capacity. In this research an analytical p

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Ben, Rabah Nourhène. "APPROCHE INTELLIGENTE À BASE DE RAISONNEMENT À PARTIR DE CAS POUR LE DIAGNOSTIC EN LIGNE DES SYSTÈMES AUTOMATISÉS DE PRODUCTION." Thesis, Reims, 2018. http://www.theses.fr/2018REIMS036/document.

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Les systèmes automatisés de production (SAP) représentent une classe importante des systèmes industriels qui sont de plus en plus complexes vue le grand nombre d’interaction et d’interconnexion entre leurs différents composants. En conséquence, ils sont plus sensibles aux dysfonctionnements dont les conséquences peuvent être importantes en termes de productivité, de sécurité et de qualité de production. Un défi majeur est alors de développer une approche intelligente qui peut être utilisée pour le diagnostic de ces systèmes afin de garantir leurs suretés de fonctionnement. Dans le cadre de cet

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Tipi, Nicoleta-Steluta. "Evaluation of on-line scheduling and heuristic control for production and supply chain systems using discrete event simulation." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340133.

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Ansari, Ali, and Emanuel Freiberg. "Supporting Strategic Decisions for Operational Changes through the use of Discrete Event Simulation : A Case Study in Production Scheduling at AstraZeneca." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35569.

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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

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Telander, Andreas, and Jessica Fahlgren. "Building a new production line : Problems, pitfalls and how to gain social sustainability." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-11370.

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This thesis has been performed in collaboration with Volvo Cars Engine in Skövde, Sweden and Zhangjia-kou, China in order to receive a bachelor degree in automation engineering from the University of Skövde. The project focuses on analyzing the capacity of a future production line by using discrete event simulation. The production line is built in two different discrete event simulation software, FACTS analyzer and Plant Simulation. The focus of the study will be to compare the output results from the two software in order to give recommendations for which software to use in similar cases. Thi

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Rousseau, Hélène. "Une approche par la théorie du chaos pour l'analyse des flux dans un système de production." Grenoble INPG, 2000. http://www.theses.fr/2000INPG0054.

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Les systemes chaotiques sont des systemes deterministes presentant un comportement tellement complexe qu'il parait etre du au hasard. Ainsi, la theorie du chaos remet en cause la demarche classique de modelisation puisqu'on peut aujourd'hui utiliser des modeles deterministes pour decrire des systemes complexes. Cette nouvelle vision d'un monde deterministe, mais que l'on ne peut pas prevoir, provoque un veritable engouement dans le monde scientifique, et tres rapidement dans tous les domaines, on cherche des applications. Pour les systemes de production, les premiers travaux apparaissent des 1

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Chuah, Keng Hoo. "OPTIMIZATION AND SIMULATION OF JUST-IN-TIME SUPPLY PICKUP AND DELIVERY SYSTEMS." UKnowledge, 2004. http://uknowledge.uky.edu/gradschool_diss/384.

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A just-in-time supply pickup and delivery system (JSS) manages the logistic operations between a manufacturing plant and its suppliers by controlling the sequence, timing, and frequency of container pickups and parts deliveries, thereby coordinating internal conveyance, external conveyance, and the operation of cross-docking facilities. The system is important to just-in-time production lines that maintain small inventories. This research studies the logistics, supply chain, and production control of JSS. First, a new meta-heuristics approach (taboo search) is developed to solve a general freq

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Himmiche, Sara. "Ordonnancement sous perturbations : cadre d'étude et approche d'évaluation de la robustesse par automates stochastiques." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0177.

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L’objectif principal de cette thèse est de proposer une approche permettant de considérer les perturbations dans le cadre d’un problème d’ordonnancement de la production. L’approche proposée permet de mettre l’accent sur l’importance de l’évaluation de la performance d’un ordonnancement dans un cadre perturbé. L’ordonnancement de la production est un problème important et commun au monde de l’industrie et de la recherche scientifique. Dans le but de proposer des solutions d’ordonnancement, les méthodes proposées proposent des ordonnancements optimaux permettant de minimiser ou maximiser un cri

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Tahiri, Imane. "Contribution à la conception d'une commande reconfigurable et tolérante aux fautes pour les Systèmes Automatisés de Production." Thesis, Reims, 2020. http://www.theses.fr/2020REIMS008.

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Les travaux présentés dans ce mémoire de thèse entrent dans le cadre de la reconfiguration de la commande des systèmes automatisés de production (SAP) vus comme une classe de Systèmes à Evénements Discrets (SED). La reconfiguration est basée sur la théorie de contrôle par supervision (SCT) et déclenchée suite à une détection des défauts sur la partie opérative (commande tolérante aux fautes). La contribution de ce mémoire est basée sur une synthèse de contrôle sûre fondée sur des propriétés temporisées. Si un défaut de capteur est détecté, le contrôleur du comportement normal est reconfiguré e

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Bolatli, Yurtseven. "Utility Analysis And Computer Simulation Of Rfid Technologies In The Supply Chain Applications Of Production Systems." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611261/index.pdf.

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In this thesis, the feasibility of deploying RFID technologies in the case of &ldquo<br>lowvolume high-value&rdquo<br>products is considered by focusing on the production processes of a real company. First, the processes of the company are examined and associated problems are determined. Accordingly, a simulation of the current situation is constructed by using the discrete event simulation technique, in order to obtain an accurate model. In addition to modeling the current situation, this simulation model provides a flexible platform to analyze different scenarios and their effects on the com

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Lins, Rômulo Gonçalves. "Melhorias nos processos de gestão e fabricação de uma indústria metalmecânica utilizando redes de petri auxiliada por simulação discreta." Universidade de Taubaté, 2008. http://www.bdtd.unitau.br/tedesimplificado/tde_busca/arquivo.php?codArquivo=363.

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O gerenciamento de projetos assume um papel cada vez mais importante nas atividades empresariais. Os projetos têm papel importante na sobrevivência da empresa. Assim, uma sistemática eficiente para o gerenciamento de seus projetos atenderá aos padrões do mercado na questão de custos e prazo. A eficiência dos sistemas produtivos também tem grande importância. Neste cenário as empresas devem possuir uma sistemática eficiente para a otimização do sistema produtivo a fim de obter-se um sistema eficaz. O presente trabalho traz duas propostas para melhoria destes problemas, o primeiro é o desenvolvi

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Silva, Allan Rodrigues da. "Um método de análise de cenários para sequenciamento da produção usando lógica nebulosa." Universidade Federal de São Carlos, 2005. https://repositorio.ufscar.br/handle/ufscar/620.

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Made available in DSpace on 2016-06-02T19:06:27Z (GMT). No. of bitstreams: 1 DissARS.pdf: 1479466 bytes, checksum: b0e4db694de6cc642354b502d3f9187f (MD5) Previous issue date: 2005-05-31<br>Universidade Federal de Sao Carlos<br>Production planning in automated manufacturing environments is a complex task which comprehends, among other activities, the production sequencing. One of the techniques used to determine the best production sequencing is the simulation. All possible sequences can be simulated and, right after that, the sequences with the best performance are verified, according to som

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Baumann, Marion [Verfasser], and K. [Akademischer Betreuer] Furmans. "Discrete Time Analysis of Multi-Queue Systems with Multiple Departure Streams in Material Handling and Production under Different Service Rules / Marion Baumann ; Betreuer: K. Furmans." Karlsruhe : KIT Scientific Publishing, 2019. http://d-nb.info/1202111920/34.

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Simeonovová, Ivana. "Řizení průběhu zakázky organizací." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2011. http://www.nusl.cz/ntk/nusl-223058.

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The diploma thesis focuses on the manufacturing order management in company. It contains examples of production systems and their analysis for optimization. During the optimization are monitored major criteria, for example: increase of production rate, resource utilization, and so on. The result of this work is a proposed solutionarising from the outputs of optimization the manufacturing system.

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Hromková, Ivana. "Řizení průběhu zakázky organizací." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2011. http://www.nusl.cz/ntk/nusl-223058.

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The diploma thesis focuses on the manufacturing order management in company. It contains examples of production systems and their analysis for optimization. During the optimization are monitored major criteria, for example: increase of production rate, resource utilization, and so on. The result of this work is a proposed solutionarising from the outputs of optimization the manufacturing system.

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Benda, Peter Josef. "Extending the preventive engineering paradigm to the analysis and design of discrete product manufacturing systems, the role of functional integration in the production of social and psychological outputs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ29423.pdf.

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Azouz, Nesrine. "Approches intelligentes pour le pilotage adaptatif des systèmes en flux tirés dans le contexte de l'industrie 4.0." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAC028/document.

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De nos jours, de nombreux systèmes de production sont gérés en flux « tirés » et utilisent des méthodes basées sur des « cartes », comme : Kanban, ConWIP, COBACABANA, etc. Malgré leur simplicité et leur efficacité, ces méthodes ne sont pas adaptées lorsque la production n’est pas stable et que la demande du client varie. Dans de tels cas, les systèmes de production doivent donc adapter la tension de leur flux tout au long du processus de fabrication. Pour ce faire, il faut déterminer comment ajuster dynamiquement le nombre de cartes (ou de ‘e-card’) en fonction du contexte. Malheureusement, ce

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Baker, Eric S. "Analyzing manufacturing system changes using discrete event simulation /." 2002. http://hdl.handle.net/1957/14920.

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Lai, Yu-tung, and 賴昱彤. "The use of discrete-event simulation and lean methodologies in solving variable unit-load production system-A case study of fishing nets production." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/93843341850443056120.

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碩士<br>國立成功大學<br>製造工程研究所碩博士班<br>96<br>The final purpose of the lean production system is to satisfy customer's needs. Therefore, the flexible of production lines becomes a critical issue after production pattern has been changed from mass production to small-volume with large variety production. The manufacturing system of lean production is using management methods to survey the waste of production lines, to execute some kinds of improvability actions of reducing the cost, and to elevate productivity and quality to support various customization productions. By using lean production system, ind

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Chen, Hong Ru, and 陳弘儒. "The Multiple Lot-sizing Problem of a Two-stage Production System with Interrupted Geometric and Discrete Uniform Yields." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/zjvtt3.

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Morais, Raul Felgueiras de. "Simulação de fluxos de energia em sistemas produtivos utilizando o Simul8: aplicação ao caso particular dos agregados de alcatrão." Master's thesis, 2015. http://hdl.handle.net/10316/39074.

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Dissertação de Mestrado em Engenharia e Gestão Industrial apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>A simulação é uma ferramenta que pode ser usada para analisar consumos energéticos num sistema de produção. O objetivo desta dissertação concretiza-se na abordagem da problemática de forma a estudar os consumos energéticos usando um software de simulação de operações – o Simul8. A abordagem foi feita tendo em conta o facto de o software Simul8 não considerar aspetos energéticos, pelo que foi necessário estudar uma forma de conseguir usar as potencialida

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