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Author: Ricki Gene Ingalls
Publisher:
ISBN:
Category : Production management
Languages : en
Pages : 246
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Book Description
Author: Ricki Gene Ingalls
Publisher:
ISBN:
Category : Production management
Languages : en
Pages : 246
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Book Description
Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1468451979
Category : Science
Languages : en
Pages : 407
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Wayne J. Davis
Publisher: Forgotten Books
ISBN: 9780265910184
Category : Mathematics
Languages : en
Pages : 26
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Book Description
Excerpt from Real-Time Simulation and Production Scheduling Systems Flexible Manufacturing Systems (fms) have been installed in numerous factories around the world. Production scheduling is the function responsible for assigning fms resources to various manufacturing tasks. Efficient use of these resources is critical to a company's goal of increased profits. In fact, poor scheduling decisions tend to reduce profits because they increase idle time on machines, cause bottlenecks on the shop floor, and push customer orders past their due date. Mathematical programming approaches to solving the scheduling problem have received considerable attention in the literature. Graves [gra81] and Raman [ram85] have provided excellent surveys on these techniques. However, these techniques tend to have prohibitive computational requirements and restrictive assumptions. Another major drawback to these approaches is that they typically do not include material handling constraints. Discrete event simulation, expert systems, and other heuristics [mil86, nor86, jac86] are other methods used to generate schedules. While simulation and expert systems packages allow the manufacturing system to be modelled to any level of detail, they still have unacceptable computational requirements. In addition, all of these methods generate feasible solutions with no measure of optimality. These undesirable properties tend to limit the applicability of all these approaches in a real fms environment. There are two other major drawbacks to all of the aforementioned approaches. First, they are all run off-line usually once or twice a day. Consequently, they are not able to respond quickly to unexpected events in the fms. These events are usually handled on an ad hoc basis by the fms supervisor with little understanding of the impact of his decisions on the overall schedule. Second, they do not take advantage of the vast amount of real-time shop floor data provided by fms computer systems. Davis and Jones [dav88] have proposed an algorithm for real time production scheduling (see Figure l). The algorithm first selects R candidate scheduling alternatives and L performance indices to be used in evaluating those alternatives. Both selections based on actual shop floor data and are subject to continuous modification as the system evolves over time. Oh-line, concurrent, Monte Carlo simulations are run, in real - time, to evaluate the performance of these rules. This type of simulation analysis introduces four problems which typically are not addressed in the simulation literature. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: F. Archetti
Publisher: Springer
ISBN: 9783709126547
Category : Business & Economics
Languages : en
Pages : 0
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Book Description
This volume aims at giving an updated account of the most relevant issues in the area of Flexible Manufacturing Systems with special emphasis to the problems of Simulation, Modelling, Planning, Scheduling, Economical Evaluation. A tutorial description of these topics is provided from the perspective of Operations Research. Both stochastic and deterministic models are taken into consideration and real world applications are considered. An annotated bibliography is provided at the end of the volume. Contributions: Akella: Real time part dispatch in flexible assembly, test and manufacturing systems; Arbib, Lucertini, Nicolò: Optimization models for FMS; Archetti, Sciomachen: Development, analysis and simulation of Petri net models: an application to AGV systems; Buzacott: Flexible models of FMS, and Modelling FMS; Filippini, Rovetta: Economic aspects in factory automation in relation to system flexibility; Fishman: Statistical considerations in the simulation of FMS; Jovane: Flexible automation, a need for industry - a challenge for research; Maione, Fanti, Turchiano: Large scale Markov chain modelling of transfer lines; Romanin-Jacur: FMS queueing network. Models theory and applications; Serafini, Ukovich, Kirchner, Giardina, Tiozzo: Job shop scheduling, a case study; Taylor: Advanced robotics in FMS; Villa: Hierarchical architectures for production planning and control; Deserti, Giraldo: FMS, a classification of recent literature.
Author: MengChu Zhou
Publisher: World Scientific
ISBN: 9789810230296
Category : Technology & Engineering
Languages : en
Pages : 432
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Book Description
One critical barrier leading to successful implementation of flexible manufacturing and related automated systems is the ever-increasing complexity of their modeling, analysis, simulation, and control. Research and development over the last three decades has provided new theory and graphical tools based on Petri nets and related concepts for the design of such systems. The purpose of this book is to introduce a set of Petri-net-based tools and methods to address a variety of problems associated with the design and implementation of flexible manufacturing systems (FMSs), with several implementation examples.There are three ways this book will directly benefit readers. First, the book will allow engineers and managers who are responsible for the design and implementation of modern manufacturing systems to evaluate Petri nets for applications in their work. Second, it will provide sufficient breadth and depth to allow development of Petri-net-based industrial applications. Third, it will allow the basic Petri net material to be taught to industrial practitioners, students, and academic researchers much more efficiently. This will foster further research and applications of Petri nets in aiding the successful implementation of advanced manufacturing systems.
Author:
Publisher:
ISBN:
Category : Computer integrated manufacturing systems
Languages : en
Pages : 398
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Book Description
Author: Gurmit Kaur Aulakh
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Kurapati Venkatesh
Publisher: World Scientific
ISBN: 9814497789
Category : Technology & Engineering
Languages : en
Pages : 429
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Book Description
One critical barrier leading to successful implementation of flexible manufacturing and related automated systems is the ever-increasing complexity of their modeling, analysis, simulation, and control. Research and development over the last three decades has provided new theory and graphical tools based on Petri nets and related concepts for the design of such systems. The purpose of this book is to introduce a set of Petri-net-based tools and methods to address a variety of problems associated with the design and implementation of flexible manufacturing systems (FMSs), with several implementation examples.There are three ways this book will directly benefit readers. First, the book will allow engineers and managers who are responsible for the design and implementation of modern manufacturing systems to evaluate Petri nets for applications in their work. Second, it will provide sufficient breadth and depth to allow development of Petri-net-based industrial applications. Third, it will allow the basic Petri net material to be taught to industrial practitioners, students, and academic researchers much more efficiently. This will foster further research and applications of Petri nets in aiding the successful implementation of advanced manufacturing systems.
Author: Thiruvengadam Ravi
Publisher:
ISBN: 9780315352803
Category :
Languages : en
Pages : 364
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Book Description
Author: JooHee Kim
Publisher:
ISBN:
Category : Expert systems (Computer science)
Languages : en
Pages : 284
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Book Description
Expert systems have been suggested as a solution for difficult problems, including FMS scheduling. As one of the aspects of artificial intelligence (AI), expert systems have achieved considerable success in recent years in medical science, chemistry, and engineering. However, building an expert system is a difficult task, the most crucial problem being that of knowledge acquisition. Obtaining expert knowledge is a difficult and time-consuming process. Moreover, since FMSs represent a relatively new technology, experts capable of FMS planning and scheduling are generally unavailable. One possible solution for this problem is to train a non-expert operator, allow the operator to practice with a simulated system and accumulate experience, and then build an expert system using the newly acquired knowledge. To this end, an interactive graphic simulation method for the effective utilization of human pattern-recognition ability is proposed. Once the required knowledge is elicited through an interactive graphic simulation model, an expert system is developed from acquired rules. The method includes an FMS simulation model, a Gantt chart-based schedule, a simulator, an expert system, and a human operator. First, an initial schedule is simulated, utilizing the expert system to determine the loading sequence and a dispatching rule. The schedule is then updated by an expert system and/or human operator with the capability of maximizing schedule objectives, while at the same time saving reasons for changes as new production rules, which are subsequently generalized and added to the expert system knowledge base. The system is implemented in Smalltalk/V on an IBM PC/AT and the implementation is based upon a detailed sample problem. It was determined that a human operator can obtain near-optimum schedules in short time periods, at the same time gaining valuable experience in use of the scheduling process. Furthermore, it was determined that this model can be a useful training device for inexperienced operators and a time-saving decision-making aid for expert schedulers.
