Modelling And Optimal Control Of Production Systems Subject To Condition Monitoring
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Modelling And Optimal Control Of Production Systems Subject To Condition Monitoring
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Author : Leila Jafari
language : en
Publisher:
Release Date : 2017
Modelling And Optimal Control Of Production Systems Subject To Condition Monitoring written by Leila Jafari and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Modern manufacturing aims at reduction of inventories and safety stocks and, simultaneously, it is important to avoid shortages caused by production systems' failures. The economic manufacturing quantity (EMQ) models have been developed to address these objectives. Most previous research in the joint optimization of production and maintenance policies considered only the machine age or usage time, and do not incorporate condition monitoring (CM) information for decision making. This research presents new models for the joint optimization of CBM and lot sizing, depending on the nature of the collected data through CM, whether it is fully or partially observable. The former case is incorporated in the EMQ problem using proportional hazards model. The hazard rate of the machine is monitored at the end of each production run. When it exceeds the critical level, then preventive maintenance is performed. The corrective maintenance is carried out upon failure. The PH model is extended to multi-unit systems, where one unit is the core part of the system, subject to CM, and only age information of the second unit is available. The other units are adjusted or replaced when the system is maintained. The objective is to find an optimal opportunistic maintenance policy minimizing the long-run expected average cost per unit time. The joint optimization of EMQ and CBM is investigated for a partially observable deteriorating system subject to random failure using Bayesian control techniques. The posterior probability that the process operates in the unhealthy condition is updated at the end of each production run. When this statistic crosses the control limit, then full inspection is performed followed possibly by preventive maintenance. The objective is to find the optimal production and maintenance policy minimizing the long-run expected average cost. To get new insights into the value of CBM programs, we extend the model considering a two-unit series system to a more complex system. We also develop an optimal production and maintenance policy considering stochastic demand and introducing the safety stock. The optimization problem is formulated in the semi-Markov decision process framework and Markov renewal theory. The methodologies are illustrated with numerical examples using simulated and real data.
Modeling And Optimal Control Of Deteriorating Production Processes
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Author : Huamin Liu
language : en
Publisher:
Release Date : 1997
Modeling And Optimal Control Of Deteriorating Production Processes written by Huamin Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Most systems in the real world are subject to deterioration. Modeling and optimal control of deteriorating production processes such as tool wear and tool failure have been important research areas. When (1) the operating conditions of the deteriorating systems vary (deterministically or stochastically), or (2) the deteriorating processes are non-homogeneous (characterized by increasing mean and increasing variance), or (3) if we want to incorporate the information representing the operating conditions of the deteriorating systems from condition monitoring such as vibration signals into the model, the problem becomes more complicated. This thesis attempts to solve part of the above problems. It focuses on the study and modeling of cutting tool reliability, non-homogeneous tool wear process, cutting tool replacement decision making and operations sequencing when the cutting tools operate in either homogeneous or varying production conditions, and the reliability modeling of the load-sharing 1-out-of-2 systems (with arbitrary failure time distribution for each sub-system). The techniques of proportional hazard modeling and accelerated failure time modeling have been used to incorporate the covariates representing the operating conditions (both internal and external) into the reliability modeling. The random coefficient regression model is used to model the non-homogeneous tool wear process. For each model, we will attempt to provide complete information in solving the problem including detailed engineering background, model development, maximum likelihood estimation procedures for the unknown parameters, numerical procedures, and numerical examples.
Proceedings
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Author : Institute of Electrical and Electronics Engineers
language : en
Publisher:
Release Date : 2002
Proceedings written by Institute of Electrical and Electronics Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
Peterson S Graduate Programs In Engineering And Applied Sciences 1996
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Author : Peterson's Guides
language : en
Publisher: Peterson Nelnet Company
Release Date : 1995-12-10
Peterson S Graduate Programs In Engineering And Applied Sciences 1996 written by Peterson's Guides and has been published by Peterson Nelnet Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-12-10 with Reference categories.
Graduate students depend on this series and ask for it by name. Why? For over 30 years, it's been the only one-stop source that supplies all of their information needs. The new editions of this six-volume set contain the most comprehensive information available on more than 1,500 colleges offering over 31,000 master's, doctoral, and professional-degree programs in more than 350 disciplines.New for 1997 -- Non-degree-granting research centers, institutes, and training programs that are part of a graduate degree program.Five discipline-specific volumes detail entrance and program requirements, deadlines, costs, contacts, and special options, such as distance learning, for each program, if available. Each Guide features "The Graduate Adviser", which discusses entrance exams, financial aid, accreditation, and more.Interest in these fields has never been higher! And this is the source to the 3,400 programs currently available -- from bioengineering and computer science to construction management.
Proceedings Of 5th International Conference On The Industry 4 0 Model For Advanced Manufacturing
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Author : Lihui Wang
language : en
Publisher: Springer Nature
Release Date : 2020-05-15
Proceedings Of 5th International Conference On The Industry 4 0 Model For Advanced Manufacturing written by Lihui Wang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-15 with Technology & Engineering categories.
This book gathers the proceedings of the 5th International Conference on the Industry 4.0 Model for Advanced Manufacturing (AMP 2020), held in Belgrade, Serbia, on 1–4 June 2020. The event marks the latest in a series of high-level conferences that bring together experts from academia and industry to exchange knowledge, ideas, experiences, research findings, and information in the field of manufacturing. The book addresses a wide range of topics, including: design of smart and intelligent products, developments in CAD/CAM technologies, rapid prototyping and reverse engineering, multistage manufacturing processes, manufacturing automation in the Industry 4.0 model, cloud-based products, and cyber-physical and reconfigurable manufacturing systems. By providing updates on key issues and highlighting recent advances in manufacturing engineering and technologies, the book supports the transfer of vital knowledge to the next generation of academics and practitioners. Further, it will appeal to anyone working or conducting research in this rapidly evolving field.
Non Destructive Testing And Condition Monitoring Techniques In Wind Energy
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Author : Fausto Pedro Garcia Marquez
language : en
Publisher: Elsevier
Release Date : 2023-06-24
Non Destructive Testing And Condition Monitoring Techniques In Wind Energy written by Fausto Pedro Garcia Marquez and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-24 with Technology & Engineering categories.
Non-Destructive Testing and Condition Monitoring Techniques in Wind Energy looks at the complex and critical components of energy assets and the importance of inspection and maintenance to ensure their high availability and uninterrupted operation. Presenting the main concepts, state-of-the-art advances and case studies, this book approaches the topic by considering it as an integral part of the overall operation of any wind energy project. Linking the essential NDT subject with its sub disciplines, the book uses computational techniques, dynamic analysis, probabilistic methods, and mathematical optimization techniques to support analysis of prognostic problems with defined constraints and requirements. This book is the first of its kind and will provide useful insights to industrial engineers and scientists, academics and students in the possibilities that NDT and condition monitoring technologies can offer. Presents advances in Non-Destructive Techniques and Condition Monitoring Systems applied in the energy industry Provides case studies in Fault Detection and Diagnosis and Prognosis for critical variability Offers technical maintenance actions for the observation and analyses of inspection, monitoring, testing, diagnosis, prognosis and active maintenance actions in wind
Advances In Condition Monitoring Optimization And Control For Complex Industrial Processes
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Author : Zhiwei Gao
language : en
Publisher: MDPI
Release Date : 2021-09-01
Advances In Condition Monitoring Optimization And Control For Complex Industrial Processes written by Zhiwei Gao and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-01 with Science categories.
The book documents 25 papers collected from the Special Issue “Advances in Condition Monitoring, Optimization and Control for Complex Industrial Processes”, highlighting recent research trends in complex industrial processes. The book aims to stimulate the research field and be of benefit to readers from both academic institutes and industrial sectors.
Condition Monitoring And Control For Intelligent Manufacturing
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Author : Lihui Wang
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-08-02
Condition Monitoring And Control For Intelligent Manufacturing written by Lihui Wang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-02 with Technology & Engineering categories.
Condition modelling and control is a technique used to enable decision-making in manufacturing processes of interest to researchers and practising engineering. Condition Monitoring and Control for Intelligent Manufacturing will be bought by researchers and graduate students in manufacturing and control and engineering, as well as practising engineers in industries such as automotive and packaging manufacturing.
Manufacturing Modelling Management And Control 2004
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Author : George Chryssolouris
language : en
Publisher: Elsevier
Release Date : 2006-02-03
Manufacturing Modelling Management And Control 2004 written by George Chryssolouris and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-02-03 with Business & Economics categories.
China S High Speed Rail Technology
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Author : Youtong Fang
language : en
Publisher: Springer
Release Date : 2017-12-15
China S High Speed Rail Technology written by Youtong Fang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-15 with Technology & Engineering categories.
This book presents cutting-edge theories, techniques, and methodologies in the multidisciplinary field of high-speed railways, sharing the revealing insights of elite scholars from China, the UK and Japan. It demonstrates the achievements that have been made regarding high-speed rail technologies in China from all aspects, while also providing a macro-level comparative study of related technologies in different countries. The book offers a valuable resource for researchers, engineers, industrial practitioners, graduate students, and professionals in the fields of Vehicles, Traction Power Supplies, Materials, and Infrastructure.