Maintenance Optimization of a Production System with Buffercapacity PDF Download

Author: Stephan G. Vanneste
Publisher:
ISBN:
Category :
Languages : en
Pages : 40

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Author: Nidhal Rezg
Publisher: John Wiley & Sons
ISBN: 1119370868
Category : Technology & Engineering
Languages : en
Pages : 148

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Book Description
This book focuses on industrial constraints such as subcontracting, warranty, and quality in manufacturing and logistic fields and gives new integrated maintenance strategies. It presents new production and maintenance Control Policies compared to the Hedging Point theory Strategy and different integrated strategies of maintenance are developed under industrial constraints in order to propose a robustness production and maintenance plan.

Author: Nidhal Rezg
Publisher: John Wiley & Sons
ISBN: 1118649265
Category : Technology & Engineering
Languages : en
Pages : 134

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Book Description
This book presents the recent work regarding the different approaches developed in the framework of the joint optimization of intelligent maintenance and production strategies. The originality of these strategies is that they take various constraints into account, including production management, subcontracting environmental degradation, inspection and product quality.

Author: Shuaichong Wei
Publisher:
ISBN:
Category : Machinery
Languages : en
Pages : 0

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Book Description
The main objective of this thesis is to analyze and optimize the condition-based maintenance strategies to be adopted for production systems that can operate in degradation mode. First, we consider a production system composed of one machine/component and then extend it to more complex production systems. The machine is modeled as a multi-state system ranging from perfect functioning to total failure and each degraded operating state is characterized by its own production rate, fraction of nonconforming items produced and level of side effects such as the amount of carbon dioxide emitted and the level of energy consumption. When the last acceptable state of the component/machine is reached, preventive maintenance actions are deployed to bring the machine back to one of the previous higher levels of performance. In this context, three various types of common manufacturing systems are considered in this thesis: a serial system without intermediate buffers, two-machine/component manufacturing system with an intermediate buffer and a serial-parallel system without intermediate buffers. In the first type of configuration (i.e., a serial system), the objective of the optimization is to maximize the production rate of the system. The numerical results showed that the optimal preventive maintenance policies should be selected from the perspective of the whole system and major maintenance actions should be applied to the bottleneck machine of the system. In the second type of configuration (i.e., a system with two machines and an intermediate buffer), the objective of the optimization is to minimize the sum of the costs associated with maintenance, inventory level, nonconforming items and side effects caused by the degradation of machine's performance, while keeping the production rate at a high level. An analytical evaluation method is thus developed to evaluate the production rate. The effect of preventive maintenance and buffer level is analyzed, and the obtained results clearly show that a minimum cost can be reached when preventive maintenance is optimized for the whole system. In the case of the third type of configuration (i.e., a multi-state series-parallel system), a new model integrating condition-based maintenance and redundancy optimization is proposed. The objective is to jointly optimize, under availability constraints, the structure of the system and the conditional maintenance actions at a minimum cost. To estimate the availability of the system, a new model combining Markov chains and the universal moment generating function technique is developed. Moreover, a genetic algorithm is proposed to solve the formulated combinatorial optimization problem. The results obtained showed that the integration of operating costs in the optimization model gives better results, compared to the model considering only design and maintenance costs.

Author: Dong-Ping Song
Publisher: Springer Science & Business Media
ISBN: 1447147243
Category : Technology & Engineering
Languages : en
Pages : 282

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Book Description
Optimal Control and Optimization of Stochastic Supply Chain Systems examines its subject the context of the presence of a variety of uncertainties. Numerous examples with intuitive illustrations and tables are provided, to demonstrate the structural characteristics of the optimal control policies in various stochastic supply chains and to show how to make use of these characteristics to construct easy-to-operate sub-optimal policies. In Part I, a general introduction to stochastic supply chain systems is provided. Analytical models for various stochastic supply chain systems are formulated and analysed in Part II. In Part III the structural knowledge of the optimal control policies obtained in Part II is utilized to construct easy-to-operate sub-optimal control policies for various stochastic supply chain systems accordingly. Finally, Part IV discusses the optimisation of threshold-type control policies and their robustness. A key feature of the book is its tying together of the complex analytical models produced by the requirements of operational practice, and the simple solutions needed for implementation. The analytical models and theoretical analysis propounded in this monograph will be of benefit to academic researchers and graduate students looking at logistics and supply chain management from standpoints in operations research or industrial, manufacturing, or control engineering. The practical tools and solutions and the qualitative insights into the ideas underlying functional supply chain systems will be of similar use to readers from more industrially-based backgrounds.

Author: Phang Fei Chan
Publisher:
ISBN:
Category : Inventory control
Languages : en
Pages : 328

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Book Description

Author: Alexandre Dolgui
Publisher: Elsevier
ISBN: 0080478484
Category : Technology & Engineering
Languages : en
Pages : 839

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Book Description
Information Control Problems in Manufacturing 2006 contains the Proceedings of the 12th IFAC Symposium on Information Control Problems in Manufacturing (INCOM'2006). This symposium took place in Saint Etienne, France, on May 17-19 2006. INCOM is a tri-annual event of symposia series organized by IFAC and it is promoted by the IFAC Technical Committee on Manufacturing Plant Control. The purpose of the symposium INCOM'2006 was to offer a forum to present the state-of-the-art in international research and development work, with special emphasis on the applications of optimisation methods, automation and IT technologies in the control of manufacturing plants and the entire supply chain within the enterprise. The symposium stressed the scientific challenges and issues, covering the whole product and processes life cycle, from the design through the manufacturing and maintenance, to the distribution and service. INCOM'2006 Technical Program also included a special event on Innovative Engineering Techniques in Healthcare Delivery. The application of engineering and IT methods in medicine is a rapidly growing field with many opportunities for innovation. The Proceedings are composed of 3 volumes: Volume 1 - Information Systems, Control & Interoperability Volume 2 - Industrial Engineering Volume 3 - Operational Research * 3-volume set, containing 362 carefully reviewed and selected papers * presenting the state-of-the-art in international research and development in Information Control problems in Manufacturing

Author: Süleyman Özekici
Publisher: Springer Science & Business Media
ISBN: 3662032740
Category : Computers
Languages : en
Pages : 597

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Book Description
Complex high-technology devices are in growing use in industry, service sectors, and everyday life. Their reliability and maintenance is of utmost importance in view of their cost and critical functions. This book focuses on this theme and is intended to serve as a graduate-level textbook and reference book for scientists and academics in the field. The chapters are grouped into five complementary parts that cover the most important aspects of reliability and maintenance: stochastic models of reliability and maintenance, decision models involving optimal replacement and repair, stochastic methods in software engineering, computational methods and simulation, and maintenance management systems. This wide range of topics provides the reader with a complete picture in a self-contained volume.

Author: Nicholas J. Daras
Publisher: Springer Science & Business
ISBN: 3319047205
Category : Mathematics
Languages : en
Pages : 440

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Book Description
Analysis, assessment, and data management are core competencies for operation research analysts. This volume addresses a number of issues and developed methods for improving those skills. It is an outgrowth of a conference held in April 2013 at the Hellenic Military Academy and brings together a broad variety of mathematical methods and theories with several applications. It discusses directions and pursuits of scientists that pertain to engineering sciences. It is also presents the theoretical background required for algorithms and techniques applied to a large variety of concrete problems. A number of open questions as well as new future areas are also highlighted. This book will appeal to operations research analysts, engineers, community decision makers, academics, the military community, practitioners sharing the current “state-of-the-art,” and analysts from coalition partners. Topics covered include Operations Research, Games and Control Theory, Computational Number Theory and Information Security, Scientific Computing and Applications, Statistical Modeling and Applications, Systems of Monitoring and Spatial Analysis.

Author: Gabriella Budai-Balke
Publisher: Rozenberg Publishers
ISBN: 9036101263
Category :
Languages : en
Pages : 190

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Book Description
This thesis can be divided into two parts. In Part I we are dealing with the problem of finding optimal time intervals for carrying out routine maintenance works and large projects in such a way that the track possession costs and maintenance costs are minimized. In Part II of this thesis we focus on rescheduling of the rolling stock in the passenger railways due to changing circumstances and more precisely on the Rolling Stock Rebalancing Problem (RSRP). The main objectives of this thesis are formulated as follows: 1. Review the existing literature on maintenance planning in relation with production. 2. Identify some tactical and operational railway infrastructure maintenance planning problems and develop operations research models for providing decision support. Investigate the effect of planning railway infrastructure maintenance on the train operation and identify rolling stock planning problems that occur during planned infrastructure maintenance. 3. Analyze the considered models, investigate their computational complexity, propose solution methods and test the solutions of the models.