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reconfigurable manufacturing systems： Principles, design, and future trends

Frontiers of Mechanical Engineering 2018年第2期13卷 121-136页

作者： Yoram KOREN Xi GU Weihong GUO Department of Mechanical Engineering University of Michigan Ann Arbor MI 48109 USA Department of Industrial and systems Engineering Rutgers The State University of New Jersey Piscataway NJ 08854 USA

reconfigurable manufacturing systems （RMSs）, which possess the advantages of both dedicated serial lines and flexible manufacturing systems, were introduced in the mid-1990s to address the challenges initiated by globalization. The principal goal of an RMS is to enhance the responsiveness of manufacturing systems to unforeseen changes in product demand. RMSs are cost- effective because they boost productivity, and increase the lifetime of the manufacturing system. Because of the many streams in which a product may be produced on an RMS, maintaining product precision in an RMS is a challenge. But the experience with RMS in the last 20 years indicates that product quality can be definitely maintained by inserting in-line inspection stations. In this paper, we formulate the design and operational principles for RMSs, and provide a state-of-the-art review of the design and operations methodologies of RMSs according to these principles. Finally, we propose future research directions, and deliberate on how recent intelligent manufacturing technologies may advance the design and operations of RMSs.

关键词： reconfigurable manufacturing systems responsiveness intelligent manufacturing

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Genetic-algorithm-based balanced distribution of functional characteristics for machines

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Journal of Beijing Institute of Technology 2015年第1期24卷 49-57页

作者：王国新杜景军阎艳 School of Mechanical Engineering Beijing Institute of Technology

In order to make reconfigurable manufacturing system （RMS） adapt to the fluctuations of production demand with the minimum number of reconflgurations in its full life cycle, we presented a method to design RMS based on the balanced distribution of functional characteristics for ma- chines. With this method, functional characteristics were classified based on machining functions of cutting-tools and machining accuracy of machines. Then the optimization objective was set as the to- tal shortest mobile distance that all the workpieces are moved from one machine to another, and an improved genetic algorithm （GA） was proposed to optimize the configuration. The elitist strategy was used to enhance the global optimization ability of GA, and excellent gene pool was designed to maintain the diversity of population. Software Matlab was used to realize the algorithm, and a case study of simulation was used to evaluate the method.

关键词： reconfigurable manufacturing systems balanced distribution functional characteristics genetic algorithm

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