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Chinese Journal of Management Science ›› 2012, Vol. 20 ›› Issue (5): 90-97.

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Decision on Independent Cell Formation with Multiple Identical Machines

LIAN Jie1, LIU Chen-guang1, LI Wen-juan1, YIN Yong1,2   

  1. 1. School of Economics and Management, Xi’an university of technology, Xi’an 710048, China;
    2. Department of Economics and Business Management, Yamagata University, Yamagata 990-8560,Japan
  • Received:2011-04-21 Revised:2012-07-09 Online:2012-10-29 Published:2012-10-27

Abstract: Cellular manufacturing has been adopted by a large number of manufacturers suffering from the manufacturing environment characterized by variable product mix and fluctuant production demand,especially for those who are dedicated to assembly.It has been regarded as a synthesis of production efficiency and flexibility.Cell formation is not only the central and foremost problem of designing a cellular manufacturing system, but also the focus in the research fields of cellular manufacturing. The independent cell formation problem with consideration of easily-duplicated machines is studied to eliminate inter-cell movement by allocating multiple identical machines in cells,and balance inter-cell workload.Considering many real-life factors including setup time,processing sequence,machine capacity,and production demand,a mathematical model is formulated to minimize the average total flow time of all cells and the sum variance between the total flow time of each cell and the average total flow time of all cells.Then a heuristic algorithm is developed to solve it.At last,the effciency of the proposed mathematical model and algorithm is validated through a numerical example.

Key words: cellular manufacturing, cell formation, independent cell, identical machines

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