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Designing a cellular manufacturing system considering decision style,skill and job security by NSGA-II and response surface methodology
Authors:Ali Azadeh  Shima Pashapour  Saeed Abdolhossein Zadeh
Affiliation:School of Industrial and Systems Engineering, College of Engineering and Center of Excellence for Intelligent Based Experimental Mechanic, University of Tehran, Tehran, Iran
Abstract:Cell formation is a traditional problem in cellular manufacturing systems that concerns the allocation of parts, operators and machines to the cells. This paper presents a new mathematical programming model for cell formation in which operators’ personality and decision-making styles, skill in working with machines, and also job security are incorporated simultaneously. The model involves the following five objectives: (1) minimising costs of adding new machines to and removing machines from the cells at the beginning of each period, (2) minimising total cost of material handling, (3) maximising job security, (4) minimising inconsistency of operators’ decision styles in cells and (5) minimising cost of suitable skill. On account of the NP-hard nature of the proposed model, NSGA-II as a powerful meta-heuristic approach is used for solving large-sized problems. Furthermore, response surface methodology (RSM) is used for tuning the parameters. Lastly, MOPSO and two scalarization methods are employed for validation of the results obtained. To the best of our knowledge, this is the first study that presents a multi-objective mathematical model for cell formation problem considering operators’ personality and skill, addition and removal of machines and job security.
Keywords:cell formation  decision style  job security  skill  NSGA-II  MOPSO  response surface methodology
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