A closed queuing maintenance network for automated manufacturing systems

C Lin (), Ding J-R and Yeh J-M
Additional contact information
C Lin: National Cheng Kung University
Ding J-R: Southern Taiwan University of Technology
Yeh J-M: National Cheng Kung University

Journal of the Operational Research Society, 2001, vol. 52, issue 10, 1121-1129

Abstract: Abstract This paper models an unreliable automated manufacturing system (AMS) by a closed queuing network. The AMS consists of a multi-stage network of automated work stations linked by a computer. A closed queuing algorithm is applied to determine the system availability under steady state for the AMS. This algorithm is then integrated into a cost optimization model. By applying the revised genetic algorithm, the optimal (or near-optimal) number of standby units and repair rates for the repair stations are derived by minimizing the total cost. The model is verified by the intuitive results from the sensitivity analysis. A numerical example is used to compare the revised genetic algorithm and the conventional genetic algorithm. The results show that the proposed revised algorithm leads to significant improvement in execution time and lower average total cost.

Keywords: closed queuing network; maintenance float; genetic algorithm; automation manufacturing system (search for similar items in EconPapers)
Date: 2001
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DOI: 10.1057/palgrave.jors.2601175

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