Performance analysis for closed-loop production systems with unreliable machines and random processing times

Authors:
C. H. Paik;H. G. Kim;H. S. Cho
Affiliations:
Division of Mechanical and Industrial System Engineering, Dongeui University, Pusan 614-714, South Korea;Division of Mechanical and Industrial System Engineering, Dongeui University, Pusan 614-714, South Korea;Division of Mechanical and Industrial System Engineering, Dongeui University, Pusan 614-714, South Korea
Venue:
Computers and Industrial Engineering - 26th International conference on computers and industrial engineering
Year:
2002

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Abstract

In this study, we propose some simple but effective throughput-approximation methods for finite-buffered closed-loop production systems with unreliable machines and exponentially distributed processing times. The proposed approximation methods are based on decomposition and aggregation principles. According to the method representing the decomposed systems, three different approximation methods are developed, along with a simple upper bounding method for throughputs. Extensive computational experiments are performed to show the effectiveness of the approximation and upper bounding methods.