Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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Optimum Inspection and Replacement Policy in Redundant System

  • Yun, Won Young (Department of Industrial Engineering, Pusan National University) ;
  • Cha, Myung Soo (Department of Industrial Engineering, Kyungsung University)
  • Published : 1991.11.01
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Abstract

In this paper, an inspection and replacement policy in a redundant system is considered. It is assumed that the state of the redundant system is known by inspection. When the system is inspected, it is preventively replaced only if the number of failed units exceeds the predetermined limit. Otherwise, the system is inspected after a inspection interval which depends on the number of failed units. We obtain the optimal number of redundant units, inspection intervals and replacement limit minimizing the expected cost rate.

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