A multi-criteria optimal replacement policy for a system subject to shocks

  • Authors:

  • Chin-Chih Chang;Shey-Huei Sheu;Yen-Luan Chen;Zhe George Zhang

  • Affiliations:

  • Department of Statistics and Informatics Science, Providence University, Taichung 433, Taiwan;Department of Statistics and Informatics Science, Providence University, Taichung 433, Taiwan and Department of Industrial Management, National Taiwan University of Science and Technology, Taipei ...;Department of Marketing Management, Takming University of Science and Technology, Taipei 114, Taiwan;Department of Decision Sciences, Western Washington University, Bellingham, WA 98225-9077, USA

  • Venue:
  • Computers and Industrial Engineering
  • Year:
  • 2011

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Abstract

A system is subject to shocks that arrive according to a non-homogeneous Poisson process. As these shocks occur, the system experiences one of two types of failures: a type-I failure (minor), rectified by a minimal repair; or a type-II failure (catastrophic) that calls for a replacement. In this study, we consider a multi-criteria replacement policy based on system age, nature of failure, and entire repair-cost history. Under such a policy, the system is replaced at planned life time T, or at the nth type-I failure, or at the kth type-I failure (k