English, Article edition: Optimal warranty policies for systems with imperfect repair Yeo, Wee Meng; Yuan, Xue-Ming

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Physical Description
  • article
Language
  • English

Edition details

Title
  • Optimal warranty policies for systems with imperfect repair
Author
  • Yeo, Wee Meng
  • Yuan, Xue-Ming
Physical Description
  • article
Notes
  • We investigate a system whose basic warranty coverage is minimal repair up to a specified warranty length. An additional service is offered whereby first failure is restored up to the consumers' chosen level of repair. The problem is studied under two system replacement strategies: periodic maintenance before and after warranty. It turns out that our model generalizes the model of Rinsaka and Sandoh [K. Rinsaka, H. Sandoh, A stochastic model with an additional warranty contract, Computers and Mathematics with Applications 51 (2006) 179-188] and the model of Yeh et al. [R.H. Yeh, M.Y. Chen, C.Y. Lin, Optimal periodic replacement policy for repairable products under free-repair warranty, European Journal of Operational Research 176 (2007) 1678-1686]. We derive the optimal maintenance period and optimal level of repair based on the structures of the cost function and failure rate function. We show that under certain assumptions, the optimal repair level for additional service is an increasing function of the replacement time. We provide numerical studies to verify some of our results.
  • Reliability Long-run expected cost Minimal repair Renewal process Non-homogeneous Poisson process Warranty
  • RePEc:eee:ejores:v:199:y:2009:i:1:p:187-197
Language
  • English
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