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Optimal Replacement and Protection Strategy for Parallel Systems

In: Recent Advances in System Reliability

Author

Listed:
  • Rui Peng

    (National University of Singapore)

  • Gregory Levitin

    (The Israel Electric Corporation Ltd.)

  • Min Xie

    (National University of Singapore)

  • Szu Hui Ng

    (National University of Singapore)

Abstract

We consider a parallel system consisting of components with different characteristics. The components can be unavailable due to internal failures or external impacts. Each component has an increasing failure rate and is subjected to external impacts that can occur with fixed frequency. The system reliability is defined as the ability to maintain a specified performance level. It is assumed that the component destruction probability depends on the investment made in protection actions. In order to increase the system reliability, two measures can be taken: (1) increase of the components replacement frequency to improve their availability and (2) improvement of the components protection to reduce the probability of their destruction by the external impacts. The optimal maintenance and protection strategy which minimizes the total cost of maintenance, protection and damage caused by unsupplied demand is studied. The proposed approach is based on a universal generating function technique and a genetic algorithm.

Suggested Citation

  • Rui Peng & Gregory Levitin & Min Xie & Szu Hui Ng, 2012. "Optimal Replacement and Protection Strategy for Parallel Systems," Springer Series in Reliability Engineering, in: Anatoly Lisnianski & Ilia Frenkel (ed.), Recent Advances in System Reliability, chapter 0, pages 135-144, Springer.
    • Handle: RePEc:spr:ssrchp:978-1-4471-2207-4_9
    DOI: 10.1007/978-1-4471-2207-4_9
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    Cited by:

    1. Levitin, Gregory & Finkelstein, Maxim & Dai, Yuanshun, 2018. "Mission abort policy balancing the uncompleted mission penalty and system loss risk," Reliability Engineering and System Safety, Elsevier, vol. 176(C), pages 194-201.

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