Journal of the Korea Safety Management & Science (대한안전경영과학회지)

Korea Safety Management & Science (대한안전경영과학회)
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Periodic Replacement of a System Subject to Shocks under Random Operating Horizon

랜덤한 운용시평하에서 충격 시스템의 보전방안

  • Yoo, Youngkwan (School of Continuing Liberal Art Studies, Halla University)
  • 유영관 (한라대학교 미래라이프융합학부)
  • Received : 2021.11.22
  • Accepted : 2021.12.23
  • Published : 2021.12.31
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Abstract

This paper presents a periodic replacement policy for a system subject to shocks when the system is operating for a finite random horizon. The system is subject to shocks during operation, and each shock causes downgrading of the system performance and makes it more expensive to run by the additional running cost. Shocks arrive according to a nonhomogeneous or a renewal process, and we develop periodic replacement policies under a finite random operating horizon. The optimum periodic replacement interval which minimizes the total operating cost during the horizon is found. Numerical examples are presented to demonstrate the results.

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References

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