Maintenance of continuously monitored degrading systems

Haitao Liao, Elsayed A. Elsayed, Ling Yau Chan

Research output: Contribution to journalArticle

193 Scopus citations

Abstract

This paper considers a condition-based maintenance model for continuously degrading systems under continuous monitoring. After maintenance, the states of the system are randomly distributed with residual damage. We investigate a realistic maintenance policy, referred to as condition-based availability limit policy, which achieves the maximum availability level of such a system. The optimum maintenance threshold is determined using a search algorithm. A numerical example for a degrading system modeled by a Gamma process is presented to demonstrate the use of this policy in practical applications.

Original languageEnglish (US)
Pages (from-to)821-835
Number of pages15
JournalEuropean Journal of Operational Research
Volume175
Issue number2
DOIs
StatePublished - Dec 1 2006

Keywords

  • Availability limit
  • Maintenance
  • Optimization
  • Replacement

ASJC Scopus subject areas

  • Computer Science(all)
  • Modeling and Simulation
  • Management Science and Operations Research
  • Information Systems and Management

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