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Decision support system for maintenance order priority of multistate coal handling system with hot redundancy

Author

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  • Sudhir Kumar
  • P.C. Tewari
  • Anish Kumar Sachdeva

Abstract

This paper describes newly developed decision support system for maintenance order priority which is an essential requirement to maintain excellent maintenance operations. It also discusses the performability evaluation of coal handling system of a coal-based thermal power plant using the stochastic petri nets (SPN) technique. A licensed version of petri GRIF-predicates software was used for the modelling purpose. The performability in long-term availabilities of the different subsystems is obtained by varying failure and repair rates (FRR) in permissible ranges during performance modelling of plant. Based upon the performability matrices the maintenance order priorities of subsystems were predicted. The present paper examines the impact of varying failure and repair rates of subsystems on the performance behaviour and performability of coal handling system. Further, the effect of varying the repair facilities available on the performability of whole system is also evaluated. From the performability matrices, it has been observed that crushers are the most critical subsystems which drastically affect the overall performability of system. The critical study would help the maintenance engineers to plan for allocation of repair facilities for the different subsystems in advance based upon the severity of their failure.

Suggested Citation

  • Sudhir Kumar & P.C. Tewari & Anish Kumar Sachdeva, 2024. "Decision support system for maintenance order priority of multistate coal handling system with hot redundancy," International Journal of Intelligent Enterprise, Inderscience Enterprises Ltd, vol. 11(2), pages 103-119.
    • Handle: RePEc:ids:ijient:v:11:y:2024:i:2:p:103-119
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