Volume 11, Issue 3 (12-2025)
mmr 2025, 11(3): 59-72 |
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Ashrafi S. Optimal preventive maintenance model for three-state systems. mmr 2025; 11 (3) :59-72
URL: http://mmr.khu.ac.ir/article-1-3377-en.html
URL: http://mmr.khu.ac.ir/article-1-3377-en.html
1- University of Isfahan
Abstract: (12 Views)
In this paper, it is considered a three-state system with states complete performance, partial performance, and complete failure. It is also assumed that the system has n two-state components. For this system, under different assumptions on the system states, the conditional mean life functions are calculated. Then, a preventive maintenance model is peoposed for the considered system and the cost function per time unit is calculated. The aim of presenting the proposed model is to calculate the optimal time for preventive maintenance that minimizes the average cost per unit of time. Finally, some numerical examples are given to show the application of the proposed model.
Keywords: Two-dimensional signature, reliability, mean conditional life, emergency repair, average cost per time unit.
Type of Study: Original Manuscript |
Subject:
stat
Received: 2024/03/12 | Revised: 2025/12/17 | Accepted: 2025/11/2 | Published: 2025/12/17 | ePublished: 2025/12/17
Received: 2024/03/12 | Revised: 2025/12/17 | Accepted: 2025/11/2 | Published: 2025/12/17 | ePublished: 2025/12/17
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