Volume 25, Number 1 (IJIEPR 2014)                   IJIEPR 2014, 25(1): 27-32 | Back to browse issues page

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Fallah Nezhad M S, Mostafaeipour A. Implementation of Traditional (S-R)-Based PM Method with Bayesian Inference. IJIEPR. 2014; 25 (1) :27-32
URL: http://ijiepr.iust.ac.ir/article-1-296-en.html

Assistant Professor Assistant Professor of Industrial Engineering, Yazd University , Fallahnezhad@yazduni.ac.ir
Abstract:   (1734 Views)
In order to perform Preventive Maintenance (PM), two approaches have evolved in the literature. The traditional approach is based on the use of statistical and reliability analysis of equipment failure. Under statistical-reliability (S-R)-based PM, the objective of achieving the minimum total cost is pursued by establishing fixed PM intervals, which are statistically optimal, at which to replace or overhaul equipments or components. The second approach involves the use of sensor-based monitoring of equipment condition in order to predict occurrence of machine failure. Under condition-based (C-B) PM, intervals between PM works are no longer fixed, but are performed only “when needed”. It is obvious that Condition Based Maintenance (CBM) needs an on-line inspection and monitoring system that causes CBM to be expensive. Whenever this cost is infeasible, we can develop other methods to improve the performance of traditional (S-R)-based PM method. In this research, the concept of Bayesian inference was used. The time between machine failures was observed, and with combining Bayesian Inference with (S-R)-based PM, it is tried to determine the optimal checkpoints. Therefore, this approach will be effective when it is combined with traditional (S-R)-based PM, even if large number of data is gathered.
Full-Text [PDF 313 kb]   (1009 Downloads)    
Type of Study: Research | Subject: Reliability and Maintenance
Received: 2011/08/14 | Accepted: 2013/03/3 | Published: 2014/02/2

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