MAPAN

, Volume 29, Issue 2, pp 115–129 | Cite as

Reliability, Availability and Maintainability Analysis of Industrial Systems Using PSO and Fuzzy Methodology

Original Paper

Abstract

The purpose of this paper is to present a methodology for analyzing the system performance of an industrial system by utilizing uncertain data. Although there have been tremendous advances in the art and science of system evaluation, yet it is very difficult to assess their performance with a very high accuracy or precision. For handling of these uncertainties, fuzzy set theory has been used in the analysis while their corresponding membership functions are generated by solving a nonlinear optimization problem with particle swarm optimization. For finding the critical component of the system which affects the system performance mostly, a composite measure of reliability, availability and maintainability (RAM) named as the RAM-index has been introduced which influences the effects of failure and repair rate parameters on its performance. A time varying failure and repair rate parameters are used in the analysis instead of constant rate models. Finally, the computed results are finally compared with existing methodologies. The suggested framework has been illustrated with the help of a case.

Keywords

PSOBLT Uncertain data Industrial system RAM-index Particle swarm optimization Lambda–tau methodology 

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Copyright information

© Metrology Society of India 2013

Authors and Affiliations

  1. 1.School of Mathematics and Computer ApplicationsThapar UniversityPatialaIndia

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