Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Multi criteria FMECA for coal‐fired thermal power plants using COPRAS‐G

Multi criteria FMECA for coal‐fired thermal power plants using COPRAS‐G Purpose – The purpose of this paper is to present a multi criterion failure mode effect and criticality analysis for coal‐fired thermal power plants using uncertain data as well as substituting the traditional risk priority number estimation method. Design/methodology/approach – Grey‐complex proportional assessment (COPRAS‐G) method, a multi criteria decision making tool is applied to evaluate the criticalities of the failure modes (alternatives). In this model the criteria (criticality factor) against each alternative are expressed in grey number instead of crisp values. Findings – Rupture failure of the straight tube of economizer (ECO) due to erosion is the highest critical failure mode whereas rupture failure of the stub of ECO due to welding defect is the lowest critical failure mode. Originality/value – This paper incorporates human and environmental factors as additional factors which also influence the failure modes significantly. The COPRAS‐G method is modified according this problem. Uncertainty in the scoring of criticality factors against each failure mode by various maintenance personnel is expressed in grey numbers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Quality & Reliability Management Emerald Publishing

Multi criteria FMECA for coal‐fired thermal power plants using COPRAS‐G

Loading next page...
 
/lp/emerald-publishing/multi-criteria-fmeca-for-coal-fired-thermal-power-plants-using-copras-fBt70sV7mD

References (31)

Publisher
Emerald Publishing
Copyright
Copyright © 2014 Emerald Group Publishing Limited. All rights reserved.
ISSN
0265-671X
DOI
10.1108/IJQRM-04-2013-0068
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to present a multi criterion failure mode effect and criticality analysis for coal‐fired thermal power plants using uncertain data as well as substituting the traditional risk priority number estimation method. Design/methodology/approach – Grey‐complex proportional assessment (COPRAS‐G) method, a multi criteria decision making tool is applied to evaluate the criticalities of the failure modes (alternatives). In this model the criteria (criticality factor) against each alternative are expressed in grey number instead of crisp values. Findings – Rupture failure of the straight tube of economizer (ECO) due to erosion is the highest critical failure mode whereas rupture failure of the stub of ECO due to welding defect is the lowest critical failure mode. Originality/value – This paper incorporates human and environmental factors as additional factors which also influence the failure modes significantly. The COPRAS‐G method is modified according this problem. Uncertainty in the scoring of criticality factors against each failure mode by various maintenance personnel is expressed in grey numbers.

Journal

International Journal of Quality & Reliability ManagementEmerald Publishing

Published: Apr 29, 2014

Keywords: Human factor; Multi criteria; Operating environment; FMECA; Grey number; COPRAS‐G; Risk priority number; Coal‐fired thermal power plant

There are no references for this article.