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2014, Volume 8, Issue 4

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Frontiers in Energy >> 2014, Volume 8, Issue 4 doi: 10.1007/s11708-014-0336-4

Reliability analysis of urban gas transmission and distribution system based on FMEA and correlation operator

School of Mechanical Engineering, Tongji University, Shanghai 200092, China

Accepted: 2014-12-03 Available online: 2015-01-09
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Abstract

In order to improve the safety management of urban gas transmission and distribution system, failure mode and effects analysis (FMEA) was used to construct the reliability analysis system of the pipeline network. To solve the problem of subjectivity and uncertainty of the multi-expert decision making, the correlation operator was introduced into the calculation of the risk priority number (RPN). Using FMEA along with weight analysis and expert investigation approach, the FMEA evaluation table was given, including five failure modes, risk priority numbers, failure causes and effects, as well as corrective actions. The results show that correlation operator can directly process the linguistic terms and quantify the priority of the risks.

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