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Acta Armamentarii ›› 2013, Vol. 34 ›› Issue (11): 1380-1386.doi: 10.3969/j.issn.1000-1093.2013.11.006

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Entropy Weight Fuzzy Comprehensive Evaluation on Failure Mode Criticality of Integrated Transmission System

XU Bao-rong1,2, LI Rong-li1, WEI Huo-ming1, CONG Hua2, FENG Fu-zhou2   

  1. (1.Beijing Special Vehicle Institute, Beijing 100072, China;2.Department of Mechanical Engineering, Academy of Armored Force Engineering, Beijing 100072, China)
  • Received:2012-08-27 Revised:2012-08-27 Online:2014-01-22
  • Contact: XU Bao-rong E-mail:congyu2007@sina.com

Abstract: An integrated transmission system is tested in relation to the completed structure of integrated transmission system, the less failure data and the lack of reasonable failure mode analysis method. All the failure data are recorded during test, and a entropy weight fuzzy comprehensive evaluation method is proposed to analyze the failure mode criticality, through which several fuzzy and qualitative indicators are evaluated. In consideration of failure probability, failure severity, difficulty in failure detection and maintenance level, an evaluation indicator for correction difficulty is proposed from the perspective of fulllife cycle, which improves the evaluation indicator system. The key failure modes and subsystems are discovered through criticality analysis, which provide valid evidence for modification, maintenance decision and life management of integrated transmission system.

Key words: ordnance science and technology, integrated transmission system, failure mode, entropy weight, fuzzy comprehensive evaluation

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