GE Hongbing. Reliability analysis of traction unit of electrical haulage shearer[J]. Journal of Mine Automation, 2018, 44(4): 51-56. DOI: 10.13272/j.issn.1671-251x.17306
Citation: GE Hongbing. Reliability analysis of traction unit of electrical haulage shearer[J]. Journal of Mine Automation, 2018, 44(4): 51-56. DOI: 10.13272/j.issn.1671-251x.17306

Reliability analysis of traction unit of electrical haulage shearer

  • For the problem that traditional manual reliability analysis method for traction unit of electrical haulage shearer could not find hidden fault real-timely, a reliability analysis method of traction unit of electrical haulage shearer was proposed which was based on fault tree analysis and fuzzy logic theory. Non-traction fault tree of the traction unit is built firstly, and failure degree of basic events in the fault tree is graded. Then membership degree of each basic event belonging to corresponding fault grade is calculated by use of fuzzy synthetic discrimination method, so as to get the fault form and fault rate of the traction unit in each working stage. The method can realize reliability analysis and health management of the traction unit of electrical haulage shearer.
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