GERT-MC based analysis of transmission of failure risks in aircraft main landing gear system

doi:10.16265/j.cnki.issn1003-3033.2018.03.019

Abstract

Abstract: A model of failure risk transmission based on GERT-MC was built to solve the problems of randomness and interaction between failure risks in AMLGS. The series and parallel and loop structures of GERT were simplified, and the MC simulation method was used to design a simulation solving algorithm for the model. System risk and key links of failure risk were identified exactly for an AMLGS taken as an example. A comparison between the analytical and simulation methods showed that the model is effective in quantitative analysis and control of transmission of failure risks in an AMLGS.

Key words: aircraft main landing gear system (AMLGS), failure risk, Monte Carlo(MC) method, graphical evaluation and review technique(GERT), sensitivity analysis

CLC Number:

X949

TAO Qian, LI Chao, LI Zhengxin, ZHANG Yu, CHEN Xiangyang. GERT-MC based analysis of transmission of failure risks in aircraft main landing gear system[J]. China Safety Science Journal, 2018, 28(3): 108-113.

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