NDLI: Study of fault diagnosis method based on fuzzy Bayesian network and application in CTCS-3 train control system

Content Provider	IEEE Xplore Digital Library
Author	Jingjing Zhao Wei Zheng
Copyright Year	2013
Description	Author affiliation: Nat. Eng. Res. Center for the Rail Transp. Oper. Control Syst., Beijing Nat. Railway Res. & Design Inst. of Signals & Commun. Co., Ltd, Beijing, China (Jingjing Zhao) \|\| Nat. Eng. Res. Center for the Rail, Beijing Jiao tong Univ., Beijing, China (Wei Zheng)
Abstract	The fault diagnosis approach based-on Bayesian network is frequently used in fault diagnosis field, has better completeness and explanation facility, but it has some disadvantages due to lack of the quantitative data information, and it is difficult to applied in complicated system, China train control system lever-3 (CTCS-3) is a complicated system with high security requirement, so a Bayesian fuzzy inference nets real-time internal fault diagnostic system for CTCS-3 train control system is proposed. The membership functions and symptom-fault mapping relationship for CTCS-3 fault diagnosis system are obtained from pre-measured experimental data as well as experts' diagnostic experience/knowledge to distinguish the effect of true fault from various factors. The cores dangerous of train control system are supervision and protect against exceedance of safe speed distance and driver exceeds safe speed distance, according the two safety links, first of all, set up fault tree; and then convert to Bayesian network, finally the fuzzy Bayesian network diagnosis arithmetic of fault diagnosis system with accuracy is designed and presented. The validity and effectiveness of the proposed approach is witnessed clearly from the testing results obtained. In the last part of the paper, the fault diagnosis system of CTCS-3 is established by using the fuzzy inference algorithm.
Starting Page	249
Ending Page	254
File Size	358832
Page Count	6
File Format	PDF
DOI	10.1109/ICIRT.2013.6696302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault diagnosis Membership function Fault tree Control systems Fuzzy inference Inference algorithms Bayes methods Safety Security Bayesian network CTCS-3 fault diagnosis system Fault trees
Content Type	Text
Resource Type	Article

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