Risk Analysis Based on AHP and Fuzzy Comprehensive Evaluation for Maglev Train Bogie

The maglev bogie is the key subsystem for maglev train security. To ensure life and property security, it is essential to evaluate its risk level before its operation. In this paper, a combinational method of analytic hierarchy process and fuzzy comprehensive evaluation is proposed to assess hazards...

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Published in:Mathematical Problems in Engineering 2016-01, Vol.2016 (2016), p.1071-1080
Main Authors: Long, Zhiqiang, Tong, Baiming, Dou, Fengshan, Fan, Chengxin
Format: Article
Language:English
Subjects:
Analytic hierarchy process
Engineering
Evaluation
Failure analysis
Fuzzy
Fuzzy logic
Fuzzy set theory
Fuzzy sets
Hazard assessment
Hazard identification
Magnetic levitation systems
Magnetic levitation vehicles
Operational hazards
Risk
Risk analysis
Risk assessment
Risk levels
Security
Subsystems
Theory
Undercarriage
Undercarriages
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cited_by cdi_FETCH-LOGICAL-a464t-ba43ed183a4863a73d0c81ef0486733a3866bd1bcf68055ec62ef618b2e447dc3
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container_title Mathematical Problems in Engineering
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creator Long, Zhiqiang
Tong, Baiming
Dou, Fengshan
Fan, Chengxin
description The maglev bogie is the key subsystem for maglev train security. To ensure life and property security, it is essential to evaluate its risk level before its operation. In this paper, a combinational method of analytic hierarchy process and fuzzy comprehensive evaluation is proposed to assess hazards in a complex maglev bogie system associated with multiple subsystems’ failures. The very comprehensive identification of risk sources has been done by analyzing the structure of maglev bogie. Furthermore, based on the fuzzy theory, linguistic evaluation set is classified according to risk tolerance. The score of each risk factor is obtained by weighted sum of the result of fuzzy comprehensive evaluation. Our results show that the degree of maglev bogie’s risk is within the range of acceptability. The merits of this work facilitate finding the weak links and determining the maintenance of maglev bogie system.
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subjects Analytic hierarchy process
Engineering
Evaluation
Failure analysis
Fuzzy
Fuzzy logic
Fuzzy set theory
Fuzzy sets
Hazard assessment
Hazard identification
Magnetic levitation systems
Magnetic levitation vehicles
Operational hazards
Risk
Risk analysis
Risk assessment
Risk levels
Security
Subsystems
Theory
Undercarriage
Undercarriages
title Risk Analysis Based on AHP and Fuzzy Comprehensive Evaluation for Maglev Train Bogie
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