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Research of Joint Importance Compatibility in Fault Tree Analysis

Author: GuoChengYu
Tutor: BiWeiXing
School: Dalian Jiaotong University
Course: Applied Mathematics
Keywords: Fault tree analysis Coherent system Minimal cut sets The end of the event The degree of importance
CLC: TH165.3
Type: Master's thesis
Year: 2010
Downloads: 45
Quote: 0
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Abstract


System fault tree analysis is an important branch of the system reliability engineering , is widely recognized evaluation system reliability and security a simple, effective and promising method . Fault tree qualitative and quantitative analysis of the main tasks is to find the combination of system failure mode and weak links , mathematical expressions and charts to help system designers and reliability of workers of various combination of events that can lead to system failure effective assessment system security and reliability . Important degree reflect the key parts of a quantitative indicator of the degree of importance of the various components in the system , the end of the event is important degrees improve the design of the system to determine the need to monitor the system has an important role to achieve with a minimum of manpower , material and financial resources to improve the original system reliability purposes . After that in order to more effectively improve the reliability of the system as a whole , presented a two-part and multi-part joint degree algorithm , so as to the reliability of the system or component design , troubleshooting and system optimization to provide more and more effective digital basis , this paper research on these issues on the basis of analyzes . This article elaborated in detail the basic methods and basic principles of the theory of fault tree , Coherent System Fault Tree qualitative analysis and quantitative calculation ; JS Hong and CH Lie two joint algorithm based on these species improved algorithm combined with the degree of importance for the inadequacies of the existing , try a compatibility algorithm , it not only reflect the structural characteristics of the fault tree turn the end of the event itself reliability factors capacity into the algorithm , new algorithm , the important calculation and fault tree of the same system, the end of the event , a comparative analysis of the calculation results of different algorithms , verify the results show that the rationality and effectiveness of this algorithm .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Machinery Manufacturing Technology > Flexible manufacturing systems and flexible manufacturing cell > Fault diagnosis and maintenance
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