Soft Computing

, Volume 10, Issue 7, pp 531–542

The reliability of general vague fault-tree analysis on weapon systems fault diagnosis



An algorithm of vague fault-tree analysis is proposed in this paper to calculate fault interval of system components from integrating expert's knowledge and experience in terms of providing the possibility of failure of bottom events. We also modify Tanaka et al's definition and extend the new usage on vague fault-tree analysis in terms of finding most important basic system component for managerial decision-making. In numerical verification, the fault of automatic gun is presented as a numerical example. For advanced experiment, a fault tree for the reactor protective system is adopted as simulation example and we compare the results with other methods. This paper also develops vague fault tree decision support systems (VFTDSS) to generate fault-tree, fault-tree nodes, then directly compute the vague fault-tree interval, traditional reliability, and vague reliability interval.


Vague fault tree analysis Vague sets Reliability analysis Military application Vague fault tree decision support systems (VFTDSS) 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • J.-R. Chang
    • 1
    • 2
  • K.-H. Chang
    • 3
  • S.-H. Liao
    • 3
  • C.-H. Cheng
    • 1
    • 2
  1. 1.Department of Information ManagementsNationalYunlin University of Science and TechnologyTouliuTaiwan
  2. 2.Graduate School of ManagementNationalYunlin University of Science and TechnologyTouliuTaiwan
  3. 3.Graduate School of Resources ManagementNational Defense Management CollegeTaipeiTaiwan

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