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Reliability analysis method for redundancy systems based on GO methodology and the universal generation function

Author

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  • Hui Cao
  • Fuhai Duan
  • Xiuhong Jiang

Abstract

In this study, Goal-Oriented (GO) methodology, as an important technique for reliability analysis, is used in multi-state redundancy systems. However, traditional GO operation is usually not sufficiently effective for such multi-state redundancy systems because of the complex computational problem. To solve this problem, an efficient UGF-based GO operation that combines the advantages of GO methodology and the universal generation function (UGF) is proposed. The algorithm can avoid the complex calculation process caused by the algorithm-based GO operation of traditional probability formulas, and can simplify the correction of the shared signal by regarding it as the system’s conditional probability. In addition, the further correction problem in which some dependent shared signals with a common failure are caused by other shared signals is also considered. Some application examples are presented to illustrate the proposed UGF-based GO methodology, as well as its effectiveness and practicability.

Suggested Citation

  • Hui Cao & Fuhai Duan & Xiuhong Jiang, 2021. "Reliability analysis method for redundancy systems based on GO methodology and the universal generation function," Journal of Risk and Reliability, , vol. 235(6), pages 1118-1131, December.
    • Handle: RePEc:sae:risrel:v:235:y:2021:i:6:p:1118-1131
    DOI: 10.1177/1748006X211006064
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