A reliability modeling method for the system subject to common cause failures and competing failures

Quality and Reliability Engineering International - Tập 38 Số 5 - Trang 2533-2547 - 2022
Yining Zeng1, Youchao Sun1
1College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing, China

Tóm tắt

AbstractCompeting failures are time domain contention situations between the propagated failures (PFs) that originate from dependent components and the failure isolation caused by the trigger component. The methods based on combinatorial analysis commonly used in the analysis of competing failures require a complicated formula derivation and model reduction process. This paper proposes an integrated model based on generalized stochastic Petri nets (GSPNs) for analyzing the competing failures in the system, and further considers the effect of common cause failures (CCFs). The proposed modeling method inherits the advantages of GSPNs and provides a simplified method to compute the reliability of systems, which affect by competing failures and CCFs. Finally, the proposed method is applied in the flight control system (FCS) and demonstrated by the efficient decomposition and aggregation (EDA) method and combinatorial analysis method.

Từ khóa


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Thông tin xuất bản

Quality and Reliability Engineering International

Tập 38 Số 5

2533-2547

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