Ning ZHANG, Haihua LIN, Yaping SUN, et al. Analysis of Petri Net Model and Index Demonstration for Torpedo Equipment Testing and Maintenance[J]. Acta Armamentarii, 2023, 44(3): 886-894.
DOI:
Ning ZHANG, Haihua LIN, Yaping SUN, et al. Analysis of Petri Net Model and Index Demonstration for Torpedo Equipment Testing and Maintenance[J]. Acta Armamentarii, 2023, 44(3): 886-894. DOI: 10.12382/bgxb.2021.0768.
Analysis of Petri Net Model and Index Demonstration for Torpedo Equipment Testing and Maintenance
To meet the needs of testing and maintenance of torpedo equipment
the generalized stochastic Petri net model is used to the testing and maintenance modelling of the torpedo equipment
and the testability indices are analyzed. Firstly
the GSPN models of the system layer and the structure layer of the torpedo equipment are established respectively
and the failure modes of the torpedo equipment are classified according to the failure mode
effects and criticality analysis (FMECA). Then the non-basic transition of the GSPN model of the torpedo structure layer is expanded. Second
the isomorphism method is adopted to solve the maintenance sub-network GSPN model
and the steady-state availability analytical formula is employed to analyze the influence relationship between the testability parameters and the use availability (
A
0
). Finally
taking a certain type of torpedo as an example
the testability index solution and model simulation verification are carried out. The model simulation availability is A’=0.999 8
and the e
rror with the system requirement value is less than 1%
which verifies the feasibility and effectiveness of the constructed model.
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