Systems Engineering and Electronics ›› 2025, Vol. 47 ›› Issue (9): 2985-2992.doi: 10.12305/j.issn.1001-506X.2025.09.19

• Systems Engineering • Previous Articles    

Invulnerability analysis of warship equipment support system-of-systems based on maintenance storage and supply interdependent network

Peng DI(), Yu GONG(), Haolin WEN()   

  1. Department of Management Engineering and Equipment Economics,Naval University of Engineering,Wuhan 430033,China
  • Received:2024-07-16 Online:2025-09-25 Published:2025-09-16
  • Contact: Peng DI E-mail:dipe@126.com;15721293370@163.com;1920191110@nue.edu.cn

Abstract:

In order to accurately describe the structural characteristics of the warship equipment support system-of-systems and analyze its functions and invulnerability, a inter dependent network model is constructed based on the maintenance network and storage and supply network. In conjunction with the maintenance support requirements of warship, six typical support patterns are summarized, and the structural characteristics of these support patterns in the inter dependent network are described by the task-connected subgraph. On this basis, a cascading failure model based on hybrid allocation strategy and a node importance evaluation indexes considering the importance difference of node bearing support tasks are proposed, and the proportion of remaining task-connected subgraphs is used as an evaluation index of network invulnerability. The simulation results show that the task importance indexes can accurately identify important nodes in network. Compared with traditional invulnerability indexes, the proportion of the remaining task-connected subgraph has higher sensitivity to the invulnerability change of the warship equipment support system-of-systems caused by node failure.

Key words: warship equipment support system-of-systems, invulnerability, interdependent network, task-connected subgraph

CLC Number: 

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