Failure Risk Assessment Method for Torpedo Fuses Based on GRA-FMEA

WANG Bo; XU Peng; WU Zhibo

doi:10.7643/ issn.1672-9242.2026.05.002

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Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (5) : 7-16. DOI: 10.7643/ issn.1672-9242.2026.05.002

Weapons Equipment

Failure Risk Assessment Method for Torpedo Fuses Based on GRA-FMEA

WANG Bo¹, XU Peng², WU Zhibo³

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Abstract

Traditional risk assessment methods for fuse failures suffer from shortcomings such as incomplete assessment, inability to identify potential risks in advance, and suboptimal optimization effects. The FMEA method was introduced to assess fuse failure risks. In response to the specific failure scenarios of typical underwater weapons torpedoes and the limitations of the FMEA method, an improved FMEA method based on grey correlation analysis (GRA) was proposed. The GRA-FMEA method defined 4 first-level assessment indicators (natural environment, battlefield conditions, design and manufacturing, and use and maintenance) and 10 second-level assessment indicators. A corresponding assessment system was constructed. Through case analysis of torpedo fuse failures, the proposed method demonstrates feasibility and superiority, making it suitable for assessing and quantifying fuse failure risks in underwater weapons such as torpedoes.

Key words

underwater weapons / torpedo fuse / anti-jamming efficiency / grey correlation analysis / improved FMEA method / failure risk assessment

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WANG Bo, XU Peng, WU Zhibo. Failure Risk Assessment Method for Torpedo Fuses Based on GRA-FMEA[J]. Equipment Environmental Engineering. 2026, 23(5): 7-16 https://doi.org/10.7643/ issn.1672-9242.2026.05.002

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