Analysis of Damage Effectiveness for Underwater Vehicles Equipped with Terminal Guidance Mechanism

CAI Yi; MA Feng; ZHU Wei; JIA Xiyu; XUE Jianmin

doi:10.11993/j.issn.2096-3920.2026-0037

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CAI Yi, MA Feng, ZHU Wei, JIA Xiyu, XUE Jianmin. Analysis of Damage Effectiveness for Underwater Vehicles Equipped with Terminal Guidance Mechanism[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0037

Citation:

CAI Yi, MA Feng, ZHU Wei, JIA Xiyu, XUE Jianmin. Analysis of Damage Effectiveness for Underwater Vehicles Equipped with Terminal Guidance Mechanism[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0037

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Analysis of Damage Effectiveness for Underwater Vehicles Equipped with Terminal Guidance Mechanism

doi: 10.11993/j.issn.2096-3920.2026-0037

State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing 100081, China

Received Date: 2026-02-10
Accepted Date: 2026-03-27
Rev Recd Date: 2026-03-24

Available Online: 2026-09-11

Abstract

Abstract

Under the background of the development of underwater precise and efficient damage technology, the damage effectiveness assessment for mobile targets needs to more comprehensively consider the integrated effects of multiple subsystem parameters such as guidance, fuze, and warhead. This paper proposes a damage effectiveness assessment method for underwater mobile weapons that introduces a terminal guidance mechanism. This method retrospectively analyzes the terminal guidance mechanism, introduces two types of error models for control and guidance, and performs Monte Carlo sampling on random trajectories to obtain the explosion point locations. The paper adopts three typical guidance laws, establishes a terminal trajectory model, and thereby achieves damage effectiveness analysis under mobile conditions. Case study analysis shows that compared to the direct aiming method, the sliding mode guidance law has a higher probability of severe damage when striking mobile targets. Taking the proportional navigation method striking a serpentine target as an example, the influence of multiple coupled parameters on the final damage effectiveness is analyzed. The results indicate that to achieve stable and efficient damage, the ammunition needs to reach 2 to 3 times the target speed, a guidance coefficient above 1.5, a relatively ideal fuze activation distance of 2.5m to 4m, and a relatively ideal delay time below 0.4s. This method can comprehensively consider the parameters of multiple subsystems such as guidance, fuze, and warhead, and can more accurately and comprehensively reflect the influence of parameters on damage results under mobile conditions, providing references for the optimal design and operational application of underwater weapons.
- Damage Effectiveness Evaluation,
- Terminal Guidance,
- Underwater Weapons

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References(17)

References

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