基于变结构控制的反鱼雷鱼雷导引律设计

基金项目: 船舶工业国防科技预研基金项目资助(401060901-0261-002)

Design of Guidance Law for Anti-torpedo Torpedo Based on Variable Structure Control

1.
Training Department, Naval University of Engineering, Wuhan 430033, China
2.
Department of Weaponry Engineer-ing, Naval University of Engineering, Wuhan 430033, China

摘要: 针对传统鱼雷导引律命中精度低、弹道法向过载大的不足, 设计了基于变结构控制的反鱼雷鱼雷(ATT)导引律。该导引律以反鱼雷鱼雷和目标鱼雷之间运动关系数学模型为基础, 建立了以航向角作为控制量, 视线角速度作为滑模面的变结构控制模型, 该模型所需参数少, 且模型参数能够自适应调整。理论推导和仿真结果表明, 该导引律对模型参数及环境干扰具有很强的鲁棒性, 弹道稳定平滑, 具有非常高的命中精度。
- 反鱼雷鱼雷 /
- 变结构控制 /
- 导引律 /
- 鲁棒性
Abstract: Aiming at the low hitting precision and big normal overload of traditional torpedo guidance law, a guidance law for an anti-torpedo torpedo(ATT) based on variable structure control is designed. This ATT guidance law is on the basis of a mathematical model of movement relation between an ATT and a target torpedo. A variable structure control model is established taking course angle as control parameter and angular speed of line-of-sight as sliding mode surface. The proposed model needs a few parameters, and the parameters can be self-adaptively adjusted. Theoretical analysis and simulation show that the ATT guidance law is very robust for model parameters and environmental interference, and can gain high hitting precision and stable trajectory.
- anti-torpedo torpedo (ATT) /
- variable structure control /
- guidance law /
- robustness

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