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首页> 外文期刊>International Journal of Innovative Computing Information and Control >ADAPTIVE SLIDING MODE GUIDANCE LAW WITH PRESCRIBED PERFORMANCE FOR INTERCEPTING MANEUVERING TARGET
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ADAPTIVE SLIDING MODE GUIDANCE LAW WITH PRESCRIBED PERFORMANCE FOR INTERCEPTING MANEUVERING TARGET

机译：具有规定性能的自适应滑模模式制导律，用于拦截机动目标

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摘要

This paper describes sliding mode guidance laws with prescribed performance for maneuvering targets. The proposed guidance laws, which combine a novel error variable function with a new sliding mode surface, ensure that the line of sight (LOS) angle converges to the desired value and the LOS tracking error converges to an arbitrarily small residual set faster than some pre-designed rate. By combining the system tracking error with the prescribed performance function, a novel error variable function is designed and a new sliding mode surface is proposed. The key concept in this approach is to transform the prescribed performance constraint problem into that of the boundedness of the error variable function. The boundedness of the novel sliding mode surface ensures that the system state converges according to the prescribed performance. Additionally, this paper discusses the problem whereby the upper bound of the aggregate uncertainty, including the target information, is unavailable. An adaptive guidance law is presented for this scenario. Finally, simulation results are compared with those using other guidance laws. Numerical simulations show that the guidance laws presented in this paper achieve effective performance and can ensure the LOS angle converges to the desired value.
机译：本文描述了具有规定性能的机动目标滑模制导律。拟议的制导律将新颖的误差变量函数与新的滑模表面相结合，可确保视线（LOS）角收敛到所需值，并且LOS跟踪误差收敛到任意小的残差集（比某些预先设定的更快）设计速率。通过将系统跟踪误差与规定的性能函数相结合，设计了一种新型的误差变量函数，并提出了一种新的滑模面。这种方法的关键概念是将规定的性能约束问题转换为误差变量函数的有界性问题。新颖的滑模表面的有界性确保系统状态根据规定的性能收敛。此外，本文讨论了无法获得包括目标信息在内的总体不确定性上限的问题。针对这种情况提出了一种自适应制导律。最后，将仿真结果与使用其他制导律的仿真结果进行比较。数值仿真表明，本文提出的制导律具有良好的性能，可以保证视距角收敛到理想值。

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