含落角约束打击运动目标滑模制导律设计

Impact angle constrained guidance against moving target using slide-mode guidance law

以打击地面运动目标为研究对象,提出了一种带落角约束的滑模变结构制导律。通过将目标视为参照原点,从而将定常速度打击运动目标的问题转化为时变速度打击固定目标的问题。在此模型基础上,进一步分析得到了打击运动目标的稳定状态条件。结合该稳定状态及落角约束条件,利用滑模变结构理论设计得到该制导律。仿真结果表明,该制导律可以对运动目标实现全向打击并且具有良好的制导性能。

In this paper, a new impact-angle-constrained slide-mode guidance law against moving targets is proposed. Viewing the target as a reference, we can convert the problem against moving target to the one against stationary target. Then, the new steady-state condition can be obtained by analyzing. Combining the steady-state condition and the impact-angle constraint, the new slide-mode guidance law can be derived. Simulation shows that the guidance law can achieve all impact angles and has a good guidance performance.