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为了解决导引头探测由于高速运动所引起的干扰问题,提出了空间拦截的前置拦截方式。在建立了前置追踪导引方式的三维制导模型的基础上,对机动目标拦截基于李亚普诺夫稳定性分析方法设计了一种前置追踪非线性变结构制导律。前置追踪制导律将拦截器导引到目标轨道的前方进行拦截,要求拦截器的速度小于目标导弹的速度。拦截器和目标导弹弹道拦截的三维数字仿真验证了制导模型和制导律的正确性。
In order to solve the problem of seeker detecting interference caused by high-speed motion, a pre-interception method of space interception is proposed. Based on the three-dimensional guidance model of the pre-guided guidance system, a pre-tracking nonlinear variable structure guidance law is designed for maneuvering target interception based on Lyapunov stability analysis. The front tracking guidance law intercepts the interceptor in front of the target orbit, requiring the interceptor speed to be less than that of the target missile. The three-dimensional numerical simulation of interceptor and target missile ballistic interception verifies the correctness of the guidance model and the guidance law.