一种基于零脱靶量的最优制导律设计

基于导弹和目标的三维相对运动关系,提出了一种三维非线性的最优制导律.在导弹和目标的三维相对运动方程的基础上,区别于以往的以视线角和视线角速率作为状态变量的方法,而采用以相对距离和相对速度作为状态变量的方法建立了一种新的状态方程,然后基于零脱靶量的思想,利用最优控制相关理论,设计了一种三维非线性的最优制导律.分别针对匀速运动的目标和大机动目标,用所设计的制导律和比例导引律分别进行了数学仿真,结果表明,所设计的最优制导律能有效地拦截机动目标,其性能优于比例导引律.

An Optimal Guidance Law Based on Zero Miss-distance

A nonlinear three-dimensional optimal guidance law is designed. The relative kinematical equations for missile and target are set up,and a new method different from the conventional method is used to set up the state equation. And then a nonlinear three-dimensional optimal guidance law is developed by the theory of optimal control,based on zero miss-distance. At the end,for different targets,computer simulations have been done,and the results show that the optimal guidance law can intercept maneuvering targ...