拦截弹非线性在线最优中制导方法研究  

Nonlinear online optimal guidance method of interceptor missile midcourse guidance

作　　者：徐翔 陈万春[1] 杨良[1] XU Xiang;CHEN Wanchun;YANG Liang(School of Astronautics,Beihang University,Beijing 100191,China)

机构地区：[1]北京航空航天大学宇航学院,北京100191

出　　处：《飞行力学》2024年第5期77-82,88,共7页Flight Dynamics

摘　　要：针对拦截弹的非线性最优制导解算问题,基于线性伪谱法的基本理论,提出了适用于拦截弹中制导段的闭环在线最优制导方法。首先,对THAAD拦截弹进行建模,并建立拦截弹中段最优制导问题的数学模型;然后,采用所提方法对该问题进行求解;最后,设置三种算例对该方法的适应性和计算性能进行了仿真验证。仿真结果表明,所提方法的求解结果与非线性最优解非常接近,且具有更高的求解效率,满足在线应用的需求。For the problem of nonlinear optimal guidance solution of interceptor missiles,a closed-loop online optimal guidance method suitable for interceptor missile midcourse guidance was pro-posed based on the basic theory of linear Gauss pseudos pectral method.Firstly,THAAD interceptor missile was modeled,and the mathematical model of the optimal guidance problem in the midcourse guidance of interceptor missiles was established,and then the proposed method was used to solve the problem.Finally,three examples were set to simulate and verify the adaptability and computational performance of the method.The simulation results show that the solution result of the proposed meth-od is very close to the nonlinear optimal solution,and has higher solving efficiency,which meets the needs of online application.

关 键 词：THAAD拦截弹 中段制导 在线最优制导 

分 类 号：TJ765[兵器科学与技术—武器系统与运用工程]