考虑视场角约束的捷联导引与控制一体化设计  

Integrated Guidance and Control for A Strap-down Missile Considering Body Field-of-View Angle Constraints

作　　者：赵斌[1] 周军[1] ZHAO Bin;ZHOU Jun(Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi＇an 710072, China)

机构地区：[1]西北工业大学精确制导与控制研究所,西安710072

出　　处：《宇航学报》2018年第4期392-400,共9页Journal of Astronautics

基　　金：国家自然科学基金(61703339)

摘　　要：针对现有导引与控制一体化设计方法在用于捷联战术导弹时存在无法保证弹目视线满足导引头视场角约束的问题,将捷联解耦原理和状态约束控制方法相结合提出一种新型考虑视场角约束的捷联导引与控制一体化设计方法。首先引入捷联解耦原理建立捷联导引与控制一体化设计模型,将其转换为严格反馈系统;其次,针对系统模型存在的不确定扰动,设计了一种对不确定上界平方进行估计的自适应律;第三,针对视场角约束问题,采用积分型障碍Lyapunov函数结合动态面控制设计了一体化导引与控制规律。最后通过Lyapunov理论证明了闭环系统的稳定性和所有信号的一致有界。数值仿真结果校验了设计方法的有效性。The traditional integrated guidance and control method can＇ t ensure that the line-of-sight （LOS） satisfies the field-of-view angle constraint of the strap-down seeker. In view of this problem, a new integrated guidance and control method for a strap-down missile considering body field-of-view （FOV） angle constraints is proposed by combining the strap- clown decoupling principle and state eonstraint control method in this paper. Firstly, the integrated guidance and control model considering the FOV constraint is buih by employing the strap-down decoupling method, based on which the strict feedback state equation model is derived ; secondly, a novel adaptive law for estimating the square of the disturbance bound is designed; thirdly, the FOV constraint issue is handled based on the integral Barrier Lyapunov function and the dynamic surface control. At last, the stability of the dosed system and the uniform ultimately boundedness of the signals are proved by the Lyapunov theorem. The numerical simulations imply the effectiveness of the proposed method.

关 键 词：捷联导引头 状态约束 障碍函数 干扰自适应 导引与控制一体化 

分 类 号：V448.13[航空宇航科学与技术—飞行器设计]