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雷达寻的导弹在末端寻的工作方式中,其导引头接收到的目标视线与真实目标视线有一误差,此误差的大小与天线罩折射斜率 R 有关,R 的引入增加了弹体角运动之间的耦合,恶化了系统的动态性能,必须予以补偿。本文从另一个侧面将天线罩折射斜率误差对导弹系统的影响,归结为对一参数时变、不确定性系统的控制问题,利用带遗忘因子的最小二乘辩识法,快速辩识系统参数,采用自适应控制策略,重新构造新的控制律。仿真结果表明对天线罩折射误差有较好的抑制作用。
Radar seeking missiles in the end to find the way of work, the seeker receives the target line of sight and the true target line of sight has an error, the size of the error with the radome refraction R, R introduced an increase of body movement The coupling between them deteriorates the dynamic performance of the system and must be compensated. In this paper, the influence of radome’s slope error of refraction on the missile system is attributed to the control of one-parameter time-varying and uncertain system from another aspect. By using the least square method with forgetting factor, the system parameters , Using adaptive control strategy to reconstruct the new control law. Simulation results show that the radome has a good inhibition of refractive error.