制导炸弹滚转通道控制方法研究

Control Method of Guided Bombs in Roll Channel

制导炸弹飞行过程中,弹体动力学参数发生较大变化,同时弹体受到各种干扰因素的影响。为了保证制导精度,要求控制器具有良好的鲁棒性和指令跟踪能力。基于参数空间方法和变结构控制理论,提出了两种制导炸弹滚动通道控制器设计方法。首先,从理论上对两种控制器的鲁棒性进行了分析;然后,分别使用两种方法对某制导炸弹滚转通道控制器进行了设计。最后经仿真分析,两种控制器均具有良好的鲁棒性;在指令跟踪能力上,变结构控制器要优于参数空间方法控制器。

During the flight of guided bomb,projectile dynamic parameters changed greatly,while projectile suffured various interference factors.In order to ensure the guidance precision,the controller requires good robustness and instruction trace capabilities.Base on parameter space methods and variable structure control theory,two kind controller design of guided bombs are offered for roll channel.First,theoretically analyzed the robustness of the two controllers.Then,designed two ways to one guided bombs roll channel controller.After the simulation analysis,both controllers have good robustness.In the instruction trace capabilities,variable structure control method is superior to the controller parameter space.