BTT导弹分块模型组合非线性控制器设计与仿真

Nonlinear Combined Controller Design and Simulation Based on Block Model for BTT Missile

提出了基于导弹非线性分块模型的组合控制方法。对于弹道倾角和弹道偏角采用动态反馈,以及对非仿射型非线性系统的处理方法,保证跟踪误差收敛。姿态角、角速度层的控制,充分考虑了导弹气动参数不确定性和未建模动态、控制量输入的不确定性。对于不确定性采用自适应反演(backstepping)变结构控制方法。对BTT导弹6DOF非线性模型的仿真结果显示了本文方法的有效性。

A combined control method is proposed based on nonlinear block model of missiles. A nonlinear control strategy for flight path angle and flight path azimuth angle is used to deal with the nonlinear non-affine system model. It is referred to as the dynamic feedback control that can guarantee that tracking errors converge exponentially. For attitude angles and angular velocities control, an adaptive backstepping and variable control method are used and parameter uncertainties, unmolded dynamic and uncertainties of control inputs are considered. Finally, nonlinear six-degree-of-freedom simulation results for BTT missile model are presented to demonstrate the effectiveness of proposed control law.