直/气复合控制导弹的模型预测和自抗扰姿态控制设计

Attitude Control Design of Missiles with Dual Control Based on Model Predictive Control and Active Disturbance Rejection Control

针对直/气复合控制导弹姿态控制系统的特点,提出将非线性模型预测方法与自抗扰控制方法结合的姿态控制策略,设计姿控脉冲发动机阵列点火逻辑,在分析直接侧向力有限约束集的基础上提出直/气复合控制导弹姿态控制系统设计方法。仿真结果表明,所给出的复合控制策略可以有效抑制外部干扰和模型不确定性的影响,显著加快拦截导弹的过载响应速度。

Based on the control characteristics,a control strategy combining nonlinear model prediction control with active disturbance rejection control is presented,and corresponding design frame is constructed. Then the operation logic of pulse jet array is designed. By means of the analysis of finiteness of constraint set,the attitude control system design method of the dual control is given. Simulation results show that the proposed dual control strategy is insensitive to the parameter uncertainties of both model and exterior disturbance. Overload command can be tracked with high accuracy and fast response speed under the strategy.