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针对带有侧向喷流姿控发动机和尾部气动舵的导弹,建立了系统动力学模型和运动学模型,并对模型进行了分析和简化;考虑到侧向过载输出响应快速性的要求,采用侧向喷流发动机提供姿态控制力矩快速建立过载。基于侧向喷流发动机的工作特点,采用Fliess展式得到侧向过载输出的预测和侧向喷流发动机推力放大因子的估计,并以此为基础,提出了以侧向喷流发动机为执行机构的姿态控制律优化设计方法,实现了对侧向过载的快速跟踪。仿真结果说明了所提出方法的有效性。
For the missile with lateral jet attitude control engine and aft aerodynamic rudder, the system dynamics model and kinematics model are established, and the model is analyzed and simplified. Considering the requirement of rapid response of lateral overload output response, Lateral jet engines provide attitude control torque to quickly establish overload. Based on the working characteristics of the lateral jet engine, the prediction of the lateral overload output and the estimation of the thrust amplification factor of the lateral jet engine are obtained by using the Fliess expansion formula. Based on this, the lateral jet engine is proposed as the implementing agency The attitude control law optimizes the design method to realize the fast tracking of the lateral overload. The simulation results show the effectiveness of the proposed method.