针对姿控式直接力/气动力复合控制导弹，提出一种基于动态逆的H∞最优输出跟踪控制方法。该方法考虑了复合控制导弹的非线性因素，将动态逆回路作为控制系统的内环以抵消系统的非线性因素，同时考虑系统实际存在的参数不确定性以及外部干扰，将鲁棒控制器作为外环以提高整个系统的鲁棒性。其中鲁棒控制器将传统的H∞控制与最优输出跟踪控制相结合，既能有效地抑制干扰，降低系统对参数摄动的敏感程度，又能提高系统的跟踪性能。仿真结果表明，复合控制系统具有较强的抗干扰能力，在保证系统稳定的同时，也达到满意的控制效果。针对姿控式直接力/气动力复合控制导弹，提出一种基于动态逆的H∞最优输出跟踪控制方法。该方法考虑了复合控制导弹的非线性因素，将动态逆回路作为控制系统的内环以抵消系统的非线性因素，同时考虑系统实际存在的参数不确定性以及外部干扰，将鲁棒控制器作为外环以提高整个系统的鲁棒性。其中鲁棒控制器将传统的H∞控制与最优输出跟踪控制相结合，既能有效地抑制干扰，降低系统对参数摄动的敏感程度，又能提高系统的跟踪性能。仿真结果表明，复合控制系统具有较强的抗干扰能力，在保证系统稳定的同时，也达到满意的控制效果。
Abstract
A control scheme is proposed for dual-controlled missile with tails and reaction jets based on the dynamic inverse theory and H∞ optimal output tracking control. In the scheme, the nonlinear factor of dual-controlled missile is considered, the dynamic inverse loop is used as inner loop of control system to counteract the nonlinear factor, and the robust controller is used as outer loop under the consideration of uncertainty and disturbance. The robust controllers are designed with H∞ control and optimal output tracking control to restrain the disturbance and preference uncertainty effectively and improve the tracking performance of control system. Simulation results show that the control system possesses better robustness and improves the tracking performance of system.
关键词
控制科学与技术 /
复合控制 /
H∞控制 /
输出跟踪 /
动态逆 /
不确定性
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Key words
control science and technology /
dual-control /
H∞ control /
output tracking /
dynamic inverse /
uncertainty
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