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针对高超音速飞行器输入输出之间强耦合,系统参数不确定以及变结构控制器中的设计参数整定问题,提出了随机鲁棒变结构控制方案;这一控制方案基于系统控制需求,利用蒙特卡罗仿真方法建立随机鲁棒目标函数,通过遗传算法优化系统设计参数;针对某常规高超音速飞行器纵向模型仿真结果显示,该控制方案不仅保证了飞行的纵向稳定性,提高了变结构控制器的控制性能,而且具有强鲁棒性。
Aiming at the strong coupling between the input and the output of hypersonic vehicles, the uncertainty of the system parameters and the tuning of the design parameters in the variable structure controller, a stochastic robust variable structure control scheme is proposed. The control scheme is based on the system control requirements and the use of Monte Carlo The simulation method establishes a stochastic robust objective function and optimizes the system design parameters by genetic algorithm. Simulation results of a longitudinal model of a conventional hypersonic vehicle show that the control scheme not only ensures the longitudinal stability of the flight, but also improves the control performance of the variable structure controller , But also strong robustness.