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针对电传飞行控制系统中被控对象模型参数时变的特点,应用模型参考自适应控制方法设计纵向控制律。论述飞机纵向运动的动力学模型和参考模型的建立,以及基于此参考模型用超稳定性理论设计自适应控制律的方法,并且通过仿真试验进行控制性能验证。仿真结果表明,所设计的控制律可以根据飞行状态的不同自适应的调节控制律,控制性能指标满足飞行品质规范要求,设计方法可行。
Aiming at the time-varying characteristics of the controlled object model parameters in the flight control system of the teletype, the longitudinal reference control law is designed by using the model reference adaptive control method. The establishment of dynamic model and reference model for the longitudinal movement of aircraft and the method of designing adaptive control law based on this reference model with the theory of ultra stability are also discussed. The control performance is verified through simulation experiments. The simulation results show that the designed control law can adaptively regulate the control law according to the different flight states, and the control performance index can meet the requirements of flight quality standard and the design method is feasible.