飞行器半实物仿真中自适应电动加载系统设计

Adaptive Electric Loading System Design in Aircraft Hardware-in-the-loop Simulation

在飞行器半实物仿真系统中,需要精确模拟飞行器舵面气动载荷,针对舵机运动产生的多余力矩对系统性能的影响,通过构造自适应前馈控制器设计了自适应电动加载系统。基于模型参考自适应控制(MRAC)原理,通过构造合适的李亚普诺夫函数,证明了系统跟踪误差的渐近收敛性。仿真结果表明,自适应电动加载系统有效抑制了多余力矩,系统具有良好的跟踪性能。

For simulating accurately the aerodynamic hinge moment of aircraft control surface in the aircraft hardware-in-the-loop simulation, an adaptive electric loading system was designed by constructing the adaptive feedforward controller, considering the influence of the extraneous torque aroused from actuator motion. The convergence of the tracking error was proved by constructing proper Lyapunov function, based on the model reference adaptive control （MRAC）. The simulation results indicate that the extraneous torque can be eliminated effectively, and the adaptive electric loading system may get high tracking performance.