飞机起落架半主动控制系统的控制方法研究

利用磁流变阻尼器对起落架悬架系统进行半主动控制,将以前经常研究的二自由度起落架系统转换到一个考虑到反弹、着陆冲击时的俯仰和滚转运动的三自由度飞机系统来研究,能更好地模拟飞机的两个主起落架和前起落架轮的连续触地着陆的真实情况。磁流变阻尼器的半主动控制策略分别使用二种不同的控制器,即线性二次型调节器(LQR)和鲁棒控制器。斯宾塞模型用来预测的磁流变(MR)阻尼器的动力特性。对控制器在减少响应加速度和速度时的性能进行比较分析。仿真结果验证了飞机在着陆过程中受到干扰时鲁棒控制能提供较好的控制效果。

Semi-Active Control of Aircraft Landing Gear System Using Control Approach

Using magneto rheological damper of the suspension system of landing gear semi active control, it will be used to study the two degrees of freedom of the landing gear system conversion to a consideration to rebound, landing impact of pitch and roll movements of the three degree of freedom aircraft system to study.It can better simulate the flying machine two main landing gear and the front landing gear for touchdown landing. Magneto rheological damper semi-active control strategy, respectively, using two different controllers, namely linear quadratic regulation regulator (LQR) and robust H-infinity controller. The Spencer model is used to predict the dynamic characteristics of the magnetorheological (MR) damper. The performance of the controller in reducing response acceleration and speed is analyzed. The simulation results verify the plane interference when robust control can provide better control effect in the process of landing.