无人机液压弹射系统动态复合控制试验研究

Experimental Study on Dynamic Compound Control of UAV Hydraulic Ejection System

无人机液压弹射系统是飞机弹射起飞非常重要的机电液综合装置,针对变工况状态下无人机液压弹射系统的动态稳定性问题,在无人机液压弹射系统结构的基础上,对系统关键液压部件建立数学模型,分析了主要的系统参数对弹射性能的影响,采用参数辨识和模型预测算法相结合的复合控制方法进行运动优化控制,在已构建的无人机液压弹射系统性能实验平台中验证了不同工况下的运动性能,试验结果表明该动态复合控制方法能够高效地提升液压弹射系统的运动性能,确保整个系统稳定运行。

The UAV hydraulic ejection system is a very important electromechanical and hydraulic integrated device for aircraft ejection and takeoff.Aiming at the dynamic stability problem of the UAV hydraulic ejection system under variable working conditions,based on the structure of the UAV hydraulic ejection system,a mathematical model is established for the key hydraulic components of the system,and the impact of the main system parameters on the ejection performance is analyzed,The composite control method combining parameter identification and model prediction algorithm is used for motion optimization control.The motion performance under different working conditions is verified in the built UAV hydraulic ejection system performance experiment platform.The test results show that the dynamic composite control method can effectively improve the motion performance of the hydraulic ejection system and ensure the stable operation of the entire system.