基于ADRC和模型预测控制的直驱伺服阀振荡抑制研究  

Research on Spool Vibration Suppression of Direct Drive Servo Valve Based on ADRC and MPC

作　　者：任鹏达 张伟[2] 谢志刚[2] 王彬[1,3] Ren Pengda;Zhang Wei;Xie Zhigang;Wang bin(Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;AVIC Xi’an Flight Automatic Control Research Institute,Xi’an 710076,China;Jiangsu Province Key Laboratory of Aerospace Power System,Nanjing 210016,China)

机构地区：[1]南京航空航天大学,江苏南京210016 [2]航空工业西安飞行自动控制研究所,陕西西安710076 [3]江苏省航空动力系统重点实验室,江苏南京210016

出　　处：《航空科学技术》2024年第2期92-99,共8页Aeronautical Science & Technology

基　　金：航空科学基金(201907052001)。

摘　　要：直驱伺服阀因构造简单、抗污染能力强、输出功率大等突出优势,逐渐扩展其应用场景。作为飞控系统的关键部件之一,电液伺服阀的特性与可靠性直接关乎飞行性能与安全。本文针对某型航空用双系统直驱伺服阀存在的阀芯振荡问题,探究基于方法的伺服阀振荡抑制策略。建立了该直驱伺服阀系统的部件级数学模型,并与突变液流力模型联合运算;设计了自抗扰控制器(ADRC)和模型预测的复合控制方法,并与传统比例积分微分(PID)控制方法进行仿真对比。结果表明,ADRC和模型预测的复合控制方法对直线电机电流的高频小范围调节可有效抵消突变液流力对阀芯运动的影响,从而为直驱伺服阀在复杂受力环境下的控制器设计提供理论参考。Direct drive servo valve gradually expands its application scenarios because of its advantages such as simple structure,strong antipollution ability and large output power.As one of the key components of flight control system,the characteristics and reliability of electro-hydraulic servo valve are directly related to flight performance and safety.In order to solve the problem of spool oscillation of a type of dual-system direct drive servo valve for aviation,a new control method for spool oscillation suppression is proposed in this paper.The component level mathematical model of the direct drive servo valve system is established,and the calculation is combined with the sudden fluid flow force model in the previous study.The composite control method of ADRC and active prediction is designed and compared with the traditional PID control method.The results show that the combined control method of ADRC and active prediction can effectively counteract the influence of sudden fluid flow force on the spool movement of linear motor current,and provide a theoretical reference for the controller design of direct drive servo valve under complex stress environment.

关 键 词：双系统直驱伺服阀 自抗扰控制器 模型预测控制 阀芯振荡 突变液流力 

分 类 号：V249.1[航空宇航科学与技术—飞行器设计]