两级滑阀式电液伺服阀建模与特性研究  

Modeling and Characteristic Research of Electro-hydraulic Servo Valve with Two-Stage Spool Valves

作　　者：訚耀保[1] 李天宇 李聪[1] 江金林 张鑫彬 傅俊勇 YIN Yaobao;LI Tianyu;LI Cong;JIANG Jinlin;ZHANG Xinbin;FU Junyong(School of Mechanical Engineering,Tongji University,Shanghai 200092,China;Shanghai Aerospace Control Technology Institute,Shanghai 201109,China)

机构地区：[1]同济大学机械与能源工程学院,上海200092 [2]上海航天控制技术研究所,上海201109

出　　处：《流体测量与控制》2023年第1期1-5,共5页Fluid Measurement & Control

基　　金：国家自然科学基金资助项目(52175059)。

摘　　要：为了研究两级滑阀式电液伺服阀的静态、动态特性,建立了两级滑阀式伺服阀的数学模型,仿真分析了前置级和功率级结构参数对伺服阀性能的影响。结果表明:某型两级滑阀式电液伺服阀具有良好的静动态特性,其输出流量大、线性度好、动态响应快;通过所建立的数学模型,可优化两级滑阀式电液伺服阀前置级和功率级的结构参数,为提升动态响应性能提供理论参考。In order to study the static and dynamic characteristics of the two-stage slide valve electro-hydraulic servo valve,the mathematical model of the servo valve was established,and the influence of pre-stage and power stage structural parameters on the performance was simulated and analyzed.The results show that a type of two-stage slide valve electro hydraulic servo valve has good static and dynamic characteristics,with large output flow,good linearity and fast dynamic response.Through the established mathematical model,the structural parameters of the pre-stage and power stage can be optimized,which has theoretical reference significance for improving the dynamic response performance.

关 键 词：两级滑阀式伺服阀 前置级和功率级 数学模型 动态响应 

分 类 号：TH137[机械工程—机械制造及自动化]