双喷嘴挡板电液伺服阀建模与仿真研究  

Research on modelling and similation of twin flapper-nozzle servo valve

作　　者：徐鑫[1] 

机构地区：[1]江苏科技大学机械与动力工程学院,镇江212003

出　　处：《机械设计与制造》2008年第4期59-61,共3页Machinery Design & Manufacture

摘　　要：介绍了QDY型双喷嘴挡板电液伺服阀的结构组成、工作原理和性能特点,通过数学建模获得了静、动态流量特性方程,并利用Matlab分析出该阀的动态性能。理论分析和仿真结果表明:双喷嘴挡板电液伺服阀具有良好的流量—电流比例特性,动态性能好。The construction, working principle and performance of the twinflapper-nozzle electro-hydraulic servo valve of QDY were introduced,and then equations on the static and dynamic PQ characteristics were achieved utilizing mathematic models.Dynamic performance was analysed utilizing matlab software. The theory analysis and simulation results indicate that the dualflapper-nozzleservo valve has good flow-current characteristics ,and it have good dynamic characteristics.

关 键 词：双喷嘴挡板电液伺服阀 数学模型 仿真曲线 

分 类 号：TH12[机械工程—机械设计及理论] TP391.9[自动化与计算机技术—计算机应用技术]