Effects of Supply Pressures on Two-Stage Electro-Hydraulic Servo Valve

被引：0
|
作者：
Yan Jie [1 ]
Pan Hongliang [2 ]
机构：
[1] NorthWestern Polytech Univ, Coll Marine Engn, Xian 710072, Peoples R China
[2] NorthWestern Polytech Univ, Natl Key Lab Sci & Technol UAV, Xian 710072, Peoples R China
来源：
2010 INTERNATIONAL COLLOQUIUM ON COMPUTING, COMMUNICATION, CONTROL, AND MANAGEMENT (CCCM2010), VOL III | 2010年
关键词：
Electro-hydraulics; servo-control; modeling; simulation; tuning; CONTROL-SYSTEM; CONTROLLER;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In order to examine the performance of electro-hydraulic servo-valve applied to aero turbo engines, a mathematical model of a typical two-stage electro-hydraulic servo-valve was established. Under SIMULINK simulations were performed at varied fuel supply pressures. The model was validated with the experimental data. Simulation results showed that the flow rates decrease and the dynamic process are characterized from overshoot to no-overshoot when the supply pressures decrease. First order-lag transfer functions were obtained having varied valve gains and time constants for the relationship of the spool position and input voltage.
引用
收藏
页码：714 / 717
页数：4
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