| 一种新型电液伺服阀 |
| |
| 引用本文： | 鄂世举,杨志刚,曲兴田,吴博达,程光明. 一种新型电液伺服阀[J]. 压电与声光, 2004, 26(5): 377-379,385 |
| |
| 作者姓名： | 鄂世举 杨志刚 曲兴田 吴博达 程光明 |
| |
| 作者单位： | 吉林大学,机械工程学院,长春,130025 |
| |
| 基金项目： | 国家“八六三”基金资助项目 ( 2 0 0 1AA42 3 2 70 ) |
| |
| 摘 要： | 研制了一种新型的直动式电液伺服阀．伺服阀的驱动器由压电元件实现。该伺服阀采用电反馈原理．利用位移传感器将位置信号反馈给伺服放大器．与伺服阀的压电驱动器形成一个闭环位置系统．提高了伺服阀的动静态性能。该文对伺服阀样机的静态特性进行了测试，分析了特性曲线上所表征的性能指标及其影响因素；依据实验曲线获得静态特性参数，与北京机床研究所生产的QDY-D40型电磁驱动直动式电液伺服阀进行比较．指出了该阀的优点和不足，并提出改进方法。
|
| 关 键 词： | 电液伺服阀 压电元件 静态特性 |
| 文章编号： | 1004-2474(2004)05-0377-03 |
A New-type of Electro-hydraulic Servo-valve |
| |
| E Shi-ju,YANG Zhi-gang,QU Xing-tian,WU Bo-da,CHENG Guang-ming. A New-type of Electro-hydraulic Servo-valve[J]. Piezoelectrics & Acoustooptics, 2004, 26(5): 377-379,385 |
| |
| Authors: | E Shi-ju YANG Zhi-gang QU Xing-tian WU Bo-da CHENG Guang-ming |
| |
| Abstract: | We design direct-driving electro-hydraulic servo-valve which is droven by piezoelectric components. A closing-loop controlling system is composed of a measuring displacement sensor used to feedback the displacement signals to servo-amplifier and the piezoelectric driver, which improved the dynamic and static states capability of the servo-valves. The static state nature of the servo-valve is measured, the capability parameters from nature curves and its affecting factors are analyzed. The static state capability parameters of the servo-valve are compared with those of the one(the model is QDY-D40) which is made by Beijing machine tool research institute. Besides the strongpoint, the deficiency is pointed out too. Furthermore, some ways to improve the capability of the valve are given. |
| |
| Keywords: | elecro-hydraulic servo-valve piezoelectricity components static states capability |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
