转速可调泵直接闭环控制差动缸伺服系统的动特性  

DYNAMIC PERFORMANCE OF ELECTRO-HYDRAULIC SERVO SYSTEM WITH SPEED VARIABLE PUMPS

作　　者：权龙[1] Neubert T Helduser S 

机构地区：[1]太原理工大学机械电子工程研究所,太原030024 [2]德国德累斯顿工业大学

出　　处：《机械工程学报》2003年第2期13-17,共5页Journal of Mechanical Engineering

基　　金：国家自然科学基金(50275102);教育部留学回国人员科研启动基金(2001345)资助项目。

摘　　要：介绍新提出的用变转速液压泵闭环控制的差动缸电液伺服系统。新的原理是一项对环境有益的电液控制技术,组成的系统不存在原理上的节流损失,且在辅助工作周期不消耗能量,因而可极大地提高电液伺服系统的效率,研究表明,应用新提出的总压力控制原理,系统能获得与阀控回路相当的动态特性。The electro-hydraulic servo system directly controlled with speed variable pumps is a competitive and environmental beneficial driving principle. In this system the all throttle losing existed in principle can be eliminated and hardly consume any energy in the pause period, so the system has good efficiency and low noise. The dynamic performance is investigated with theoretical, simulation and experimental methods. The results show that the dynamic and static performance can be compared with the systems controlled by a servo valve.

关 键 词：动特性 电流伺服控制 转速可调泵 差动缸回路 液压泵 

分 类 号：TH137.51[机械工程—机械制造及自动化]