Research on electro-hydraulic control system based on representing root locus

被引：0
|
作者：
Shen, Haikuo [1 ]
机构：
[1] School of Mechanical Electronic and Control Engineering, Beijing Jiaotong University, Beijing
来源：
Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2015年 / 23卷
关键词：
Electro-hydraulic control system; Nonlinearity; Representing root locus;
D O I：
10.16058/j.issn.1005-0930.2015.s1.018
中图分类号：
学科分类号：
摘要：
An approach of describing root locus is proposed to analyze the controlled characteristics of complex electro-hydraulic system. This approach is composed of analytical and simulated mathematical model. Single or multiple parameters are extracted on the basis of nonlinearity model, and the value sequence is planned to be used in the simulation. The curve of root locus is obtained to analyze the influence of given parameters on the controlled characteristics of system. The constants of motor time and hydraulic time are used to describe the root locus, and the effect of these two parameters on stability and response of the system is gained, which provides the basis for determining the key parameters of motor and hydraulic system. Due to no processing of linearization and reduced order, this approach can greatly simplify the analyzed process. And also, it can quantify the system of high order and nonlinearity system. A novel method is obtained to investigate the complex electro-hydraulic system. ©, 2015, Editorial Board of Journal of Basic Science and Engineering. All right reserved.
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页码：168 / 177
页数：9
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