Tuning Method for Electro-hydraulic Servo System's PID Controller Based on Fibonacci-search Algorithm

被引：0
|
作者：
Rao, Jinjun [1 ]
Dai, Longkun [1 ]
Wang, Yaxing [1 ]
机构：
[1] Shanghai Univ, Dept Precis Mech Engn, Shanghai, Peoples R China
来源：
2019 IEEE 4TH INTERNATIONAL CONFERENCE ON ADVANCED ROBOTICS AND MECHATRONICS (ICARM 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
electro-hydraulic servo system; optimality criterion; PID controller; Fibonacci-search method;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper proposes an optimal tuning PI controller based on Fibonacci-search method, which is used to control electro-hydraulic servo system. As we all know, electro-hydraulic servo system has a high nonlinearity as a result of leakage and frictions. Considering the effect of nonlinearity to modeling and controlling, an optimality criterion is introduced to improve the system's control performance. Fibonacci-search method, which aims at finding the optimal point of the defined optimality criterion and tuning the PI controller, is discussed in this paper. Through this method, we can complete the tuning of parameter quickly and accurately. According to the simulation results, the controller has ability to improve electro-hydraulic servo system's rapidity and stability.
引用
收藏
页码：805 / 809
页数：5
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