Review of Research on Improved PID Control in Electro-hydraulic Servo System

被引：1
作者：
Li J. [1 ,2 ]
Li W. [2 ]
Liang H. [2 ]
Kong L. [2 ]
机构：
[1] Key Laboratory of Advanced Manufacturing and Intelligent Technology, Ministry of Education, Harbin University of Science and Technology, Harbin
[2] College of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin
来源：
Recent Patents on Engineering | 2024年 / 18卷 / 01期
基金：
中国国家自然科学基金;
关键词：
compound control; electro-hydraulic servo system; improved PID control; online adjustment strategy; parameter tuning; PID control;
D O I：
10.2174/1872212117666230210090351
中图分类号：
学科分类号：
摘要：
Background: Proportional-integral-differential (PID) controller is widely used in the engineering field because of its simple structure, high control accuracy, and easy operation. Different patented PID control technologies have their own advantages, disadvantages, and application scenarios. Objective: By analyzing and discussing the improved PID control techniques in the electro-hydraulic servo system, some valuable conclusions have been drawn to predict the future research and development of PID control techniques. Methods: The improved PID control techniques applied to electro-hydraulic servo systems are clas-sified into three categories: PID parameter tuning technology, PID parameter online adjustment strategy and compound control strategy combined with PID algorithm. Results: By comparing the principles and characteristics of the above techniques, the advantages, disadvantages and application scenarios of each are analyzed, and the further development of PID control technology is discussed. Conclusion: Based on the characteristics of electro-hydraulic servo systems, the further combination of the three types of technology can make up for the shortcomings of PID algorithms to form a control strategy with high control accuracy, high robustness, and fast response speed. © 2024, Bentham Science Publishers. All rights reserved.
引用
收藏
页码：54 / 68
页数：14
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