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《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:

期数:

2019年02期

页码:

3-7

栏目:

出版日期:

2019-04-15

文章信息/Info

Title:

Modeling and research on fuzzy adaptive PID control for hydraulic servo system

作者:

赵国新1; 吕文洋1; 刘昌龙1; 2; 陈志炼1; 2

1.北京石油化工学院 信息工程学院，北京 102617；2.北京化工大学 信息科学与技术学院，北京 100029

Author(s):

ZHAO Guoxin1;  LV Wenyang1;  LIU Changlong1; 2;  CHEN Zhilian1; 2

1. College of Information Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;2. College of Information Science & Technology, Beijing University of Chemical Technology, Beijing 100029, China)

关键词:

液压伺服系统; 建模; PID控制; 模糊自适应PID控制

Keywords:

hydraulic servo system;  modeling;  PID control;  fuzzy adaptive PID control

分类号:

TP273

DOI:

1000-0682(2019)02-0000-00

文献标志码:

A

摘要:

液压伺服系统中存在非线性、参数变化、外负载干扰等问题，这些特点和问题很大程度上影响了液压伺服系统的性能。传统的PID控制在解决高精度非线性控制问题时效果不理想，一种模糊自适应PID控制方法被提出。针对液压阀控非对称缸系统，该文分析并建立了阀控非对称缸位置控制系统的动态数学模型。基于MATLAB仿真软件，将传统PID控制策略与模糊自适应PID控制策略分别应用于阀控非对称缸的位置控制中，进行仿真研究。仿真实验结果表明，采用模糊自适应PID控制器系统能克服传统PID控制器的局限性，且具有较强的鲁棒性，较好的动态品质以及较高的控制精度。

Abstract:

The hydraulic servo system has the problems of nonlinear,parameter change and external load interference.The performance of the hydraulic servo system is greatly influenced by these characteristics and problems.Traditional PID control is not ideal when solving high-precision nonlinear control problems.A fuzzy adaptive PID control method is proposed.For the hydraulic valve-controlled asymmetric cylinder system,the dynamic mathematical model of valve-controlled cylinder position control system was analyzed and established in this paper. Based on the MATLAB simulation software,the traditional PID control strategy and the fuzzy adaptive PID control strategy are applied to the position control of the valve controlled asymmetric cylinder respectively,and the simulation is carried out.The results of simulation experiments show that the adoption of fuzzy self-adaptive PID controller can overcome the limitations of traditional PID controller,and it has strong robustness, good dynamic quality and high control precision.

参考文献/References:

[1] 解云鹏.冷带轧机厚控系统自适应变结构控制研究[D].秦皇岛:燕山大学,2011.

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备注/Memo

备注/Memo:

收稿日期：2018-06-26

基金项目：国家自然科学基金(51405023)

作者简介：赵国新，男，辽宁铁岭人，硕士，教授，硕士生导师，主要研究方向为工业控制系统和信息安全。

常用功能

更新日期/Last Update: 2019-04-15