Dynamic Sliding Mode Control Scheme for Electro-hydraulic Velocity Servo System

被引：0
|
作者：
Zhang, Qi [1 ]
Zhang, Jingdong [2 ,3 ]
Tang, Rui [1 ,3 ]
机构：
[1] Pan Zhihua Univ, Sch Mech & Elect Engn, Jichang Rd 10, Panzhihua 617000, Sichuan, Peoples R China
[2] Pan Zhihua Univ, Sch Transport & Automobile Engn, Panzhihua 617000, Sichuan, Peoples R China
[3] Sichuan Univ, Sch Mfg Sci & engn, Chengdu 61065, Peoples R China
来源：
ADVANCES IN APPLIED SCIENCE AND INDUSTRIAL TECHNOLOGY, PTS 1 AND 2 | 2013年 / 798-799卷
关键词：
electro-hydraulic servo control systems; mathenriatical model; Chartering; dynamic sliding mode control; simulation;
D O I：
10.4028/www.scientific.net/AMR.798-799.598
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pointing on uncertainties in the velocity servo system, caused by servo system can't model accurately, may cause the deterioration of the control quality of the electro-hydraulic servo system, and even lead to its instability. Sliding model control (SMC) strategy has been application in electro-hydraulic velocity servo control. Given that the quality and stability of servo system will be affected by the chartering phenomenon in the SMC, this paper proposes an approach to overcome the chattering: dynamic sliding mode control (DSMC). In this paper the mathematical model is established and the dynamic sliding mode controller is designed. Simulation and experiment indicated that: the proposed control strategy has good performance on velocity tracking and chattering reducing.The stability and control quality of the servo system are improved.
引用
收藏
页码：598 / +
页数：2
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