High-Order Mismatched Disturbance Compensation for Motion Control Systems Via a Continuous Dynamic Sliding-Mode Approach

被引:236
|
作者
Yang, Jun [1 ]
Su, Jinya [2 ]
Li, Shihua [1 ]
Yu, Xinghuo [3 ]
机构
[1] Southeast Univ, Sch Automat, Key Lab Measurement & Control CSE, Minist Educ, Nanjing 210096, Jiangsu, Peoples R China
[2] Univ Loughborough, Dept Aeronaut & Automot Engn, Loughborough LE11 3TU, Leics, England
[3] RMIT Univ, Platform Technol Res Inst, Melbourne, Vic 3001, Australia
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Dynamic sliding-mode control (DSMC); high-order mismatched disturbances; MAGLEV suspension vehicle; motion control systems; VARIABLE-STRUCTURE SYSTEMS; FINITE-TIME STABILITY; OBSERVER; SURFACE;
D O I
10.1109/TII.2013.2279232
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A new continuous dynamic sliding-mode control (CDSMC) method is proposed for high-order mismatched disturbance attenuation in motion control systems using a high-order sliding-mode differentiator. First, a new dynamic sliding surface is developed by incorporating the information of the estimates of disturbances and their high-order derivatives. A CDSMC law is then designed for a general motion control system with both high-order matched and mismatched disturbances, which can attenuate the effects of disturbances from the system output. The proposed control method is finally applied for the airgap control of a MAGnetic LEViation (MAGLEV) suspension vehicle. Simulation results show that the proposed method exhibits promising control performance in the presence of high-order matched and mismatched disturbances.
引用
收藏
页码:604 / 614
页数:11
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