Active Disturbance Rejection Control Based on an Improved Equivalent-Input-Disturbance Approach

被引：43
|
作者：
Liu, Rui-Juan [1 ,2 ]
Wu, Min [1 ,2 ]
Liu, Guo-Ping [3 ,4 ]
She, Jinhua [5 ]
Thomas, Clive [3 ]
机构：
[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Peoples R China
[2] Hunan Engn Lab Adv Control & Intelligent Automat, Changsha 410083, Peoples R China
[3] Univ Glamorgan, Fac Adv Technol, Pontypridd CF37 1DL, M Glam, Wales
[4] Harbin Inst Technol, CTGT Ctr, Harbin 150001, Peoples R China
[5] Tokyo Univ Technol, Sch Comp Sci, Tokyo 1920982, Japan
来源：
IEEE-ASME TRANSACTIONS ON MECHATRONICS | 2013年 / 18卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Disturbance estimation; disturbance rejection; equivalent input disturbance (EID); generalized state observer (GSO); pole placement;
D O I：
10.1109/TMECH.2012.2230014
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents an improved equivalent-input-disturbance (IEID) approach for disturbance rejection. It can be used for both minimum-and nonminimum-phase plants. First, a full-order generalized state observer (GSO) is employed in the construction of an IEID-based servo system to estimate an equivalent input disturbance. Then, a stability condition is derived and a GSO design algorithm is developed based on the stability condition and a pole placement algorithm. Finally, a numerical example demonstrates the validity of this method.
引用
收藏
页码：1410 / 1413
页数：4
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