Disturbance Observer and Position Tracking Controller Design for Uncertain Electro-hydraulic Systems via Sliding Mode

被引：9
|
作者：
Li, Shuai [1 ]
Chen, Liang [1 ]
Zhu, Ke [1 ]
Yan, Yao [1 ]
Guo, Qing [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Aeronaut & Astronaut, Chengdu, Peoples R China
来源：
PROCEEDINGS OF 2022 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS AND AUTOMATION (IEEE ICMA 2022) | 2022年
关键词：
Sliding mode disturbance observer; Integral sliding mode controller; Electro-hydraulic systems; Parametric uncertainty;
D O I：
10.1109/ICMA54519.2022.9856302
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 brief investigates the displacement tracking control strategy of uncertain electro-hydraulic systems (EHS). Due to the existence of parametric uncertainty, a kind of sliding mode observer (SMO) is firstly introduced to EHS to estimate the parametric uncertainty. Based on this sliding mode observer, a novel kind of integral sliding mode tracking controller is designed to conquer the nonlinearity of EHS possesses and realize the high-precision displacement tracking control aim. The feasibility of proposed theoretical strategy is validated via simulation with the corresponding simulated results are provided.
引用
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页码：1 / 5
页数：5
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