Cited by 10Hydraulic and Pneumatic SystemsAdaptive Control of Nonlinear SystemsDynamics and Control of Mechanical Systems

Dynamic surface control based on high-gain disturbance observer for electro-hydraulic systems with position/velocity constraints

Wang, Yunfei, Zhao, Jiyun, Ding, Haigang, Zhang, He·2021·Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Abstract

The electro-hydraulic system is widely used in industrial production due to its high power-to-weight ratio, but the heavy-duty characteristics make the electro-hydraulic system subject to large disturbance force even if the actuator moves slightly, especially in mobile machines and multi-actuators system. Therefore, a position and velocity constraints method based on barrier Lyapunov function is proposed to guarantee the tracking error limited in a strict range to avoid the large disturbance force. Besides, the external disturbance, parameters uncertainty and modeling errors in the asymmetric cylinder electro-hydraulic systems affect the accuracy of position tracking seriously. So a high-gain disturbance observer is designed to estimate the lumped disturbance of the system, which can avoid amplification of the noise during the states measurement. In addition, dynamic surface control based on backstepping method is adopted to avoid the derivative explosion phenomenon when calculating the derivatives of virtual control inputs, which reduces the computational complexity of the system significantly. To verify the effectiveness of the proposed controller, proportional-integral controller and adaptive controller are designed to be compared with the high-gain disturbance observer–based dynamic surface controller with the backstepping method, and the comparison results show that the proposed controller has a more precise trajectory tracking performance.

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Crossref · 10.1177/0954406220978263

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Authors
Wang, Y., Zhao, J., Ding, H., & Zhang, H.
Affiliations
China University of Mining and Technology (CN)
Corresponding author
Zhao, Jiyun
Venue
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Published
2020-12-09
Volume
235
Issue
18
Pages
3485-3494
ISSN
  • 0263-7154 (ISSN-L)
  • 0954-4062
  • 2041-2983
OpenAlex
W3111141309
Cited by
10
References
40
Citations by year
2025: 2 · 2024: 3 · 2023: 2 · 2022: 2 · 2021: 1
FWCI
0.61
Type
journal article
Language
en
Open access
closed
Locations
Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science (publishedVersion)
Funders
  • National Natural Science Foundation of China (51675519, U1910212)
  • Fundamental Research Funds for the Central Universities (2019XKQYMS37)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Hydraulic and Pneumatic Systems
  • Physical Sciences › Engineering › Control and Systems Engineering › Adaptive Control of Nonlinear Systems
  • Physical Sciences › Engineering › Control and Systems Engineering › Dynamics and Control of Mechanical Systems
Keywords
electro-hydraulic systems, dynamic surface control, barrier Lyapunov function, backstepping control, explosion of complexity, asymmetric cylinder, lumped disturbance estimation, trajectory tracking, parameter uncertainty, mobile machines

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