Cited by 28Hydraulic and Pneumatic SystemsAdaptive Control of Nonlinear SystemsDynamics and Control of Mechanical Systems

Full-State Error Constraints Based Dynamic Surface Control of Electro-Hydraulic System

Open access
Guo, Qing, Li, Xiaochai, Jiang, Dan·2018·IEEE Access

Abstract

An electro-hydraulic system (EHS) has unknown lumped uncertainties caused by some uncertain hydraulic parameters and external loads, which will decline the output response performances and internal state stability. To handle these lumped uncertainties, a barrier Lyapunov function-based dynamic surface control method is adopted in EHS to constrain the full-state errors in the desirable boundaries. The full-state error constraints represent not only the tracking accuracy of the cylinder position but also the ratelimit of the cylinder response and the feasible load pressure boundary of the cylinder. The dynamic surface is used to avoid the explosion of complexity, since the virtual control variable has been repeatedly calculating its differentiation. All the states of EHS are ultimate boundary with satisfactory dynamic tracking performance and high stable accuracy by the proposed controller. Some comparison results with the PI controller have verified the effectiveness of the proposed controller in both nominal and lumped uncertainties conditions.

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Crossref · 10.1109/access.2018.2870956

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Authors
Guo, Q., Li, X., & Jiang, D.
Affiliations
  • State Key Laboratory Fluid Power and Mechatronic Systems (CN)
  • University of Electronic Science and Technology of China (CN)
Venue
IEEE Access
Published
2018
Volume
6
Pages
53092-53101
ISSN
2169-3536 (ISSN-L)
OpenAlex
W2891830510
Cited by
28
References
69
Citations by year
2026: 2 · 2025: 1 · 2024: 3 · 2023: 4 · 2022: 7 · 2021: 1 · 2020: 7 · 2019: 3
FWCI
1.76
Type
journal article
Language
en
Open access
Locations
  • IEEE Access (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (51775089, 61305092, 51205045)
  • Sichuan Science and Technology Program (2018JY0565, 2018HH0101)
  • Fundamental Research Funds for the Central Universities, China (ZYGX2016J160)
  • Open Foundation of the State Key Laboratory of Fluid Power and Mechatronic Systems (GZKF-201515)
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, lumped uncertainty, explosion of complexity, ultimate boundedness

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