Cited by 6Hydraulic and Pneumatic SystemsAdvanced Control Systems DesignAdvanced Algorithms and Applications

A Nonlinear PID controller for electro-hydraulic servo system based on PSO algorithm

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Chen, Ji Peng, Lu, Bao Chun, Fan, Fan, Zhu, Shi Chun, Wu, Jian Xin·2011·Applied Mechanics and Materials

Abstract

Linear PID controller is adopted by electro-hydraulic servo system widely. The proportional, integral and derivative coefficients of a linear controller are fixed which brings the contradiction in speediness and overshoot. This paper designs a series of nonlinear functions which are used for nonlinear PID control for electro-hydraulic servo system. The proportional, integral and derivative parts of this nonlinear PID controller adjust themselves according to the error. In order to determine parameters of the nonlinear functions, PSO Algorithm and ITAE guideline are applied in the paper. Results of simulation indicate that the nonlinear PSO-PID controller using the functions proposed in this paper presents a better dynamic response than the linear PID controller.

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Crossref · 10.4028/www.scientific.net/amm.141.157

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4 of 4 references verified0 citation errors · 0 not checkable

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  • Linear control algorithms for electro-hydraulic servo systems only perform well under certain operating conditions and fail to achieve satisfactory performance in the presence of parameter perturbations, nonlinearities and disturbances.

    “The linear control algorithms, which are developed using conventional PID [11-14] or feedback linearization techniques [15,16], are simple and easy to implement in engineering. However, they only perform well under certain operating conditions, and fail to achieve satisfactory performance in the presence of aforementioned uncertainties, including parameter permutations, nonlinearities and disturb”

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Authors
Chen, J. P., Lu, B. C., Fan, F., Zhu, S. C., & Wu, J. X.
Affiliations
  • Nanjing University of Science and Technology
  • Nanjing University of Science and Technology (CN)
  • Heavy Forging Equipment Engineering Research Center of Jiangsu Province
Venue
Applied Mechanics and Materials
Published
2011-11
Volume
141
Pages
157-161
ISSN
  • 1660-9336 (ISSN-L)
  • 1662-7482
OpenAlex
W2159013769
Cited by
6
References
5
Citations by year
2024: 1 · 2019: 3 · 2018: 1 · 2015: 1
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
Applied Mechanics and Materials (publishedVersion, cc-by)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Hydraulic and Pneumatic Systems
  • Physical Sciences › Engineering › Control and Systems Engineering › Advanced Control Systems Design
  • Physical Sciences › Engineering › Control and Systems Engineering › Advanced Algorithms and Applications
Keywords
nonlinear PID control, electro-hydraulic servo system, particle swarm optimization, ITAE criterion, controller tuning, dynamic response, overshoot reduction

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