PID-based control strategies for enhancing stability and precision in electro-hydraulic actuation systems

Trang Xuan Thi Phan *, Hong Thi Duong and Vu Yen Thi Lu

Department of Fundamentals of Mechanical Engineering, Faculty of Mechanical Engineering, Ly Tu Trong College, Ho Chi Minh City, Viet Nam.
 
Research Article
International Journal of Science and Research Archive, 2024, 13(01), 3107–3114.
Article DOI: 10.30574/ijsra.2024.13.1.2007
Publication history: 
Received on 11 September 2024; revised on 20 October 2024; accepted on 22 October 2024
 
Abstract: 
Electro-hydraulic actuation systems are essential in industrial applications but often face challenges related to nonlinearity, leading to instability and reduced precision. This paper explores the application of Proportional-Integral-Derivative (PID) control strategies to enhance the stability and precision of these systems. A detailed system model is developed, and the PID controller is designed and tuned using optimization techniques. Simulation results demonstrate improvements in performance metrics, such as reduced overshoot, settling time, and steady-state error. The proposed control strategy is validated experimentally on a physical setup, confirming its effectiveness in real-world applications. The findings show that PID-based control significantly enhances both stability and precision in electro-hydraulic actuation systems, offering a practical solution for industrial control challenges.
 
Keywords: 
PID controller; Electro-hydraulic; Non-linear system; Ziegler-Nichols
 
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