Abstract
The purpose of this thesis is to develop a double cylinder synchronization control system to address the high precision control requirement of this system. First, the dual-input dual-output coupling mathematical model of the hydraulic press synchronization control system was built using mechanism modelling. Then, the mathematical model of compensating and decoupling links is established by the input and load disturbance decoupling control method based on feedback compensation. Next, a cross-coupled fuzzy PID controller is designed, which is then combined with full decoupling compensation method. Finally, the coupling characteristics of the synchronization control system and the synchronization control performance of the hydraulic cylinders under the cross-coupled fuzzy PID controller combined with the decoupling control algorithm were tested and evaluated in a principle experiment platform. The results indicate that the robustness and the ability to resist interference load are improved under the theory and control strategy outlined in this paper.
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Recommended by Associate Editor Mingxing Lin
Jing Yao was born in China. She received the B.S. in mechanical engineering from Yanshan University, Qinhuangdao, China in 2001, and M.S. and Ph.D. degrees in Mechatronics Engineering from Yanshan University in 2004 and 2009, respectively. She is currently a Professor of Mechatronics Engineering, Yanshan University, China. Her research interests include electro-hydraulic servo control and heavy machinery fluid transmission and control.
Xiaoming Cao was born in China. He is currently working toward the Ph.D. degree in mechatronic control engineering. His research interests include electro-hydraulic servo control, energy saving and motion control of hydraulic systems.
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Yao, J., Cao, X., Zhang, Y. et al. Cross-coupled fuzzy PID control combined with full decoupling compensation method for double cylinder servo control system. J Mech Sci Technol 32, 2261–2271 (2018). https://doi.org/10.1007/s12206-018-0437-9
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DOI: https://doi.org/10.1007/s12206-018-0437-9