Research on the Digital Hydraulic Cylinder Nonlinear Robust Controlling Methods with Input Saturation
DOI: 10.23977/jeis.2017.21005 | Downloads: 23 | Views: 3344
Author(s)
Pan Wei 1, Zhu Shijian 1, Xu Shijie 1
Affiliation(s)
1 College of Power Engineering, Naval Univ. of Engineering, Wuhan, China
Corresponding Author
Pan WeiABSTRACT
First, the nonlinear model of the digital hydraulic cylinder and the controller are constructed, then the nonlinear problem is translated into the solving of a linear matrix inequality. Finally the anti-windup compensator is designed. Simulation results show that the proposed controller and compensator guarantee the robustness and good dynamic behavior of the system.
KEYWORDS
Digital hydraulic cylinder; Position tracking control; Nonlinear model; Input saturation.CITE THIS PAPER
Wei, P. , Shijian, Z., Shijie, X. (2017) Research on the Digital Hydraulic Cylinder Nonlinear Robust Controlling Methods with Input Saturation. Journal of Electronics and Information Science (2017) 2: 46-50.
REFERENCES
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[2] MILIĆ V, ŠITUM Ž, ESSERT M. Robust H∞ position control synthesis of an electro-hydraulic servo system[J]. ISA transactions, 2010, 49(4): 535-542.
[3]LI Jian-xiong, FANG Yi-ming, SHI Sheng-li. Robust dynamic output-feedback control of hydraulic servo system with input saturation for rolling mill[J]. Control and Decision, 2013, 28(2): 211-216. (in Chinese)
[4] ZHOU K, DOYLE J C, GLOVER K. Robust and optimal control[M]. New Jersey: Prentice Hall, 1996.
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