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 Wei

ABSTRACT

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

[1] PENGLi-kun, XIAO Zhi-quan, XINGJi-feng, et al. Modeling and experiment study of a novel digital hydraulic 2-DOF motion platform[J]. Jixie Gongcheng Xuebao(Chinese Journal of Mechanical Engineering), 2011, 47(3): 159-165. (in Chinese)
[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.
[5] LIU B, TEO K, LIU X Z. Robust exponential stabilization for large-scale uncertain impulsive systems with coupling time-delays[J]. Nonlinear Analysis: Theory, Methods & Applications, 2008, 68(5): 1169-1183.
[6] SKELTON R E, IWASAKI T, GRIGORIADIS K M. A unifiedalgebraic approach to linear control design[M]. London:Taylor & Francis, 1998.

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