NDLI: FeedBack linearization H∞ robust control of digital hydraulic cylinder position tracking system

Content Provider	IEEE Xplore Digital Library
Author	Shijie Xu Jifeng Xing Likun Peng
Copyright Year	2013
Description	Author affiliation: Coll. of Power Eng., Naval Univ. of Eng., Wuhan, China (Shijie Xu; Jifeng Xing; Likun Peng)
Abstract	This paper deals with the problem of designing a controller for a digital hydraulic cylinder position tracking system. Traditional control of this system is open-loop because of its special inner feedback structure which makes digital hydraulic cylinder auto-track the input signal until reaching assigned position. But the performance of this control methods has obvious delay comparing with input signal. To obtain a better position tracking controller, we will first establish the nonlinear model of digital hydraulic cylinder position tracking system. With feedback linearization theory, we translate the nonlinear model into a linear one. On the base of linear model, a position tracking controller is designed by using H∞ control and LMI(Linear Matrix Inequalities) theory. The similation and experiment results of the controller designed by this paper are compared with traditional controller. The results show that the controller proposed by this paper has much better performance then traditional one.
Starting Page	3470
Ending Page	3474
File Size	128436
Page Count	5
File Format	PDF
ISBN	9781479925643
e-ISBN	9781479925650
DOI	10.1109/MEC.2013.6885608
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	LMI(Linear Matrix Inequalities) H∞ control Digital hydraulic cylinder Valves Educational institutions Robustness Cavity resonators Linear matrix inequalities Feedback linearization Mathematical model Nonlinear model Equations
Content Type	Text
Resource Type	Article

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