Precise tracking control of piezoelectric actuators based on a hysteresis observer

Title
Precise tracking control of piezoelectric actuators based on a hysteresis observer
Author(s)
박주현D.H. Ji[D.H. Ji]J.H. Koo[J.H. Koo]W.J. Yoo[W.J. Yoo]
Issue Date
201211
Publisher
SPRINGER
Citation
NONLINEAR DYNAMICS, v.70, no.3, pp.1969 - 1976
Abstract
In this paper, a precise tracking control method for piezoelectric actuators based on a hysteresis observer is considered. A nonlinear observer to estimate the hysteretic nonlinearity in the piezoelectric actuator is designed, and then the hysteretic nonlinearity is compensated for by a feedforward control. The proposed observer is easy to design and has better performance compared to the previous work presented in the literature. A feedback controller is also designed to track reference signals. A numerical simulation is presented to verify the method proposed.
URI
http://hdl.handle.net/YU.REPOSITORY/26967http://dx.doi.org/10.1007/s11071-012-0589-6
ISSN
0924-090X
Appears in Collections:
공과대학 > 전기공학과 > Articles
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