NDLI: Nano-precision positioning of GMA based on modified Preisach model

Content Provider	IEEE Xplore Digital Library
Author	Quanguo Lu Dingfang Chen Liang Shu Menglun Tao Jiquan Hu Gang Tang
Copyright Year	2010
Description	Author affiliation: Institute of Micro/Nano Actuation and Control, Nanchang Institute of Technology, China (Gang Tang) \|\| Institute of Intelligent Manufacturing and Control, Wuhan University of Technology, China (Quanguo Lu; Dingfang Chen; Liang Shu; Menglun Tao; Jiquan Hu)
Abstract	Giant magnetostrictive actuators (GMA) are widely applied in ultra-precision positioning. However, the accuracy of GMA in positioning is intensively affected by hysteresis and nonlinearity of giant magnetostrictive materials. To characterize the hysteresis and nonlinearity, The nonlinear model of GMA based on modified Preisach model was established in this paper. Since the operation of Preisach model depends on the previous experimental data and the inversion algorithm of Preisach operators, which is always a complicated procedure, we proposed in this paper a point-standard iterated algorithm instead of the inversion of Preisach operators, in which the extremum values of Preisach model are stored in input memory matrix, and the input current can be determined by the comparison between target value and the current status of displacements. To conduct experiments with GMA under constant temperature, we designed a new actuator with double liquid-cooling structure. Experimental results showed that ultra-precision positioning in open loop with high accuracy and quick response can be realized based on the modified Preisach model and the point-standard iterated algorithm with our novel GMA structure.
Starting Page	1419
Ending Page	1423
File Size	1189795
Page Count	5
File Format	PDF
ISBN	9781424479733
e-ISBN	9781424479740
DOI	10.1109/CAIDCD.2010.5681942
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accuracy Transducers Magnetic domains Ultra-precision Positioning Giant Magnetostrictive Actuator Nonlinearity Preisach Model Hysteresis
Content Type	Text
Resource Type	Article

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