NDLI: An Open-loop Operation Method of Piezoelectric Actuators Based on a New Hysteresis Model

Content Provider	IEEE Xplore Digital Library
Author	Changhai Ru Kejun Wang Xiufen Ye Yi Yang
Copyright Year	2006
Description	Author affiliation: Autom. Coll., Harbin Eng. Univ. (Changhai Ru; Kejun Wang; Xiufen Ye)
Abstract	A major deficiency of piezoelectric actuators is that their open-loop control accuracy is seriously limited by hysteresis. In this paper, a novel mathematical model is proposed to describe hysteresis precisely. Based on the hysteresis model, an adaptive inverse control approach is presented for reducing hysteresis. The weights of the main hysteresis loop are identified by using LMS algorithm. The realization of an inverse feed-forward controller for the linearization of a piezoelectric actuator is formulated. Experiments were performed on a micro-positioning system driven by piezoelectric actuators. The experimental results demonstrate that the positioning precision is noticeably improved in open-loop operation compared to the conventional open-loop control without any compensation
Starting Page	8366
Ending Page	8369
File Size	170527
Page Count	4
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1713608
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Piezoelectric actuators Hysteresis Open loop systems Mathematical model Adaptive control Least squares approximation Voltage Automation Inverse problems Programmable control LMS adaptive inverse piezoelectric actuator
Content Type	Text
Resource Type	Article

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