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Micromachines 2015, 6(11), 1805-1824; doi:10.3390/mi6111456

Modeling of Hysteresis in Piezoelectric Actuator Based on Segment Similarity

1,* , 1,†
and
1,2,†
1
Key Laboratory for Intelligent Control & Decision of Complex Systems, School of Automation, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing 100081, China
2
China North Industries Group Corporation, No.10 Chedaogou, Beijing 100089, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Hiroshi Toshiyoshi
Received: 18 September 2015 / Revised: 2 November 2015 / Accepted: 3 November 2015 / Published: 17 November 2015

Abstract

To successfully exploit the full potential of piezoelectric actuators in micro/nano positioning systems, it is essential to model their hysteresis behavior accurately. A novel hysteresis model for piezoelectric actuator is proposed in this paper. Firstly, segment-similarity, which describes the similarity relationship between hysteresis curve segments with different turning points, is proposed. Time-scale similarity, which describes the similarity relationship between hysteresis curves with different rates, is used to solve the problem of dynamic effect. The proposed model is formulated using these similarities. Finally, the experiments are performed with respect to a micro/nano-meter movement platform system. The effectiveness of the proposed model is verified as compared with the Preisach model. The experimental results show that the proposed model is able to precisely predict the hysteresis trajectories of piezoelectric actuators and performs better than the Preisach model. View Full-Text
Keywords: modeling; hysteresis prediction; piezoelectric actuator; segment similarity modeling; hysteresis prediction; piezoelectric actuator; segment similarity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Xiong, R.; Liu, X.; Lai, Z. Modeling of Hysteresis in Piezoelectric Actuator Based on Segment Similarity. Micromachines 2015, 6, 1805-1824.

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