Modeling Approach Based on Ｒate-Dependent Hysteresis for Piezoelectric Actuating Mechanism with Load

doi:10.3969/j.issn.1000-565X.2018.08.009

Journal of South China University of Technology(Natural Science Edition) ›› 2018, Vol. 46 ›› Issue (8): 57-63.doi: 10.3969/j.issn.1000-565X.2018.08.009

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Modeling Approach Based on Ｒate-Dependent Hysteresis for Piezoelectric Actuating Mechanism with Load

FENG Ying¹ FENG Junjie¹ Subhash Rakheja² JIANG Hui³

1． School of Automation Science and Engineering∥Key Laboratory of Autonomous Systems and Networked Control，South China University of Technology，Guangzhou 510640，Guangdong，China;
2． Faculty of Engineering and Computer Science，Concordia University，Montreal H3G 1M8，Quebec，Canada;
3． School of Electronic Engineering and Automation，Guilin University of Electronic Technology，Guilin 541004，Guangxi，China

Received:2017-12-06 Revised:2018-03-07 Online:2018-08-25 Published:2018-07-01
Contact: 冯颖(1978-)，女，博士，副教授，主要从事智能精密机电建模与控制研究． E-mail:yfeng@scut.edu.cn
Supported by:
Supported by the National Key Ｒesearch and Development Program of China(2017YFB1302302)， the Science and Technology Planning Project of Guangdong Province(2017A010102004)， and the Natural Science Foundation of Guangdong Province(2018A030313331)

Abstract

Abstract:

As a class of smart material-based actuators，piezoelectric actuators have been widely applied in the micro-nano actuating equipment． However，the nonlinearities existing in the smart materials become the main

obstacle for the improvement of actuating precision． Considering the electromechanical characteristics of the piezoelectric actuator，a modeling method is proposed to characterize the input-output relationship of the

piezoelectric actuating system with an external mechanical load in a wide working frequency range． The proposed

model is based on the rate-dependent PrandtlIshlinskii (ＲDPI) hysteresis model and shows an effective way to work around the limitation of ＲDPI hysteresis model，representing the effects analytically caused by the mechanical load with an increase in actuating frequency． With the mechanical load 2. 94N，the experiments for the piezoelectric actuating system are conducted in the frequency range 1 ～80 Hz． Good agreement is found between the mea

sured and predicted input-output curves to show the effectiveness of the proposed modeling method．

Key words:

piezoelectric actuator, hysteresis, dynamics, modeling

CLC Number:

FENG Ying FENG Junjie Subhash Rakheja JIANG Hui.

Modeling Approach Based on Ｒate-Dependent Hysteresis for Piezoelectric Actuating Mechanism with Load

[J]. Journal of South China University of Technology(Natural Science Edition), 2018, 46(8): 57-63.

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Modeling Approach Based on Ｒate-Dependent Hysteresis for Piezoelectric Actuating Mechanism with Load

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