Modeling and inverse control of Preisach type hysteresis nonlinearity using hyperbola functions

被引：0
作者：
机构：
[1] State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics
[2] Laboratory of Systems and Materials for Mechatronics, University of Savoie, 74944 Annecy le Vieux Cedex
来源：
Qiu, J.-H. (qiu@nuaa.edu.cn) | 2013年 / Chinese Academy of Sciences卷 / 21期
关键词：
Hysteresis nonlinearity; Piezoelectric actuator; Precision positioning; Preisach model;
D O I：
10.3788/OPE.20132105.1205
中图分类号：
学科分类号：
摘要：
To compensate the hysteresis nonlinearity of a piezoelectric biomorph actuator, a new model with hyperbola functions was proposed to describe the Preisach type hysteresis nonlinearity, and an inverse controller was designed with the proposed model. Two hyperbola functions were used to fit the curves of hysteresis major loop and then the first-order ascending and descending branches were described by the coordinate conversion. Based on the wiping-out and congruency property of Preisach model, the minor loops were modeled by the corresponding first-order curves. As the parameters of the proposed model are much less than those of classic hysteresis models, such as Preisach model, the proposed model is suitable for the smart material systems including piezoelectric actuators. Experimental results show that the inverse controller designed with the proposed model can compensate the hysteresis of piezoelectric biomorph actuator, and the maximum control error with inverse controller has reduced by 44.26%.
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页码：1205 / 1212
页数：7
相关论文
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