Hysteresis compensation in electromagnetic actuators through Preisach model inversion

2000 ◽  
Vol 5 (4) ◽  
pp. 394-409 ◽  
Author(s):  
S. Mittal ◽  
C.-H. Menq
Keyword(s):  
Preisach Model ◽  
Electromagnetic Actuators ◽  
Model Inversion ◽  
Hysteresis Compensation

Constructive Proof of Preisach Right Inverse With Applications to Inverse Compensation of Smart Actuators With Hysteresis

2014 ◽  
Vol 136 (6) ◽  
Author(s):  
Yangyang Dong ◽  
Hong Hu ◽  
Zijian Zhang
Keyword(s):  
Iterative Algorithm ◽  
Control Design ◽  
Geometric Interpretation ◽  
Constructive Proof ◽  
Preisach Model ◽  
Compensation Scheme ◽  
Fundamental Idea ◽  
Model Inversion ◽  
Significant Challenge ◽  
Piezoelectric Stack Actuator

Hysteresis poses a significant challenge for control of smart material actuators. If unaccommodated, the hysteresis can result in oscillation, poor tracking performance, and potential instability when the actuators are incorporated in control design. To overcome these problems, a fundamental idea in coping with hysteresis is inverse compensation based on the Preisach model. In this paper, we address systematically the problem of Preisach model inversion and its properties, employing the technique of three-step composition mapping and geometric interpretation of the Preisach model. A Preisach right inverse is achieved via the iterative algorithm proposed, which possesses same properties with the Preisach model. Finally, comparative experiments are performed on a piezoelectric stack actuator (PEA) to test the efficacy of the compensation scheme based on the Preisach right inverse.

PREISACH MODEL OF ER FLUIDS CONSIDERING TEMPERATURE VARIATIONS

2005 ◽  
Vol 19 (07n09) ◽  
pp. 1325-1331 ◽  
Author(s):  
Y. M. HAN ◽  
S. B. CHOI ◽  
H. J. CHOI
Keyword(s):  
Tracking Error ◽  
Preisach Model ◽  
Hysteresis Model ◽  
Temperature Variations ◽  
New Approach ◽  
Model Inversion ◽  
Nonlinear Hysteresis ◽  
Discrete Manner ◽  
Er Fluids ◽  
Er Fluid

This paper presents a new approach for hysteresis modeling of an electro-rheological (ER) fluid. The Preisach model is adopted to describe change of an ER fluid hysteresis with temperature, and its applicability is experimentally proved by examining two significant properties under two dominant temperature conditions. As a first step, the polymethylaniline (PMA)-based ER fluid is made by dispersing the chemically synthesized PMA particles into non-conducting oil. Then, using the Couette type electroviscometer, multiple first order descending (FOD) curves are constructed to consider temperature variations in the model. Subsequently, a nonlinear hysteresis model of the ER fluid is formulated between input (electric field) and output (yield stress). A compensation strategy is also formulated in a discrete manner through the Preisach model inversion to attain desired shear stress of the ER fluid. In order to demonstrate the effectiveness of the identified hysteresis model and the tracking performance of the control strategy, the field-dependent hysteresis loop and tracking error responses are experimentally evaluated in time domain and compared with responses obtained from Bingham model.

Hysteresis Compensation based on Inverse Preisach Model

2002 ◽  
Vol 2002 (0) ◽  
pp. 45-46
Author(s):  
Ryo SUZUKI ◽  
Yoshitaka HONDA ◽  
Ryou KONDO
Keyword(s):  
Preisach Model ◽  
Hysteresis Compensation

scholarly journals On Implementation of the Preisach Model: Identification and Inversion for Hysteresis Compensation

2015 ◽  
Vol 36 (3) ◽  
pp. 133-142 ◽  
Author(s):  
Jon Åge Stakvik ◽  
Michael R.P. Ragazzon ◽  
Arnfinn A. Eielsen ◽  
Jan T. Gravdahl
Keyword(s):  
Model Identification ◽  
Preisach Model ◽  
Hysteresis Compensation ◽  
And Inversion

A modified Preisach model and its inversion for hysteresis compensation in piezoelectric actuators

2014 ◽  
Vol 10 (1) ◽  
pp. 122-142 ◽  
Author(s):  
Xuan Wang ◽  
Aurélien Reysett ◽  
Valérie Pommier-Budinger ◽  
Yves Gourinat
Keyword(s):  
Hysteresis Loops ◽  
Piezoelectric Actuators ◽  
Open Loop ◽  
Preisach Model ◽  
Experimental Conditions ◽  
Modified Model ◽  
Content Type ◽  
Hysteresis Compensation ◽  
Hysteresis Nonlinearity ◽  
Derivative Term

Purpose – Piezoelectric actuators (PEAs) exhibit hysteresis nonlinearity in open-loop operation, which may lead to unwanted inaccuracy and limit system performance. Classical Preisach model is widely used for representing hysteresis but it requires a large number of first-order reversal curves to ensure the model accuracy. All the curves may not be obtained due to the limitations of experimental conditions, and the detachment between the major and minor loops is not taken into account. The purpose of this paper is to propose a modified Preisach model that requires relatively few measurements and that describes the detachment, and then to implement the inverse of the modified model for compensation in PEAs. Design/methodology/approach – The classical Preisach model is modified by adding a derivative term in parallel. The derivative gain is adjusted to an appropriate value so that the measured and predicted hysteresis loops are in good agreement. Subsequently, the new inverse model is similarly implemented by adding another derivative term in parallel with the inverse classical Preisach model, and is then inserted in open-loop operation to compensate the hysteresis. Tracking control experiments are conducted to validate the compensation. Findings – The hysteresis in PEAs can be accurately and conveniently described by using the modified Preisach model. The experimental results prove that the hysteresis effect can be nearly completely compensated. Originality/value – The proposed modified Preisach model is an effective and convenient mean to characterize accurately the hysteresis. The compensation method by inserting the inverse modified Preisach model in open-loop operation is feasible in practice.

Shear stress tracking control of an electrorheological fluid considering hysteresis non-linearity

2004 ◽  
Vol 218 (2) ◽  
pp. 183-194 ◽  
Author(s):  
Y M Han ◽  
S B Choi
Keyword(s):  
Shear Stress ◽  
Tracking Control ◽  
Silicone Oil ◽  
Electrorheological Fluid ◽  
Preisach Model ◽  
Temperature Dependent ◽  
Model Inversion ◽  
Control Robustness ◽  
Discrete Manner ◽  
Er Fluid

This paper presents shear stress tracking control of an electrorheological (ER) fluid actuator subjected to the hysteresis non-linearity. As a first step, polymethylaniline (PMA) particles are prepared and mixed with silicone oil to make an ER fluid. The Couette-type electroviscometer is employed to achieve the field-dependent shear stress. The Preisach model for the PMA-based ER fluid is identified using experimental first-order descending (FOD) curves. A compensation strategy is then formulated in a discrete manner through the Preisach model inversion to achieve the desired shear stress of the ER fluid. A proportional-intergal-derivative (PID) feedback controller is also integrated with the compensator in order to guarantee control robustness to uncertainty due to temperature-dependent hysteresis variation. The tracking performance of the control strategy is experimentally evaluated for two different desired shear stress trajectories.

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