A Modified Preisach Model for Hysteresis in Piezoelectric Actuators

Abstract : Piezoelectric actuators (PEAs) exhibit hystérésis nonlinearity in open-loop operation, which may lead to undesirable inaccuracy and limit system performance. Classical Preisach model is widely used for portraying 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 limitations of experimental conditions, and the detachment between the major and minor loops is not taken into account. This paper aims to propose a modified Preisach model that demands relatively few measurements and that describes the detachment. The modified model is implemented by adding a damper in parallel with the classical Preisach model. The parameter of the damper is adjusted to an appropriate value so that the measured and predicted hysteresis loops are in good agreement. Experimental results prove that the proposed modified Preisach model can characterize hysteresis more accurately than the classical model.
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Xuan Wang, Valérie Pommier-Budinger, Yves Gourinat, Aurélien Reysset. A Modified Preisach Model for Hysteresis in Piezoelectric Actuators. 11th International Workshop of Electronics, Control, Measurement, Signals & application to Mechatronics (ECMSM), Jun 2013, Toulouse, France. pp.1-6, ⟨10.1109/ECMSM.2013.6648956⟩. ⟨hal-01853144⟩

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