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Modeling of Piezoelectric Actuators Based on a New Rate-Independent Hysteresis Model
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Modern Mechanical Engineering·Volume 01 (2011)·Pages 25–30·Published 30 November 2011·DOI10.4236/mme.2011.12004
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Abstract
Accurate model representatives of piezoelectric actuators (PEAs) are important for both understanding the dynamic behaviors of PEAs and control scheme development. However, among the existing models, the most widely used classical Preisach hysteresis model are incapable of representing the commonly-encountered one-sided (non-negative voltage input range) hysteresis behaviors of PEAs. To solve this problem, a new rate-independent hysteresis model was developed for the one-sided hysteresis and then integrated with the models representative of creep and dynamics to form a single model for the PEAs. Experiments were carried out to validate the developed models.
KeywordsPiezoelectric ActuatorHysteresis
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