An Asymmetric Hysteresis Model and Parameter Identification Method for Piezoelectric Actuator

<table>The time histories of the output displacements from the PZT actuator and the response of the two models under the 0.1 Hz input voltage with decreasing amplitude.</table>

Mathematical Problems in Engineering

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Figure 14

Figure 14: An Asymmetric Hysteresis Model and Parameter Identification Method for Piezoelectric Actuator 