An Asymmetric Hysteresis Model and Parameter Identification Method for Piezoelectric Actuator

Figure 3

Hysteresis loops via (2) under different amplitudes input signal with fixed parameters 𝐷=1, 𝐴=1, and  𝑛=1 and several values of 𝛽 and 𝛾; the input signal 𝑢(𝑡)=Amp⋅sin(𝜔𝑡), Amp=[0.5,1,2].

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