Dynamic response control method for piezoelectric driving system based on elliptical model

The invention provides a piezoelectric driving system dynamic response control method based on an elliptic model, which is used for suppressing nonlinearity and vibration of a piezoelectric driving system during high-frequency scanning and comprises the following steps: S1, preprocessing a dynamic displacement response signal of the piezoelectric driving system under triangular wave voltage signal scanning to obtain a dynamic displacement response signal of the piezoelectric driving system; constructing a voltage-displacement hysteresis curve of the piezoelectric ceramic; s2, modeling the voltage-displacement hysteresis curve by adopting an elliptical model, and solving the compensation voltage ucom (t) of the piezoelectric ceramic based on an elliptical inverse model; s3, performing waveform optimization on the compensation voltage ucom (t) by adopting a polynomial function and establishing a frequency domain evaluation function to obtain an expected input voltage udes (t) of an optimal input track; and S4,