Modeling and Compensation for Hysteresis Nonlinearity of a Piezoelectrically Actuated Fast Tool Servo Based on a Novel Linear Model

Figure 5

Modeling results. (In (a) and (b), the blue line and the red line denote the displacement generated by the FTS and the LFDH model, resp.).

(a)  The displacements generated by the FTS and the model

(b) Hysteresis loop generated by the FTS and the model

(c) The modeling error