Research Article

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

Figure 7

Responses of the FTS mechanism with inverse compensation. (In (a), the blue line and the red line denote the desired trajectory and the tracking trajectory, resp.).
626142.fig.007a
(a) The desired trajectory and the tracking trajectory  
626142.fig.007b
(b) The compensated control signal
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(c) The tracking error