Generalized-Disturbance Rejection Control for Vibration Suppression of Piezoelectric Laminated Flexible Structures

Figure 7

The time domain response of the controlled and uncontrolled smart beam under two harmonic disturbance with the second eigenfrequency applied at and : (a) sensor output, (b) control input, and (c) relative error of estimated disturbance.

(a)

(b)

(c)