Multidimensional System Identification and Active Vibration Control of a Piezoelectric-Based Sting System Used in Wind Tunnel

Figure 11

Vibration monitoring results. Displacement comparison at center of gravity (a) in the pitch direction and (b) in the yaw direction. Displacement comparison at tip of the sting (c) in the pitch direction and (d) in the yaw direction.

(a)

(b)

(c)

(d)