CF 2 DOF structure with small PZT actuators.

Various movies of the wing motion showing a problem with self-resonance at around 600Hz. The movie of the wing motion where 40Vpp is given to just the lead actuator at 650Hz is especially telling.

1. wing_motion_lead_40Vpp_200Hz.mpg
2. wing_motion_lag_40Vpp_200Hz.mpg
3. wing_motion_lead_40Vpp_600Hz.mpg
4. wing_motion_lag_40Vpp_600Hz.mpg
5. wing_motion_lead_40Vpp_650Hz.mpg
6. wing_motion_lag_40Vpp_650Hz.mpg

Photos:

1. 03-mu-02.jpg