Tunable Piezoelectric Actuator
A piezoelectric device can actuate a cantilever beam simply by applying an AC voltage over the device. The cantilever beam itself has resonant modes that cause peaks in the vibration when the frequency of the applied voltage passes the resonance frequency of each mode.If another piezoelectric device is attached to the cantilever, it is possible to tune the resonance by connecting that device to a passive external circuit.
This model investigates how such an external circuit influences the resonance peaks of the cantilever beam.
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The amplitude of the horizontal displacement as a function of frequency. |
Engineering Fields
- Dynamics & Vibrations
- Actuators
Application Areas
- MEMS