Abstract
The present study investigates the frequency response of IPMC actuator. By using the electroless plating method, IPMC actuator with palladium electrode was obtained in 60 minutes, which was shorter than the conventional fabrication time. In the observation of response to step voltages, IPMC actuator with palladium electrode showed larger deformation and slower backward motion than the conventional IPMC actuators with platinum electrode. In the experiments of frequency response, IPMC actuator showed the resonance phenomenon at a specified frequency, and the resonance frequency could be predicted by the simple cantilever beam model. Then, the phase shift increased drastically when the resonance phenomena were observed. Finally, the frequency response of IPMC actuator was modeled by using the transfer function.
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