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Proceedings Article

PWM drive of IPMC actuators with the consideration of the capacitive impedance

[+] Author Affiliations
Kentaro Takagi

Nagoya Univ. (Japan) and RIKEN (Japan)

Naoya Yamaguchi

Nagoya Univ. (Japan)

Kinji Asaka

AIST (Japan)

Proc. SPIE 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011, 79762L (March 28, 2011); doi:10.1117/12.880360
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From Conference Volume 7976

  • Electroactive Polymer Actuators and Devices (EAPAD) 2011
  • Yoseph Bar-Cohen; Federico Carpi
  • San Diego, California, USA | March 06, 2011

abstract

This paper considers driving an Ionic Polymer-Metal Composite (IPMC) actuator using a Pulse Width Modulation (PWM) amplifier, in order to shed light on the characteristics of PWM driving of IPMCs. Generally, it is said that an efficiency of a PWM amplifier is higher than that of a linear amplifier. However, high current flows across the IPMC in the use of a PWM amplifier, and it is supposed to become the power consumption high. We solve this problem by putting an inductor between the PWM amplifier and the IPMC. The simulation and the experiment results demonstrate the effectiveness of the proposed method.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Kentaro Takagi ; Naoya Yamaguchi and Kinji Asaka
"PWM drive of IPMC actuators with the consideration of the capacitive impedance", Proc. SPIE 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011, 79762L (March 28, 2011); doi:10.1117/12.880360; http://dx.doi.org/10.1117/12.880360


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