Limited-angle motor using ionic polymer-metal composite

Kentaro Takagi, Zhi Wei Luo, Kinji Asaka, Kenji Tahara

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)


The essential motion of the ionic polymer-metal composite (IPMC) is bending, therefore some mechanisms are expected to transform from the bending to other required motions. Motivated by the motion of a spiral spring, we discovered that the bending of the ionic polymer could be directly transformed to the limited angle rotation. We introduce the model of the rotary actuator, which consists of mechanical, electrical and electromechanical dynamics. The motion of the rotary actuator is demonstrated in the experiment. The stationary properties are measured and the parameters of the dynamical model are identified, which are also validated by experiments.

Original languageEnglish
Article number73
Pages (from-to)487-496
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2005
Externally publishedYes
EventSmart Structures and Materials 2005 - Electroactive Polymer Actuators and Devices (EAPAD) - San Diego, CA, United States
Duration: Mar 7 2005Mar 10 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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