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Proceedings Paper

Development of artificial muscle actuator using ionic polymer with its application to biped walking robots
Author(s): Masaki Yamakita; Norihiko Kamamichi; Yasuaki Kaneda; Kinji Asaka; Zhi-Wei Luo
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Paper Abstract

We are developing an artificial muscle linear actuator using ionic polymer-metal composites (IPMC) which is an electro-active polymer that bends in response to electric stimuli and the goal of our study is to apply the actuator to robotic applications especially to a biped walking robot. In this paper, we will describe the structure of the actuator and an empirical model of the actuator which has two inputs and one output, and whose parameters are identified from input-output data. Based on the empirical model, we demonstrate walking simulations of a small-sized biped walking robot. In the numerical simulation we assume that the developed actuators are connected both in series and in parallel to a joint of the walking robot so that the actuators supply enough torque to the robot and that they are stretched and compressed enough. It is shown throughout the simulation that the biped walking robot with the actuators can walk on a level ground with a period synchronized with a period of input signal.

Paper Details

Date Published: 28 July 2003
PDF: 8 pages
Proc. SPIE 5051, Smart Structures and Materials 2003: Electroactive Polymer Actuators and Devices (EAPAD), (28 July 2003); doi: 10.1117/12.484290
Show Author Affiliations
Masaki Yamakita, Tokyo Institute of Technology (Japan)
The Institute of Physical and Chemical Research (RIKEN) (Japan)
Norihiko Kamamichi, Tokyo Institute of Technology (Japan)
Yasuaki Kaneda, Tokyo Institute of Technology (Japan)
Kinji Asaka, National Institute of Advanced Industrial Science (Japan)
The Institute of Physical and Chemical Research (RIKEN) (Japan)
Zhi-Wei Luo, The Institute of Physical and Chemical Research (RIKEN) (Japan)


Published in SPIE Proceedings Vol. 5051:
Smart Structures and Materials 2003: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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