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Proceedings Paper

Electrically induced large-amplitude vibration and resonance characteristics on ionic polymeric membrane-metal composites artificial muscles
Author(s): Mohsen Shahinpoor; Mehran Mojarrad; Karim Salehpoor
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Paper Abstract

This research identifies key parameters involving the vibrational characteristics of actuators made of ion-exchange- membrane-metal composites. These actuators are made from commercially available ion-exchange membranes chemically treated with platinum to produce composite actuators that are highly deformable in the presence of low amplitude electrical field. They show remarkable bending displacement that follow input signal very closely. When the applied signal frequency is varied, so does the displacement up to a point where large deformations are observed at a critical frequency called resonant frequency where maximum deformation is observed. Beyond which the actuator response is diminished. In this research paper, several samples of the actuators were made and tested with various dimensions to compare the vibrational behavior of the actuators. A data acquisition system was used to measure the parameters involved and record the results in real time basis. This research was in support of active vibration suppression research for flexible structures using ionic polymers as active dampers. It also supported other applications in biomimetics research such as bird flight motion, artificial coral reefs and marine propulsion.

Paper Details

Date Published: 6 June 1997
PDF: 10 pages
Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); doi: 10.1117/12.275707
Show Author Affiliations
Mohsen Shahinpoor, Univ. of New Mexico (United States)
Mehran Mojarrad, Univ. of New Mexico (United States)
Karim Salehpoor, Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 3041:
Smart Structures and Materials 1997: Smart Structures and Integrated Systems
Mark E. Regelbrugge, Editor(s)

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