Thc zonic coiiductzng p o l y m e r gel film (IGPF) octunlor 1 5 a per/iuorosulfoiiic aczd menibran( plaied with plniinum on t i s both surfaces It hends zii water and ? n ulcl condifioii by applyzng a low voltage of 1 5 v l o ~l s surfoces Tlizr p h e n o m e n o n w a s dzscowred 211 1992 Thc p r i n c z p l r of the inoizon i s ctzll u n k n o w n 7hi9 p n p e r dz4cusbes %dznieiiszoitnl linear opproxzirinlc rnodclinq of llic ICPF nctnalor The aulhors are proposzng n d y n a m~c model of thc a c i u n i o r colisastang of o n rlcclrzcal slagc, N d r e s s generatzon stage and a inechonical giage I n the stress generafaon doge, tzine drriocittze of c u i r f n l qericraies the aiiteriial stress wzth a second degree d e l a y Erpanston and contraction of t n c h surfocc induce bending inotaon zn t h e inechanzcal s i a q f Sziniilalzon results were zn agnoenient wzth actual icsponscs
The ionic conducting polymer film (ICPF) actuator is a filmy composite made of a perfluorosulfonic acid (PFS) membrane sandwiched between porous platinum layers. It can be driven by direct voltage input to its surfaces in wet condition.In &his study, the electrical characteristics of the actuator were investigated. The electrical characteristics of the actuator were represented by the surface resistances of the porous platinum layers, resistance of the gel membrane permeated with water, and a series connection of resistance and capacitance. The model was composed of a distributed-constant system of the above elements. Moreover, the distributed current through the series connection of resistance and capacitance was possibly concerned with the generation of internal stresses causing the actuator to bend.
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