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8 March 2014 Multi degree of freedom IPMC sensor
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Abstract
Ionic polymer-metal composite (IPMC) has been examined through simulation and experimental tests as a material for use in multi degree of freedom (DOF) sensor applications. Mechanoelectrical transduction, the ability to generate current from imposed mechanical deformation, enables IPMCs to be applied as sensor devices. This phenomenon has been reported and is reasonably well described by various models. In this study, a physics-based model is applied to predict performance of an IPMC sensor over a range of conditions. Configuration of our interest is cylindrical IPMC with 2-DOF mechanoelectrical sensor capabilities. The prototype of cylindrical IPMC has an outer diameter of 1 mm and a 25 mm length. Application of deformation induced voltage of the fabricated cylindrical IPMCs as a means of mechanoelectrical transduction have been simulated and experimentally verified. The performance of the prototype IPMC under several operating conditions was also analyzed, and experimental results have provided keen insight into the physical phenomenon of mechanoelectical IPMC transduction.
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Tyler Stalbaum, Shelby E. Nelson, Viljar Palmre, and Kwang J. Kim "Multi degree of freedom IPMC sensor", Proc. SPIE 9056, Electroactive Polymer Actuators and Devices (EAPAD) 2014, 90562J (8 March 2014); https://doi.org/10.1117/12.2045671
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