18 April 2016 Performance improvement of IPMC flow sensors with a biologically-inspired cupula structure
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Abstract
Ionic polymer-metal composites (IPMCs) have inherent underwater sensing and actuation properties. They can be used as sensors to collect flow information. Inspired by the hair-cell mediated receptor in the lateral line system of fish, the impact of a flexible, cupula-like structure on the performance of IPMC flow sensors is experimentally explored. The fabrication method to create a silicone-capped IPMC sensor is reported. Experiments are conducted to compare the sensing performance of the IPMC flow sensor before and after the PDMS coating under the periodic flow stimulus generated by a dipole source in still water and the laminar flow stimulus generated in a flow tank. Experimental results show that the performance of IPMC flow sensors is significantly improved under the stimulus of both periodic flow and laminar flow by the proposed silicone-capping.
Conference Presentation
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Hong Lei, Hong Lei, Montassar Aidi Sharif, Montassar Aidi Sharif, Derek A. Paley, Derek A. Paley, Matthew J. McHenry, Matthew J. McHenry, Xiaobo Tan, Xiaobo Tan, "Performance improvement of IPMC flow sensors with a biologically-inspired cupula structure", Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979827 (18 April 2016); doi: 10.1117/12.2219574; https://doi.org/10.1117/12.2219574
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