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Conference Paper: Hybrid IPMC/PVDF structure for simultaneous actuation and sensing

TitleHybrid IPMC/PVDF structure for simultaneous actuation and sensing
Authors
KeywordsPVDF
Simultaneous sensing and actuation
Ionic polymer-metal composite
Electroactive polymer
Issue Date2006
Citation
Proceedings of SPIE - The International Society for Optical Engineering, 2006, v. 6168 How to Cite?
AbstractCompact sensing methods are desirable for ionic polymer-metal composite (IPMC) actuators in microrobotic and biomedical applications. In this paper a novel sensing scheme for IPMC actuators is proposed by integrating an IPMC with a PVDF (polyvinylidene fluoride) thin film. The problem of feedthrough coupling from the actuation signal to the sensing signal, arising from the proximity of IPMC and PVDF, presents a significant challenge in real-time implementation. To reduce the coupling while minimizing the stiffening effect, the thickness of the insulating layer is properly chosen based on the Young's modulus measurement of the IPMC/PVDF structures. Furthermore, a nonlinear circuit model is proposed to capture the dynamics of the still significant coupling effect, and its parameters are identified through a nonlinear fitting process. A compensation scheme based on this model is then implemented to extract the correct sensing signal. Experimental results show that the developed IPMC/PVDF structure, together with the compensation algorithm, can perform effective, simultaneous actuation and sensing. As a first application, the sensori-actuator has been successfully used for the open-loop micro-injection of living Drosophila embryos.
Persistent Identifierhttp://hdl.handle.net/10722/212868
ISSN

 

DC FieldValueLanguage
dc.contributor.authorChen, Zheng-
dc.contributor.authorShen, Yantao-
dc.contributor.authorMalinak, Jason-
dc.contributor.authorXi, Ning-
dc.contributor.authorTan, Xiaobo-
dc.date.accessioned2015-07-28T04:05:16Z-
dc.date.available2015-07-28T04:05:16Z-
dc.date.issued2006-
dc.identifier.citationProceedings of SPIE - The International Society for Optical Engineering, 2006, v. 6168-
dc.identifier.issn0277-786X-
dc.identifier.urihttp://hdl.handle.net/10722/212868-
dc.description.abstractCompact sensing methods are desirable for ionic polymer-metal composite (IPMC) actuators in microrobotic and biomedical applications. In this paper a novel sensing scheme for IPMC actuators is proposed by integrating an IPMC with a PVDF (polyvinylidene fluoride) thin film. The problem of feedthrough coupling from the actuation signal to the sensing signal, arising from the proximity of IPMC and PVDF, presents a significant challenge in real-time implementation. To reduce the coupling while minimizing the stiffening effect, the thickness of the insulating layer is properly chosen based on the Young's modulus measurement of the IPMC/PVDF structures. Furthermore, a nonlinear circuit model is proposed to capture the dynamics of the still significant coupling effect, and its parameters are identified through a nonlinear fitting process. A compensation scheme based on this model is then implemented to extract the correct sensing signal. Experimental results show that the developed IPMC/PVDF structure, together with the compensation algorithm, can perform effective, simultaneous actuation and sensing. As a first application, the sensori-actuator has been successfully used for the open-loop micro-injection of living Drosophila embryos.-
dc.languageeng-
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineering-
dc.subjectPVDF-
dc.subjectSimultaneous sensing and actuation-
dc.subjectIonic polymer-metal composite-
dc.subjectElectroactive polymer-
dc.titleHybrid IPMC/PVDF structure for simultaneous actuation and sensing-
dc.typeConference_Paper-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1117/12.658675-
dc.identifier.scopuseid_2-s2.0-33745860051-
dc.identifier.volume6168-

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