Modelling the sensor and actuator operations of the ElectroMechanical Film EMFi

Mika Paajanen, Hannu Välimäki, Jukka Lekkala

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    51 Citations (Scopus)

    Abstract

    The ElectroMechanical Film (EMFi) is a thin, cellular, biaxially oriented polypropylene film coated with metal electrodes. Elementary models with one air gap structure have been previously proposed to describe the EMFi's operation as a sensor and as an actuator. In this work a model based on a multiple air gap structure is presented and shown to reduce into a model with one air gap. The models are based on charge layers on the polypropylene/air interfaces and on the film's surfaces. The models are evaluated with some experimental results.
    Original languageEnglish
    Title of host publicationProceedings, 10th International Symposium on Electrets (ISE 10)
    Place of PublicationPiscataway
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages735-738
    ISBN (Print)0-0783-5025-1
    DOIs
    Publication statusPublished - 1999
    MoE publication typeA4 Article in a conference publication
    Event10th International Symposium on Electrets, ISE 10 - Delphi, Greece
    Duration: 22 Sep 199924 Sep 1999

    Conference

    Conference10th International Symposium on Electrets, ISE 10
    Country/TerritoryGreece
    CityDelphi
    Period22/09/9924/09/99

    Keywords

    • modelling
    • electromechanical
    • film
    • PP
    • piezoelectricity
    • cellular structure

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