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
CountryGreece
CityDelphi
Period22/09/9924/09/99

Keywords

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

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