Tunable sensor response by voltage-control in biomimetic hair flow sensors

H. Droogendijk, Gijsbertus J.M. Krijnen

    Research output: Contribution to conferencePaper


    We report improvements in detection limit and responsivity of biomimetic hair flow sensors by electrostatic spring-softening (ESS). Applying a DC-bias voltage to our capacitive flow sensors mediates large (80% and more) voltage-controlled electromechanical amplification of the flow signal for frequencies below the sensor's resonance. Application of an AC-bias voltage proves that tunable filtering and selective gain up to 20 dB can be achieved. Further, the quality and reliability of low frequency flow measurements can be improved using an AC-bias voltage.
    Original languageUndefined
    Number of pages2
    Publication statusPublished - Oct 2012
    EventICT.OPEN 2012 - World Trace Center, Rotterdam, Netherlands
    Duration: 22 Oct 201223 Oct 2012


    ConferenceICT.OPEN 2012


    • Cricket
    • EWI-22454
    • Electrostatic spring softening
    • TST-Life like
    • IR-84147
    • Flow sensor
    • Hair

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