A Family of Resonant Vibration Control Formats

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    Resonant control makes use of a controller with a resonance frequency and an equivalent damping ratio.
    A simple explicit calibration procedure is presented for a family of resonant controllers in which the frequency
    is tuned to the natural frequency of the targeted mode in such a way that the two resulting modes exhibit identical
    damping ratio. This tuning is independent of the imposed controller damping. The controller damping is then
    selected as an optimal compromise between too small damping, and too large damping at which the modal
    frequencies coincide, and thereby produce undesirable constructive interference. This ‘equal modal damping’
    procedure leads to explicit calibration formulae, and produces a nearly level plateau in the frequency response
    curve with lower response than the traditional double-root calibration.
    Original languageEnglish
    Publication date2012
    Number of pages8
    Publication statusPublished - 2012
    EventEACS 2012: 5th European Conference on Structural Control - Genoa, Italy
    Duration: 18 Jun 201220 Jun 2012


    ConferenceEACS 2012


    • Resonant damping
    • Active control
    • Structural vibration


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