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Communication Dans Un Congrès Année : 2014

Control of helicopter ground resonance by means of passive non-linear energy sink

Sergio Bellizzi
Bruno Cochelin

Résumé

Helicopter Ground Resonance (HGR) [1, 2] is a dynamic instability involving the coupling of the blades motion in the rotational plane (i.e. the lag motion) and the motion of the fuselage. HGR can be very violent and can lead to the total destruction of the aircraft. The present work is a preliminary study of the capacity of a passive nonlinear absorber (or Nonlinear Energy Sink (NES)) to control an HGR.
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Dates et versions

hal-03208427 , version 1 (26-04-2021)

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  • HAL Id : hal-03208427 , version 1

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Baptiste Bergeot, Sergio Bellizzi, Bruno Cochelin. Control of helicopter ground resonance by means of passive non-linear energy sink. 5th Conference on Nonlinear Vibrations, Localization and Energy Transfer - NV2014, Jul 2014, Istanbul, Turkey. ⟨hal-03208427⟩
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