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  Impact of pilots’ biodynamic feedthrough on rotorcraft by robust stability

Quaranta, G., Masarati, P., & Venrooij, J. (2013). Impact of pilots’ biodynamic feedthrough on rotorcraft by robust stability. Journal of Sound and Vibration, 332(20), 4948-4962. doi:10.1016/j.jsv.2013.04.020.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-1333-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-8A72-1
Genre: Journal Article

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Quaranta, G, Author
Masarati, P, Author
Venrooij, J1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The coupling of rotorcraft dynamics with the dynamics of one of the main systems devoted to its control, the pilot, may lead to several peculiar phenomena, known as Rotorcraft–Pilot Couplings (RPCs), all characterized by an abnormal behavior that may jeopardize flight safety. Among these phenomena, there is a special class of couplings which is dominated by the biodynamic behavior of the pilot's limbs that close the loop between the vibrations and the control inceptors in the cockpit. Leveraging robust stability analysis, the inherently uncertain pilot biodynamics can be treated as the uncertain portion of a feedback system, making analytical, numerical or graphical determination of proneness to RPC possible by comparing robust stability margins of helicopter models with experimental Biodynamic Feedthrough (BDFT) data. The application of the proposed approach to collective bounce is exemplified using simple analytical helicopter and pilot models. The approach is also applied to detailed helicopter models and experimental BDFT measurement data.

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 Dates: 2013-09
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1016/j.jsv.2013.04.020
BibTex Citekey: QuarantaMV2013
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Title: Journal of Sound and Vibration
Source Genre: Journal
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Publ. Info: London : Academic Press
Pages: - Volume / Issue: 332 (20) Sequence Number: - Start / End Page: 4948 - 4962 Identifier: ISSN: 0022-460X
CoNE: https://pure.mpg.de/cone/journals/resource/954922646046