Anatomy, modelling and prediction of aeroservoelastic rotorcraft-pilot-coupling.Report as inadecuate




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1 University Roma Tre 2 Salon de Provence - ONERA - The French Aerospace Lab 3 Dipartimento di Scienze e Tecnologie Aerospaziali Milano 4 University of Liverpool Liverpool 5 Straero

Abstract : Research activity and results obtained within the European project ARISTOTEL 2010-2013 are presented. It deals with anatomy, modelling and prediction of Rotorcraft Pilot Coupling RPC phenomena, which are a really broad and wide category of events, ranging from discomfort to catastrophic crash. The main topics concerning piloted helicopter simulation that are of interest for designers are examined. These include comprehensive rotorcraft modelling suited for Pilot Assisted Oscillations PAO prediction, modelling of pilot biodynamics behaviour in the PAO frequency range of interest, definition and application of criteria for detection of RPC instabilities of aeroservoelastic nature. The numerical investigation considers Bo105 and IAR330 Puma helicopter models, as representatives of two different rotorcraft categories small-size and medium-size helicopters, respectively. Factors affecting aeroservoelastic RPC prediction are investigated like, for instance, pilot modelling, system modelling, number of controls on which the pilot exerts forces, control chain gearing ratios, with the aim of defining design guidelines for prevention of adverse RPCs occurrence.

Keywords : HELICOPTER ROTORCRAFT PILOT COUPLING AEROELASTICITY





Author: M. Gennaretti - M.M. Collela - J. Serafini - B. Dang Vu - P. Masarati - G. Quaranta - V. Muscarello - M. Jump - M. Jones - L. Lu

Source: https://hal.archives-ouvertes.fr/



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