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Handling qualities studies into the interaction between active sidestick parameters and helicopter response types

von Grünhagen, Wolfgang and Schönenberg, Thorben and Lantzsch, Robin (2012) Handling qualities studies into the interaction between active sidestick parameters and helicopter response types. European Rotorcraft Forum 2012, 4.-7. Sep. 2012, Amsterdam, Niederlande.

Full text not available from this repository.

Abstract

Active inceptors offer great potential for improving the handling qualities of fly-by-wire rotorcraft. In a cooperative research effort, the DLR Institute of Flight Systems in Germany and the U.S. Army Aeroflightdynamics Directorate (AFDD) conducted several in-flight experiments to study the influence of the dynamic characteristics (natural frequency and damping) of the cyclic stick on the overall handling qualities of a rotorcraft. Experiments were performed looking at sidestick (DLR) and centerstick (AFDD) inceptors for Rate and Attitude Command response types. The results of two different experiments are presented in this paper. The first experiment evaluated the roll handling in forward flight and was only performed with a sidestick inceptor. The task used in this experiment was designed during exercises of the Empire Test Pilots’ School (ETPS) on DLR’s Flying Helicopter Simulator EC135 ACT/FHS. ETPS also contributed to the optimization of the static sidestick characteristics that were used for the testing. The second, more comprehensive experiment, evaluating ADS-33 Hover and Slalom Mission Task Elements, was performed both with a sidestick and a centerstick allowing a direct comparison of both types of inceptors. Regression analyses are performed on the collected pilot ratings to gain a systematic insight into the preferred stick characteristics for the different inceptor and response types. The test results consistently suggest that the preferred characteristics are best described by a first-order response model.

Item URL in elib:https://elib.dlr.de/81685/
Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:Handling qualities studies into the interaction between active sidestick parameters and helicopter response types
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
von Grünhagen, WolfgangFT-HUBUNSPECIFIED
Schönenberg, ThorbenFT-HUBUNSPECIFIED
Lantzsch, RobinFT-HUBUNSPECIFIED
Date:2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:active inceptors, sidesticks, force-displacement characteristics, handling qualities, ACT/FHS, RASCAL, MTE
Event Title:European Rotorcraft Forum 2012
Event Location:Amsterdam, Niederlande
Event Type:international Conference
Event Dates:4.-7. Sep. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Schönenberg, Thorben
Deposited On:08 May 2013 15:47
Last Modified:08 May 2013 15:47

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