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In-Flight Test Campaign to Validate PIO Detection and Assessment Tools

Jones, Michael and Alexander, Marc and Höfinger, Marc and Barnett, Miles and Comeau, Perry and Gubbels, Arthur (2019) In-Flight Test Campaign to Validate PIO Detection and Assessment Tools. 8th Asian/Australian Rotorcraft Forum, 30. Okt. - 02. Nov. 2019, Ankara, Turkei.

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This paper describes a joint research campaign conducted by the German Aerospace Center (DLR) and the National Research Council Canada (NRC) to explore methods and techniques to expose rotorcraft Pilot-Induced Oscillations (PIOs) during flight testing. A flight test campaign was conducted at NRC using the Bell 205 experimental aircraft. Particularly for the lateral axis, ADS-33 tasks can be successfully applied to expose PIO tendencies. Novel subjective and objective criteria were used during the test campaign. PIO prediction boundaries of the objective phase-aggression critieria (PAC) detection algorithm were validated through results obtained. This was the first use of PAC with data recorded in-flight. To collect subjective feedback, the aircraft pilot coupling (APC) scale was used. This was the first use of the novel scale in-flight and received favorable feedback from the evaluation pilot. Modifications to ADS-33 mission tasks were found to successfully improve the ability to consistently expose PIOs.

Item URL in elib:https://elib.dlr.de/130153/
Document Type:Conference or Workshop Item (Speech)
Title:In-Flight Test Campaign to Validate PIO Detection and Assessment Tools
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Jones, MichaelMichael.Jones (at) dlr.dehttps://orcid.org/0000-0003-1782-739X
Alexander, MarcNRC CanadaUNSPECIFIED
Höfinger, MarcMarc.Hoefinger (at) dlr.deUNSPECIFIED
Barnett, Milesmiles.barnett (at) dlr.deUNSPECIFIED
Comeau, PerryNRC CanadaUNSPECIFIED
Gubbels, ArthurNRC CanadaUNSPECIFIED
Date:30 October 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Flight Test, pilot-induced oscillation, rotorcraft pilot couplings, phase-aggression criteria, handling qualities
Event Title:8th Asian/Australian Rotorcraft Forum
Event Location:Ankara, Turkei
Event Type:international Conference
Event Dates:30. Okt. - 02. Nov. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:rotorcraft
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: Jones, Michael
Deposited On:10 Jan 2020 18:43
Last Modified:10 Jan 2020 18:43

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