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Hardware-in-the-loop testing of a miniaturized real time flutter monitoring system for UAVs

Soal, Keith Ian and Nagy, Mihaly and Teubl, Daniel and Volkmar, Robin and Thiem, Carsten and Meddaikar, Muhammad Yasser and Vanek, B. and Govers, Yves and Böswald, Marc (2022) Hardware-in-the-loop testing of a miniaturized real time flutter monitoring system for UAVs. 30th International Conference on Noise and Vibration Engineering, ISMA 2022 and 9th International Conference on Uncertainty in Structural Dynamics, USD 2022. ISMA 2022 - International Conference on Noise and Vibration Engineering, 12.-14. September 2022, Leuven, Belgium.

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Abstract

Unmanned aerial vehicles continue to drive innovative aircraft designs, introducing new challenges to the aeroelastic stability of aircraft. Hardware-in-the-Loop HIL systems provide a powerful platform for testing complex real time embedded systems. The challenges of identifying and tracking modal parameters as an indicator of flutter are still unresolved. In this work a HIL system is used to test a miniaturized real time FLUtter monitorinG system FLUG. The hardware consisted of custom electronics and mini computers, a real time controller was used to run the aeroservoelastic model. An onboard computer was integrated to perform signal processing, modal analysis and tracking and send results via telemetry to a ground station. The system was demonstrated during a virtual flight test campaign. Eight modes were identified and tracked throughout the flight. A clear trend of decreasing damping with increasing flight speed and altitude were observed which can be used as a flutter indicator when approaching the edge of the flight envelope.

Item URL in elib:https://elib.dlr.de/188371/
Document Type:Conference or Workshop Item (Speech)
Title:Hardware-in-the-loop testing of a miniaturized real time flutter monitoring system for UAVs
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Soal, Keith IanKeith.Soal (at) dlr.dehttps://orcid.org/0000-0002-5132-6823
Nagy, MihalyInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Teubl, DanielTUMUNSPECIFIED
Volkmar, RobinRobin.Volkmar (at) dlr.dehttps://orcid.org/0000-0002-5920-0686
Thiem, CarstenCarsten.Thiem (at) dlr.deUNSPECIFIED
Meddaikar, Muhammad YasserMuhammad.Meddaikar (at) dlr.dehttps://orcid.org/0000-0001-9580-7023
Vanek, B.Institute for Computer Science and Control (SZTAKI),UNSPECIFIED
Govers, YvesYves.Govers (at) dlr.dehttps://orcid.org/0000-0003-2236-596X
Böswald, MarcMarc.Boeswald (at) dlr.deUNSPECIFIED
Date:September 2022
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hardware-in-the-loop, Embedded systems, Modal Analysis, Flight Testing
Event Title:30th International Conference on Noise and Vibration Engineering, ISMA 2022 and 9th International Conference on Uncertainty in Structural Dynamics, USD 2022. ISMA 2022 - International Conference on Noise and Vibration Engineering
Event Location:Leuven, Belgium
Event Type:international Conference
Event Dates:12.-14. September 2022
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Aircraft Systems
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Structural Dynamics and System Identification
Institute of Aeroelasticity > Loads Analysis and Aeroelastic Design
Deposited By: Soal, Dr Keith Ian
Deposited On:20 Sep 2022 11:45
Last Modified:20 Sep 2022 11:45

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