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Ground Testing of the FLEXOP Demonstrator Aircraft

Sodja, Jurij and De Breuker, Roeland and Meddaikar, Muhammad Yasser and Dillinger, Johannes and Soal, Keith Ian and Govers, Yves and Krüger, Wolf R. and Georgopoulos, Panagiotis and Koimtzoglou, Christos and Rößler, Christian and Koeberle, Sebastian J and Bartasevicius, Julius and Teubl, Daniel and Gyulai, Laszlo and Toth, Szabolcs and Nagy, Mihaly and Balogh, Daniel and Jasdi, Miklos and Bauer, Peter and Vanek, Balint (2020) Ground Testing of the FLEXOP Demonstrator Aircraft. In: AIAA Scitech 2020 Forum. AIAA. AIAA Scitech 2020 Forum, 06.-10. Jan. 2020, Orlando, FL (USA). doi: 10.2514/6.2020-1968. ISBN 978-162410595-1.

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Ground testing campaign conducted on the FLEXOP demonstrator aircraft is presentedin this paper. The conducted tests are grouped in structural, flight system and integrationtests. Along with the description of the test setup and test execution, the main findingsand conclusions are also given. The structural tests comprise the static, ground vibrationand the airworthiness test. The static and the ground vibration tests were used for struc-tural characterisation of the manufactured wings and airframe as a whole. Assessment andcalibration of the Fibre Brag strain sensing system for wing shape and load reconstruc-tion is also presented within this context. The airworthiness test is used to demonstratethe structural integrity of the manufactured wings under specified limit loads. Withinthe context of the flight system tests, the main components of the on-board autopilothardware-software system are briefly introduced including the signal data flow from theRC transmitter to the aircraft controls, the functionality of the baseline autopilot softwareand the communication with the ground station. All of these components are integratedinto the hardware-in-the-loop environment, which is also briefly introduced along with theservo motor identification and the hardware delay measurements. The measured hard-ware delay was considered in the design of the baseline and flutter controllers. The fluttercontrollers were tested together with the baseline controller in the software-in-the-loopenvironment. System integration tests are presented last. In this context the airbrake,the engine, the compatibility of electronic components, the range and the taxi tests arepresented.

Item URL in elib:https://elib.dlr.de/136658/
Document Type:Conference or Workshop Item (Speech)
Title:Ground Testing of the FLEXOP Demonstrator Aircraft
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Sodja, JurijUNSPECIFIEDhttps://orcid.org/0000-0001-8347-1438
De Breuker, RoelandAerospace Structures, Delft University of Technologyhttps://orcid.org/0000-0002-7882-2173
Meddaikar, Muhammad YasserUNSPECIFIEDhttps://orcid.org/0000-0001-9580-7023
Dillinger, JohannesUNSPECIFIEDhttps://orcid.org/0000-0002-7522-7555
Soal, Keith IanUNSPECIFIEDhttps://orcid.org/0000-0002-5132-6823
Govers, YvesUNSPECIFIEDhttps://orcid.org/0000-0003-2236-596X
Krüger, Wolf R.UNSPECIFIEDhttps://orcid.org/0000-0002-7949-1169
Georgopoulos, PanagiotisINASCO Hellas Co.UNSPECIFIED
Koimtzoglou, ChristosKoimtzoglouUNSPECIFIED
Koeberle, Sebastian JTUMUNSPECIFIED
Bartasevicius, JuliusTUMUNSPECIFIED
Gyulai, LaszloInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Toth, SzabolcsInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Nagy, MihalyInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Balogh, DanielInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Jasdi, MiklosInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Bauer, PeterInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Vanek, BalintInstitute for Computer Science and Control (SZTAKI)UNSPECIFIED
Date:January 2020
Journal or Publication Title:AIAA Scitech 2020 Forum
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:FLEXOP, ground testing
Event Title:AIAA Scitech 2020 Forum
Event Location:Orlando, FL (USA)
Event Type:international Conference
Event Dates:06.-10. Jan. 2020
Organizer:AIAA - American Society of Aeronautics and Astronautics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old), L - Simulation and Validation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Loads Analysis and Aeroelastic Design
Institute of Aeroelasticity > Structural Dynamics and System Identification
Deposited By: Meddaikar, Muhammad Yasser
Deposited On:20 Oct 2020 11:50
Last Modified:23 Feb 2022 12:09

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