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Development of a Safe Powertrain System Architecture for the HorizonUAM Air Taxi Concept

Jäger, Florian und Bertram, Oliver (2022) Development of a Safe Powertrain System Architecture for the HorizonUAM Air Taxi Concept. 2nd Urban Air Mobility Symposium, 2022-12-01 - 2022-12-02, Braunschweig, Germany.

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Kurzfassung

The German Aerospace Center project HorizonUAM encompasses numerous research areas regarding urban air mobility. Whithin this context, this presentation aims to explain the design process for deriving a safe all-electric multirotor propulsion system for one of the HorizonUAM air taxi concepts. The main challenges for the multirotor propulsion system are the highly demanding certification requirements, especially in terms of system reliability, which are laid down within the means of compliance of the EASA SC-VTOL. Using a model-based systems engineering design approach which follows the safety design methods of ARP4761, different multirotor propulsion system architectures were iteratively developed, analyzed and further optimized to meet the required system reliabilities. The result of one proposed powertrain propulsion architecture, incorporating 4 main rotors and two push propellers, is presented herein. In addition to the powertrain architecture design each powertrain component, like the electric motor, the motor controller as well as a gearbox, was sized and compared with current state of the art technology. To verify the dynamic behavior of the whole powertrain a simulation model was set up. It could be shown that the powertrain can be build up using currently commercially available components and that the rotor reaction times seem to be acceptable. However, due to the low rotational speeds of the rotors, it is highly advisable not to use a direct drive but rather a gearbox to avoid high thermal losses. In the next future step, the different system models, which were implemented will be integrated to achieve a holistic integrated system model.

elib-URL des Eintrags:https://elib.dlr.de/191919/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Development of a Safe Powertrain System Architecture for the HorizonUAM Air Taxi Concept
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Jäger, Florianflorian.jaeger (at) dlr.dehttps://orcid.org/0009-0002-9452-2792NICHT SPEZIFIZIERT
Bertram, Oliveroliver.bertram (at) dlr.dehttps://orcid.org/0000-0002-7732-9280NICHT SPEZIFIZIERT
Datum:1 Dezember 2022
Referierte Publikation:Nein
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Multirotor, Propulsion System, Air Taxi, Safety Assessment, Model-Based Systems Engineering
Veranstaltungstitel:2nd Urban Air Mobility Symposium
Veranstaltungsort:Braunschweig, Germany
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:1 Dezember 2022
Veranstaltungsende:2 Dezember 2022
Veranstalter :DLR
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):L - keine Zuordnung
Standort: Braunschweig
Institute & Einrichtungen:Institut für Flugsystemtechnik > Sichere Systeme und System Engineering
Institut für Flugsystemtechnik
Hinterlegt von: Jäger, Florian
Hinterlegt am:19 Jan 2023 13:40
Letzte Änderung:24 Apr 2024 20:53

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