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Impact of Different Powertrain Architectures on UAM Vehicle Concepts

Bertram, Oliver and Jäger, Florian and Voth, Viola and Rosenberg, Jan (2021) Impact of Different Powertrain Architectures on UAM Vehicle Concepts. Deutscher Luft- und Raumfahrtkongress 2021, 31.08.-02.09.2021, Bremen / Virtuell.

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Abstract

The research on the system architecture of Urban Air Mobility (UAM) vehicles is a vital part inside the DLR internal project HorizonUAM. One of the project goals in HorizonUAM is the development of a system concept for an air taxi. For this purpose, research is also carried out in the area of safe and certifiable onboard systems. The aim of this article is to give an overview of the previous results and findings. The system and safety challenges in the design of onboard systems with a focus on electrical powertrain systems are described. A developed preliminary design method enables full, turbo and hybrid electric drive systems to be examined in UAM vehicle design. This methodology was used in a study to investigate the influence of different powertrain architectures on the multirotor design. Here, the basic feasibility of the multirotor designs with different powertrain systems could be determined. For this purpose, the battery weight and the overall efficiency of the powertrain system were identified as design driver. There is still a need for further research into drives with fuel cell systems.

Item URL in elib:https://elib.dlr.de/143785/
Document Type:Conference or Workshop Item (Speech)
Title:Impact of Different Powertrain Architectures on UAM Vehicle Concepts
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bertram, OliverOliver.Bertram (at) dlr.dehttps://orcid.org/0000-0002-7732-9280
Jäger, FlorianFlorian.Jaeger (at) dlr.deUNSPECIFIED
Voth, ViolaViola.Voth (at) dlr.deUNSPECIFIED
Rosenberg, JanJan.Rosenberg (at) dlr.deUNSPECIFIED
Date:September 2021
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:UAM, Onboard Systems, Propulsion Systems, Preliminary Design, Multirotor, Battery, Fuel Cell, Hybrid-electric
Event Title:Deutscher Luft- und Raumfahrtkongress 2021
Event Location:Bremen / Virtuell
Event Type:national Conference
Event Dates:31.08.-02.09.2021
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: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Safety Critical Systems&Systems Engineering
Deposited By: Bertram, Oliver
Deposited On:06 Dec 2021 11:43
Last Modified:06 Dec 2021 11:43

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