Urban air mobility vehicles require high reliability and high performance electric motor drive trains. In this paper, a design optimization study is carried out to compare mechanically geared, magnetically geared, and direct drive motor drivetrain topology achievable performance in a 100 kW hover power quad rotor propulsor application. Design studies are carried out accounting for a nominal mission profile. Studies are carried out assuming constant propulsor rotor RPMs of 400, 1000, 2000, and 3000 RPM. Results show that mechanically geared drives are the lightest at all RPMs but their weight benefit over direct drive and magnetically geared decays with increased rotor RPM. Direct drive is shown to always achieve the highest efficiency due to its lower motor speed resulting in low electrical frequencies. Magnetically geared drivetrains are shown to need some requirement refinement or technology improvement to provide significant benefit over direct drive drivetrains.


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    Titel :

    Design Studies on Mechanically Geared, Magnetically Geared, and Direct Drive Drivetrains for UAM Applications


    Beteiligte:
    Thomas Tallerico (Autor:in) / Jeffryes Chapman (Autor:in) / Andrew Smith (Autor:in)

    Kongress:

    AIAA AVIATION Forum and Exposition ; 2023 ; San Diego, CA, US


    Erscheinungsdatum :

    2023-06-12


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch






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