The bearing stiffness effect on in-wheel motors
ID Biček, Matej (Author), ID Connes, Raphaël (Author), ID Omerović, Senad (Author), ID Gündüz, Aydin (Author), ID Kunc, Robert (Author), ID Zupan, Samo (Author)

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In-wheel motors offer a promising solution for novel drivetrain architectures of future electric vehicles that could penetrate into the automotive industry by transferring the drive directly inside the wheels. The available literature mainly deals with the optimization of electromagnetically active parts; however, the mechanical design of electromagnetically passive parts that indirectly influence motor performance also require detailed analysis and extensive validation. To meet the optimal performance of an in-wheel motor, the mechanical design requires optimization of housing elements, thermal management, mechanical tolerancing and hub bearing selection. All of the mentioned factors have an indirect influence on the electromagnetic performance of the IWM and sustainability; therefore, the following paper identifies the hub bearing as a critical component for the in-wheel motor application. Acting loads are reviewed and their effect on component deformation is studied via analytically and numerically determined stiffness as well as later validated by measurements on the component and assembly level to ensure deformation envelope and functionality within a wide range of operations.

Keywords:air-gap, hub bearings, in-wheel motors, mathematical stiffness model, validation tests
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:18 str.
Numbering:Vol. 12, iss. 10, art. 4070
PID:20.500.12556/RUL-126431 This link opens in a new window
ISSN on article:2071-1050
DOI:10.3390/su12104070 This link opens in a new window
COBISS.SI-ID:16106243 This link opens in a new window
Publication date in RUL:21.04.2021
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Record is a part of a journal

Shortened title:Sustainability
COBISS.SI-ID:5324897 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:15.05.2020

Secondary language

Keywords:zračna reža, kolesni ležaji, znotraj kolesni motorji, matematični model togosti, validacijski testi


Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P2-0109
Name:Modeliranje v tehniki in medicini

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