Analysis of the Influence of Motors Installed in Passenger Car Wheels on the Torsion Beam of the Rear Axle Suspension

Piotr Dukalski, Bartłomiej Będkowski, Krzysztof Parczewski, Henryk Wnęk, Andrzej Urbaś and Krzysztof Augustynek
Additional contact information
Piotr Dukalski: Łukasiewicz Research Network—Institute of Electrical Drives and Machines KOMEL, 188 Roździeńskiego Ave., 40-203 Katowice, Poland
Bartłomiej Będkowski: Łukasiewicz Research Network—Institute of Electrical Drives and Machines KOMEL, 188 Roździeńskiego Ave., 40-203 Katowice, Poland
Krzysztof Parczewski: Department of Combustion Engines and Vehicles, University of Bielsko-Biala, 2 Willowa Str., 43-309 Bielsko-Biala, Poland
Henryk Wnęk: Department of Combustion Engines and Vehicles, University of Bielsko-Biala, 2 Willowa Str., 43-309 Bielsko-Biala, Poland
Andrzej Urbaś: Department of Mechanical Engineering Fundamentals, University of Bielsko-Biala, 2 Willowa Str., 43-309 Bielsko-Biala, Poland
Krzysztof Augustynek: Department of Mechanical Engineering Fundamentals, University of Bielsko-Biala, 2 Willowa Str., 43-309 Bielsko-Biala, Poland

Energies, 2021, vol. 15, issue 1, 1-20

Abstract: The influence of mounting motors in wheels’ hubs and flexibility of the twist beam rear suspension on their dynamics and strength is presented in the paper. The international roughness indicator (IRI) is applied to assess the overcoming of road unevenness. This indicator is a combination of a shape of the road unevenness and of overcoming velocity. The movement of a wheel’s axis during obstacles overcoming is described. For the needs of the dynamics analysis, the mathematical model of the rear suspension system with embedded motors is developed using the MSC.Adams-ANSYS interface. The discrete model of the twist beam is prepared in the ANSYS software, which is used in the next step to construct the dynamics model of the rear suspension system using the MSC.Adams program. The vertical components of displacement and acceleration of the wheel’s centre, forces in the suspension’s springs and dampers, as well as forces in the joints are analyzed. The analysis of the suspension beam’s stress during the road unevenness overcoming is also carried out.

Keywords: road unevenness; multibody system dynamics; rear suspension system; wheel hub motor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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