Research on yaw moment control system for race cars using drive and brake torques

Kobayashi, Ikkei and Kuroda, Jumpei and Uchino, Daigo and Ogawa, Kazuki and Ikeda, Keigo and Kato, Taro and Endo, Ayato and Peeie, Mohamad Heerwan and Narita, Takayoshi and Kato, Hideaki (2023) Research on yaw moment control system for race cars using drive and brake torques. Vehicles, 5 (2). pp. 1-20. ISSN 2624-8921. (Published)

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Abstract

The yaw acceleration required for circuit driving is determined by the time variation of the yaw rate due to two factors : corner radius and velocity at the center of gravity. Torque vectoring systems have the advantage where the yaw moment can be changed only by the longitudinal force without changing the lateral force of the tires, which greatly affects lateral acceleration. This is expected to improve the both the spinning performance and the orbital performance, which are usually in a trade-off relationship. In this study, we proposed a yaw moment control technology that actively utilized a power unit with a brake system, which was easy to implement in a system, and compared the performance of vehicles equipped with and without the proposed system using the Milliken Research Associates moment method for quasi-steady-state analysis. The performances of lateral acceleration and yaw moment were verified using the same method, and a variable corner radius simulation for circuit driving was used to compare time and performance. The results showed the effectiveness of the proposed system.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Brake torque; Drive torque; Race car; Torque vectoring; Vehicle dynamics control
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Faculty/Division: Faculty of Mechanical and Automotive Engineering Technology
Depositing User: Mr Muhamad Firdaus Janih@Jaini
Date Deposited: 05 Sep 2023 07:57
Last Modified: 05 Sep 2023 07:57
URI: http://umpir.ump.edu.my/id/eprint/38354
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