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Identification of A Vehicle Pull Mechanism
Technical Paper
2000-05-0253
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English
Abstract
A vehicle pull problem is directly related to safety and comfort. Major parameters causing the pull problem are the PRAT and conicity of tires, the VRAT, cross camber, cross caster and other manufacturing uniformity of a vehicle, and road crown. The effects of these parameters are described in this paper. The significance of VRAT and PRAT is explained as pull matching parameters. Especially, conicity sensitivity and VRAT sensitivity with respect to the changes of cross camber and cross caster are given. To minimize the pull problem, it is shown that a co-work between vehicle and tire companies is necessary from the beginning of a vehicle development to the end
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Authors
- Sang-Hyun Oh - Vehicle Dynamics Research Team, R&D Center, Hankook Tire Co., Ltd., 23-1, Jang-dong, Yusung-gu, Taejon, S. Korea
- Young-Hee Cho - Vehicle Dynamics Research Team, R&D Center, Hankook Tire Co., Ltd., 23-1, Jang-dong, Yusung-gu, Taejon, S. Korea
- Gwanghun Gim - Vehicle Dynamics Research Team, R&D Center, Hankook Tire Co., Ltd., 23-1, Jang-dong, Yusung-gu, Taejon, S. Korea
Citation
Oh, S., Cho, Y., and Gim, G., "Identification of A Vehicle Pull Mechanism," SAE Technical Paper 2000-05-0253, 2000.Also In
References
- Pottinger M. 1990 Tire/Vehicle Pull: An Introduction Emphasizing Plysteer Effects, Tire Science and Technology TSTCA 18 3 July-September 170 190
- Matyja Frank E. 1987 Tread Design and Belt Angle Effect on Residual Aligning Torque SAE Paper No. 870423
- Richard W. Topping 1975 Tire Induced Steering Pull SAE Paper No. 750406