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A Study for Applying an Anti-lock Braking System to 4-wheel Drive Cars
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1989 by SAE International in United States
Annotation ability available
It is said that a four-wheel drive (4WD) system which can control the distribution of driving torque to the front and rear axles will result in remarkably improved tractive and cornering performance. However, because of the difficulty in obtaining accurate vehicle speed information and in identifying the influence of engine brake torque on performance on slippery roads, it has been difficult to apply an anti-lock braking system (ABS) to vehicles equipped with such a 4WD system.
This paper discusses a solution to this problem achieved through the utilization of a vehicle dynamic simulation model and a new integrated anti-lock and traction distribution control method. The existence of an optimum front/rear torque split which makes it possible to estimate vehicle speed accurately and to obtain the best level of ABS control performance is shown.
- Tadashi Suzuki - Electronics Research Laboratory Central Engineering Laboratories Nissan Motor Co., Ltd.
- Yoshiki Yasuno - Electronics Research Laboratory Central Engineering Laboratories Nissan Motor Co., Ltd.
- Takeshi Fujishiro - Electronics Research Laboratory Central Engineering Laboratories Nissan Motor Co., Ltd.
- Toshiro Matsuda - Chassis Design Department Nissan Motor Co., Ltd.
- Hitoshi Kubota - Chassis Design Department Nissan Motor Co., Ltd.
CitationSuzuki, T., Yasuno, Y., Fujishiro, T., Matsuda, T. et al., "A Study for Applying an Anti-lock Braking System to 4-wheel Drive Cars," SAE Technical Paper 890832, 1989, https://doi.org/10.4271/890832.
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