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Direct Tire Grip Sensing Based on Wheel Speed Fluctuation
Technical Paper
2005-01-1587
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper proposes direct tire grip sensing method based on wheel rotation speed fluctuation. Tire skid caused by loss of grip excites tire vibration. Therefore the vibration modulates tire rotation and causes wheel speed fluctuation. The wheel speed fluctuation is sensed by a wheel speed sensor. And the vibration frequency component is detected by frequency domain analysis such as FFT, wavelet transformation, etc. This paper presents effect of the proposed method through results of frequency-domain analysis on experimental data gathered by a chassis dynamo type tire testing system.
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Citation
Kanekawa, N., Hoshino, M., Kaneyasu, M., and Komatsuzaki, K., "Direct Tire Grip Sensing Based on Wheel Speed Fluctuation," SAE Technical Paper 2005-01-1587, 2005, https://doi.org/10.4271/2005-01-1587.Also In
References
- Sugai Masaru et al. New Control Technique for Maximizing Braking Force on Antilock Braking System AVEC'98, #9837418 1998
- Asano Katsuhiro et al. Wheel Vibration Phenomenon and Braking Force Maximization Control Toyota Central R & D Review 34 2 27 34 1999