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Improvement of Vehicle Dynamics by Vehicle-Speed-Sensing Four-Wheel Steering System
ISSN: 0148-7191, e-ISSN: 2688-3627
Published March 01, 1986 by SAE International in United States
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Equalizing phase lags of yaw rate and lateral acceleration while also minimizing both phase lag values in vehicle transient response has been found to improve vehicle maneuverability at low to high road speeds.
To realize these operating characteristics, “SS 4WS” (Speed-Sensing Four-wheel Steering system) has been developed as a system to control optimally the steering ratio of rear to front wheels. Various tests have verified the effectiveness of this system.
- Tadahiko Takiguchi - Chassis Design Engineering Div. Mazda Motor Corp.
- Noritaka Yasuda - Chassis Research Dept., Testing & Research Div., Mazda Motor Corp.
- Shigeki Furutani - Chassis Research Dept., Testing & Research Div., Mazda Motor Corp.
- Hirotaka Kanazawa - Chassis Design Engineering Dept. II, Chassis Design Engineering Div., Mazda Motor Corp.
- Hitoshi Inoue - Chassis Design Engineering Dept. II, Chassis Design Engineering Div., Mazda Motor Corp.
CitationTakiguchi, T., Yasuda, N., Furutani, S., Kanazawa, H. et al., "Improvement of Vehicle Dynamics by Vehicle-Speed-Sensing Four-Wheel Steering System," SAE Technical Paper 860624, 1986, https://doi.org/10.4271/860624.
- Okada T. et al., “On Automobile Control and Stability.” in Japanese, JSAE, Vol. 18, No. 3, 1964.
- Sano S. et al., “The Effect of Improved Dynamics on Drivers Control Performance.”, 7th International Conference on Experimental Safety Vehicles, 1979.
- Sano S. et al., “Effects of Vehicle Response Characteristics and Driver's Skill Level on Task Performance and Subjective Rating.”, 8th International Conference on Experimental Safety Vehicles, 1980.