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Nissan's New “High-Drivability” Vibration Control System
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English
Abstract
Attenuation of fore and after vehicle vibration caused by transient throttle pedal maneuvering is a key factor in achieving a good drivability.
The dynamics of this vibration is analyzed considering torque generated by combustion as the exciting force. The relationship between vibration attenuation and improvement of drivability is determined using a subjective, low frequency vibration test. Through these analyses and tests, a new vibration control system is developed which controls the above noted torque by providing optimum adjustment of ignition timing. Decreasing fore and after vehicle vibration without adversely affecting vehicle performance, this control system improves drivability in both FF and FR cars by more than 1.0 evaluation point.
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Abe, T., Minami, H., Atago, T., Fujiwara, Y. et al., "Nissan's New “High-Drivability” Vibration Control System," SAE Technical Paper 891157, 1989, https://doi.org/10.4271/891157.Also In
References
- Krenz R. A. “Vehicle Response to Throttle Tip-in/Tip-out” SAE Technical Paper Series 850967 1985
- Kikuchi K. Fujiwara Y. “Human Subjected Response to Fore and Aft Vehicle Vibration” SAE of Japan Technical Paper Series 862089 1986
- Morimura H. Minami H. Tsuchiya M. “Effects of Engine Output Torque and Driveline Nonlinear Characteristics on Vehicle Drivability” FISITA Technical Paper Series 865122 1986