Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1990-05-03
1991-10-08
Rice, Kenneth R.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180142, 280 91, 36442405, B62D 506, B62D 706
Patent
active
050545680
ABSTRACT:
An auxiliary steering control apparatus for use with a motor vehicle having a vehicle speed sensor sensitive to a vehicle speed. A control unit is coupled to the vehicle speed sensor for sampling the sensed vehicle speed at time intervals and calculating a vehicle speed change between a new value of the sensed vehicle speed and the last value of the sensed vehicle speed. The control unit calculates a control vehicle speed value which is equal to the new vehicle speed value when the calculated vehicle speed change is less than a limit value and is equal to the last vehicle speed value plus the limit value when the calculated vehicle speed change exceeds the limit value. The control unit normally performs an auxiliary steering operation to provide an oversteer and understeer characteristic and performs an auxiliary steering operation to provide an understeer characteristic in the presence of a failure signal produced when a difference between the new vehicle speed value and the control vehicle speed value exceeds a predetermined value.
REFERENCES:
patent: 4412594 (1983-11-01), Furukawa et al.
patent: 4687214 (1987-08-01), Uno
patent: 4705135 (1987-11-01), Kawamoto et al.
patent: 4706976 (1987-11-01), Kawamoto et al.
patent: 4716981 (1988-01-01), Murao
patent: 4947327 (1990-08-01), Kawagoe
Ishikawa Yasuki
Shiraishi Yasuhiro
Hurley Kevin
Nissan Motor Co,. Ltd.
Rice Kenneth R.
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