Vehicle speed control system

Details Vehicle speed control system Vehicle speed control system

B - Operations, Transporting

60

K

B60K 31/00 (2006.01) B60K 31/04 (2006.01) F16H 59/14 (2006.01) F16H 59/44 (2006.01) F16H 59/74 (2006.01) F16H 61/662 (2006.01) F16H 59/66 (2006.01) F16H 61/66 (2006.01)

Patent

CA 2308071

A system for controlling a speed of a vehicle having a continuously variable transmission (CVT) and a cruise controller which controls the traveling speed of the vehicle to a desired speed in response to the instruction to cruise control inputted by the vehicle operator. In the system, the detected throttle opening is smoothed or filtered such that the speed ratio of the continuously variable transmission is controlled based on the smoothed throttle opening and the detected vehicle speed when the instruction to cruise control is input. Alternatively, a parameter indicative of upslope of the road where the vehicle climbs is determined and the speed ratio is controlled based on the parameter and the detected vehicle speed. With this, the system can reduce the engine speed fluctuation and can prevent the vehicle operator from feeling uneasy when the cruise control is effected.

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