Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Patent
1998-08-31
2000-08-15
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
701 84, 701 85, 701 86, 701 87, 701 54, 180170, 180179, 477107, 477110, 477115, 477118, B60T 3100
Patent
active
06104976&
ABSTRACT:
A vehicle speed control system comprises a section for calculating a command driving force-required to make a sensed vehicle speed equal to a preset command vehicle speed, a section for calculating a command engine output in accordance with the command driving force and the command vehicle speed, a section for calculating a command engine speed corresponding to the command engine output from a predetermined engine torque-versus-speed characteristic relationship in an engine constraint state of minimum throttle setting and fuel cutoff inhibition when the command driving. force is negative, and a section for calculating a command transmission ratio in accordance with the command engine speed. When the driving force command is negative, the control system put the engine in the constraint state and controls a continuously variable transmission in response to the command transmission ratio so as to prevent undesired vehicle speed hunting.
REFERENCES:
patent: 4939656 (1990-07-01), Hoashi et al.
patent: 5033571 (1991-07-01), Morimoto
patent: 5197564 (1993-03-01), Nishimura et al.
patent: 5758306 (1998-05-01), Nakamura
"Control Algorithms for DBW", S. Morita, Jidoshagijutsu gakkai-shi, vol. 48, No. 10, 1994, pp. 13-19.
Beaulieu Yonel
Cuchlinski Jr. William A.
Nissan Motor Co,. Ltd.
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