Controlling vehicular driving force in anticipation of road situ

Details Controlling vehicular driving force in anticipation of road situ Controlling vehicular driving force in anticipation of road situ

1995-09-01

1998-11-03

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

701 58, 701 65, B60K 3104

Patent

active

058324003

ABSTRACT:
In an apparatus and method utilizing a navigation system for controlling a driving force to be exerted at an estimated position at which the vehicle is to pass to reach to a destination at which the vehicle is finally to reach, a running road estimating block estimates a future position of the own vehicle in which the vehicular driving force controlling apparatus is mounted on the basis of a present position of the own vehicle. The estimated future position is a point of a road for the vehicle to pass several seconds after a time at which the own vehicle is placed at the present position specified from a recorded content of an electronic road map stored in, for example, CD-ROM. A driving force predicting block determines a present vehicular load state derived by a running resistance measuring block as a required driving force at the estimated position by correcting the present vehicular load state by a height difference between the estimated position and the present position. A driving system controlling block changes a setting of an engine and/or automatic power transmission according to a magnitude of the required driving force at the present position.

REFERENCES:
patent: 4380048 (1983-04-01), Kishi et al.
patent: 4630508 (1986-12-01), Klatt
patent: 4743913 (1988-05-01), Takai
patent: 4899285 (1990-02-01), Nakayama et al.
patent: 5371678 (1994-12-01), Nomura
patent: 5410477 (1995-04-01), Ishii et al.
patent: 5419207 (1995-05-01), Kobayashi et al.

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