Adaptive cruise speed controlling apparatus and method for...

Details Adaptive cruise speed controlling apparatus and method for... Adaptive cruise speed controlling apparatus and method for...

2005-03-22

2005-03-22

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

C180S274000, C701S096000

Reexamination Certificate

active

06870468

ABSTRACT:
In adaptive cruise speed controlling apparatus and method for an automotive vehicle, a target vehicular velocity is set in such a way that an addition value of a difference between a target inter-vehicle distance from the vehicle to a preceding vehicle, the preceding vehicle running ahead of the vehicle on the same traffic lane, and an actual inter-vehicle distance thereof multiplied by a first gain and a relative velocity between the vehicle and the preceding vehicle multiplied by a second gain is included in the set vehicular velocity and the first and second gains are set to control a vehicular driving force to make the inter-vehicle distance substantially equal to the target inter-vehicle distance and to converge the inter-vehicle distance into the target inter-vehicle distance within a predetermined small overshoot crossing the target inter-vehicle distance when a size of an external form of the preceding vehicle is larger than a predetermined size.

REFERENCES:
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patent: 6473686 (2002-10-01), Adachi et al.
patent: 6477260 (2002-11-01), Shimomura
patent: 20020173896 (2002-11-01), Ishizu et al.
patent: 20030038714 (2003-02-01), Matsumoto et al.
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patent: 11-20503 (1999-01-01), None
Yoshiyuki Sogawa et al., “Forward Direction Recognition System with Stereo Vision for Automobiles”, Japanese Automotive Technology, Apr. 2002, pp. 34-39, vol. 56-No. 4.

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