Constant speed traveling apparatus for vehicle with inter-vehicl

Details Constant speed traveling apparatus for vehicle with inter-vehicl Constant speed traveling apparatus for vehicle with inter-vehicl

1993-08-25

1995-03-07

Chin, Gary

Boots, shoes, and leggings

364460, 364461, 180169, 180170, 342455, 123352, G06F 1550

Patent

active

053964268

ABSTRACT:
An apparatus includes an inter-vehicle distance sensor for measuring a distance from a self vehicle to a vehicle traveling ahead, and a relative speed is calculated on the basis of the inter-vehicle distance data detected by the inter-vehicle distance sensor. When a variation of the relative speed is small, it is recognized that a vehicle is present ahead of the self vehicle. An acceleration/deceleration is obtained from a stored acceleration/deceleration basic map on the basis of a difference between the inter-vehicle distance and a target inter-vehicle distance, and the relative speed with the vehicle ahead, and an acceleration/deceleration correction coefficient is calculated from a correction map set with adjustment constants in correspondence with the measured inter-vehicle distance. An acceleration/deceleration is calculated by multiplying the acceleration/deceleration with the correction coefficient. A new target vehicle speed is calculated on the basis of the calculated acceleration/deceleration, and a previously set target vehicle speed.

REFERENCES:
patent: 4622636 (1986-11-01), Tachibana
patent: 4670845 (1987-06-01), Etoh
patent: 4703429 (1987-10-01), Sakata
patent: 5166881 (1992-11-01), Akasu
patent: 5197562 (1993-03-01), Kakinami et al.
patent: 5234071 (1993-08-01), Kajiwara

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