Method for estimating longitudinal acceleration or deceleration

Details Method for estimating longitudinal acceleration or deceleration Method for estimating longitudinal acceleration or deceleration

1990-09-06

1993-04-06

Chin, Gary

Boots, shoes, and leggings

36442602, 364566, 324162, 73510, G01P 1500

Patent

active

052008967

ABSTRACT:
With the method of the present invention, a detected value in the longitudinal acceleration-deceleration detector can be corrected for a gradient of a slope acting on the detector when the vehicle is traveling on a sloped road surface. Assuming that a vehicle is traveling on an upward slope or a downward slope, a value in a vertical acceleration-deceleration detector is detected. A determination is made as to whether the vehicle is traveling on the upward or downward slope using a corrected value which is closest to a pseudo-acceleration or deceleration based on wheel speeds. This enables a more accurate estimation of the longitudinal acceleration or deceleration by using the corrected value which is closest to the pseudo-acceleration or deceleration.

REFERENCES:
patent: 4114450 (1978-09-01), Shulman et al.
patent: 4841446 (1989-06-01), Leiber et al.
patent: 4896268 (1990-01-01), MacGugan
patent: 4900100 (1990-02-01), Higashimata et al.
patent: 4908767 (1990-03-01), Scholl et al.

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