Method for estimating longitudinal acceleration or deceleration of a vehicle body
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United States of America Patent
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-
Apr 6, 1993
Grant Date -
N/A
app pub date -
Sep 6, 1990
filing date -
Sep 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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