Apparatus and method for predicting a breaking distance of a...

Details Apparatus and method for predicting a breaking distance of a... Apparatus and method for predicting a breaking distance of a...

2007-01-23

2009-02-03

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Relative location

Collision avoidance

C701S070000, C701S078000, C180S275000

Reexamination Certificate

active

07487044

ABSTRACT:
An apparatus and method acquires acceleration data in a time series of a predetermined site of the tire during traveling of the vehicle, and removes an acceleration component due to a deformation of the tire from the acquired acceleration data to obtain a modified acceleration data, and performs frequency analysis of the modified acceleration data to obtain a frequency spectrum, and obtains an accumulated value of the frequency spectrum, and calculating a braking distance parameter for predicting a braking distance based on the obtained accumulated value, and obtains a predicted value of the braking distance of the vehicle based on the braking distance parameter calculated in the calculating part.

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