Method and system for determining condition of road
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United States of America Patent
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-
Mar 13, 2001
Grant Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Aug 20, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for determining the condition of a road travelled by a vehicle includes a sensor for sensing a speed of the vehicle and an accelerometer for sensing a vertical acceleration of the vehicle. A central processing unit have control logic programmed therein determines a first road profile interval having upper and lower threshold values based on the speed of the vehicle and determines the condition of the road based on the vertical acceleration and the first road profile interval.
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