Recursive vehicle mass estimation
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United States of America Patent
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Dec 26, 2000
Grant Date -
N/A
app pub date -
Apr 23, 1998
filing date -
Apr 23, 1998
priority date (Note) -
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Abstract
A method and apparatus is disclosed for recursively estimating vehicle mass and/or aerodynamic coefficient of a moving vehicle. The vehicle speed and push force data are collected and a segment of qualified data is then selected from the collected data. Newton's second law is integrated to express vehicle mass and/or aerodynamic coefficient in terms of vehicle push force and vehicle speed. This expression is then used in a recursive analysis of the qualified data segment to determine an estimated vehicle mass and/or aerodynamic coefficient.
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