METHOD OF TIRE STATE ESTIMATION THROUGH WHEEL SPEED SIGNAL FEATURE EXTRACTION
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United States of America Patent
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Apr 4, 2017
Grant Date -
Apr 27, 2017
app pub date -
Oct 21, 2015
filing date -
Oct 21, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A method for estimating a tire state, such as tire wear state, includes utilizing a vehicle-based sensor for measuring a wheel speed of the tire and generating a wheel speed signal, extracting through statistical analysis a first extracted feature such as slip-ratio rate from the wheel speed signal, extracting through statistical analysis a second extracted feature such as median slip-ratio from the wheel speed signal, classifying data from the first extracted feature and data from the second extracted feature using a support vector data classification algorithm and applying the algorithm to estimate the tire state.
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