METHOD AND APPARATUS FOR MONITORING TIRE PRESSURE USING ZERO CROSSING
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United States of America Patent
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Jan 26, 2017
app pub date -
Jul 22, 2016
filing date -
Jul 24, 2015
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Abstract
The present invention relates to a method and an apparatus for monitoring a tire pressure using zero crossing. Provided is a tire pressure monitoring method using zero crossing including: acquiring a wheel speed signal of a vehicle; interpolating the obtained wheel speed signal by a fixed time; calculating a maximum value of the interpolated wheel speed signal using a time range of zero crossing; calculating a changed amount of the maximum value by comparing the maximum value of the calculated wheel speed signal and the maximum value of the predetermined normal pressure; and determining a low pressure of a tire mounted on a vehicle using the calculated changed amount of the maximum value.
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