Method and device for estimating a profile depth of a tire
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United States of America Patent
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Dec 6, 2016
Grant Date -
Sep 3, 2015
app pub date -
Jul 18, 2013
filing date -
Jul 24, 2012
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Abstract
A method and a device estimate a profile depth of a tire of a vehicle during operation of the vehicle. The method measures signals from a piezoelectric element which is disposed on an inner side of the tire in a region which deforms in the event of tread shuffle. The measured signals or actual data derived from the signals are compared with comparison data. The comparison data contain data sets which each indicate signals to be expected for a profile depth or actual data which are to be expected. The profile depth is then estimated on the basis of the comparison of the signals or of the actual data with the comparison data.
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