TIRE STATE ESTIMATING DEVICE, CONTROL METHOD OF TIRE STATE ESTIMATING DEVICE, AND NON-TRANSITORY STORAGE MEDIUM
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United States of America Patent
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Issued Date -
Sep 30, 2021
app pub date -
Mar 29, 2021
filing date -
Mar 30, 2020
priority date (Note) -
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Abstract
A tire state estimating device includes an electronic control unit. The electronic control unit is configured to acquire generated force of a tire. The electronic control unit is configured to acquire a friction coefficient between the tire and a road surface. The electronic control unit is configured to derive a grip margin of the tire. The electronic control unit is configured to estimate a contact length of the tire in an uncontrolled drive state. The electronic control unit is configured to estimate a cornering power of the tire, based on the contact length of the tire that is estimated and the generated force of the tire that is acquired.
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