TIRE WEAR AMOUNT ESTIMATION SYSTEM, TIRE WEAR AMOUNT ESTIMATION PROGRAM, AND TIRE WEAR AMOUNT ESTIMATION METHOD

Title:

TIRE WEAR AMOUNT ESTIMATION SYSTEM, TIRE WEAR AMOUNT ESTIMATION PROGRAM, AND TIRE WEAR AMOUNT ESTIMATION METHOD

Document Type and Number:

WIPO Patent Application WO/2021/079838

Kind Code:

A1

Abstract:

This tire wear amount estimation system includes: a step for obtaining a strain signal outputted from a strain sensor (115) provided to an internal surface or the inside of a pneumatic tire (10); and a step for estimating a wear state of a tread part of the pneumatic tire (10) on the basis of a strain signal (Bo) that is outputted at a timing of kick-out from a road surface in a ground-contact region (Ac) at the tread part corresponding to the strain sensor (115) and a reference value of the strain signal.

Inventors:

ISHIZUKI MASAMU
NISHIYAMA KENTA

Application Number:

PCT/JP2020/039204

Publication Date:

April 29, 2021

Filing Date:

October 19, 2020

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)

International Classes:

B60C19/00; G01M17/02

Domestic Patent References:

WO2009008502A1

2009-01-15

Foreign References:

JP2007153034A	2007-06-21
JP2006160159A	2006-06-22
JP2016190615A	2016-11-10

Other References: