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Title:
TIRE TESTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/059490
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a tire testing device. This tire testing device is a drum-type tire testing device provided with: a drum comprising a transparent section on the outer circumferential surface thereof; an imaging device that captures an image of the ground contact surface of the tire from the inner side of the drum via the transparent section; a ground contact surface imaging processing unit that uses the imaging device to capture an image of the ground contact surface when the tire is in contact with the transparent section; an edging processing unit that performs edging processing on the captured image information of the ground contact surface of the tire; a division processing unit that performs division processing on an area satisfying a predetermined condition regarding resolution in the image information subjected to edging processing; a matching processing unit that performs matching processing using the divided area; and a slide amount calculation processing unit that calculates a slide amount using the result of the matching processing and a ground contact surface movement amount resulting from the rotation amount of the drum.

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Inventors:
ITO YUKIHISA (JP)
KANEKO YOICHI (JP)
KIDO KAZUKI (JP)
OKAMOTO KAZUKI (JP)
TSUDA TORU (JP)
Application Number:
PCT/JP2019/034724
Publication Date:
March 26, 2020
Filing Date:
September 04, 2019
Export Citation:
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Assignee:
A&D CO LTD (JP)
International Classes:
G01M17/02; B60C19/00
Foreign References:
JP2010078416A2010-04-08
JPH0363504A1991-03-19
JP2011203207A2011-10-13
JP2005265748A2005-09-29
JP2006133015A2006-05-25
JPH05196557A1993-08-06
US5616839A1997-04-01
KR20090046181A2009-05-11
JP2005214860A2005-08-11
Other References:
See also references of EP 3686572A4
Attorney, Agent or Firm:
IKUTA Tetsuo et al. (JP)
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