Title:
ROAD SURFACE CONDITION DETERMINATION DEVICE AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048024
Kind Code:
A1
Abstract:
A road surface condition determination device (10) determines a condition of a road surface on which a vehicle is traveling, the road surface condition determination device comprising: a data acquisition unit (131) that acquires sound data collected by a data collection unit mounted to the vehicle and containing information relating to reflected sound of sound generated by the vehicle; and a determination unit (132) that determines the condition of the road surface on the basis of the presence or absence of a peak in a predetermined frequency range in the acquired sound data.
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Inventors:
ISHIDA MASAMI (JP)
NEMOTO TOMOAKI (JP)
CHIKUGO TOMOAKI (JP)
NEMOTO TOMOAKI (JP)
CHIKUGO TOMOAKI (JP)
Application Number:
PCT/JP2023/022799
Publication Date:
March 07, 2024
Filing Date:
June 20, 2023
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
G01N29/12; G01N29/46; G01W1/00
Foreign References:
| JP2019167760A | 2019-10-03 | |||
| JPH08261993A | 1996-10-11 | |||
| JP2005156236A | 2005-06-16 | |||
| JP2003083943A | 2003-03-19 | |||
| US5852243A | 1998-12-22 | |||
| JP2011242303A | 2011-12-01 | |||
| JP2004198433A | 2004-07-15 | |||
| US20110109448A1 | 2011-05-12 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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