Title:
ABNORMAL SOUND DETERMINATION SYSTEM, ABNORMAL SOUND DETERMINATION DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/173041
Kind Code:
A1
Abstract:
This abnormal sound determination device comprises: an operating sound data acquisition means for acquiring operating sound data of a product; an ambient sound data acquisition means for acquiring ambient sound data; a removal means for removing the ambient sound data from the operating sound data; and a determination means for determining the operating sound of the product using the operating sound data from which the ambient sound data has been removed.
Inventors:
KITAMURA MASAKI (JP)
MIYASHITA SHINJI (JP)
YONEKURA SEIICHI (JP)
MIYASHITA SHINJI (JP)
YONEKURA SEIICHI (JP)
Application Number:
PCT/JP2022/005702
Publication Date:
August 18, 2022
Filing Date:
February 14, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
G01M99/00; G01H3/00; G06N20/00
Foreign References:
| JP2007263639A | 2007-10-11 | |||
| JP2019039901A | 2019-03-14 | |||
| JP2006126141A | 2006-05-18 | |||
| US20200401900A1 | 2020-12-24 |
Other References:
AOTO, YUTA; NAKAMURA, MASAMI; MAEDA, SHUNJI: "Proposal of outlier detection method for abnormal diagnosis of railway equipment", PROCEEDINGS OF THE 2020 JSPE SPRING MEETING, JAPAN SOCIETY FOR PRECISION ENGINEERING; MARCH 17-19, 2020, 1 March 2020 (2020-03-01), pages 602 - 603, XP009538972, DOI: 10.11522/pscjspe.2020S.0_602
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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