Title:
METHOD FOR MEASURING NOISE OF MAGNETIC CONTACTOR, AND APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/210778
Kind Code:
A1
Abstract:
A method for inspecting whether a magnetic contactor is defective, according to one embodiment of the present invention, may comprise the steps of: collecting noise data of the magnetic contactor as raw data; acquiring spectrum data by spectral-converting the raw data, or acquiring cepstrum data by cepstral-converting the raw data; using the spectrum data or the cepstrum data to generate a standard model for inspecting whether a contact model is defective; and using the standard model to determine whether the magnetic contactor is defective. In addition, other embodiments are also possible.
Inventors:
RYU JINGEOL (KR)
LEE SEUNGHO (KR)
ROH HEETAE (KR)
LEE SEUNGHO (KR)
ROH HEETAE (KR)
Application Number:
PCT/KR2021/002648
Publication Date:
October 21, 2021
Filing Date:
March 04, 2021
Export Citation:
Assignee:
LS ELECTRIC CO LTD (KR)
International Classes:
G01H17/00; G01M99/00; G06N20/00
Foreign References:
| JP2019096289A | 2019-06-20 | |||
| KR20110089528A | 2011-08-09 | |||
| JP2013192567A | 2013-09-30 | |||
| KR20190142600A | 2019-12-27 | |||
| KR20170023632A | 2017-03-06 |
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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