Title:
FAULT DETECTION DEVICE, FAULT DETECTION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2014/087965
Kind Code:
A1
Abstract:
A fault detection device (100) is provided with: a measurement data acquisition unit (121) for acquiring measurement data regarding a current flowing through a power supply line connected to a plurality of electrical devices; a clustering unit (122) for classifying the measurement data over a predetermined period in the past into a plurality of clusters on the basis of the phase of the AC cycle and/or the frequency; a pattern analysis unit (123) for analyzing, for each cluster, the appearance pattern of measurement data satisfying a predetermined standard; and a fault determining unit (124) for determining that a fault has occurred when measurement data differing from the analyzed appearance pattern is acquired.
Inventors:
KATSUKURA MAKOTO (JP)
NAKATA MASANORI (JP)
NAKATA MASANORI (JP)
Application Number:
PCT/JP2013/082340
Publication Date:
June 12, 2014
Filing Date:
December 02, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G08B25/04; G01R21/00; G08B21/04
Foreign References:
| JP2003009430A | 2003-01-10 | |||
| JP2001330630A | 2001-11-30 | |||
| JP2011076253A | 2011-04-14 | |||
| JP2001357477A | 2001-12-26 |
Attorney, Agent or Firm:
KIMURA MITSURU (JP)
Mitsuru Kimura (JP)
Mitsuru Kimura (JP)
Download PDF: