Title:
MONITORING DEVICE, MONITORING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/079583
Kind Code:
A1
Abstract:
This monitoring device comprises: an acceleration acquisition unit for acquiring acceleration data of a vehicle traveling along a track; an acceleration effective value acquisition unit for acquiring a plurality of acceleration effective values obtained by applying a bandpass filter for each of a plurality of constant specific bandwidths to the acceleration data; a corrected acceleration calculation unit for calculating a corrected acceleration on the basis of each of the acceleration effective values of the respective constant specific bandwidths and predetermined correction coefficients corresponding to the respective constant specific bandwidths; and an abnormality detection unit for detecting an abnormality of the vehicle or of the track on the basis of the magnitude of the corrected acceleration.
Inventors:
KAWAUCHI AKIHISA (JP)
KONO HIROYUKI (JP)
UCHIDA KOJI (JP)
HOSHI MITSUAKI (JP)
KONO HIROYUKI (JP)
UCHIDA KOJI (JP)
HOSHI MITSUAKI (JP)
Application Number:
PCT/JP2020/028879
Publication Date:
April 29, 2021
Filing Date:
July 28, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENG LTD (JP)
International Classes:
B61K13/00; B60L3/00; B61L25/04; G01H17/00
Foreign References:
| JP2006131136A | 2006-05-25 | |||
| JPH06258176A | 1994-09-16 | |||
| JP2008046072A | 2008-02-28 | |||
| JP2017088024A | 2017-05-25 | |||
| JP2018136270A | 2018-08-30 | |||
| JP2006160153A | 2006-06-22 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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