Title:
RAILWAY EQUIPMENT MONITORING DEVICE AND RAILWAY EQUIPMENT MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/044345
Kind Code:
A1
Abstract:
Provided are a railway equipment monitoring device and railway equipment monitoring system capable of suppressing influence from changes in external environmental conditions and displaying the state of a pantograph so as to be easy for observer monitoring personnel to see. This railway equipment monitoring device 1 comprises: a stereo camera 11 that comprises two cameras (11a, 11b) and is for capturing images of a pantograph 9 that is a subject, a camera rotation and holding unit 12 for rotatably holding the stereo camera 11, and a control and calculation unit 10 for making the stereo camera 11 shift to each prescribed rotation angle, generating a distance image of the pantograph 9 from the captured images obtained at each rotation angle, and determining the angle by which the camera rotation and holding unit 12 is to rotate the stereo camera 11 on the basis of the distance image of the pantograph.
Inventors:
OKU TOMOYUKI (JP)
MIYOSHI MASANORI (JP)
MIYOSHI MASANORI (JP)
Application Number:
PCT/JP2018/028894
Publication Date:
March 07, 2019
Filing Date:
August 01, 2018
Export Citation:
Assignee:
HITACHI INT ELECTRIC INC (JP)
International Classes:
G01B11/00; B60L5/26; B61L25/02; G01B11/245; G01C3/06
Foreign References:
| JP2009002761A | 2009-01-08 | |||
| JP2006214735A | 2006-08-17 | |||
| JP2002139305A | 2002-05-17 | |||
| JPH04184113A | 1992-07-01 | |||
| JP2003200377A | 2003-07-15 |
Other References:
CAPECE,PAOLO ET AL.: "PANTOBOT-3D: an Automatic Vision-based Inspection System for locomotive pantographs", 7TH IET CONFERENCE ON RAILWAY CONDITION, IET, 27 September 2016 (2016-09-27), XP055581516
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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