Title:
PROTECTION MONITORING SYSTEM FOR LONG INFRASTRUCTURE ELEMENT, PROTECTION MONITORING DEVICE, PROTECTION MONITORING METHOD, AND STORAGE MEDIUM FOR STORING PROTECTION MONITORING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/004626
Kind Code:
A1
Abstract:
In order to provide a protection monitoring system that comprises a warning function to which it is not easy to become habituated, and that can call attention at the time when abnormal vibration is sensed even without a cable undergoing failure, the protection monitoring system according to an embodiment of the present invention comprises an optical fiber provided along a long infrastructure element installed in water or on a seabed, an interrogator for acquiring environment information at positions along the long infrastructure element using the optical fiber, an abnormal event detection means for detecting an abnormal event around the positions when the environment information acquired at the positions satisfies an abnormality pattern provided in advance, and a notification means for issuing a notice to a ship positioned in a prescribed range from a position in which the abnormal event is detected.
Inventors:
YANO YUTAKA (JP)
KAWAKAMI HIROSHI (JP)
SAITOH MAKOTO (JP)
KAWAKAMI HIROSHI (JP)
SAITOH MAKOTO (JP)
Application Number:
PCT/JP2021/024278
Publication Date:
January 06, 2022
Filing Date:
June 28, 2021
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G01H3/00; G01H3/10; G08G3/00
Foreign References:
| CN107328465A | 2017-11-07 | |||
| JP2011141668A | 2011-07-21 | |||
| JP2007207135A | 2007-08-16 |
Attorney, Agent or Firm:
TSUKUE Masahiko (JP)
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