A laid state identifying system (1) according to the present disclosure includes: an optical fiber (10) laid in a road (30) and configured to detect vibration generated by traveling of a vehicle (40) on the road (30); a vibration information acquiring unit (21) configured to receive an optical signal from the optical fiber (10) and acquire, from the optical signal, vibration information indicating the vibration; a history information acquiring unit (22) configured to acquire history information indicating a travel history of the vehicle (40); and a laid state identifying unit (23) configured to identify a laid state of the optical fiber (10) based on a change over time in the history information and a change over time in the vibration information.
LAID STATE IDENTIFYING SYSTEM, LAID STATE IDENTIFYING APPARATUS, AND LAID STATE IDENTIFYING METHOD
2024-07-04
Patent
Electronic Resource
English
IPC: | G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
European Patent Office | 2021
|NOTES - Hawser-laid, cable-laid
Online Contents | 2005
|CRANE STATE IDENTIFYING SYSTEM, CRANE STATE IDENTIFYING DEVICE AND PROGRAM THEREFOR
European Patent Office | 2023
|Online Contents | 1996