The present invention relates to a DAS-based railway safety monitoring system capable of monitoring the operation status of a railway and the safety status of the railway through DAS, i.e., distributed acoustic sensing. The DAS-based railway safety monitoring system of the present invention comprises: a signal generation unit provided in a train and transmitting an acoustic signal containing a natural frequency, period, pattern, or combination thereof for each train; a distributed acoustic-optic sensor installed adjacent to a railway to transmit a backscattered optical signal in response to the acoustic signal of the natural frequency transmitted from the signal generation unit; a signal relay unit for receiving an optical signal from the distributed acoustic-optic sensor and transmitting acoustic information included in the acoustic signal; and a railway monitoring unit for monitoring the status of the railway, train, or combination thereof by analyzing the acoustic signal relayed through the signal relay unit.

    본 발명은 다스 즉 분산음향감지를 통해 철도의 운행 상태 및 철로의 안전 상태를 모니터링할 수 있는 다스 기반 철도안전 모니터링 시스템에 관한 것이다. 본 발명의 다스기반 철도안전 모니터링 시스템은 열차에 구비되어 각 열차마다 고유한 주파수, 주기, 패턴 또는 이들의 조합을 포함하는 음향신호를 송출하는 신호발생유닛, 상기 신호발생유닛에서 송출된 고유 주파수의 음향신호에 반응하여 후방산란된 광신호를 전달하도록 상기 철로에 인접하여 설치된 분산음향광센서, 상기 분산음향광센서로부터 광신호를 수신하며 상기 음향신호에 포함된 음향정보를 전달하는 신호중계유닛 및 상기 신호중계유닛을 통해 중계된 음향신호를 분석하여 철로, 열차 또는 이들의 조합에 대한 상태를 감시하는 철도모니터링유닛을 구비한다.


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    Titel :

    Railway safety monitoring system based on DAS


    Weitere Titelangaben:

    다스 기반 철도안전 모니터링 시스템


    Beteiligte:
    KI SONG DO (Autor:in) / KIM YOUNG SIN (Autor:in) / CHOI JI WON (Autor:in) / KWON JUN HYUK (Autor:in)

    Erscheinungsdatum :

    21.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen



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