A wayside monitoring method includes monitoring a transmitted current that is injected into conductive components of a route traveled by vehicle systems, monitoring a received current that represents a portion of the transmitted current that is conducted through the conductive components of the route, examining changes in the transmitted and/or received current over time to determine when the vehicle systems are on the route between a first location where the transmitted current is injected into the conductive components and a second location where the received current is monitored, and examining the changes in the transmitted and/or received currents to identify (a) a contaminated portion of a surface on which the route is disposed, (b) a foreign object other than the vehicle systems that is contacting the route, or (c) a damaged or broken portion of at least one of the conductive components of the route. Apply transmitted current to a route Monitorthe trarmitted current for changes Monitor received current in the route for changes Does the transmitted current increase then decrease and the received Identify presence of vehicle system current decrease then increase within relatively shorttime period? -\I Does the transmitted current increase and the received current decrease for d Identify foreign object on the route an extended timepeiod wth intermittentcorrelated changes inthe transmitted and received currents? Do the transmitted current and the rcvcrnbheeIdentify damage or break in the route -- - --- -- --- - Does the transmitted current r demonstrate an increasing trend and tle current '~ F---r---- rrax4L atera he receiving cu d sta ni contaminated ballast material decreasing trend over an extended period of time? Take remedial action


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    Titel :

    Wayside monitoring system and method



    Erscheinungsdatum :

    2020-01-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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