Roll detector, train control system

Abstract

A roll detector mounted on a train includes: a sensor that detects a movement of the train while the train is not in operation with an on-board controller being inactive, the on-board controller controlling an action of the train; and a roll sensor that determines whether or not the train has rolled on the basis of a result of the detection by the sensor, and performs train protection when determining that the train has rolled.

1 . A roll detector mounted on a train, the roll detector comprising:
 a sensor to detect a movement of the train while the train is not in operation with an on-board controller being inactive, the on-board controller controlling an action of the train; and   a roll sensor to determine whether or not the train has rolled on the basis of a result of the detection by the sensor, and perform train protection when determining that the has rolled.   
     
     
         2 . The roll detector according to  claim 1 , wherein
 the roll sensor determines that the has rolled when the result of the detection by the sensor indicates the movement of the train.   
     
     
         3 . The roll detector according to  claim 1 , comprising
 a wireless communicator, wherein   as the train protection, the roll sensor causes the wireless communicator to broadcast a notification indicating that the train has rolled.   
     
     
         4 . The roll detector according to  claim 3 , wherein
 when the roll sensor receives an instruction to stop the train via the wireless communicator from a hub that receives the notification, the roll sensor starts-up the on-board controller and instructs the on-board controller to stop the train.   
     
     
         5 . The roll detector according to  claim 2 , comprising
 a wireless communicator, wherein   as the train protection, the roll sensor transmits locational information of the train from the wireless communicator to a hub and, when receiving a notification from the hub that receives the locational information via the wireless communicator, starts-up the on-board controller to instruct the on-board controller to stop the train, the notification indicating that the locational information of the train transmitted is different from locational information of the train at the time the train is not in operation.   
     
     
         6 . The roll detector according to  claim 3 , wherein
 the wireless communicator performs specified low-power radio communication.   
     
     
         7 . The roll detector according to  claim 1 , wherein
 as the train protection, the roll sensor starts-up the on-board controller and instructs the on-board controller to stop the train.   
     
     
         8 . The roll detector according to  claim 1 , wherein
 the roll detector includes a plurality of the sensors, and   the roll sensor determines whether or not the train has rolled on the basis of results of detection by the plurality of the sensors.   
     
     
         9 . The roll detector according to  claim 1 , wherein
 the roll detector includes a plurality of the sensors, and   the roll sensor activates one or more sensors among the plurality of the sensors and, when acquiring a result of detection indicating a movement of the train from the one or more sensors, activates a sensor that is not activated among the plurality of the sensors to determine whether or not the train has rolled on the basis of a result of detection by the sensor activated.   
     
     
         10 . The roll detector according to  claim 1 , wherein
 the roll detector is driven by a battery.   
     
     
         11 . A train control system comprising:
 a roll detector to determine whether or not a train has rolled on the basis of a result of detection by a sensor while the train is not in operation with an on-board controller being inactive, and perform train protection when determining that the train has rolled, the sensor detecting a movement of the train, and the on-board controller controlling an action of the train; and   a hub to control the operation of the train, wherein   as the train protection, the roll detector broadcasts a notification indicating that the has rolled,   the hub instructs the roll detector to stop the train when receiving the notification, and   the roll detector starts-up the on-board controller and instructs the on-board controller to stop the train, when receiving the instruction to stop the train from the hub.   
     
     
         12 . The train control system according to  claim 11 , wherein
 when receiving the notification, the hub transmits a control command to another train whose operation is controlled by the hub, the control command instructing the other train to stop.   
     
     
         13 . The train control system according to  claim 11 , wherein
 the roll detector transmits the notification to another train whose operation is controlled by the hub.   
     
     
         14 . A train control system comprising:
 a roll detector to determine whether or not a train has rolled on the basis of a result of detection by a sensor while the train is not in operation with an on-board controller being inactive, and perform train protection when determining that the train has rolled, the sensor detecting a movement of the train, and the on-board controller controlling an action of the train; and   a hub to control the operation of the train, wherein   as the train protection, the roll detector starts-up the on-board controller to instruct the on-board controller to stop the train, and broadcasts a notification indicating that the train has rolled.   
     
     
         15 - 21 . (canceled)