Method, system and apparatus for monitoring lamp circuits in a cab signal system
AssigneeWabtec Holding Corp.
InventorJeffrey D. Kernwein
Life of this patent
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Abstract
A fault detection system (10) and computer-implemented method for detecting a fault in a cab signal system (100), including: a plurality of sensors (12) in electrical communication with a cab signal display circuit (106), each associated with a respective one of a plurality of lamp circuits (108) and configured to sense or measure: presence or absence of voltage, voltage level, voltage drop, presence or absence of current and/or current level. A monitoring unit (14) is in communication with the plurality of sensors (12) and generates circuit data (16) representative of at least one condition of at least a portion of the cab signal system (100). A computer-implemented method for detecting a cab signal aspect of a train (T) is also disclosed.
Claims21
A fault detection system for detecting a fault in a cab signal system including a cab signal display circuit for supplying power to a plurality of lamp circuits each associated with a respective one of a plurality of lamps in a cab signal aspect display unit on a train, the power delivered from at least one power source controlled by a cab signal control unit, the fault detection system comprising:
- a plurality of sensors in electrical communication with the cab signal display circuit, each associated with a respective one of the plurality of lamp circuits and configured to sense or measure at least one of the following:
- presence or absence of voltage, voltage level, voltage drop, presence or absence of current, current level, or any combination thereof;
- and
- a monitoring unit in communication with the plurality of sensors and configured to generate circuit data representative of at least one condition of at least a portion of the cab signal system.
A computer-implemented method for detecting a fault in a cab signal system including a cab signal display circuit for supplying power to a plurality of lamp circuits each associated with a respective one of a plurality of lamps in a cab signal aspect display unit on a train, the power delivered from at least one power source controlled by a cab signal control unit, the method comprising:
- providing a plurality of sensors in electrical communication with the cab signal display circuit, each associated with a respective one of the plurality of lamp circuits;
- sensing or measuring, by the plurality of sensors, at least one of the following presence or absence of voltage, voltage level, voltage drop, presence or absence of current, current level, or any combination thereof;
- and
- generating circuit data representative of at least one condition of at least a portion of the cab signal system.
A computer-implemented method for detecting a cab signal aspect of a train having a cab signal system with a cab signal display circuit for supplying power to a plurality of lamp circuits each associated with a respective one of a plurality of lamps in a cab signal aspect display unit on the train, the power delivered from at least one power source controlled by a cab signal control unit, the method comprising:
- providing a plurality of sensors in electrical communication with the cab signal display circuit, each associated with a respective one of the plurality of lamp circuits;
- sensing or measuring, by the plurality of sensors, at least one of the following:
- presence or absence of voltage, voltage level, voltage drop, presence or absence of current, current level, or any combination thereof;
- generating circuit data representative of at least one condition of at least a portion of the cab signal system;
- and
- based upon the circuit data, determining the cab signal aspect of the train.
Dependencies are inferred from the claim text.