A monitoring system for a wayside signaling device includes a light emitting diode (LED) circuit with an LED array, a LED driver unit for driving the LED array, and a mechanism for connecting and disconnecting the LED circuit, and an optical light sensing circuit with a light-controlled variable resistor operably coupled to a resistor driver unit including relay functionality. The LED circuit and the sensing circuit are arranged such that the light-controlled variable resistor monitors an output of the LED array, and that the relay functionality triggers the mechanism to connect or disconnect the LED circuit based on the output of the LED array.

A signal detection system for use with a signaling system is disclosed, the signal detection system comprising a plurality of electrical terminals including a source terminal and an output terminal, the output terminal being connected to a signaling device. An auxiliary terminal electrically coupled to at least one of the plurality of electrical terminals is provided. A current sensor is coupled to the auxiliary terminal for detecting an electrical signal for controlling the signaling device. The current sensor generating an output signal in response to the detection of the electrical signal for controlling the signaling device for monitoring the status of the signaling device. Also disclosed is a method for installing a signal detection system in a wayside signaling system including a signaling device for monitoring a status of the signaling device. An apparatus for connecting a current sensor to a signaling device is also disclosed.

Examples of the disclosure enable a signal device to be securely coupled to a post. A post-mount teeter includes a stand including a first body, a first flange extending from the first body, and a platform coupled to the first body, and a base including a second body coupled to the first body, a housing coupled to the second body, a second flange extending from the housing, and a sleeve selectively moveable within a cavity defined by the housing to adjust a distance between the sleeve and the housing. Aspects of the disclosure provide for a teeter system that may be used to present signals to one or more users approaching a signal device from one or more directions.

A method for revealing a light signal error, in particular for railway safety systems, and a device for carrying out the method includes an electronic signal generator, which can be disconnected in a reversible manner in the event of an error, and a control part which is designed for incandescent lamps for controlling and monitoring the signal generator. In order to be able to evaluate the operation of said type of control part with an incandescent lamp interface also when the signal is flashing, it is provided that when the signal generator is activated in the flashing mode, in which no signal voltage is supplied during the flashing intervals, a timer which is connected to a voltage source measures the duration of the pauses between the flashes, and in the event of an error, maintains the disconnection for at least one flashing cycle and signals to the control part.

The invention relates to a autonomous sensing system for train, comprising: an on-board subsystem used for recognizing an obstacle in a rail operation region; a trackside subsystem used for making up limitations in detection distance of sensors of the on-board subsystem and enhancing detection in key regions out of sight; a handheld mobile terminal subsystem carried and operated by a train attendant and used for checking, displaying and confirmation; a center server subsystem used for acquiring operating states and warning information of other subsystems and performing combinational logic processing based on global state data; and a dispatch terminal subsystem communicating with the center server subsystem and used for acquiring and displaying operating states of lineside subsystems and devices, displaying the position of a train and the installation position of the trackside subsystem, checking alarm information of the subsystems and managing the devices of the subsystems. Compared with the prior art, the autonomous sensing system for train allows trains to find obstacles actively and takes measures according to the condition of the obstacles.

The invention relates to a autonomous sensing system for train, comprising: an on-board subsystem used for recognizing an obstacle in a rail operation region; a trackside subsystem used for making up limitations in detection distance of sensors of the on-board subsystem and enhancing detection in key regions out of sight; a handheld mobile terminal subsystem carried and operated by a train attendant and used for checking, displaying and confirmation; a center server subsystem used for acquiring operating states and warning information of other subsystems and performing combinational logic processing based on global state data; and a dispatch terminal subsystem communicating with the center server subsystem and used for acquiring and displaying operating states of lineside subsystems and devices, displaying the position of a train and the installation position of the trackside subsystem, checking alarm information of the subsystems and managing the devices of the subsystems. Compared with the prior art, the autonomous sensing system for train allows trains to find obstacles actively and takes measures according to the condition of the obstacles.

The derail warning system may include a solar-powered LED indicator for derail or switch. The derail warning system may also include an orientation sensor that automatically turns on depending on the orientation of the derail (up or down), derail metal flag, or switch indicator flag. The derail warning system may bring more visibility with a 360-degree LED that is solar powered and may detect orientation and turn on based on the position of the derail, switch, or flag. The derail warning system may use a unique acceleration sensor or g-sensor that can detect orientation movement and automatically turn on or off and be fully charged to operate day or night. The derail warning system may also include a data-logging microprocessor to determine a time stamp of position and location.

A system for visual inspection of signal lights at a railroad crossing includes a data source comprising a stream of images, the stream of images including images of signal lights at a railroad crossing, an inspection module configured via computer executable instructions to receive the stream of images, detect signal lights and light instances in the stream of images, encode global information relevant to ambient luminosity and return a first feature vector, encode patch information of luminosity of detected signal lights and return a second feature vector, concatenate the first feature vector with the second feature vector and return a concatenated feature vector, and decode the concatenated feature vector and provide status of the signal lights.

A system for visual inspection of signal lights at a railroad crossing includes a data source comprising a stream of images, the stream of images including images of signal lights at a railroad crossing, an inspection module configured via computer executable instructions to receive the stream of images, detect signal lights and light instances in the stream of images, encode global information relevant to ambient luminosity and return a first feature vector, encode patch information of luminosity of detected signal lights and return a second feature vector, concatenate the first feature vector with the second feature vector and return a concatenated feature vector, and decode the concatenated feature vector and provide status of the signal lights.

A smart lamp system and method for monitoring a status of LEDs. The system can provide LED status monitoring using a logic controller communicating with at least one strip of LEDs. The system can utilize the logic controller to assign a unique identifier (ID) to the at least one strip of LEDs based on a physical position of a plurality of dual-inline package (DIP) switches incorporated within a smart lamp housing. The system can provide a hardware architecture to interface the logic controller with a power-line communication (PLC) transceiver. The system can establish a communication protocol between the PLC transceiver and a PLC receiver to efficiently communicate the statuses of the LEDs. The logic controller can generate a payload including a binary representation of the unique ID of the smart lamp and the statuses of the LEDs and transmit the payload to the PLC transceiver.