A positioning and odometry system includes two or more vehicle beacons installed on an end of a vehicle and configured to communicate with one or more guideway beacons installed along a guideway. Processing circuitry is configured to communicate with the one or more vehicle beacons and perform at least one of: determine, before the processing circuitry enters a sleep state, a first vehicle position on the guideway; determine, after the processing circuitry wakes from the sleep state, a second vehicle position on the guideway; determine, after the processing circuitry wakes from the sleep state, any difference between the first vehicle position on the guideway and the second vehicle position on the guideway; determine a third vehicle position on the guideway using range measurements taken at configurable time intervals; and determine a vehicle speed where speed is measured as a change in the third vehicle position over time.

Systems and methods are provided for generating a safety notification to a first train with respect to a speed of a second train along a track, the system including a camera transceiver, comprising a light emitter configured to emit a narrow bandwidth light, an image sensor, one or more light reflectors and a lens subsystem; and a processor configured to perform the steps of: determining a train speed and a train position; receiving images from the camera transceiver; processing the images to calculate a speed and a position of a potential obstacle on the track; responsively to calculating the potential obstacle speed and position, determining a safe speed of the train and providing a control signal to control the first train.

Systems and methods are provided for generating a safety notification to a first train with respect to a speed of a second train along a track, the system including a camera transceiver, comprising a light emitter configured to emit a narrow bandwidth light, an image sensor, one or more light reflectors and a lens subsystem; and a processor configured to perform the steps of: determining a train speed and a train position; receiving images from the camera transceiver; processing the images to calculate a speed and a position of a potential obstacle on the track; responsively to calculating the potential obstacle speed and position, determining a safe speed of the train and providing a control signal to control the first train.

The invention relates a device (10) for data and/or signal transmission between two adjacent units of a multi-membered, track-guided vehicle combination, wherein the device (10) comprises at least one emitter (11) for emitting electromagnetic radiation as needed. According to the invention, the at least one emitter (11) is integrated into a lamp module (1) which is designed to be installed in a front region of a vehicle (A, B) of the multi-membered vehicle combination.

The invention relates a device (10) for data and/or signal transmission between two adjacent units of a multi-membered, track-guided vehicle combination, wherein the device (10) comprises at least one emitter (11) for emitting electromagnetic radiation as needed. According to the invention, the at least one emitter (11) is integrated into a lamp module (1) which is designed to be installed in a front region of a vehicle (A, B) of the multi-membered vehicle combination.

An end of train device suitable of use on a railroad vehicle includes an enclosure, and a plurality of electronic components including one or more displays positioned inside the enclosure, the one or more displays displaying information provided by the end of train device, wherein the enclosure comprises a top portion and a bottom portion, and wherein the top portion comprises a transparent dome, the information displayed by the one or more displays being visible from an outside of the enclosure through the transparent dome of the top portion.

An end of train device suitable of use on a railroad vehicle includes an enclosure, and a plurality of electronic components including one or more displays positioned inside the enclosure, the one or more displays displaying information provided by the end of train device, wherein the enclosure comprises a top portion and a bottom portion, and wherein the top portion comprises a transparent dome, the information displayed by the one or more displays being visible from an outside of the enclosure through the transparent dome of the top portion.

A light apparatus for use with a power source and a control switch, the control switch including an input node, an output node and at least first and second independently selectable current paths between the input and output nodes, the first selectable current path having a resistance value that is greater than the second current path, controlling light intensity as a function of which of the current path is selected, at least one light source, a controller linked to the control switch and determining the selected path and generating a control signal and a light driver linked between the output node and the light source, the driver receiving the control signal and adjusting the current applied to the light source as a function of the control signal.

A light apparatus for use with a power source and a control switch, the control switch including an input node, an output node and at least first and second independently selectable current paths between the input and output nodes, the first selectable current path having a resistance value that is greater than the second current path, controlling light intensity as a function of which of the current path is selected, at least one light source, a controller linked to the control switch and determining the selected path and generating a control signal and a light driver linked between the output node and the light source, the driver receiving the control signal and adjusting the current applied to the light source as a function of the control signal.

A train positioning method based on a dynamic map includes: performing train positioning initialization based on a positioning source, and obtaining key point information for creating the dynamic map; generating key point coordinates according to the key point information, and creating the dynamic map; updating a train position on the dynamic map according to train displacement and beacon information; updating the dynamic map, and updating the train position based on the updated dynamic map; and, converting an updated train position in the updated dynamic map into a standard track map, to achieve train positioning. A plurality of initialized positioning sources are used to obtain initialization positioning information of train key points, and creation of a dynamic map is completed.