B61L27/70

RAILROAD CAR LOCATION, SPEED, AND HEADING DETECTION SYSTEM AND METHODS WITH SELF-POWERED WIRELESS SENSOR NODES
20170313331 · 2017-11-02 ·

A railroad car location, speed and heading sensor system including at least one self-powered, tie-mounted sensor node that is applicable universally to different railroad settings without using track circuits, inductive loops, radar systems, and wheel counters and associated disadvantages. Reliable and relatively low cost deterministic and redundant car presence detection is realized when multiple sensor nodes are arranged in a network, which may be a wireless mesh network, that is not affected by environmental conditions.

WIRELESS COMMUNICATION SYSTEM, BASE STATION AND WIRELESS COMMUNICATION METHOD
20220060245 · 2022-02-24 ·

The wireless communication system comprises: a plurality of ground radio sets installed along a railway that carry out the transmission/reception of a radar signal with a first frequency and the transmission/reception of a communication signal with a second frequency; a vehicle radio set on a train that carries out the transmission/reception of a communication signal with the second frequency; and a switching control device that controls the switching of ground radio sets that are to communicate with the vehicle radio set based on the reception level of the radar signal. Furthermore, the configuration allows the ground radio sets that are not communicating with the vehicle radio set to transmit a radar signal, and allows the ground radio set that has started communicating with the vehicle radio set to transmit a radar signal and a communication signal.

SELF ORGANIZING CYBER RAIL-COP
20220055671 · 2022-02-24 ·

A cyber security system for providing security to a railway system, the system comprising: a data monitoring and processing hub; a network of data collection agents configured to monitor communications transmitted between railway infrastructure and/or rolling stock entities and mirror the communications to the hub; wherein the processing hub comprises computer executable instructions executable to: process the mirrored communications to determine normative patterns of communications between the entities; use the normative patterns to determine sequences of related communications; determine characteristic features of the determined communications sequences; and use the determined characteristic features to determine whether a given communication mirrored to the hub by a data collection agent of the network of data collection agents is anomalous.

METHOD AND DEVICE FOR COOPERATIVE CONTROL OF MULTIPLE TRAINS

Embodiments of the present disclosure provide a method and a device for cooperative control of multiple trains. The method includes: S1, establishing a train dynamic model of urban rail transit; S2, modeling a train control system of urban rail transit based on train-to-train communication; S3, constructing, according to the dynamic model and a control system model, an optimized control target which comprehensively considers distance convergence and speed convergence of train formation; and S4, cooperatively controlling, on the basis of an artificial potential field method and Kalman filtering and according to the optimized control target, the multiple trains. The present disclosure is capable of effectively shortening a train headway.

EVENT RECORDER WITH CONFIGURABLE ALARM/EVENT MONITORING

A event recorder system carried on-board a locomotive may include a controller configured to receive data from one or more of a train management system, a cab signaling system, an energy management system, an exhaust aftertreatment monitoring system, a braking system, a communications management system, and an operator fatigue or distraction monitoring system. The data may include one or more of video data, audio data, sensor output data, GPS map data, scanned image data of an operator in a cab of the locomotive, and operational data associated with operation of the locomotive during a trip. The controller may be configured to synchronize the data based on a common attribute associated with all of the data received by the controller, receive from a user one or more customizable parameters predetermined to be indicative of one or more of a system-related characteristic or behavior associated with any one or more of the systems from which the controller receives data, and generate a system notification based on an indication of one or more of a system-related characteristic or behavior that one of falls outside of a predetermined range of system-determinable parameters, or indicates a trend in one or more system-determinable parameters that deviates from an expected trend in the one or more system-determinable parameters.

Train control apparatus

A train control apparatus includes: a first ground device 22a provided in a first section CZ1; and a second ground device 22b provided in a second section CZ2 continuing from the first section CZ1 in a train travel direction. When a train 10 in the first section CZ1 enters a control transition section ZCR determined using a control section border CZI as a termination end, the first ground device 22a instructs a first vehicle radio set 14r to send a first report signal RR1 to the first ground device 22a in accordance with a first communication condition determined by the first ground device 22a, and instructs a second vehicle radio set 14f to send a second report signal RF2 to the second ground device 22b in accordance with a second communication condition determined by the second ground device 22b. In response to the reception of the second report signal RF2 from the second vehicle radio set 14f, the second ground device 22b instructs the second vehicle radio set 14f to send a report signal including train location information to the second ground device 22b in accordance with the second communication condition.

Train information announcement system
09821826 · 2017-11-21 · ·

A train information announcement system of the present invention includes vehicle radio sets VRS1 and VRS2 which performs wireless communication, and is installed on a train 1 which moves on a railroad track R, wayside radio sets WRS1 to WRS5 arranged along the railroad track R, and an information providing means which provides train information announcements at a station at predetermined timing based on information about a train location obtained by the wireless communication between the vehicle radio sets VRS1 and VRS2 and the wayside radio sets WRS1 to WRS5.

METHOD FOR CONTROLLING A LAND TRANSPORT VEHICLE, LAND TRANSPORT VEHICLE, GROUND EQUIPMENT AND TRANSPORT SYSTEM

A ground equipment for a transport system includes a track for a land transport vehicle; an external power supply device including a plurality of power supply segments arranged sequentially along the track, the plurality of power supply segments forming an external power supply zone, at least one end segment being situated in vicinity to one end of the external power supply zone adjacent to a zone with no external power supply, to be traveled with an onboard power supply device, a communication antenna being associated with the or each external power supply segments; and a controller adapted to power on the end segment and adapted to send, using an antenna associated with that end segment, a signal indicating the end of a zone with an external power supply in response to a presence signal of the land transport vehicle received by said antenna.

WORKER PROTECTION SYSTEM

Systems and methods are provided for worker protection. The worker protection systems comprise a plurality of alert devices, comprising one or more wearable personal alert devices, each worn by a person (e.g., worker), and one or more companion alert devices that broadcast alerts or signals triggering alerts. The companion alert devices comprise vehicle-mounted alert devices, configured for operation on vehicles (e.g., trains), and wayside detection units, configured for placement on or near paths of the vehicles. The wayside detection units may be operable to autonomously detect and track the vehicles.

RADIOCOMMUNICATION INFRASTRUCTURE FOR A RAILWAY SIGNALLING SYSTEM OF THE CBTC TYPE
20170279636 · 2017-09-28 ·

This infrastructure includes a network MPLS; first and second groups of access points associated with each section of the track; first and second modems, on the train, communicating with access points of the first and second groups. The network includes pairs of local switches, each associated with a section of the track and including first and second local switches for communication with, respectively, the first and second groups of access points of the associated section, and first and second central switches, the switches being in series with one another and implementing a service for defining paths between each central switch and each local switch so the path between the first central switch and the first local switch of a pair and the path between the second central switch and the second local switch of this pair correspond to separate portions of the ring formed by the network.