B61L3/00

VEHICLE CONTROL SYSTEM

A system and method can include determining a location of a locating device disposed onboard a vehicle system, identify a size of the vehicle system, calculate a duration that the vehicle system has been blocking or will be blocking an intersection between at least two intersecting routes based at least in part on the location of the locating device and on the size of the multi-vehicle system, and implement one or more responsive actions to clear the intersection responsive to the calculation of the duration. Optionally, the system and method can predict or forecast whether a vehicle system approaching or moving through the intersection will come to a stop in a locking that blocks the intersection, and implement one or more responsive actions.

Train control with centralized and edge processing handovers

A train control system uses machine learning for implementing handovers between centralized and distributed train control models. A machine learning engine receives training data from a data acquisition hub, receives a centralized train control model from a centralized virtual system modeling engine, and receives an edge-based train control model from an edge-based virtual system modeling engine. The machine learning engine trains a learning system using the training data to enable the machine learning engine to predict when a locomotive of the train will enter a geo-fence where communication between the edge-based computer processing system and the centralized computer processing system will be inhibited.

Vehicle motion sensing system

A device for attachment to a train having a lead locomotive or control car and a rear car in a track network having a plurality of tracks is disclosed. The device may include at least one sensor. The sensor(s) may be disposed with the rear car. The sensor(s) may be configured to generate sensor data associated with at least one of a heading of the rear car of the train or a distance between the rear car of the train and an object in the track network. A communication interface may be configured to transmit the sensor data to at least one receiver. The receiver(s) may provide at least one indication based on the sensor data. A device for use onboard the train, a control system, a method for operating the device(s), and a method for coupling the train to a separate car are also disclosed.

Exclusive track resource sharing system

A system for exclusive track resource sharing is provided. Some embodiments provide an exclusive track resource sharing system including onboard control units and a resource manager. Onboard control unit is provided in each of trains and is configured to communicate with another onboard control unit in another train. The resource manager is configured to record ownership status information of track resources of the plurality of trains, to provide the ownership status information of the track resources to the onboard control unit, and to generate and deliver a resource entitlement or resource authority to the onboard control unit. The resource authority is configured to be owned by a single onboard control unit. The onboard control unit possessing the resource authority is configured to seize or release the track resources corresponding to the resource authority and to control the track resources corresponding to the resource authority.

METHOD AND DEVICE FOR OPTIMIZING TARGET OPERATION SPEED CURVE IN ATO OF TRAIN
20220144324 · 2022-05-12 ·

Embodiments of the present application provide a method and a device for optimizing a target operation speed curve in an ATO of a train. The method includes: calculating a plurality of performance indexes of the train driving in a current section of a line, and constructing an objective function for optimizing the target operation speed curve of the train according to the plurality of performance indexes; determining constraint conditions of the objective function according to speed limit information of the line and running time of the train in the current section; and solving the objective function according to the constraint conditions based on a differential evolution algorithm to obtain the target operation speed curve of the train. The objective function for optimizing the target operation speed curve of the train are constructed using the plurality of performance indexes, which makes the optimization of the train speed curve more accurate.

METHODS AND SYSTEMS FOR DECENTRALIZED RAIL SIGNALING AND POSITIVE TRAIN CONTROL

Systems and methods are provided for decentralized rail signaling and positive train control. A decentralized train control system may include a plurality of wayside units, configured for placement on or near tracks in a railway network, and one or more train-mounted units, each configured for use in a train operating in a railway network that support use of the decentralized train control system. Each train-mounted unit may configured to receive communicate with any wayside unit and/or train-mounted unit that comes within range, with the communicating including use of ultra-wideband (UWB) signals, and for generating control information based on the UWB signals, for use in controlling one or more functions associated with operation of the train.

AIR SUPPLY SYSTEM AND METHOD FOR CONTROLLING AND/OR MONITORING AN AIR SUPPLY SYSTEM
20220135092 · 2022-05-05 ·

An air supply system for a rail vehicle that includes electrical consumers, such as a compressor, an air dryer, a valve or the like, and a converter coupled to a power supply of the rail vehicle, wherein the air supply system adjusts the voltage provided by the power supply to an operating voltage of at least one electrical consumer, wherein the converter is associated with at least two of the plurality of electrical consumers in such a way that the converter can control, particularly in a closed-loop manner, and/or monitor the operation of the at least two of the plurality of electronic consumers.

Systems and methods for controlling movement speed of a locomotive
11318968 · 2022-05-03 · ·

An automated speed control system for a locomotive having a tractive effort mechanism for moving the locomotive along a track and a braking mechanism for reducing the locomotive's speed along the track. The system including a locomotive controller that includes a memory to store computer-executable instructions, and a processor in communication with the memory to execute the instructions to retrieve one or more track grade maps each indicative of a grade of at least a portion of the track along which the locomotive is travelling, retrieve train makeup, obtain a maximum distance to a specified stopping point of the locomotive along the track, and dynamically calculate a speed limit for movement of the locomotive along the track, according to the retrieved track grade map, retrieved train makeup data, and obtained maximum distance to the specified stopping point.

METHOD AND SYSTEM FOR TRANSMITTING ENFORCEABLE INSTRUCTIONS IN VEHICLE CONTROL SYSTEMS
20230249728 · 2023-08-10 ·

A method and a system for transmitting an enforceable instruction in a vehicle control system may include receiving a checksum contained in at least one enforceable instruction. Methods for checksum challenge mitigation in a vehicle control system and verifying enforceable instruction data on-board a vehicle are disclosed.

VEHICLE

A vehicle, in particular to a rail vehicle, has at least one drive motor and a brake control device. A monitoring device measures, in the braking mode of the vehicle, at least one drive current which flows through the drive motor, and at least one drive voltage which is applied to the drive motor, to form measured values, and to generate operational information which specifies the mode of operation of the drive motor, in particular braking information which specifies a braking effect of the drive motor, on the basis of the measured values.