B61L2201/00

RUNNING PATTERN CREATION DEVICE AND DRIVING CONTROL METHOD THAT USES RUNNING PATTERN CREATION DEVICE

A running pattern creation device includes: a coordinate system that is formed of a positional coordinate axis and a vehicle velocity axis; a stopping avoidance zone position holding unit 1 configured to hold positional information on a stopping avoidance zone of a vehicle 8; a vehicle condition holding unit 2 configured to hold at least information on respective accelerations at an acceleration time, a deceleration time and a coasting time with respect to specification of the vehicle 8; a braking pattern creation unit 3 configured to create a braking pattern that is a pattern for stopping the vehicle 8 at a position other than the stopping avoidance zone using the positional information and information on acceleration at the deceleration time; a coasting pattern creation unit 4 configured to create a coasting pattern that is a pattern for stopping the vehicle 8 at a position other than the stopping avoidance zone using the positional information and the information on acceleration at the coasting time; an object region decision unit 5 configured to decide an object region 5 that is a region surrounded by the positional coordinate, the braking pattern and the coasting pattern; and a scheduled running pattern creation unit 6 configured to create a scheduled running pattern that is a running pattern avoiding the object region 5 and can be expressed by the coordinate system.

TRAIN CONTROL SYSTEM
20230051537 · 2023-02-16 ·

A train control system includes: a sensor unit; a linear feature configured such that sensor information acquired by the sensor unit includes characteristic information and installed on a track where a train travels; a feature recognition unit calculating a difference value between first sensor information and second sensor information by comparison between the first sensor information acquired during forward monitoring by the sensor unit and the second sensor information acquired by the sensor unit when the linear feature is not shielded and recognizing a presence or absence of shielding of the linear feature based on the difference value; an intrusion determination unit determining a presence or absence of an intrusion into the track based on the presence or absence of the shielding and generating an intrusion determination result; and a train control unit controlling the train by generating a train control instruction based on the intrusion determination.

Method for CBTC system migration using autonomy platform
11713065 · 2023-08-01 · ·

A method of communication-based train control system migration includes scanning a guideway to generate surveying data and processing surveying data to calculate a 3-D representation of the guideway. Appropriate locations are determined for the communication-based control devices on the guideway. Communication-based train control devices are installed in a guideway at the determined appropriate locations and vehicles are retrofitted with an autonomy platform. Testing of the control devices and retrofit vehicles is performed. A communication-based train control system is used to control the retrofit vehicles when they operate within the guideway.

VEHICLE SPEED MANAGEMENT SYSTEMS AND METHODS
20230227082 · 2023-07-20 ·

A method is provided that may include obtaining image data from vision sensors disposed onboard a vehicle. The method may include determining a stopping distance of the vehicle based at least in part on the image data using an artificial intelligence (AI) neural network having artificial neurons arranged in layers and connected with each other by connections. A moving speed and a speed limit of the vehicle may be determined using the AI neural network. The method may control movement of the vehicle using the AI neural network by enforcing movement authorities preventing unwarranted movement of the vehicle based on a difference between the moving speed and the speed limit. The method may include receiving feedback regarding the stopping distance and the speed limit calculated by the artificial neurons and training the AI neural network by changing connections between the artificial neurons based on the feedback received.

VEHICLE CONTROL SYSTEM

A system and method for controlling a vehicle system may determine one or more of a route parameter of a route on which the vehicle system is moving or a vehicle parameter of the vehicle system. The system and method may also determine whether a ratio of a lateral force exerted by one or more wheels of the vehicle system on the route to a vertical force exerted by the one or more wheels of the vehicle system on the route increases to a value exceeding a designated threshold as a result of the one or more route parameter of vehicle parameter that is determined. The ratio of the lateral force to the vertical force exerted by the one or more wheels of the vehicle system on the route may be reduced to a value less than the designated threshold by changing an operation of the vehicle system.

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.

VEHICLE SYSTEM AND METHOD

In one example, a wayside device monitoring system is provided. The system may include a wayside device and a controller. The wayside device may detect one or more operating parameters of a vehicle in a vehicle system moving over a route segment. The controller can receive information from the wayside device regarding at least the one or more operating parameters detected, and can control movement the vehicle directly or indirectly based at least in part on the received information.

Vehicle control system and method

A vehicle control system and method wirelessly communicate from at least one wireless transmitter positioned proximate a route crossing to a wireless receiver of a vehicle via a wireless wayside transceiver. The system and method communicate an indication of whether the route crossing is clear for passage of the vehicle through the route crossing. The system and method receive the indication by the wireless transmitter and using the vehicle receiver. A vehicle controller or an operator of the vehicle can determine whether it is safe for the vehicle to travel through the route crossing based on the indication received by the vehicle receiver from the portable transmitter. The vehicle can then be operated based on the determination.

AERIAL CABLE TRANSPORTATION SYSTEM AND METHOD FOR OPERATING SUCH A SYSTEM
20220410943 · 2022-12-29 ·

An aerial cable transportation system comprising: at least one hauling cable; a first fixed structure; at least one transportation unit; a plurality of sensors configured for detecting the passage of the transportation units; a control unit; wherein the plurality of sensors comprises at least a first sensor arranged at the exit area of the first fixed structure and at least a second sensor downstream of the first sensor, respectively, at is least a distance s1 from the first sensor measured in cable-meters; wherein the control unit is connected to the sensors and is configured for: upon the passage of each transportation unit at the first sensor, starting to count the meters of cable fed outside the first fixed structure; when the counting of the meters of cable fed outside the first fixed structure reaches amounts about equal to the at least one distance s1, autonomously activating safety procedures if the passage of the transportation unit is not detected by each corresponding second sensor downstream of the first sensor.

Vehicle control system
11529982 · 2022-12-20 · ·

A vehicle control system is provided for controlling adhesion of wheels to a route surface. The control system includes one or more processors configured to determine adhesion values representative of adhesion between the wheels of a vehicle and the route surface based on angular speeds of the wheels. The one or more processors are configured to generate a target slip value for the wheels that are coupled with at least two different axles of the vehicle by processing the adhesion values and modifying the target slip value continuously in time to maximize an average value of the adhesion values of the wheels. The one or more processors also are configured to control a torque applied to at least one of the axles based on the target slip value.