Abstract: A system for examining a route and/or determining information about the route and/or a vehicle system are provided. The system injects a first electrical examination signal into a conductive route from onboard a vehicle system traveling along the route and detects a first electrical characteristic of the route based on the first electrical examination signal. Using a route examining system that also is configured to detect damage to the route based on the first electrical characteristic, a first frequency tuned shunt in the route is detected based on the first electrical characteristic.

Abstract: Methods and systems for monitoring vibrations introduce baseline vibrations into a fiber optic cable with one or more of a designated frequency or a designated amplitude. Changes in the baseline vibrations are monitored using the fiber optic cable. Information about environmental conditions outside of the fiber optic cable and/or moving objects can be determined based at least in part on the changes in the baseline vibrations that are monitored. The information that is determined about the objects, such as vehicles, can be modified based on the changes in the baseline vibrations.

Abstract: Systems are provided to determine a location of an electrical fault in an electrical system of a vehicle. A test apparatus can include a control unit and a plurality of scan circuits. The control unit is configured to electrically couple the plurality of scan circuits to the electrical system and trigger the plurality of scan circuits to pass electrical signals to the electrical system. Each scan circuit is configured to detect a presence of an electrical fault in the electrical system based on an electrical signal passed. Each scan circuit provides information indicative of a location of the electrical fault in the electrical system, when detected, to the control unit.

Abstract: A communication system includes a router transceiver unit and a bandwidth module. The router transceiver unit includes a network adapter module and a signal modulator module. The network adapter module is configured to receive high bandwidth network data from one or more data sources disposed on board a vehicle. The signal modulator module is configured for electrical connection to a wired connection, and to convert the high bandwidth network data into modulated network data in a form suitable for transmission over the wired connection. The bandwidth module is configured to allocate different portions of a data communication bandwidth of the wired connection to the modulated network data. The allocation is based on categories representing at least one of the one or more data sources or contents of the high bandwidth network data.

Abstract: A system includes a vehicle control system, a friction modification unit, and a friction management module. The vehicle control system is configured to obtain a trip plan for the vehicle. The trip plan is based on one or more characteristics of a trip of the vehicle along a route in a transportation network, characteristics of the vehicle, or characteristics of the route along which the vehicle travels. The trip plan designates one or more tractive operations or braking operations. The friction modification unit is configured to modify a friction characteristic of a surface of the route as the vehicle travels on the route. The friction management module is configured to direct the friction modification unit to modify the friction characteristic of the surface of the route based on the trip plan.

Abstract: A method includes defining a pre-load zone that has reliable communication along a route. The pre-load zone is associated with a trip of a vehicle traveling along the route. A starting location of the trip is located outside of the pre-load zone. The vehicle is configured to enter the pre-load zone and exit the pre-load zone prior to reaching the starting location of the trip. The method includes receiving a trip request message that identifies the pre-load zone from the vehicle after the vehicle enters the pre-load zone and prior to the vehicle exiting the pre-load zone. The method also includes sending a trip response message to the vehicle that the vehicle receives prior to exiting the pre-load zone. The trip response message includes trip data specific to the trip that is selected based on the association between the pre-load zone and the trip.

Abstract: Systems and methods for communicating in a vehicle consist wirelessly communicate (using communication assemblies disposed onboard a vehicle consist) a movement control data message via a first wireless communication path between a lead vehicle and a remote vehicle of the vehicle consist. The vehicle consist includes the lead vehicle and the remote vehicle operably coupled with each other to travel along a route. A non-movement control data message also is wirelessly communicated, but via a different, second wireless communication path between the lead vehicle and the remote vehicle. The movement control data message is communicated to remotely control operation of the remote vehicle from the lead vehicle. The non-movement control data message is communicated to remotely report a status of a component onboard the remote vehicle.

Abstract: Methods and systems relate to establishing a communication link with a wayside device, determining whether or not to at least one of update or configure the wayside device in dependence upon at least one update parameter, and when it is determined to update or configure the wayside device, updating or configuring the wayside device from a remote location.

Abstract: An inspection system for use with a rail vehicle includes a sensor configured to be deployed onboard the rail vehicle for inspection of wayside rail equipment to determine operability or alignment of the equipment.

Abstract: Methods and systems for monitoring vibrations introduce baseline vibrations into a fiber optic cable with one or more of a designated frequency or a designated amplitude. Changes in the baseline vibrations are monitored using the fiber optic cable. Information about environmental conditions outside of the fiber optic cable and/or moving objects can be determined based at least in part on the changes in the baseline vibrations that are monitored. The information that is determined about the objects, such as vehicles, can be modified based on the changes in the baseline vibrations.

Abstract: A system and method for controlling a vehicle system control movement of the vehicle system along a route. The vehicle system includes one or more propulsion-generating vehicles. A propulsion-generating helper vehicle is temporarily added to the vehicle system such that the helper vehicle increases one or more of an amount of tractive force or an amount of braking effort generated by the vehicle system. The helper vehicle may be added during movement of the vehicle system. The system and method may add the helper vehicle without de-linking the propulsion-generating vehicles in the vehicle system from each other. The system and method optionally may control movement of the propulsion-generating vehicles and the helper vehicle according to a trip plan that designates operational settings as a function of at least one of time or distance along the route.

Abstract: A system includes a weight determination device and a trip control system. The weight determination device is configured to receive weather data of weather at least one of encountered or to be encountered by one or more vehicles in a vehicle system traveling on a trip along a route, and to determine a first estimated weight of the vehicle system based at least in part on the weather data. The first estimated weight accounts for mass attributable to the weather. The trip control system is configured to control the vehicle system for movement along the route based at least in part on the first estimated weight and/or display information of the first estimated weight on a display device for an operator to control the vehicle system for movement along the route based at least in part on the information of the first estimated weight that is displayed.

Abstract: Systems and methods for communicatively linking vehicles in a vehicle consist are provided. In one aspect, a lead vehicle can communicate a link command message to several remote vehicles. The link command message includes vehicle identifiers and/or a consist identifier. At the remote vehicles, if a vehicle identifier or a consist identifier stored onboard a remote vehicle matches the vehicle identifiers and/or consist identifier received in the link command message, the remote vehicle is communicatively linked with the lead vehicle to permit control of the remote vehicle by the lead vehicle. In another aspect, a vehicle identifier of the lead vehicle is stored onboard the remote vehicles. If the vehicle identifier stored on the remote vehicle matches a vehicle identifier received in the link command message, the remote vehicle is communicatively linked with the lead vehicle to permit control of the remote vehicle by the lead vehicle.

Abstract: A system and method for examining a route and/or vehicle system obtain a route parameter and/or a vehicle parameter from discrete examinations of the route and/or the vehicle system. The route parameter is indicative of a health of the route over which the vehicle system travels. The vehicle parameter is indicative of a health of the vehicle system. The discrete examinations of the route and/or the vehicle system are separated from each other by location and/or time. The route parameter and/or the vehicle parameter are examined to determine whether the route and/or the vehicle system is damaged and, responsive to determining that the route and/or the vehicle is damaged, the route and/or the vehicle system are continually monitored, such as by examination equipment onboard the vehicle system.

Abstract: A method includes defining a pre-load zone that has reliable communication along a route. The pre-load zone is associated with a trip of a vehicle traveling along the route. A starting location of the trip is located outside of the pre-load zone. The vehicle is configured to enter the pre-load zone and exit the pre-load zone prior to reaching the starting location of the trip. The method includes receiving a trip request message that identifies the pre-load zone from the vehicle after the vehicle enters the pre-load zone and prior to the vehicle exiting the pre-load zone. The method also includes sending a trip response message to the vehicle that the vehicle receives prior to exiting the pre-load zone. The trip response message includes trip data specific to the trip that is selected based on the association between the pre-load zone and the trip.

Abstract: A system and method for separating a vehicle system into separate vehicle segments, separately moving the vehicle segments, and re-connecting the vehicle segments without initiation of a brake penalty application are provided. The system and method communicate a suspend command signal between vehicle segments to suspend operations of vehicles in a cooperative mode. The vehicles in the vehicle system are decoupled into plural separate vehicle segments. The system and method also move one or more of the vehicle segments separately from one or more other vehicle segments. The vehicle segments are reconnected to form the vehicle system, and the system and method communicate a reconnect command signal between the vehicle segments to resume operations in the cooperative mode, without incurring a penalty brake application of the vehicle system.

Abstract: A sensing system includes a leading sensor, a trailing sensor, and a route examining unit. The leading sensor is onboard a first vehicle of a vehicle system that is traveling along a route. The leading sensor measures first characteristics of the route as the vehicle system moves along the route. The trailing sensor is disposed onboard a second vehicle of the vehicle system. The trailing sensor measures second characteristics of the route as the vehicle system moves along the route. The route examining unit is disposed onboard the vehicle system and receives the first characteristics of the route and the second characteristics of the route to compare the first characteristics with the second characteristics. The route examining unit also identifies a segment of the route as being damaged based on a comparison of the first characteristics with the second characteristics.

Abstract: A system includes a first controller, a data acquisition device, a friction modification unit, and a friction management controller. The first controller is configured to obtain an operational setting for a vehicle, and to output a first signal relating to the operational setting for controlling the vehicle. The data acquisition device is configured to obtain operational data of the vehicle as the vehicle travels, and to provide the operational data to the first controller. The first controller is configured to obtain a difference between the operational data and the operational setting, and to adjust the first signal based on the difference. The friction modification unit is configured to modify a friction characteristic of a surface of the route. The friction management controller is configured to direct the friction modification unit to modify the friction characteristic of the surface of the route based on the operational setting.

Abstract: A method includes operating a vehicle traveling in a transportation network with a throttle of the vehicle at a maximum throttle setting during a trip of the vehicle along a route from a first location to a different, second location. The method also includes applying a dynamic brake of the vehicle at a maximum brake setting of the dynamic brake, and alternating between operating the vehicle with the throttle at the maximum throttle setting and applying the dynamic brake of the vehicle at the maximum brake setting along a route being traveled by the vehicle from the first location to the second location.

Abstract: A method includes receiving weather data of weather at least one of encountered or to be encountered by one or more vehicles in a vehicle system traveling on a trip along a route. The method also includes, based at least in part on the weather data, determining a first estimated weight of the vehicle system. The first estimated weight accounts for mass attributable to the weather. The method further includes controlling movements of the vehicle system during the trip based at least in part on the first estimated weight of the vehicle system.