MULTIPLE VEHICLE CONTROL SYSTEM

• US 20170282942A1
• Filed: 03/31/2016
• Published: 10/05/2017
• Est. Priority Date: 03/31/2016
• Status: Active Grant

• Current Assignee: GE Global Sourcing LLC (Westinghouse Air Brake Technologies Corporation)
• Original Assignee: General Electric Company
• Inventors: Mathews, JR., Harry Kirk, Meyer, Brian Nedward, Brooks, James D., Wakeman, Joseph Daniel, Dai, Dan, Menon, Anup
• Granted Patent: US 10,183,684 B2
• Time in Patent Office: Days
• CPC Class Codes: B61L 15/0058 On-board optimisation of vehicle or vehicle train operation
• CPC Class Codes: B61L 15/0062 On-board target speed calculation or supervision
• CPC Class Codes: B61L 15/0072 On-board train data handling
• CPC Class Codes: B61L 15/0081 On-board diagnosis or maintenance

Abstract

A system includes an energy management system disposed onboard a vehicle system configured to travel on a route during a trip. The energy management system is configured to receive trip information that includes one or more constraints including at least one of speed, distance, or time restrictions for the vehicle system along the route. The energy management system is further configured to generate a trip plan for controlling movement of the vehicle system along the route during the trip. The trip plan is generated based on the one or more constraints. The trip plan has a plan speed profile that designates speeds for the vehicle system according to at least one of distance or time during the trip. The energy management system is further configured to control movement of the vehicle system during the trip according to the plan speed profile of the trip plan.

Claims

1. A system comprising:

an energy management system disposed onboard a first vehicle system configured to travel on a route during a trip, the energy management system having one or more processors, the energy management system being configured to receive trip information that is specific to the trip, the trip information including one or more constraints including at least one of speed, distance, or time restrictions for the first vehicle system along the route, the energy management system being further configured to generate a trip plan for controlling movement of the first vehicle system along the route during the trip, the trip plan being generated based on the one or more constraints, the trip plan having a plan speed profile that designates speeds for the first vehicle system according to at least one of distance or time during the trip, the energy management system further configured to control movement of the first vehicle system during the trip according to the plan speed profile of the trip plan.

2. The system of claim 1, wherein the trip information is received by the energy management system from at least one of an external coordinator, a second vehicle system, or an operator of the first vehicle system.

3. The system of claim 1, wherein the trip information includes a pacing speed profile that is based on movement of a second vehicle system on the route, the one or more constraints being based on the pacing speed profile.

4. The system of claim 3, wherein the one or more constraints include an upper time-distance boundary and a lower time-distance boundary, the upper time-distance boundary having a positive offset in at least one of distance or time relative to the pacing speed profile, the lower time-distance boundary having a negative offset in at least one of distance or time relative to the pacing speed profile, the upper and lower time-distance boundaries defining a movement window therebetween, the trip plan being generated such that the plan speed profile is generally maintained within the movement window during the trip.

5. The system of claim 3, wherein the energy management system is configured to partition the trip into multiple segments based on at least one of distance or time along the route, the one or more constraints including matching an average speed of the plan speed profile with an average speed of the pacing speed profile at ends of the segments.

6. The system of claim 3, wherein the energy management system is configured to generate the trip plan to reduce a difference in instantaneous speeds between the pacing speed profile and the plan speed profile of the trip plan at multiple times or locations during the trip.

7. The system of claim 1, wherein the one or more constraints include a designated minimum speed limit, the energy management system configured to generate the trip plan such that the plan speed profile is above the minimum speed limit during the trip.

8. The system of claim 1, wherein the one or more constraints include multiple arrival times associated with corresponding designated locations along the route during the trip, the energy management system configured to generate the trip plan such that the first vehicle system moving according to the plan speed profile arrives at the designated locations at least one of before, after, or within a designated time range of the corresponding arrival times.

9. The system of claim 8, wherein the designated locations are at least one of block signal locations, block segment boundaries, siding locations, or station locations.

10. The system of claim 1, wherein the energy management system is configured to generate the trip plan to control movement of the first vehicle system during the trip to at least one of reduce fuel consumption, reduce travel time, reduce wear on the vehicle, reach a destination at a predefined time, increase throughput on a vehicle network, reduce emissions, or reduce noise relative to manual control of the first vehicle system during the trip.

11. The system of claim 1, wherein the one or more constraints of the trip information are based on movement of a second vehicle system on the route that is moving in a same direction as the first vehicle system, the trip plan being generated based on the one or more constraints and the movement of the first vehicle system being controlled according to the trip plan such that the first vehicle system maintains at least a designated separation from the second vehicle system during the trip.

12. The system of claim 1, wherein the one or more constraints of the trip information are based on movement of a second vehicle system at least one of on the route and moving in an opposite direction as the first vehicle system or on a different route that intersects the route traveled by the first vehicle system, the trip plan being generated based on the one or more constraints and the movement of the first vehicle system being controlled according to the trip plan such that the first vehicle system at least one of passes the second vehicle system on the same route or crosses an intersection between the route and the different route at a time range that does not require the first vehicle system or the second vehicle system to stop.

13. The system of claim 12, wherein the system further includes a communication circuit that communicates the trip plan that is generated based on the one or more constraints to the second vehicle system for the second vehicle system to update movement of the second vehicle system based on the trip plan generated for the first vehicle system.

14. The system of claim 1, wherein the one or more constraints of the trip information are based on a scheduled arrival time for the first vehicle system at a cargo transfer location where cargo is at least one of loaded onto the first vehicle system or unloaded from the first vehicle system, the trip plan being generated based on the one or more constraints and the movement of the first vehicle system being controlled according to the trip plan such that the first vehicle system arrives at the cargo transfer location at least one of before, after, or within a designated time range of the scheduled arrival time.

15. A system comprising:

one or more processors configured to receive trip information from a communication circuit onboard a first vehicle system that is configured to travel on a route during a trip, the trip information including a pacing speed profile that is based on movement of at least a second vehicle system on the route, the one or more processors further configured to generate a trip plan for controlling movement of the first vehicle system along the route during the trip, the trip plan having a plan speed profile that designates speeds for the first vehicle system according to at least one of distance or time during the trip, the trip plan being generated using one or more constraints that are based on the pacing speed profile, the one or more processors further configured to control movement of the first vehicle system during the trip according to the plan speed profile of the trip plan to ensure that the first vehicle system maintains at least a designated separation from the second vehicle system during the trip.

16. The system of claim 15, wherein the one or more processors are disposed on the first vehicle system.

17. The system of claim 15, wherein the one or more constraints include an upper time-distance boundary and a lower time-distance boundary, the upper time-distance boundary having a positive offset in at least one of distance or time relative to the pacing speed profile, the lower time-distance boundary having a negative offset in at least one of distance or time relative to the pacing speed profile, the upper and lower time-distance boundaries defining a movement window therebetween, the trip plan being generated such that the plan speed profile is generally maintained within the movement window during the trip.

18. The system of claim 15, wherein the one or more processors partition the trip into multiple segments based on at least one of distance or time along the route, the one or more constraints including matching an average speed of the plan speed profile with an average speed of the pacing speed profile at ends of the multiple segments.

19. The system of claim 15, wherein the one or more processors are configured to generate the trip plan to reduce a difference in instantaneous speeds between the pacing speed profile and the plan speed profile of the trip plan at multiple times or locations during the trip.

20. A method comprising:

receiving trip information specific to a trip of a first vehicle system that is configured to travel on a route during a trip, the trip information including one or more constraints including at least one of speed, distance, or time restrictions for the first vehicle system along the route;

generating a trip plan for controlling movement of the first vehicle system along the route during the trip, the trip plan generated based on the one or more constraints, the trip plan having a plan speed profile that designates speeds for the first vehicle system according to at least one of distance or time during the trip; and

controlling movement of the first vehicle system during the trip according to the plan speed profile of the trip plan.

21. The method of claim 20, wherein the one or more constraints include an upper time-distance boundary and a lower time-distance boundary that define a movement window therebetween, the trip plan being generated such that the plan speed profile is generally maintained within the movement window during the trip.

22. The method of claim 20, wherein the method further includes communicating the trip plan that is generated to a different, second vehicle system that is configured to travel on at least one of the route traveled by the first vehicle system or another route that intersects the route traveled by the first vehicle system, the trip plan being communicated to the second vehicle system for the second vehicle system to update movement of the second vehicle system based on the received trip plan generated for the first vehicle system.