System and method for determining a quality value of a location estimation of a powered system
First Claim
1. A system comprising:
- a speed sensor configured to output speed data representative of a measured speed at which a powered system is traveling at a location;
a position determination device configured to output location data representative of a measured position of the powered system at the location; and
at least one controller configured to determine a location estimation of the powered system based on a speed-based distance estimation and a position-based distance estimation of the powered system from one or more reference points, the speed-based distance estimation based at least in part on the measured speed and the position-based distance estimation based at least in part on the measured position, and the at least one controller is configured to determine a quality value of the location estimation that is based at least in part on the location estimation and the measured position of the powered system,wherein the powered system is a rail vehicle consist comprising at least one rail vehicle having the speed sensor, the position determination device, and the at least one controller,wherein the at least one controller is configured to at least one of autonomously control or direct manual control of operations of the powered system during a trip along a route according to a trip plan, the trip plan designating operational parameters of the powered system as a function of distance along the route, and wherein the at least one controller is configured to determine which of the operational parameters designated by the trip plan to use to control the powered system based on the location estimation.
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Accused Products
Abstract
A system is provided for determining a quality of a location estimation of a powered system at a location. The system includes a first sensor configured to measure a first parameter of the powered system at the location. The system further includes a second sensor configured to measure a second parameter of the powered system at the location. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. A method is also provided for determining a quality of a location estimation of a powered system at a location.
93 Citations
32 Claims
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1. A system comprising:
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a speed sensor configured to output speed data representative of a measured speed at which a powered system is traveling at a location; a position determination device configured to output location data representative of a measured position of the powered system at the location; and at least one controller configured to determine a location estimation of the powered system based on a speed-based distance estimation and a position-based distance estimation of the powered system from one or more reference points, the speed-based distance estimation based at least in part on the measured speed and the position-based distance estimation based at least in part on the measured position, and the at least one controller is configured to determine a quality value of the location estimation that is based at least in part on the location estimation and the measured position of the powered system, wherein the powered system is a rail vehicle consist comprising at least one rail vehicle having the speed sensor, the position determination device, and the at least one controller, wherein the at least one controller is configured to at least one of autonomously control or direct manual control of operations of the powered system during a trip along a route according to a trip plan, the trip plan designating operational parameters of the powered system as a function of distance along the route, and wherein the at least one controller is configured to determine which of the operational parameters designated by the trip plan to use to control the powered system based on the location estimation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system comprising:
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a speed sensor configured to output speed data representative of a measured speed at which a rail vehicle consist is traveling at a location; a position determination device configured to output location data representative of a measured position of the rail vehicle consist at the location; and at least one controller configured to determine a location estimation of the rail vehicle consist from one or more reference points, based at least in part on the measured speed and the measured position, and the at least one controller is configured to determine a quality value of the location estimation that is based at least in part on the location estimation and the measured position of the rail vehicle consist, wherein the location estimation of the powered system at the location is based on at least one of a sum of or difference between the quality value of the location estimation and at least one of a speed-based distance estimation from at least one of the one or more reference points or the measured position. - View Dependent Claims (19)
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20. A method comprising:
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receiving speed data from a speed sensor disposed onboard a first rail vehicle of a rail vehicle consist, the speed data representative of a measured speed at which the rail vehicle consist is traveling at a location; receiving location data from a position determination device disposed onboard the first rail vehicle of the rail vehicle consist, the location data representative of a measured position of the rail vehicle consist at the location; determining a speed-based distance estimation of the rail vehicle consist based at least in part on the speed data, the speed-based distance estimation representative of separation of the rail vehicle consist from one or more reference points; determining a position-based distance estimation of the rail vehicle consist based at least in part on the location data, the position-based distance estimation representative of the separation of the rail vehicle consist from the reference point; determining a location estimation of the rail vehicle consist based at least in part on the speed-based distance estimation and the position-based distance estimation; determining a quality value of the location estimation based at least in part on the location estimation and the measured position of the rail vehicle consist; at least one of autonomously controlling or directing manual control of operations of the rail vehicle consist during a trip along a route according to a trip plan, the trip plan designating speeds of the rail vehicle consist as a function of distance along the route; and controlling actual speeds of the rail vehicle consist to match one or more of the speeds designated by the trip plan based on the location estimation. - View Dependent Claims (21, 22, 23, 24)
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25. A method comprising:
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receiving speed data from a speed sensor disposed onboard a first rail vehicle of a rail vehicle consist, the speed data representative of a measured speed at which the rail vehicle consist is traveling at a location; receiving location data from a position determination device disposed onboard the first rail vehicle of the rail vehicle consist, the location data representative of a measured position of the rail vehicle consist at the location; determining a location estimation of the rail vehicle consist from one or more reference points based at least in part on the speed data and the location data; and determining a quality value of the location estimation based at least in part on the location estimation and the measured position of the rail vehicle consist, wherein the location estimation of the powered system at the location is based on at least one of a sum of or difference between the quality value of the location estimation and at least one of a speed-based distance estimation of the rail vehicle consist from one or more reference locations or the measured position of the rail vehicle consist. - View Dependent Claims (26)
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27. A system comprising:
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a speed sensor for generating speed data that represents a velocity of a vehicle system along a route; a position determination device for generating location data that represents a position of the vehicle system along the route; and one or more controllers for determining a speed-based distance of the vehicle system from a reference location based on the speed data and for determining a location-based distance of the vehicle system from the reference location based on the location data, the one or more controllers also for determining a location estimation of the vehicle system along the route based on the speed-based distance and the location-based distance and for determining a quality value of the location estimation based on the location data, wherein the one or more controllers also are for at least one of autonomously controlling or directing manual control of the velocity of the vehicle system according to a trip plan that designates speeds of the vehicle system as a function of distance along the route, the one or more controllers for using the location estimation to determine the velocity of the vehicle system according to the trip plan responsive to the quality value remaining within a designated range, wherein the vehicle system is a rail vehicle consist having a locomotive, and the speed sensor, the position determination device, and the one or more controllers are disposed onboard the locomotive. - View Dependent Claims (28, 29, 30, 31, 32)
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Specification