System for tracking railcars in a railroad environment
First Claim
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1. A system for determining real-time locations of railcars in a railroad environment, comprising:
- a plurality of railcars, each railcar including at least four RFID tags attached for railcar identification;
a RFID reader at a fixed location at every branch track in the environment to read an identification of the RFID tags; and
means for updating locations of the plurality of railcars by determining the branches on which the railcars are located.
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Abstract
A system determines real-time locations of railcars in a railroad environment. Railcars are equipped with at least four RFID tags. A RFID reader at a fixed location at every track branch in the environment reads the RFID tags. Railcar locations are updated for the railcars by determining the branches on which the railcars are located.
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Citations
11 Claims
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1. A system for determining real-time locations of railcars in a railroad environment, comprising:
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a plurality of railcars, each railcar including at least four RFID tags attached for railcar identification;
a RFID reader at a fixed location at every branch track in the environment to read an identification of the RFID tags; and
means for updating locations of the plurality of railcars by determining the branches on which the railcars are located. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification