Methods and apparatus for locomotive tracking
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United States of America Patent
Stats
-
Dec 3, 2002
Grant Date -
Nov 22, 2001
app pub date -
Dec 29, 2000
filing date -
Dec 30, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for managing locomotives is provided. The apparatus includes an on-board tracking system including a locomotive interface, a computer, a GPS receiver, and a communicator, the computer programmed to determine a position of the locomotive and to transmit the position via the communicator, the computer further programmed to obtain locomotive discretes and to transmit the locomotive discretes via the communicator. The method includes the steps of operating each on-board system to determine when its respective locomotive departs a locomotive assignment point, operating the on-board systems to determine a departure condition, to send a locomotive position message to a data center at a time corresponding to the locomotive assignment point, to simultaneously collect GPS location data for each respective locomotive and at the data center, collecting locomotive position messages corresponding to the locomotive assignment point to determine localized groups of locomotives, identifying candidate consists and lead locomotives.
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