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Method and system for transmitting enforceable instructions in positive train control systems

  • US 10,081,378 B2
  • Filed: 09/20/2013
  • Issued: 09/25/2018
  • Est. Priority Date: 09/20/2012
  • Status: Active Grant
First Claim
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1. A method for transmitting enforceable instructions in a positive train control (PTC) system, the method comprising:

  • receiving, by a cyclic redundancy check (CRC) calculator, at least one enforceable instruction from railroad systems;

    converting, by the CRC calculator, the at least one enforceable instruction into a neutral data format that is the same for each railroad of a plurality of different railroads, wherein the neutral data format is different from a normalized format used by a back office server of the PTC system to convert the at least one enforceable instruction;

    calculating, by the CRC calculator, the at least one enforceable instruction CRC based at least partly on the at least one enforceable instruction in the neutral data format; and

    transmitting, by the CRC calculator, the at least one enforceable instruction CRC to at least one of the back office server of the PTC system and an on-board system of a locomotive.

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