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Method for determining run-curves for vehicles based on travel time

  • US 8,838,304 B2
  • Filed: 06/29/2012
  • Issued: 09/16/2014
  • Est. Priority Date: 06/29/2012
  • Status: Expired due to Fees
First Claim
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1. A method for determining an optimal run-curve for a vehicle under a constraint of travel time T along a route between two locations and controlling the vehicle to minimize consumption of energy, comprising off-line pre-processing and real-time processing, wherein the off-line preprocessing comprises the steps of:

  • generating a set of pairs of weights and corresponding travel times, wherein, for each weight and each travel time in each pair, the weight minimizes the energy consumed by the vehicle as a function of the travel time;

    storing, the pairs of weights and the corresponding travel times in a memory; and

    wherein the real-time processing comprises the steps of;

    receiving a specific travel time;

    determining the weight for the specific travel time using the set of weights;

    generating the run-curve for the vehicle based on the weight for the specific travel time, and operating the vehicle based on said run curve wherein the steps are performed in a processor.

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