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Vehicle control using stochastic information

  • US 8,290,637 B2
  • Filed: 06/08/2009
  • Issued: 10/16/2012
  • Est. Priority Date: 06/16/2008
  • Status: Active Grant
First Claim
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1. A method for controlling a state of an objective function of a vehicle, comprising:

  • estimating expected states and associated probable ranges for a plurality of influence factors associated with stochastic parameters over a time horizon;

    determining a preferred control state for an objective function associated with the probable ranges of the influence factors over the time horizon;

    determining a candidate control state for the objective function associated with the expected states for the influence factors over the time horizon;

    controlling the objective function using the preferred control state for the objective function over the time horizon when a difference between a preferred objective function state determined using the preferred control state and the candidate objective function state determined using the candidate control state is less than a threshold; and

    controlling the objective function using the candidate control state for the objective function over the time horizon only when the difference between the preferred objective function state determined using the preferred control state and the candidate objective function state determined using the candidate control state is not less than the threshold.

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