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CONTROLLING EXHAUST GAS RECIRCULATION THROUGH MULTIPLE PATHS IN A TURBOCHARGED ENGINE SYSTEM

  • US 20110088674A1
  • Filed: 05/28/2009
  • Published: 04/21/2011
  • Est. Priority Date: 06/02/2008
  • Status: Abandoned Application
First Claim
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1. A method of controlling exhaust gas recirculation (EGR) in a turbocharged engine system including a first EGR path and a second EGR path, the method comprising:

  • a) providing first and second EGR setpoints, which are associated with the first and second EGR paths and contribute to a total EGR setpoint; and

    b) applying a transfer function to at least one of the first and second EGR setpoints to account for at least one of dead time or lag time associated with the second EGR path.

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