Browse Publications Technical Papers 2009-01-1451

Control Strategy Optimization for Hybrid EGR Engines 2009-01-1451

Control strategies for engines with multiple sources of EGR (Hybrid EGR), such as high and low pressure, have been developed and are in or near production. Next generation engines require these basic approaches be extended to take advantage of the capabilities these advanced air systems offer. This paper presents a number of the practical challenges encountered when attempting to do this control system optimization as well as proposed solutions. Engine test results showing the net improvements to emissions and transient response when using these techniques are discussed.


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