Method and apparatus for controlling a homogeneous charge compression ignition engine
The invention comprises a method for controlling operation of a homogeneous charge combustion ignition engine operating in an auto-ignition mode. The method comprises determining a desired combustion phasing; and, controlling a mass flowrate of externally recirculated exhaust gas based upon an actual combustion phasing. A closed-loop control scheme is executed to control the mass flowrate of externally recirculated exhaust gas based upon a difference between the actual and the desired combustion phasing.
GM Global Technology Operations, Inc.
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Man-Feng Jun-Mo Nicole Chen-Fang
Chang Kang Wermuth Chang