Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modes
A method for transitioning a spark-ignition direct injection internal combustion engine between a controlled auto-ignition combustion mode and a homogeneous spark-ignition combustion mode includes operating the engine in a stratified-charge spark-ignition combustion mode during the transitioning.
GM Global Technology Operations LLC
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Vijay Allen B. Jun-Mo Chen-Fang
Ramappan Rayl Kang Chang