| 摘要 |
PURPOSE: An ETC(Electronic Throttle Control) valve control system of GDI(Gasoline Direct Injection) engine is provided to improve the fuel efficiency and the acceleration feeling. CONSTITUTION: An ETC(Electronic Throttle Control) system of GDI(Gasoline Direct Injection) engine includes a drive mode decision part(10) receiving the engine RPM and the relative value of the required engine load and deciding one drive mode among an EHS(Early Homogeneous Mode), an ESM(Early stratified Mode) and an LSM(late stratified Mode), and an electronic control part(20) outputting the control signal of the ETC(Electronic Throttle Control) valve control part(30) controlling the operation of the ETC valve(40).
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