The major technologies used include increasing compression ratio, changing spark advance Angle and using intake pulse turbo-charging.
主要采取了提高压缩比、改变点火提前角及采用进气脉冲增压技术。
Finally the calibration on a WF4C27F-E gasoline engine is performed, and the MAP graphs of the volumetric efficiency and the spark advance Angle are obtained.
最后针对WF4C 27 F - E汽油机进行了标定试验，获取了充量系数和点火提前角MAP图。
The results showed that the adjustment by spark advance angle on the idling speed was notable, thus, CMAC controller is an effective approach for controlling engine idling speed.
结果表明点火提前角的自动调节对怠速稳定性的控制效果明显，CMAC控制器能有效地用于发动机怠速控制。
The results showed that the adjustment by spark advance angle on the idling speed was notable, thus, CMAC controller is an effective approach for controlling engine idling speed.
结果表明点火提前角的自动调节对怠速稳定性的控制效果明显，CMAC控制器能有效地用于发动机怠速控制。
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