介绍了一种用于汽油机点火正时闭环控制的火焰信号角测量系统，并在BJ 492 Q型汽油机上作了实例试验分析。
A flaming Angle measuring system for closed-loop ignition timing control of petrol engines is outlined in this paper, and an experimental example on a BJ492Q petrol engine is provided.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
早期的控制系统主要是以气缸充气量、燃油质量和点火正时为控制参数。
Earlier engine control systems mainly based on mass air flow, fuel quality and Spark Timing.
早期的控制系统主要是以气缸充气量、燃油质量和点火正时为控制参数。
Earlier engine control systems mainly based on mass air flow, fuel quality and Spark Timing.
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