一种减小曲轴转速变动的系统，包括控制器、制动装置和控制模块。
A system to reduce rotational speed variations of a crankshaft includes a controller, a braking device, and a control module.
利用瞬态曲轴转速波动进行时域分析可在低速时诊断出单缸熄火，在高速时由于波动的复杂性就难以做到。
The single cylinder misfire can be also done by the frequency spectrum analysis of rotating speed fluctuation at both low and high speeds, but it can not be determined which cylinder is misfired.
基于曲轴转速波动法，通过对发动机58齿转速信号进行分析，计算发动机每缸失火粗暴度来判断是否失火。
Based on the method of engine crank speed fluctuation, the 58X speed sensor signal is analyzed by the input capture.
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