Three methods have been developed for misfire detection in internal combustion engines by speed fluctuation signals. They are based on a diagnostic model,waveform analysis and multiple feature integration,respectively.
提出了利用转速波动信号诊断内燃机失火故障的 3种方法 ,包括诊断模型方法 (1 )、波形分析方法(2 )和多特征综合方法 (3)。
参考来源 - 利用转速波动信号诊断内燃机失火故障的研究(1)——诊断模型方法·2,447,543篇论文数据，部分数据来源于NoteExpress
When standard turntable runs, its Angle speed fluctuation is critical for the reliability of calibrated device.
标准转台等旋转体在转动时产生的角速度波动对被标定设备的数据可信度有很大影响。
Moreover, the influence of the geometric parameters on efficiency and speed fluctuation of the roller drives is discussed.
并且论文也讨论了滚筒的几何参数对效率和速度变化的影响。
Results show that the motor has good stability. The speed fluctuation is controlled within 3% by the frequency automatic tracking technique.
实验结果表明，该电机具有良好的稳定性，利用频率自动跟踪技术对电机转速进行闭环控制，可以将其转速波动稳定在3%之内。
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