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揭示了切削失稳初期监测信号的瞬时频率由不规则波动趋于稳定的变化特征,提出了识别切削不稳定性征兆的监测参数,零交稠度比λ(s,),导出了λ(s,)的快速算法。
The instantaneous frequency of the monitoring signal at the initial stage of cutting instability was revealed to be stable from irregular fluctuations. The monitoring parameters identifying the signs of cutting instability and the zero cross consistency λ (s, ) Fast algorithm.