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本文提出了一种新的机床颤振预兆早期诊断方法——频率矩心判别法。试验表明:利用频率矩心能够对颤振预兆进行早期诊断。
This paper presents a new method of early diagnosis of chattering precursors - frequency centroid discrimination method. Experiments show that the use of frequency centroid early warning flutter can be diagnosed.