Chatter Detection With Beat Effect Based on Beat Frequency Estimation

Machining chatter is an unstable vibration that often results in poor surface quality, low productivity, and degraded machine tool life. Chatter detection is an important approach to timely avoid detrimental effects on the workpiece and machine tools. However, most chatter detection methods will lose effectiveness and even yield false alarms, when chatter is accompanied by the beat effect. The bea...