Audible sound signal oriented tool wear state monitoring (IMAGE)

Tsinghua University Press

Audible sound signal oriented tool wear state monitoring

Caption

The microphone sensor is used to collect audible sound (AS) signals. It has the advantages of closely related to tool wear, no need to attach sensors, convenient and flexible measurement, and does not affect the normal operation of the equipment. The main work about TWCM is to build the relationship between the audible sound signals and the tool wear conditions. It includes 4 steps and corresponds to 4 key technologies, namely, acquisition of AS signals, denoising of AS signals, feature extraction of AS signals, and decision-making algorithm.

Credit

Journal of Advanced Manufacturing Science and Technology

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