Machining chatter detection using optimized VMD with multi-metric adaptive mode selection and hierarchical weighted permutation entropy

Key Points

• Machining chatter detection improved significantly using optimized variational mode decomposition with adaptive mode selection.
• Chatter detection accuracy increased by 25%, evidenced through benchmark testing across multiple signal types.
• Analysis employed optimized variational mode decomposition and hierarchical weighted permutation entropy for enhanced signal interpretation.
• Findings highlight the potential for reduced manufacturing errors and increased efficiency in industrial applications, advocating further exploration.