多源数据混合驱动的铣削刀具磨损状态动态评价方法

毛建威,周迪,庄笑,孙维方

Dynamic evaluation method for milling tool wear state using multi-source data hybrid drive

Jianwei MAO,Di ZHOU,Xiao ZHUANG,Weifang SUN

表 4 不同信号转换方式组成模型在4种铣削实验中的评估指标

Tab.4 Evaluation metrics of models composed of different signal conversion methods in four milling experiments

模型 实验1组 实验2组 实验3组 实验4组 MAE RMSE R2 MAE RMSE R2 MAE RMSE R2 MAE RMSE R2 图像+CWT 0.10029 0.12822 0.90918 0.08660 0.09841 0.82398 0.05855 0.09669 0.81031 0.06068 0.08595 0.90722 图像+RP 0.08232 0.10628 0.93760 0.07047 0.08218 0.87724 0.05165 0.08368 0.85791 0.05219 0.07142 0.93594 图像+GAF 0.09977 0.12097 0.91916 0.08555 0.10081 0.81529 0.07644 0.10341 0.78305 0.06279 0.09466 0.88748