FDM型增材制造中送丝机构动态监测与识别

刘晓伟,陈赟,张思,陈康

Dynamic monitoring and identification of wire feeder in FDM-based additive manufacturing

Xiao-wei LIU,Yun CHEN,Si ZHANG,Kang CHEN

表 2 多分类混淆矩阵

Tab.2 Confusion matrix of multi-classification

真实类 预测类 1 2 $ \cdots $ n 1 ${a_{11}}$ ${a_{12}}$ $ \cdots $ ${a_{1n}}$ 2 ${a_{21}}$ ${a_{22}}$ $ \cdots $ ${a_{2n}}$ $ \vdots $ $ \vdots $ $ \vdots $ $\vdots$ $ \vdots $ n ${a_{n1}}$ ${a_{n2}}$ $ \cdots $ ${a_{nn}}$