基于DL-BiGRU多特征融合的注塑件尺寸预测方法

钱庆杰,余军合,战洪飞,王瑞,胡健

Dimension prediction method of injection molded parts based on multi-feature fusion of DL-BiGRU

Qingjie QIAN,Junhe YU,Hongfei ZHAN,Rui WANG,Jian HU

表 5 不同消融模型的预测误差

Tab.5 Prediction error of different ablation models

模 型 结 构 size1 size2 size3 MSE/mm2 MAE/mm MSE/mm2 MAE/mm MSE/mm2 MAE/mm SPC+FC+RG 0.001090 0.023762 0.001395 0.029309 0.000988 0.024219 GRU+FC+RG 0.001306 0.029290 0.001333 0.028509 0.000847 0.022446 [GRU+FC,SPC+FC,GP+FC]+FC+RG 0.000547 0.018107 0.000920 0.023647 0.000448 0.016595 [DL-GRU+FC,SPC+FC,GP+FC]+FC+RG 0.000494 0.017214 0.000833 0.022577 0.000676 0.019903 [BiGRU+FC,SPC+FC,GP+FC]+FC+RG 0.000499 0.017021 0.000549 0.018198 0.000431 0.016219 [DL-BiGRU+FC,SPC+FC,GP+FC]+FC+RG 0.000472 0.016570 0.000512 0.017776 0.000427 0.016107