基于局部线性嵌入和支持向量机回归的TBM施工参数预测

李建斌,武颖莹,李鹏宇,郑霄峰,徐剑安,鞠翔宇

TBM tunneling parameters prediction based on Locally Linear Embedding and Support Vector Regression

Jian-bin LI,Ying-ying WU,Peng-yu LI,Xiao-feng ZHENG,Jian-an XU,Xiang-yu JU

表 3 FPI、TPI对推进速度、刀盘转速预测效果的影响

Tab.3 Impact of FPI and TPI on prediction results of advance rate and cutter head speed

指标类别 参数 MAE RMSE R2 MAPE/% 含上一循环FPI、TPI v 6.52 9.49 0.50 13.08 n 0.24 0.38 0.82 4.03 不含上一循环FPI、TPI v 7.87 11.18 0.30 16.04 n 0.32 0.47 0.72 5.46