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 2 FPI、TPI对总推进力、刀盘扭矩预测效果影响

Tab.2 Impact of FPI and TPI on thrust and torque prediction results

指标类别 参数 MAE RMSE R2 MAPE/% 含上一循环FPI、TPI F 793.60 1065.97 0.90 6.72 T 174.58 242.05 0.89 8.97 不含上一循环FPI、TPI F 880.44 1199.78 0.88 7.54 T 257.59 367.71 0.74 14.93