Using deep neural networks coupled with principal component analysis for ore production forecasting at open-pit mines

查看全文 作　　者：Chengkai [1]Fan;Na [2]Zhang;Bei [2]Jiang;Wei Victor [1]Liu

机构地区：[1]Department of Civil and Environmental Engineering,University of Alberta,Edmonton,Alberta,T6G 2E3,Canada;[2]Department of Mathematical and Statistical Sciences,University of Alberta,Edmonton,Alberta,T6G 2G1,Canada

出　　处：《Journal of Rock Mechanics and Geotechnical Engineering》索引2024年第16卷第3期,共14页

基　　金：This work was supported by the Pilot Seed Grant(Grant No.RES0049944);the Collaborative Research Project(Grant No.RES0043251)from the University of Alberta. 摘　　要：Ore production is usually affected by multiple influencing inputs at open-pit mines.Nevertheless,the complex nonlinear relationships between these inputs and ore production remain unclear.This becomes even more challenging when training data(e.g.truck haulage information and weather conditions)are massive.In machine learning(ML)algorithms,deep neural network(DNN)is a superior method for processing nonlinear and massive data by adjusting the amount of neurons and hidden layers.This study adopted DNN to forecast ore production using truck haulage information and weather conditions at open-pit mines as training data.Before the prediction models were built,principal component analysis(PCA)was employed to reduce the data dimensionality and eliminate the multicollinearity among highly correlated input variables.To verify the superiority of DNN,three ANNs containing only one hidden layer and six traditional ML models were established as benchmark models.The DNN model with multiple hidden layers performed better than the ANN models with a single hidden layer.The DNN model outperformed the extensively applied benchmark models in predicting ore production.This can provide engineers and researchers with an accurate method to forecast ore production,which helps make sound budgetary decisions and mine planning at open-pit mines. 关键词：Oil sands production Open-pit mining Deep learning Principal component analysis(PCA) Artificial neural network Mining engineering

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Using deep neural networks coupled with principal component analysis for ore production forecasting at open-pit mines

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