Large-scale machinery operated in a coordinat-ed manner in earthworks for mining constitutes high safety risks.Efficient scheduling of such machinery,factoring in safety constraints,could save time and significantly i...Large-scale machinery operated in a coordinat-ed manner in earthworks for mining constitutes high safety risks.Efficient scheduling of such machinery,factoring in safety constraints,could save time and significantly improve the overall safety.This paper develops a model of automated equipment scheduling in mining earthworks and presents a scheduling algorithm based on deep rein-forcement learning with spatio-temporal safety constraints.The algorithm not only performed well on safety parame-ters,but also outperformed randomized instances of various sizes set against real mining applications.Further,the study reveals that responsiveness to spatio-temporal safety constraints noticeably increases as the scheduling size increases.This method provides important noticeable improvements to safe automated scheduling in mining.展开更多
基金National Natural Science Foundation of China(Grant Nos.72171092,52192664 and 71821001)Natural Science Fund for Distinguished Young Scholars of Hubei Province,China(Grant No.2021CFA091).
文摘Large-scale machinery operated in a coordinat-ed manner in earthworks for mining constitutes high safety risks.Efficient scheduling of such machinery,factoring in safety constraints,could save time and significantly improve the overall safety.This paper develops a model of automated equipment scheduling in mining earthworks and presents a scheduling algorithm based on deep rein-forcement learning with spatio-temporal safety constraints.The algorithm not only performed well on safety parame-ters,but also outperformed randomized instances of various sizes set against real mining applications.Further,the study reveals that responsiveness to spatio-temporal safety constraints noticeably increases as the scheduling size increases.This method provides important noticeable improvements to safe automated scheduling in mining.
