Total Automatic Excavation System for TBMs

A fuzzy logic excavation system for tunnel boring machines, which automates the excavation alignment control and discharging of the excavated materials, has been developed. By constantly monitoring boring machine behavior, geological conditions and roller cutter wear, this system achieves high precision and efficient excavation of both hard rock and soil. The verification tests using this system have shown that the boring machine can advance stably and efficiently according to the condition of the ground at the tunnel face, and thus confirmed the effectiveness of this system.