Mechatronic model of continuous miner cutting drum driveline

The continuous miner's boom with cutting drum is a mechatronic system involving electromechanical driveline which interacts with rocks. The forces needed for the rock-cutting process are dependent on many factors. However, in each case the value of these loads has a significant influence on the mechanical structure and electrical system. The paper presents a new concept of a power train system where the electronically controlled PM electric motors are directly connected with the mechanical transmission system in the cutter head. A mathematical and numerical model was developed to determine the electrical parameters during the cutting process and interactions between the electrical and mechanical subsystems. The results of a simulated rock cutting process are presented in time-dependent charts showing the cutting drum's operation.