Research of efficiency of coal mine production logistics system based on system dynamics

In view of problems that existing research methods of coal mine production logistics system lack analysis of relationship among various influencing factors and cannot forecast impact of input on system efficiency dynamically, system dynamics method was used to establish system dynamics model of factors which influence efficiency level of coal mine production logistics system, and efficiency level of coal mine production logistics system was simulated dynamically. The simulation results show that improving efficiency of coal mine production logistics system requires sustained investment of resources. Initial value of factors affects time of coal mine production logistics system to achieve desired efficiency. In all factors, level of management and technical personnel has the maximum actual activity ratio, therefore, enhance level of management and technical personnel is the key to improve efficiency of coal mine production logistics system.