Research on equipment intelligent control system in large mining height fully-mechanized face

With the continuous development of intelligent fully mechanized mining equipment technology, the intelligence degree of stand-alone equipment continues to improve, but it also faces the new problem of ineffective interconnection between equipment with large mining heights, which seriously affects the efficiency of collaboration. However, in the intelligent centralized control technology of large mining height over 8m, it is still blank at present, and there is no successful experience for reference. In order to ensure the high-yield, high-efficiency, continuous and orderly production process of the fully mechanized mining face with large mining height, an intelligent control system of large-height fully mechanized mining face equipment was developed. The system is based on Ethernet/IP real-time industrial Ethernet bus protocol, and according to the operation and communication characteristics of the fully mechanized mining equipment with large mining heights, a unified and efficient communication protocol standard for fully mechanized mining equipment is constructed, and a unified server, storage and data interface standard is established. Three control platforms, namely, centralized control room of monorail crane, centralized control room of shifting train and ground intelligent expert decision-making platform, are unified to realize the function of monitoring and data interaction of the whole working face equipment, and reduce the learning difficulty of platform operation. The two-layer control mode and the master-slave redundancy control scheme are adopted to ensure the stability and consistency of data and improve the overall control efficiency of the system. According to the characteristics of the work and production environment of the fully mechanized mining equipment, the shearer linkage control, three-machine linkage control, support, and pump station linkage control are realized to improve the efficiency of collaboration between equipment;the centralized control and cooperative control function of the system can realize the one-click start-stop and cooperative operation of fully mechanized mining equipment with large mining heights. The intelligent analysis expert decision-making system stores and analyzes the law of the historical data of the equipment in the working face, and introduces the expert experience rules and expert diagnosis knowledge base to construct the closed-loop decision-making and guide the production of the working face.