Research on Frequency Conversion Control System Based on High-Performance Intelligent Electric Drive Tunnel Boring Machine

This project takes the electromechanical hydraulic servo system of full section roadway excavation as the research object to study its dynamic characteristics and the relationship between it and external disturbance. This paper mainly discusses the automatic control of mine boring machine by soft starting technology of frequency converter. The connection between PLC and variable frequency speed regulating device is explained in detail. On this basis, an integrated sliding mode controller based on integral chain differentiator is adopted to further improve the stability and stability of the system. AMESIM software and MATLAB software are used to simulate the controller comprehensively, so that the controller can be better applied to practice. Experimental results show that the model proposed in this paper can predict the uncertainty in the model, and modify the model, so that the accuracy of the model is obviously improved.