Design of Intelligent Control Scheme for Scraper Conveyor
In response to the problems of poor dynamic response performance,low speed regulation accuracy,and multi motor power imbalance in the control system of the scraper conveyor,the zero beat direct torque control technology and circular cross coupling control technology are introduced into the scraper conveyor control system.A PMSM discrete mathematical model is established to predict the optimal space voltage vector,and the corresponding inverter switch sequence is obtained using SVPWM to achieve DB-DTFC control.Three closed-loop speed settings are coupled and compensated with each other to achieve power balance of multiple motors at the head and tail of the machine.Build a simulation model of the scraper conveyor control system to verify the effectiveness of the proposed control algorithm.The results show that the use of the proposed control algorithm can improve the dynamic response performance and speed control accuracy of the scraper conveyor,achieve multi motor power balance,and ensure the safe,continuous,and smooth operation of the scraper conveyor.
scraper conveyorPMSMdeadbeat direct torque controlpower balanceCAN communication
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