An Optimization Algorithm for Direct Torque Control of Industrial Robot Servo Motors.

To solve the problem of complexly modeling control system in the conventional, a method for direct torque control driving system of industrial robot asynchronous motor is proposed based on MATLAB/Simulink by employing the space vector pulse width modulation (SVPWM). The structure and blocking modeling method are employed. Meanwhile, the stator flux linkage control of the principle of direct torque control (DTC) system is analyzed and improved. Finally, through MATLAB/Simulink simulation, the effectiveness of the algorithm is verified. Simulation results show that the introduction of space vector modulation combined with direct torque control (SVM_DTC) control system model achieve good control effect and make the magnetic linkage more accurate. [ABSTRACT FROM AUTHOR]