Performance of fuzzy controller based three level direct torque control fed IPMSM

ISSN: 22498958
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The paper presents a direct torque control (DTC) of Interior Permanent Magnet Synchronous Motor (IPMSM) drive that involves a multilevel inverter. The proposed control drive is described as the comparative study between Fuzzy controller and PI controller based three level diode clamped inverter fed DTC strategy of IPMSM. The key factor of the control technique is implemented using three level diode clamped inverter with adoption of space vector pulse width modulation topology. Moreover, the control scheme is achieved to improve the problem of balancing capacitor voltage with SVPWM. The complete proposed system developed in SIMULINK/MATLAB orientation. However, the three level DTC of IPMSM with conventional PI controller is despite the poor transient performances during the step changes of the speed with various load disturbances and reversal speed conditions. In addition, the amplitude of flux and torque oscillations are not accomplished satisfactory with traditional controller. The proposed three level diode clamped inverter drive of PI controller is replaced by intelligent Fuzzy logic controller. Further, the obtained numerical results of fuzzy controller of DTC for IPMSM are validated and compared with the DTC of IPMSM using PI speed controller at different speed and load conditions. In fact, the proposed DTC algorithm with fuzzy controller performances demonstrates the efficacy of drive in view of a dynamic response, considerably low distortions of flux and torque and less THD in stator current and voltages.




Kiran Kumar, D., & Tulasi Ram Das, G. (2019). Performance of fuzzy controller based three level direct torque control fed IPMSM. International Journal of Engineering and Advanced Technology, 8(3), 94–100.

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