Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Variable Structure - Open Access Library Journal

OALibJ > Vol.6 No.9, September 2019

Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Variable Structure ()

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DOI: 10.4236/oalib.1105758 586 Downloads 2,183 Views Citations

Author(s)

Yufeng Luo, Gongquan Tan, Chang Su

Affiliation(s)

School of Automation and Information Engineering, Sichuan University of Science & Engineering, Yibin, China.

ABSTRACT

In order to solve the problem of large torque and flux ripple in the traditional direct torque control of permanent magnet synchronous motor, Super-Twisting sliding mode variable structure control strategy is adopted. Under the dl coor-dinate system, the torque and flux controller is designed. In the direct torque control, the problem of speed overshoot and considerable fluctuation during PI control is adopted. The synovial speed controller is designed, and the space vector pulse width modulation technology (SVPWM) is adopted to stabilize the inverter switching frequency. The simulation results demonstrate that the method can effectively reduce the torque and flux linkage and accelerate the system response.

KEYWORDS

Permanent Magnet Synchronous Motor, Direct Torque Control, Sliding Mode Variable Structure, Space Vector Pulse Width Modulation Technology

Share and Cite:

Luo, Y. , Tan, G. and Su, C. (2019) Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Variable Structure. Open Access Library Journal, 6, 1-10. doi: 10.4236/oalib.1105758.

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