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Improving the Torque Ripple in DTC of PMSM Using Fuzzy Logic

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2 Author(s)
Soliman, H. ; Dept. of Electr. Power & Machines, Ain Shams Univ., Cairo ; Elbuluk, M.E.

This paper presents a method for improving the torque ripple in permanent magnet synchronous motor (PMSM) drives under direct torque control (DTC) using a fuzzy logic controller (FLC). A DTC PMSM drive using conventional two and three states of torque error, and a FLC were simulated using the SimuLink package. The results showed that the DTC/FLC gives a better dynamic performance, regarding torque and flux ripples, and speed performance when compared with the conventional DTC that has two and three-level hysteresis torque controllers.

Published in:

Industry Applications Society Annual Meeting, 2008. IAS '08. IEEE

Date of Conference:

5-9 Oct. 2008