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This paper presents a comprehensive analysis of the direct torque and flux control (DTFC) scheme for interior permanent magnet synchronous motor (IPMSM) drives. Closed-loop regulation of the torque and stator flux linkage are achieved via two independent proportional-integral (PI) controllers. The reference voltage vectors are generated by a space vector modulation (SVM) unit. A mathematical analysis...
To improve the outputting performance of conventional direct torque control (DTC) system for interior permanent magnet synchronous motor (IPMSM), a new synthesizing DTC method was presented in this paper, which adopted fuzzy controller and auto-tuning proportional-integral (PI) compensator to reduce the flux and torque ripples. The improvement of motor performance by proposed schemes was analyzed...
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