Deadbeat Direct Torque Control of Permanent Magnet Synchronous Motor Using Look-up Table

Xian Xing Liu; Na Fu

doi:10.4028/www.scientific.net/AMM.220-223.631

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223Deadbeat Direct Torque Control of Permanent Magnet...

Deadbeat Direct Torque Control of Permanent Magnet Synchronous Motor Using Look-up Table

Abstract:

A new scheme of deadbeat direct torque control (DTC) of surface permanent magnet synchronous motor (SPM) is proposed in this paper. The main ideal is choosing the reference voltage vector in two phase stator reference frame previously and real-time calculating the pulse width of the reference voltage vector which diminish the error of torque. With the new scheme, the torque ripples were greatly reduced when compared with those of the basic DTC and the quick dynamic torque response of the basic DTC was still retained. Fixed switching frequency at different operating conditions becomes possible by this new structure. Simulation results verify the correctness and feasibility of this method.

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

631-634

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.631

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Online since:

November 2012

Authors:

Xian Xing Liu, Na Fu

Keywords:

Dead-Beat, Direct Torque Control (DTC), Flux and Torque Ripples, Surface Permanent Magnet Synchronous Motor

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