Inter-Stator Synchronous Combined Method Based on SVM-DTC for Primary Winding Discontinuous PMLSM

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The thesis puts forward an inter-stator synchronous combined control algorithm based on Space Vector Modulation Direct Thrust Control (SVM-DTC), which can overcome the difficulties of conventional SVM-DTC method applied in PWD-PMLSM. Because the electromagnetic parameters of the motor will change significantly when the shuttle pass through the junction of the two stators. Therefore, it must process the two stators flux linkage and thrust simultaneously. Theoretical analysis illustrates that this algorithm not only maintains high-transient response of DTC but also minimizes the inherent problems of thrust ripple in DTC. Ultimately, the simulation shows this method presents the favorable effects of the transient and steady state including excellent thrust stability in the process of shuttle transits between stators.

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1394-1400

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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