“Microcontroller Implementation of Direct Torque Control”, International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, Vol. 18, pp. 85-94, UK.
• 2005
Publication Information
Authors
A. A. Mahfouz, G. M. Sarhan, and A. A. Nafeh
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publication.type
Local
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Abstract
The switching frequency of a conventional direct torque control (DTC) strategy which is based on hysteresis controllers results in a variable switching frequency which depends on the mechanical speed, stator flux, stator voltage, and the hysteresis band of the comparator. In this paper, a DTC scheme using space vector modulator (SVM) and fuzzy logic controller (FLC) is suggested. A comparison with the classical DTC is presented. The suggested control strategy guarantees very good dynamic and steady state characteristics with low sampling rate and a constant switching frequency. The experimental results are presented to validate the scheme
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