Abstract:This paper presents the digital implementation of a Direct Mean Torque Control (DMTC) for AC servo drives. DMTC combines the excellent dynamic performance of the Direct Torque Control (DTC) with the advantages of inherently constant switching frequency and time equidistant control algorithms for suitable digital implementation. The basic idea is to predict the inevitable torque ripple in steady state and match it at the end of the cycle, so that, the mean torque is directly controlled. The criteria on how to p… Show more
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