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Surface-mounted permanent magnet (SMPM) ma chines have been proposed in which multiple magnet grades are used to shape the airgap flux density distribution to reduce torque ripple and vibration. A simple application of this concept is to mix permanent magnets of different grade but equal depth in a modular permanent-magnet pole arrangement (MPMP). In this work, the idea of combining multiple magnet...
One of the problems pertaining to model predictive control (MPC) of a motor drive system is choosing the weighting factors in the cost function. The prevalent approach to obtain the weighting factors is an empirical method. The weighting factors chosen by this method are always fixed and designed based on a single operating point. Therefore, the designed weighting factors are not suitable for the...
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