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Newly-developed sophisticated controllers for motors are analyzed while in the R&D phase or in the process of market launching. The technical concepts and applications behind the development logic of the technology are discussed, with focus on interior magnet AC motors, switched reluctance motors, and synchronous reluctance motors. They demonstrate the application of modern electronics for improving the performance of all motor types., This article comments on one or two aspects of motor/drive technology that are still in the R&D phase or emerging into commercial production. Starting with the induction motor, it analyzes [...]