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Rare earth magnets of high-energy products have been widely used to improve the efficiency, as well as the power and torque per unit weight, of permanent magnet machines. In addition to limited resources and high prices, the rare earth magnet may risk irreversible demagnetization during field weakening or malfunctioning in machine operation. To solve this problem, this research investigates the anti-demagnetization...
Rare-earth magnets of high-energy products have been widely used to improve the efficiency, as well as the power and torque per unit weight, of permanent-magnet machines. In addition to the drawbacks of limited resources and high prices, the rare-earth magnet may risk irreversible demagnetization during field weakening or malfunctioning in machine operation. To solve this problem, we investigate the...
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