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Electric motors are often at the spearhead of modern production systems, whether in metal processing lines, robotic machining cells, or building and office automation systems. The motors we see today have certainly benefited from advances in electric materials, manufacturing efficiencies, and analytical tools. However, their design principles have remained the same for over 100 years in the case of the workhorse asynchronous (or induction) alternating current (AC) motor. Rather, the remarkable p ...