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Looking to expand the storage of your computer? CNET's top picks of the best external hard drives and SSDs are worth your cash. Executive Editor David Carnoy has been a leading member of CNET's ...

To understand the role of the servo drive in a servo system, you must first understand the other components the servo system depends on to make a movement. Servo systems include four main parts ...

Abstract: In this paper, to improve the speed control performance of PMSM direct drive servo systems under low-speed operation, a composite control strategy based on rotor position tracking (RPTC) and ...