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When permanent magnet synchronous motors (PMSMs) are driven in the ultra-high-speed region, it is necessary to shorten the control period because of the increase in the motor fundamental frequency. Reducing calculation amounts of drive system control for shorter control period is easily applied to applications because it requires simply changing the control software. This paper proposes a calculation...
This paper discusses effects of short control period on control characteristics in an ultra-high-speed permanent magnet synchronous motor (PMSM) drive system based on direct torque control (DTC). High-performance control in ultra-high-speed region requires fast response time of control system and also short computation time. The DTC-based drive system has several advantages, including simple structure...
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