| 摘要 |
IN A HIGH-SPEED REGION OF A BRUSHLESS DC MOTOR (103) CONTROLLED BY AN INDUCED VOLTAGE FEEDBACK, THE TIMING OF STABLY SWITCHING METHODS OF DETECTING THE INDUCED VOLTAGE IS DETERMINED, AND A SWITCHING OF CONTROL PARAMETERS AT A TIME OF SWITCHING BETWEEN THE FIRST AND SECOND REGIONS (1,2) IS IN AGREEMENT WITH THE SWITCHING OF THE METHOD OF DETECTING THE INDUCED VOLTAGE, AND METHODS OF CALCULATING THE REVOLUTION NUMBER ARE PROVIDED SO THAT HIGH-SPEED PERFORMANCE CAN BE ENSURED.
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