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直流无刷电机电机转速测量

runpeng wang
Prodigy 213 points


 n=60f/p, 式中：f-供电频率   我看电机转速测量库函数中的意思是

120 * （ISR_FREQUENCY * 1000L /EventPeriod）/poles;

ISR_FREQUENCY * 1000L /EventPeriod为换向频率。我想问一下公式中供电频率f和换向频率是一个意思吗