无位置传感器无刷直流电机三闭环控制系统倪有源;陈浩;何强;葛木明机械制图标题栏【摘 要】To minimize the torque ripple of a position sensorless brushless DC (BLDC) motor,on the basis of a traditional] speed and current control,a closed-loop powe
1、cell grown to stationary phase in 100mL of YM medium.2、protoplast preparation.3、Collected by centrifugation,washed twice with 50mM EDTA pH7.5 and suspended in 1mL by the 50mM EDTA .4、This suspension