基于余弦函数的无传感器永磁风机IF起动平滑切换方法

陈同有,杨家强,郑仕达,孟德智,康敏

IF starting smooth switching method of sensorless permanent magnet fan based on cosine function

Tong-you CHEN,Jia-qiang YANG,Shi-da ZHENG,De-zhi MENG,Min KANG

图 6 IF开环控制角和磁链观测器估计角的相位关系图

Fig.6 Phase relationship diagram between IF open loop control angle and flux observer estimated angle