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 2 IF起动前、后估计d*q*轴与实际dq轴的位置关系
Fig.2 Positional relationship between estimated d*q* axis and actual dq axis before and after IF start