基于在线多参数估计的内置式永磁同步电机无传感器驱动位置观测误差校正分析方法

Accurate position observation in interior permanent magnet synchronous motors (IPMSMs) model-based sensorless drive relies on the precision of model parameters. This article first derives an analytical function that quantitatively relates position observation error to mismatches in multiple model parameters and the current lead angle in one unified equation. The position error mechanism highlights...