基于自适应有限时间扰动观测器的表贴式永磁同步电机无传感器驱动

In this article, an adaptive finite time disturbance observer (FTDO)-based position sensorless drive method is proposed to improve the position and speed observation performance of surface-mounted permanent magnet synchronous motor (SPMSM). First, to observe system disturbance in a finite time, an adaptive FTDO is proposed by designing an adaptive law and combining it with a fixed time sliding sur...