基于霍尔效应模拟采样的永磁电机在线退磁故障识别

The online demagnetization recognition for permanent magnet motors is of significance but hard for the practical application. To this end, an online fault recognition method is proposed by using analog Hall sensors for the electromagnetic signals. First, a magnetic flux density is reconstructed with the three-dimensional finite element analysis model and sampled signals. Then, the magnetic signal ...