公开(公告)号：US20110089876A1

公开(公告)日：2011-04-21

申请号：US12582562

申请日：2009-10-20

Applicant: NITINKUMAR R. PATEL ,  TIM M. GREWE ,  YO CHAN SON

Inventor： NITINKUMAR R. PATEL ,  TIM M. GREWE ,  YO CHAN SON

IPC: H02P6/18

CPC classification number: H02P21/04 ,  B60L3/0038 ,  B60L3/06 ,  H02P21/24 ,  H02P29/032 ,  Y02T10/643

Abstract: A method is provided for operation of an internal permanent magnet motor having a rotor. The method includes determining whether a neutral point access signal is received from the rotor and operating the internal permanent magnet motor using sensorless signals corresponding to a rotor position and a rotor speed of the rotor derived by a first sensorless signal estimation method when the neutral point access signal is received from the rotor, wherein the first sensorless signal estimation method utilizes the neutral point access signal to generate the rotor position and the rotor speed. The method further includes operating the internal permanent magnet motor using sensorless signals corresponding to a rotor position and a rotor speed of the rotor derived by a second sensorless signal estimation method when the neutral point access signal is not received from the rotor, wherein the second sensorless signal estimation method does not utilize the neutral point access signal to generate the rotor position and the rotor speed.

Abstract translation: 提供一种用于具有转子的内部永磁电动机的操作的方法。 该方法包括：当中性点访问时，确定是否从转子接收到中性点访问信号，并使用与转子位置相对应的无传感器信号和由第一无传感器信号估计方法获得的转子的转子速度来操作内部永磁电动机 信号从转子接收，其中第一无传感器信号估计方法利用中性点存取信号产生转子位置和转子速度。 该方法还包括当没有从转子接收到中性点存取信号时，使用与转子位置相对应的无转速信号和由第二无传感器信号估计方法导出的转子的转子速度来操作内部永磁电动机，其中第二无传感器 信号估计方法不利用中性点存取信号产生转子位置和转子转速。