公开(公告)号：US06437526B1

公开(公告)日：2002-08-20

申请号：US09657887

申请日：2000-09-08

申请人： Benoit Derouane ,  Sunil Keshava Murthy ,  Tomy Sebastian ,  Buyun Liu

发明人： Benoit Derouane ,  Sunil Keshava Murthy ,  Tomy Sebastian ,  Buyun Liu

IPC分类号： H02K2908

CPC分类号： B62D5/046 ,  H02K29/08 ,  H02P6/10

摘要： A system for reducing torque ripple in an electric motor, comprising an electric motor having a stator and a rotor, a first set of N Hall sensors, a second set of N Hall sensors, a controller, and wherein said N Hall sensors in each said set of Hall sensors is spaced 360/N electrical degrees apart and said first and second sets of Hall sensors are spaced T electrical degrees apart, and wherein said controller is adapted to provide increased current during an overlap period detected by said Hall sensors.

摘要翻译： 一种用于减小电动机中的转矩波动的系统，包括具有定子和转子的电动机，第一组N个霍尔传感器，第二组N个霍尔传感器，一个控制器，并且其中每个所述的N个霍尔传感器 霍尔传感器组间隔开360 / N电角度，所述第一组霍尔传感器和第二组霍尔传感器间隔开T电度，并且其中所述控制器适于在由所述霍尔传感器检测到的重叠周期期间提供增加的电流。