Instantaneous torque estimation in sensorless direct torque controlled brushless DC motors

被引：0
|
作者：
Liu, Y [1 ]
Zhu, ZQ [1 ]
Howe, D [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
Conference Record of the 2005 IEEE Industry Applications Conference, Vols 1-4 | 2005年
关键词：
direct torque control; permanent magnet motor; sliding mode observer; extended Kalman filter;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A key issue in the direct torque control of permanent magnet brushless DC motors is the estimation of the instantaneous electromagnetic torque, while sensorless control is often advantageous. A sliding mode observer is employed to estimate the non-sinusoidal back-emf waveform, and a simplified extended Kalman filter is used to estimate the rotor speed. Both are combined to calculate the instantaneous electromagnetic torque, the effectiveness of this approach being validated by simulations and measurements.
引用
收藏
页码：2140 / 2146
页数：7
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