A rotor position and speed observer for permanent-magnet motors with nonsinusoidal EMF waveform

被引：21
作者：
De Angelo, C [1 ]
Bossio, G
Solsona, J
García, GO
Valla, MI
机构：
[1] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
[2] Univ Nacl Rio Cuarto, GEA, Fac Ingn, Rio Cuarto, Argentina
[3] Univ Nacl Sur, Dept Ingn Elect & Comp, Inst Invest Ingn Elect Alfredo Desages, RA-8000 Bahia Blanca, Buenos Aires, Argentina
[4] Natl Univ La Plata, LEICI, Dept Electrotecn, Fac Ingn, RA-1900 La Plata, Argentina
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2005年 / 52卷 / 03期
关键词：
nonlinear estimation; nonsinusoidal electromotive force (EMF) waveform; permanent-magnet motors;
D O I：
10.1109/TIE.2005.847582
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new nonlinear reduced-order observer to estimate the rotor speed and position for permanent-magnet motors, with arbitrary electromotive force (EMF) waveform, is presented. The proposed observer is suitable for the realization of a torque control with minimum torque ripple. In order to implement the observer, the EMF generated by the motor is first obtained experimentally offline. After that, it is approximated by a Fourier series in order to develop the model to be used in the online estimation. From the estimated EMF, rotor position and speed are calculated using the relationship between the EMF and the rotor variables. The proposal is validated with experimental results.
引用
收藏
页码：807 / 813
页数：7
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