Analysis and Design of a Position Observer with Resistance Adaptation for Synchronous Reluctance Motor Drives

被引：0
|
作者：
Tuovinen, Toni [1 ]
Hinkkanen, Marko [1 ]
Luomi, Jorma [1 ]
机构：
[1] Aalto Univ, Sch Elect Engn, Dept Elect Engn, FI-00076 Aalto, Finland
来源：
2011 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2011年
关键词：
Observer; stability conditions; speed sensorless; stator resistance estimation; ORIENTED VECTOR CONTROL; SENSORLESS CONTROL;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A back-EMF-based reduced-order position observer with stator-resistance adaptation is analyzed for motion-sensorless synchronous reluctance motor drives. Analytical equations for steady-state estimation errors and stability conditions are derived (with and without resistance adaptation), taking into account errors in the parameter estimates. The effect of the observer gain on the noise reduction is studied by means of eigenvector analysis. A robust gain selection is proposed, which maximizes the allowed uncertainties in the parameter estimates. The proposed observer design is experimentally evaluated using a 6.7-kW synchronous reluctance motor drive; stable operation is demonstrated at low speeds under various parameter errors.
引用
收藏
页码：88 / 95
页数：8
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