High-Frequency-Injection-Assisted "Active-Flux"-Based Sensorless Vector Control of Reluctance Synchronous Motors, With Experiments From Zero Speed

被引:93
|
作者
Agarlita, Sorin-Cristian [1 ]
Boldea, Ion [1 ]
Blaabjerg, Frede [2 ]
机构
[1] Univ Politehn Timisoara, Timisoara 300223, Romania
[2] Aalborg Univ, Inst Energy Technol, DK-9220 Aalborg, Denmark
关键词
Reluctance synchronous machine (RSM); rotor position estimation; saliency-based sensorless control; signal injection; DIRECT TORQUE CONTROL; VELOCITY ESTIMATION; INDUCTION MACHINE; POSITION; SATURATION; SUPPRESSION; SALIENCIES; MODULATION;
D O I
10.1109/TIA.2012.2226133
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents a hybrid motion sensorless control of an axially laminated anisotropic reluctance synchronous machine (RSM). The zero- and low-speed sensorless method is a saliency-based high-frequency signal injection technique that uses the motor itself as a resolver. The second method is based on a state observer incorporating the "active-flux" concept used to deliver RSM rotor position and speed information for medium- and high-speed range. Even if both methods perform successfully in separate speed regions, estimation of the two algorithms is combined as a sensor fusion to improve the performance at zero and very low speeds. Experimental results validate the proposed control strategies.
引用
收藏
页码:1931 / 1939
页数:9
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