Encoderless position estimation of a squirrel cage synchronous reluctance machine

被引：0
|
作者：
Kusch, R [1 ]
Naunin, D [1 ]
Lorenz, RD [1 ]
机构：
[1] Tech Univ Berlin, Dept Elect Engn & Comp Sci, D-10587 Berlin, Germany
来源：
IECON'03: THE 29TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1 - 3, PROCEEDINGS | 2003年
关键词：
saliency tracking; synchronous reluctance machines; low speed; decimation; CIC filter; fixed-point DSP;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Position sensorless control for a commercially available squirrel cage synchronous reluctance machine is presented. The contributions of this paper are twofold. First encoderless position estimation for a squirrel cage synchronous reluctance machine using high frequency carrier signal injection is shown. The estimation accuracy and dynamic properties in particular at low speed have been investigated. Experimental results of a robust position estimation with a 4kW SyncRM are given. Second, a rather general approach to increase the SNR for small and noisy signal is presented. Especially for machines without a distinct saliency image, the low signal-to-noise ratio is problematic. Extract the desired signal and distinguish from unwanted frequencies is a precarious issue.
引用
收藏
页码：1038 / 1043
页数：6
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