Use of a matrix converter to enhance the sensorless control of a surface-mount permanent-magnet AC motor at zero and low frequency
Arias, A.; Silva, C.A.; Asher, G.M.; Clare, J.C.; Wheeler, P.W.
Industrial Electronics, IEEE Transactions on
Volume 53, Issue 2, April 2006 Page(s): 440 - 449
Digital Object Identifier   10.1109/TIE.2006.870870
Summary: This paper addresses the use of a matrix converter (MC) with high-frequency voltage injection for zero- and low-speed sensorless control of surface mount permanent magnet alternating current motors. This paper also proposes a dual compensation technique that can practically eliminate zero-current-crossing distortions in MCs, discusses the effect of such distortions on sensorless control using injection techniques, and presents experimental results that illustrate the enhanced low-speed sensorless performance that can be obtained from exploiting the effective linearity of the MC operation.

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