A New Observer Design Method for HF Signal Injection Sensorless Control of IPMSMs
Sung-Yeol Kim; In-Joong Ha
Industrial Electronics, IEEE Transactions on
Volume 55, Issue 6, June 2008 Page(s):2525 - 2529
Digital Object Identifier   10.1109/TIE.2008.921469
Summary:We present a systematic approach to the design of an observer for rotor position and velocity of interior permanent magnet synchronous motors without rotational transducers, in which the effects of both motor and filter dynamics are taken into full account. The proposed observer can be incorporated directly into the well-known high-frequency voltage injection methods.

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