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Rotor position and speed estimation for PMSM(PDF)

[ISSN:1007-449X/CN:23-1 408/TM]

Issue:
2009年05
Page:
690-694
Research Field:
Publishing date:

Info

Title:
Rotor position and speed estimation for PMSM
Author(s):
LIU Jia-xi; LI Tie-cai; YANG Gui-jie
Department of Electrical Engineering; Harbin Institute of Technology; Harbin 150001; China
Keywords:
permanent magnet synchronous motors sensorless sliding mode observer phase lock loop
PACS:
TM341
DOI:
-
Abstract:
For traditional sensorless algorithm of permanent magnet synchronous motor(PMSM) is of complexity and disturbance,a novel way to estimate the rotor position and speed of PMSM based on sliding mode observer(SMO) is presented.Through estimating the electromotive force(EMF) in the stationary reference frame,the rotor position and speed were gained by the phase lock loop(PLL),which were contained in the EMF;and this method compensated for the phase lag caused by the angle estimation.Then a Lyapunov function was...

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Last Update: 2010-05-27