Title :
Hybrid I-f Starting and Observer-Based Sensorless Control of Single-Phase BLDC-PM Motor Drives
Author :
Iepure, Liviu Ioan ; Boldea, Ion ; Blaabjerg, Frede
Author_Institution :
AVL Trimerics GmbH, Filderstadt, Germany
Abstract :
A motion sensorless control for single-phase permanent magnet brushless dc motor based on an I-f starting sequence and a real-time permanent magnet flux estimation is proposed here. The special calculation for extracting the position and speed used here implies the generating of an orthogonal flux system, the atan2 trigonometric function, and a phase-locked loop observer. The influence of the permanent magnet flux harmonic content is presented by analytical expressions and digital simulations. The proposed sensorless control is validated by complete experimental results on a commercial small high-speed blower-motor (40 W, 10 krpm, 12 Vdc).
Keywords :
DC motor drives; brushless DC motors; digital simulation; magnetic flux; motion control; observers; permanent magnet motors; phase locked loops; sensorless machine control; atan2 trigonometric function; commercial small high-speed blower-motor; digital simulation; hybrid I-f starting sequence; orthogonal flux system; permanent magnet flux harmonic content; phase-locked loop observer-based motion sensorless control; position extraction; real-time permanent magnet flux estimation; single-phase BLDC-PM motor drive; single-phase permanent magnet brushless dc motor; speed extraction; Observers; Phase locked loops; Rotors; Sensorless control; Shape; Torque; Voltage measurement; Orthogonal flux system; permanent magnet brushless dc (PM-BLDC); phase-locked loop (PLL) observer; sensorless control;
Journal_Title :
Industrial Electronics, IEEE Transactions on
DOI :
10.1109/TIE.2011.2172176
