Analysis of Relationship Between Abnormal Current and Position Detection Error in Sensorless Controller for Interior Permanent-Magnet Brushless DC Motors

We have analyzed the characteristics of terminal voltages used to detect rotor position in interior permanent-magnet (IPM) brushless DC (BLDC) motors in sensorless control by employing a two-phase conduction method. We found that a detected zero crossing point (ZCP) of the open phase voltage advance...

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Veröffentlicht in:	IEEE transactions on magnetics 2008-08, Vol.44 (8), p.2074-2081
Hauptverfasser:	LEE, Dong-Myung, LEE, Woo-Cheol
Format:	Artikel
Sprache:	eng
Schlagworte:	Advance angle Brushless DC motors Brushless motors Cross-disciplinary physics: materials science rheology DC motors Electric potential Error correction Exact sciences and technology interior permanent-magnet motor Magnetism Materials science Mathematical models Motors Other topics in materials science Permanent magnet motors Physics position detection error Position errors Reluctance motors Rotors Scanning probe microscopy Sensorless control Terminals Voltage
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