Sensorless initial rotor position estimation of surface permanent-magnet synchronous motor
作者： I. Miki , Y. Inagaki , S. Nakashima
DOI: 10.1109/28.887211
关键词: Permanent magnet synchronous generator 、 Wound rotor motor 、 Physics 、 Rotor (electric) 、 Control theory 、 Squirrel-cage rotor 、 Stator 、 Synchronous motor 、 AC motor 、 Induction motor
摘要: This paper presents a method of estimating the initial rotor position surface permanent-magnet synchronous motor without sensor. The estimation is performed by using nonlinear magnetization characteristics stator core caused magnet rotor. based on principle that d-axis current value for voltage vector applied to under some conditions increases as generated from inverter approaches N pole During process, practically at standstill. experimental results show average error /spl plusmn/3.8 electrical degrees.
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