Real-time PMSM rotor position estimator based on virtual HF injection method (VHFIM)

The paper deals with real-time estimation of PMSM rotor position, which is based on the new, virtual HF injection signal method. The main idea of that is subtraction of virtual injection voltage from real stator voltage. This voltage is acting on PMSM model and causes a virtual current response. Aft...

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Bibliographic Details
Main Authors: Dobrucky, B., Filka, R., Spanik, P., Zigmund, B.
Format: Conference Proceeding
Language:English
Subjects:
Current measurement
Filtering
Frequency
Hafnium
Inverters
Mechanical sensors
Mechatronics
Modeling
Position estimation
Real time processing
Rotors
Self-sensing control
Sensorless control
Stators
Voltage
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Description
Summary:The paper deals with real-time estimation of PMSM rotor position, which is based on the new, virtual HF injection signal method. The main idea of that is subtraction of virtual injection voltage from real stator voltage. This voltage is acting on PMSM model and causes a virtual current response. After subtraction of acting model current from measured real stator current we obtain the virtual HF injection current signal, suitable for filtering and extracting of rotor position. On the end of the paper the simulation results of rotor position determination are given
DOI:10.1109/EPE.2005.219261