Title :
Flux position estimation using current derivatives for the sensorless control of AC machines
Author :
Bartolo, James Borg ; STAINES, Cyril SPITERI ; CARUANA, Cedric
Author_Institution :
Dept. of Ind. Electr. Power Conversion, Univ. of Malta, Msida
Abstract :
This paper considers the general principles of saliency tracking in AC machines. Special attention is given to pulse type injection for the extraction of a rotor or flux position signal. The saliency is tracked by measuring the current derivative resulting from voltage ´test´ vector application. Results show tracking of ´saturation´ saliency on a standard induction motor to be used for sensorless control of AC machines in the low and zero speed region.
Keywords :
electric current measurement; induction motors; machine vector control; AC machine sensorless control; current derivative measurement; flux position estimation; standard induction motor; voltage test vector application; AC machines; Bars; Induction machines; Induction motors; Rotors; Sensorless control; Stator windings; Teeth; Testing; Torque control; Current Derivative; Saturation Saliency; Sensorless Control;
Conference_Titel :
Communications, Control and Signal Processing, 2008. ISCCSP 2008. 3rd International Symposium on
Conference_Location :
St Julians
Print_ISBN :
978-1-4244-1687-5
Electronic_ISBN :
978-1-4244-1688-2
DOI :
10.1109/ISCCSP.2008.4537459
