Title :
Sensorless DTC of induction machines with complete core loss compensation
Author :
Pham-Dinh, T. ; Levi, E.
Author_Institution :
Liverpool John Moores Univ., UK
Abstract :
The paper discusses impact of core loss on sensorless direct torque control (DTC) of an induction motor and develops a modified DTC scheme with full core loss compensation. Core loss is compensated in both the process of torque estimation and speed estimation. A novel modified speed estimator of MRAC type is developed for that purpose. The proposed compensated DTC scheme is verified by simulation.
Keywords :
induction motors; machine control; magnetic cores; magnetic leakage; model reference adaptive control systems; parameter estimation; torque control; MRAC type modified speed estimator; core loss compensation; induction motor; modified DTC scheme; sensorless direct torque control; speed estimation; torque estimation;
Conference_Titel :
Power Electronics, Machines and Drives, 2002. International Conference on (Conf. Publ. No. 487)
Print_ISBN :
0-85296-747-0
DOI :
10.1049/cp:20020096
