Title :
Iterative learning control for variable frequency drives
Author :
Ben-Brahim, Lazhar
Author_Institution :
Coll. of Eng., Univ. of Qatar, Doha
Abstract :
Variable frequency drives (VFD) are subject to various types of disturbances especially cyclical ones. These periodic disturbances are difficult to compensate by conventional controllers. Repetitive control can only compensate for constant frequency fluctuations. PWM inverter based VFDs are subject to periodic disturbances with variable frequency. In this paper, a new angle domain based iterative learning controller (ILC) is proposed to compensate for the variable frequency disturbances.
Keywords :
PWM invertors; adaptive control; electric drives; iterative methods; learning systems; machine control; PWM inverter; constant frequency fluctuations; iterative learning control; periodic disturbances; repetitive control; variable frequency disturbances; variable frequency drives; Control systems; Control theory; Delay effects; Drives; Error correction; Feedback; Fluctuations; Frequency; Pulse width modulation inverters; Radio control;
Conference_Titel :
Power Electronics Specialists Conference, 2008. PESC 2008. IEEE
Conference_Location :
Rhodes
Print_ISBN :
978-1-4244-1667-7
Electronic_ISBN :
0275-9306
DOI :
10.1109/PESC.2008.4591998
