Title :
Dynamic Model of One-Cycle control for converters operating in CCM and DCM
Author :
Egiziano, L. ; Femia, N. ; Fortunato, M. ; Petrone, G. ; Spagnuolo, G. ; Vitelli, M.
Author_Institution :
DIIIE, Salerno Univ.
Abstract :
In this paper a new model of one-cycle control is proposed; it is valid, both in CCM and DCM, for frequencies up to half the switching frequency. The new model is obtained by using the sampled-data modeling combined with the usual small-signal linearization of the average model of the converter power stage. All of the main dynamic characteristics of one-cycle control are correctly predicted by the proposed model; the reference-to-output transfer function of the system is also given. The theoretical predictions are confirmed by the results of suitable numerical simulations and laboratory experiments on a one-cycle controlled buck switching converter operating both in CCM and DCM
Keywords :
linearisation techniques; nonlinear control systems; sampled data systems; switching convertors; transfer functions; CCM; DCM; buck switching converter; discontinuous conduction mode; nonlinear control technique; one-cycle control; reference-to-output transfer function; sampled-data modeling; small-signal linearization; Control systems; Filters; Force control; Frequency; Mathematical model; Numerical simulation; Power system modeling; Predictive models; Switching converters; Voltage control;
Conference_Titel :
IEEE Industrial Electronics, IECON 2006 - 32nd Annual Conference on
Conference_Location :
Paris
Print_ISBN :
1-4244-0390-1
DOI :
10.1109/IECON.2006.347795
