Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13264
Title: Control of bifurcation in current-programmed DC/DC converters : an alternative viewpoint of ramp compensation
Authors: Tse, CK 
Lai, YM 
Chow, MHL 
Issue Date: 2000
Source: IECON Proceedings (Industrial Electronics Conference), 2000, v. 4, p. 2413-2418 How to cite?
Abstract: This paper reexamines the conventional current-mode control strategy as applied to dc/dc converters in the light of "avoiding bifurcation". This alternative viewpoint permits convenient selection of parameter values to guarantee stable operation. Slope compensation is viewed as a means to keep the system sufficiently remote from the first bifurcation point. It is shown that excessive bifurcation clearance is accompanied by undesirably slow dynamical response. A variable ramp compensation is proposed to dynamically adjust the slope magnitude such that the system is kept clear of bifurcation yet responding sufficiently fast during transients. The results have been confirmed by experimental measurements.
Description: 26th Annual Conference of the IEEE Electronics Society IECON 2000, Nagoya, 22-28 October 2000
URI: http://hdl.handle.net/10397/13264
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