Open AccessStability Control and Mode Shift of Ramp Compensation in V 2 Controlled Buck Converter
Author(s) -
He Shengzhong,
Xu Jianping,
Zhou Guohua,
Bao Bocheng,
Yan Tiesheng
Publication year - 2015
Publication title -
chinese journal of electronics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.267
H-Index - 25
eISSN - 2075-5597
pISSN - 1022-4653
DOI - 10.1049/cje.2015.04.011
Subject(s) - compensation (psychology) , control theory (sociology) , mode (computer interface) , stability (learning theory) , buck converter , control (management) , physics , computer science , thermodynamics , psychology , power (physics) , social psychology , artificial intelligence , machine learning , operating system
V 2 controlled buck converter with ramp compensation is studied, its two border voltages are derived and one‐dimensional discrete‐time model is established, upon which the dynamical effect of V 2 control technique on stability control and mode shift of V 2 controlled buck converter with ramp compensation is studied by using the bifurcation diagram, Lyapunov exponent spectrum, and parameter space map. The research results verified by simulation and experimental measurements indicate that by utilizing ramp compensation, V 2 controlled buck converter can not only shift its operation mode from discontinuous conduction mode to continuous conduction mode, but also effectively stabilize its operation state from unstable subharmonic oscillation to stable periodic state.