Open AccessIndirect output voltage regulation of DC–DC buck/boost converter operating in continuous and discontinuous conduction modes using adaptive backstepping approach
Author(s) -
Salimi Mahdi,
Soltani Jafar,
Markadeh Gholamreza Arab,
Abjadi Navid Reza
Publication year - 2013
Publication title -
iet power electronics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.637
H-Index - 77
eISSN - 1755-4543
pISSN - 1755-4535
DOI - 10.1049/iet-pel.2012.0198
Subject(s) - control theory (sociology) , inductor , backstepping , buck converter , boost converter , controller (irrigation) , voltage , buck–boost converter , computer science , ćuk converter , adaptive control , engineering , control (management) , electrical engineering , agronomy , artificial intelligence , biology
In this study, an adaptive non‐linear controller is designed for DC–DC buck/boost converter which is robust and stable against converter load changes, input voltage variations and parameter uncertainties. The proposed controller is developed based on input–output linearisation using an adaptive backstepping approach. The controller can be applied in both continuous and discontinuous conduction modes (CCM and DCM). Owing to non‐minimum phase nature of buck/boost converter, the output voltage of this converter is indirectly controlled by tracking the inductor reference current. The inductor reference current is generated by a conventional PI controller. Using a MATLAB/Simulink toolbox and a stand‐alone TMS320F2810 digital signal processor from Texas Instruments, some simulations and practical results are presented to verify the capability and effectiveness of the proposed control approach.