Facta universitatis - series: Electronics and Energetics 2012 Volume 25, Issue 1, Pages: 69-80
https://doi.org/10.2298/FUEE1201069M
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Input-output based quasi-sliding mode control of DC-DC converter
Mitić Darko (Faculty of Electronic Engineering, Department of Control Systems, Niš)
Antić Dragan (Faculty of Electronic Engineering, Department of Control Systems, Niš)
Milojković Marko 
(Faculty of Electronic Engineering, Department of Control Systems, Niš)
Nikolić Saša (Faculty of Electronic Engineering, Department of Control Systems, Niš)
Perić Staniša (Faculty of Electronic Engineering, Department of Control Systems, Niš)
The paper presents the design of discrete-time quasi-sliding mode voltage
controller for DC-DC buck converter. The control algorithm is realized by
measuring only sensed output voltage. No current measurements and time
derivatives of output voltage are necessary. The proposed quasi-sliding mode
controller provides stable output voltage, exhibiting robustness to parameter
and load variations.
Keywords: buck converter, discrete-time sliding mode, input-output measurements, minimum variance, PWM