Simulation Modelling and Advance Control Techniques for DC-DC Converter with Improved Performance
Juni 2017
Sameeksha Shukla, Imran Khan

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DC-DC converters are one of the important electronic circuits, which are widely used in power electronics1-3. The main problem with operation of DC-DC converter is unregulated power supply, which leads to improper function of DC –DC converters. There are various analogue and digital control methods used for dc-dc converters and some have been adopted by industry including voltage- and current-mode control techniques. The DC-DC converter inputs are generally unregulated dc voltage input and the required outputs should be a constant or fixed voltage. Application of a voltage regulator is that it should maintains a constant or fixed output voltage irrespective of variation in load current or input voltage. Various kinds of voltage regulators with a variety of control schemes are used to enhance the efficiency of DC-DC converters. Today due to the advancement in power electronics and improved technology a more severe requirement for accurate and reliable regulation is desired. This has led to need for more advanced and reliable design of controller for dc-dc converters. In this paper, a new sliding mode controller is proposed as the indirect control method in order to control a buck converter and we summarized some other well developed control techniques voltage, current and PID for DC-DC converter. Their principal characteristics are illustrated using MATLAB and the Simulink block diagram system along with experimental results.
Index Terms—DC-DC converters, DC voltage, current, control techniques, Sliding Mode Control, PID Mode.

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