In this work, a zero static error proportional controller for a two-cell DC-DC buck converter is synthesized and analyzed. Under a traditional proportional control scheme, the system presents a constant error of the current supplying the output load. As the proportional feedback gain is increased, the average static error decreases. However, sub-harmonic oscillations and chaotic behavior emerge...

<span lang="EN-US">This paper proposes a new bidirectional step-up DC-DC converter, namely modified buck-boost converter. The proposed converter was derived from the conventional Output voltage expression of by considering drops across inductors and switching devices. results have shown that with same parameter input LC filter, has lower conduction losses. Moreover, rated filter capacitor...

The paper focuses on a DC/DC converter that is used to adapt a varying output voltage from a solar panel to demands of an electrolyzer unit or battery charging purposes. The converter covers an input voltage span from 9 V to 24 V and has an output voltage of 12 V at a maximum current of 50 A. A modular topology of the converter is described along with a microcontroller control strategy. Finally...

A novel integrated single-inductor dual-output (SIDO) buck converter with peak current common-mode and the two output voltage ripples comparison differential-mode control method in continuous conduction mode is presented. The system can use only one inductor to provide two independent output voltages, 1.2V and 1.8V, with a maximum total output current 460mA. The proposed converter has been fabr...

The power converter is one of the essential elements for effective use of renewable power sources. This paper focuses on the development of a circuit simulation model for maximum power point tracking (MPPT) evaluation of solar power that involves using different buck-boost power converter topologies; including SEPIC, Zeta, and four-switch type buck-boost DC/DC converters. The circuit simulation...

In this paper, nonlinear phenomena appearing in DC-DC converters are analyzed by using a discrete time nonlinear map (the A-switching map). We then propose a feedback control method improving switch-mode power supplies electromagnetic compatibility (spectral peaks compliance). To confirm the efficiency of this new and simple method, the map is derived in closed form from the system of nonlinear...

----Research in nonlinear dynamics and complexity has made remarkable progress in recent years. Almost all power electronic circuits exhibit some kind of nonlinear behavior e.g., quasi-periodicity, subharmonic oscillations, bifurcation, chaos. The aim of this paper is to investigate the nonlinear phenomenon and chaotic behavior in a DC-DC buck converter. The derivation of the discrete-time map ...

The series capacitor buck converter is a dc-dc converter topology that uniquely merges a switched capacitor circuit and a multiphase buck converter. Many of the challenges faced by conventional buck converters are overcome by this converter topology. This enables efficient, high frequency operation and significantly smaller solution size. The series capacitor buck converter has beneficial chara...

converter generally consists of power semiconductor devices which are operate as an electronic switches. Operation of these switching devices causes inherently nonlinear characteristic to the DC-DC Converters include buck-boost converter. Proposed system consists of development of fuzzy logic controller for generating control PWM pulses of required duty cycle for MOSFET of the buck-boost conver...

In this paper direct AC to DC is converted by proposed model from low AC voltage to high DC voltage in single stage conversion. And this paper presents an efficient AC to DC power that avoids the bridge rectification and directly converts low AC input voltage to high DC output voltage. This proposed converter consists boost converter and buck-boost converter both are connected in parallel to pr...