نتایج جستجو برای: converter stability

تعداد نتایج: 322194  

Journal: :I. J. Bifurcation and Chaos 2003
Octavian Dranga C. K. Michael Tse Herbert H. C. Iu István Nagy

The aim of the paper is to investigate the bifurcation behavior of the power-factor-correction (PFC) boost converter under a conventional peak current-mode control. The converter is operated in continuous-conduction mode. The bifurcation analysis performed by computer simulations reveals interesting effects of variation of some chosen parameters on the stability of the converter. The results ar...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده برق 1392

این پایان نامه به تحلیل رفتار غیرخطی و حذف نوسانات ناخواسته در خروجی مبدل بوست کنترل کننده پیک مد جریان براساس نظریه آشوب و با استفاده از روش جبران شیب می پردازد. در این راستا با در نظر گرفتن مدل غیرخطی روش تکراری زمان گسسته، با بررسی نمودار دوشاخگی و محاسبه نمای لیاپانف، بروز پدیده آشوب در این مبدل بررسی می گردد. سپس کنترل کننده ای براساس تئوری آشوب و روش جبران شیب ارائه می گردد. نحوه تاثیر ش...

2005
Daniel J. Pagano Javier Aracil Francisco Gordillo

In this paper we introduce a control method for generation of oscillations in electronic converters. The main novelty of the new control strategy is the lack of reference signals. This is accomplished by a feedback law associated to a Lyapunov function which guarantees the stability and robustness of the system. The method is illustrated by means of a boost converter system. Simulations show th...

2012
Sucheng LIU Luowei ZHOU Weiguo LU

An approach to the analysis of large-signal stability of a Boost converter via the small-signal loop gains is presented. The large-signal stable region of the small-signal designed bilinear Boost converter is estimated in light of the Input-output stability concept. By doing so, the effects of small-signals on large-signal stability are revealed. The effectiveness of the presented approach is v...

2009
Seiya Abe Masahiko Hirokawa Masahito Shoyama Tamotsu Ninomiya

The power supply systems, which require low-voltage / high-current output has been changing from the conventional centralized power system to a distributed power system. The distributed power system consists of a bus converter and POL. The most important factor is the system stability in bus architecture design. The overlap between the output impedance of a bus converter input impedance of POL ...

2014
SIDHARTH SABYASACHI PRATYUSHA MOHANTY

DC-DC converter is a converter where we are regulating the input voltage to get the desired output voltage which is either greater than or equal to or less than the input voltage with positive or negative polarity. A lot of dc-dc converters are available in the world out of which SEPIC (Single-Ended Primary-Inductor Converter) converter is one of them. To analyse the converter, a lot of techniq...

In this paper, a robust Maximum Power Point Tracking (MPPT) for PV array has been proposed using sliding mode control by defining a new formulation for sliding surface which is based on increment conductance (INC) method. The stability and robustness of the proposed controller are investigated to load variations and environment changes. Three different types of DC-DC converter are used in Maxim...

2016
Woo Jin Choi Seok-Kyoon Kim Juyong Kim

This paper presents a simple input-constrained current controller for a DC/DC boost converter with stability analysis that considers the nonlinearity of the converter model. The proposed controller is designed to satisfy the inherent input constraints of the converter under a physically reasonable assumption, which is the first contribution of this paper. The second contribution is providing a ...

ژورنال: کنترل 2019

The main goal of this research is to design a new digital controller for a boost-switching converter in Continuous Conduction Mode (CCM), which operates in Voltage Mode Control (VMC). Boost converter transfer function in the mentioned modes have one Right Half Plane (RHP) zero and a pair of complex poles while their places are severely dependent on input voltage, reference voltage and converter...

2015
S. J. ANNAPURNESWARA RAO

An enhanced soft switching technique for an interleaved boost converter has better performance characteristics when compared to conventional boost converter. As IBC operates under soft switching the main devices do not have any additional voltage & current stress on the auxiliary devices are at low level. Where main switches operates out of phase and share the output current while providing sof...

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