نتایج جستجو برای: dc plating
تعداد نتایج: 64992 فیلتر نتایج به سال:
Abstract Three local bifurcations in DC-DC converters are reviewed. They are period-doubling bifurcation, saddle-node bifurcation, and Neimark bifurcation. A general sampled-data model is employed to study types of loss of stability of the nominal (periodic) solution and their connection with local bifurcations. More accurate prediction of instability and bifurcation than using the averaging ap...
This paper presents a new solution approach to the optimal control problem of fixed frequency switch-mode DC-DC converters using hybrid systems methodologies. In particular, the notion of the N -step model is introduced to capture the hybrid nature of these systems, and an optimal control problem is formulated and solved online, which allows one to easily incorporate in the controller design sa...
coupling. In these GBJJ, the grain boundary which Since the discovery of High Tc Superconductivity constitutes the barrier is a weak superconducting at the end of 1986 [1], great attention has been paid region which is oxygen deficient andyor disordered. to the investigation of the action of light on High Tc Then, illumination of such junctions will change the Superconductors (HTSC). Besides th...
This article provides a classification of high efficiency switching power-gyrator structures and their use as cells for energy processing in photovoltaic solar facilities. Having into account the properties of these topologies presented in the article, their inclusion in solar facilities allows increasing the performance of the whole installation. Thus, the design, simulation and implementation...
Stable inversion plays a key role in the solution of the exact tracking control problem in nonminimum phase systems. However, the general methods developed so far for the computation of stable inverses require backwards time numeric integration of the internal dynamics equation, which yields high sensitivity to external disturbances and/or structured uncertainties. This article introduces an it...
Single phase power factor correction ac-dc converters are widely used in industry for ac-dc power conversion from single phase ac mains to an required output dc voltage. In case of high power application these types of converter use an ac-dc boost converter followed by dc-dc converter. These converters has the features of excellent input power factor, continuous input and output currents, and i...
The class of Deterministic Conditional Term Rewriting Systems (DCTRSs) is of utmost importance for the tight relationships exhibited with functional programming, logic programming and inductive reasoning. However, its analysis is extremely diicult, and to date there are only very few works on the subject, each analyzing a particular aspect of DCTRSs. In this paper, we perform a thorough analysi...
This paper presents a new method for theoretical stability analysis of a bidirectional dual full bridge DC-DC converter with triple phase-shift control. The developed approach is analytically sound and generally applicable when compared with the existing approaches, which are by and large based on computer simulation. The operating process of a bidirectional converter is multi-stage and nonline...
. The aim of this paper is to present an overcurrent limitation for the digital peak current mode dc-dc converter. The proposed method can detect the overcurrent in real time and it also maintains arbitrary current in the overcurrent limitation mode. It is expected to provide an effective function to protect the renewable energy system. The effectiveness of proposed method is confirmed from bot...
The DC-DC converter topologies have received increasing attention in recent years for high power and high performance applications. The advantages of DC-DC boost converters include increased efficiency, reduced size, reduced electromagnetic emission, faster transient response, and improved reliability. The front end inductors in a boost converter are magnetically coupled to improve electrical p...
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