Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions
Afișează articolele 1301-1320 of 1845
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Simulation of four Switch PWM AC Chopper Fed Single Phase Induction Motor
("Dunarea de Jos" University of Galati, 2010)To improve the performance of motor drives, there is a need to improve the quality and reliability of the drive system. With the high power handling capability of IGBT, pulse width modulated AC chopper can be used in ... -
Analysis and Experimental Verification of Series Resonant PFC DC to DC Converter
("Dunarea de Jos" University of Galati, 2010)The aim of this work is to simulate and implement Series Resonant PFC DC – DC converter using Matlab Simulink. The quality of power consumption in terms of power factor and electromagnetic interference (EMI) levels are ... -
A Novel ZCS-ZVS Hybrid Bidirectional DC-DC Converter for Fuel Cell and Supercapacitor Application
(The Annals of "Dunarea de Jos" University of Galati, 2010)This paper proposes a novel ZCS-ZVS hybrid bidirectional DC-DC converter based on fuel cells and supercapacitor devices. The described converter employs only one high frequency transformers to couple the half-bridge and ... -
An ADCSP-Based Non-Monotonic Framework for Medical Diagnosis
("Dunarea de Jos" University of Galati, 2010)The ability to reason within a dynamical environment is of crucial importance in Artificial Intelligence. The present paper models nonmonotonic reasoning by means of a DCSP (Dynamic Constraint Satisfaction Problems) ... -
Comparison Between ZVS and ZVS-ZCS Bidirectional DC-DC Converter Topologies
("Dunarea de Jos" University of Galati, 2010)In this paper exhaustive comparative analysis has been done between a conventional ZVS converter and the ZVS-ZCS bidirectional DC-DC converters. A novel model of a bidirectional converter and its topology is introduced. ... -
Practical implementation of Embedded Controlled Boost Converter for Solar Installation System
("Dunarea de Jos" University of Galati, 2010)The solar photovoltaic power has received great attention and experienced impressive progress in the countries all over the world in recent years because of more and more serious energy crisis and environmental pollution. ... -
A Case Study Concerning Sales Prediction Using Sales Quantitative Prediction Methods
(2010)The sales condition the entire activity of a enterprise, its variation being considered the main risk factor on the performances and financial position of the enterprise. The importance of elaboration of such budget is ... -
Experimental Results of Bridgeless PFC Boost Converter
("Dunarea de Jos" University of Galati, 2010)This paper deals with the simulation and implementation of a bridgeless PFC boost converter. The Bridgeless PFC Boost Converter Circuit is analyzed, simulated and implemented. The circuit has advantages like reduced ... -
Fea Based Axial Flux Permanent Magnet Linear Oscillating Motor
("Dunarea de Jos" University of Galati, 2010)In this paper the development, finite element analysis(FEA) and electronic control of an axial flux permanent magnet linear oscillating motor (PMLOM) suitable for short strokes is described. The forces for aluminium mover ... -
Design of LCL Resonant Converter for Electrolyser
("Dunarea de Jos" University of Galati, 2010)An Electrolyser linked with a DC bus are analyzed and discussed in this paper. An electrolyser is a part of renewable energy system which generates hydrogen from water electrolysis. An LCL series parallel resonant converter ... -
Comparison of Three Phase 4-Leg Shunt Active Power Filter Using DQ, Indirect and Maximum Control Method
("Dunarea de Jos" University of Galati, 2011)In this paper is presented a comparative analysis of three control methods for a thee-phase active power filter (APF) with four legs, aiming at the power quality indicators: THD, power factor, unbalance. -
Low Power Battery Charger with Solar Panel Input, the Electronic Circuit
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A Noval Comparison of Class D and Class E Inverter Based High Frequency Application
("Dunarea de Jos" University of Galati, 2011)This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented. -
Model Reference Adaptive Control of a Vector Controlled Three Phase Induction Machine
("Dunarea de Jos" University of Galati, 2011)Model reference adaptive control (MRAC) of three-phase induction machine in rotor field coordinated is proposed in this paper. The proposed adaptive structure is in direct form, such that the controller parameters are ... -
Development of Wind Turbine Systems with Parallel Connections of Different Types Generators
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Power Quality Improvement in Fourteen Bus System Using Unified Power Flow Controller
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Linear Predictive Control of a Wastewater Treatment Process
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New Eavesdropper Detection Method in Quantum Cryptography
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Abstract Multi-Agents Used in Industrial Fault Diagnosis
("Dunarea de Jos" University of Galati, 2012)Industrial diagnosis systems aim to anticipate the occurrence of failures or, if failures have occurred, to detect them and identify their cause, based on observable symptoms captured by sensors from the process. In case ... -
Spread Data Storage-A Means Of Storing in Internet
("Dunarea de Jos" University of Galati, 2012)Recent years have led to the development of new data storage solutions, moving their local storage, to the storage in cloud (Internet). In this case, data loss raises greater problems, since there it is not able to seek ...
