Now showing items 1-17 of 17

    • Adaptive Filter Used as a Dinamic Compensator in Automatic Gauge Control of Strip of Rolling Proceses 

      Roman, N.; Ceangă, Emil; Caraman, Sergiu; Bivol, Ion; Barbu, Marian; Alexiu, Mugur George ("Dunarea de Jos" University of Galati, 2010)
      The paper deals with a control structure of the strip thickness in a rolling mill of quarto type (AGC – Automatic Gauge Control). It performs two functions: the compensation of errors induced by unideal dynamics of the ...
    • An ADCSP-Based Non-Monotonic Framework for Medical Diagnosis 

      Costache, Sabina ("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) ...
    • Analysis and Experimental Verification of Series Resonant PFC DC to DC Converter 

      Sivachidambaranathan, V.; Dash, S. S. ("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 ...
    • Computer similation of Phase Shifted series Resonant DC to DC Converter 

      Parvathy, P.; Devarajan, N. ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with digital simulation of phase shifted series resonant DC to DC converter using Matlab Simulink. The Simulink models for open loop and closed loop systems are developed and they are used for simulation ...
    • Dc Link Current Estimation in Wind-Double Feed Induction Genera Power Conditioning System 

      Găiceanu, Marian; Costin, Mădălin ("Dunarea de Jos" University of Galati, 2010)
      In this paper the implementation of the DC link current estimator in power conditioning system of the variable speed wind turbine is shown. The wind turbine is connected to double feed induction generator (DFIG). The ...
    • Identification of a Nonlinear Pneumatic Servo System Using Modular Neural Networks 

      Bogadan, Codreş; Puşcaşu, Gheorghe; Murariu, Gabriel ("Dunărea de Jos" University of Galati, 2010)
      Sometimes, in the case of highly nonlinear systems the traditional approaches of identification and control could be difficult to implement. In this case, a good alternative are the neural networks. In this paper a modular ...
    • Improving the Power Factor at Unbalanced Consumers 

      Bălănuţă, Ciprian; Munteanu, Toader; Fetecău, Grigore ("Dunarea de Jos" University of Galati, 2010)
      Unbalanced consumers have led to power quality problems. It is therefore necessary to have on hand solutions and equipment capable of improving the power quality. This paper provides a comparison on improving the power ...
    • Indirect Control of a Low Power Single-Phase Active Power Filter 

      Epure, Silviu; Rosu, Emil ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with a low power, single phase active filter used to compensate nonlinear loads. The filter uses the indirect control method and it is based on a particular connection between filter, polluting load and ...
    • Multilevel Inverter Based Statcom for Power Quality Enhancememt in Multi bus System 

      Sunder, G.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with simulation of STATCOM in multi bus system for power quality enhancement. The unique structure of the multi level voltage source inverter (VSI) permits it to attain high voltages with low harmonic ...
    • A New Numeral Calculus Solver-Numerical Engineering Software 

      Militaru, Romulus; Călin, Liviu Adrian; Călugăru, George-Cristian; Georgescu, Adrian-Lorel ("Dunarea de Jos" University of Galati, 2010)
      The project presented in this paper, entitled Numerical Engineering Software is an integrated solution which contains a various range of numerical methods for the solving of diverse calculations and mathematical ...
    • A Novel Analysis of Class e Inverter Based Induction Heating System 

      Arumugam, S.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented. Utility frequency AC Power is converted into high frequency ...
    • A Novel ZCS-ZVS Hybrid Bidirectional DC-DC Converter for Fuel Cell and Supercapacitor Application 

      Rama Reddy, S. (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 ...
    • Optimal Control for Electric Vehicle Stabilization 

      Găiceanu, Marian; Voncilă, Elena; Bihosu, Răzvan ("Dunarea de Jos" University of Galati, 2010)
      This main objective of the paper is to stabilize an electric vehicle in optimal manner to a step lane change maneuver. To define the mathematical model of the vehicle, the rigid body moving on a plane is taken into ...
    • Simulation of four Switch PWM AC Chopper Fed Single Phase Induction Motor 

      Kumar, M. Narendra; Anjaneyulu, K.S.R. ("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 ...
    • Simulation Results of Single Stage AC-AC Converter for Induction Heating 

      Aruguman, S.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper presents simulation of single stage Induction heating system with series Load Resonance. Low frequency AC is converted in to High Frequency Ac using newly developed ZVS-PWM high frequency inverter. This High ...
    • A Timel Microcontroller Based Soft Switched PWM ZVS full Bridge DC to DC Converter 

      Kumar Nayak, Deepak; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with the simulation and implementation of soft switched PWM ZVS full bridge DC to DC converter. The 48V DC is efficiently reduced to 12V DC using a DC to DC converter. This converter has advantages like ...
    • Voltage Control Scheme for Three Phase SVM Inverter Fed Induction Motor Drive Systems 

      Sowmmiya, U.; Jamuna, V. ("Dunarea de Jos" University of Galati, 2010)
      This paper presents an efficient implementation scheme for the closed-loop voltage control of an induction motor incorporating ‘Space Vector Pulse Width Modulation (SVPWM)’. Voltage control is required to meet the variation ...