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Simple Approach for Induction Motor Control Using Reconfigurable Hardware

Imecs, Maria; Incze I., Ioan; Szabó, Csaba ("Dunarea de Jos" University of Galati, 2002)

The paper deals with rotor-field-oriented vector control structures for the induction motor drives fed by the so-called tandem frequency converter. It is composed of two different types of DC-link converters connected ...

A Simple Device for Modelling Bioarticular Joint Friction

Bejinariu, Brîndusa; Diaconescu, Emanuel (UDJG, 2011)

In this paper a simple device for modelling bioarticular friction is presented. The experimental device serves to simulate the movement as it would take place in a knee joint. Key components of the experimental device are ...

A Simple Load Power Estimator for Quasi-Direct AC-AC Converter System

Găiceanu, Marian; Roşu, Emil ("Dunarea de Jos" University of Galati, 2003)

In this paper a simple load power estimator for the three-phase quasi-direct acac converter system is reported. Since the ac-ac converter control by means of pulsewidth modulation (PWM) is based on the power balance ...

Simularea în timp real a comportamentului echipamentelor pentru exploatarea sistemelor critice

Bărbulescu, Lucian-Florentin (Universitatea "Dunărea de Jos" din Galați, 2013)

Automatizarea proceselor este, în acest moment, prezentă în toate domeniile unei economii performante. Nu se mai poate discuta de performan$ă fără să se ia în calcul folosirea unor sisteme automate capabile să efectueze ...

Simularea numerică a performanțelor hidrodinamice ale corpului navei

Bekhit, Adham S. (Universitatea "Dunărea de Jos" din Galați, 2021)

În contextul actual procesul modern de proiectare a navelor impune mai multe provocări din punct de vedere al geometriei, economiei și, mai recent, al eficienței energetice. De acea este foarte importantă existenţa unui ...

Simularea pe calculator a mişcării structurilor cu cinematică

Vereşiu, Silvia Maria (Universitatea "Dunărea de Jos" Galaţi, 2007)

Simulation of an Economic Policy on Second Life Using a Conjunctural Analysis Approach

Janvier, Yrina ("Dunarea de Jos" of University of Galati, 2007-01)

This paper intends to define an economic policy that does not compromise the coordination between the 4 main sectors of an economy: the real sector, the public sector, the exterior sector and the monetary sector. The ...

Simulation of Dynamical Systems with Linear and Non-Linear Behavior in Scicos Environment

Gillich, Gilbert-Rainer (Universitatea "Dunărea de Jos" din Galați, 2005)

The paper presents the SCICOS program and the way how to formalise dynamic system with known physical and mathematical models in this environment. Using simple examples from the field of vibrations, it is shown how “continuous ...

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 of the Production Process Dynamics using Vensim and Stella

Sbughea, Corina (Universitatea "Dunărea de Jos” din Galați, 2016)

This paper aims to make a brief presentation of the principles of dynamic systems and to analyze two applications support for modeling and simulation of the evolution of these systems. For illustration, we chose a classic ...

A Simulation Platform to Model, Optimize and Design Wind Turbines, the Matlab / Simulink Toolbox

Iov, Florin; Blaabjerg, Frede; Hansen, Anca Daniela ("Dunarea de Jos" University of Galati, 2002)

In the last years Matlab / Simulink® has become the most used software for modeling and simulation of dynamic systems. Wind energy conversion systems are for example such systems, containing subsystems with different ...

Simulation Results of Closed Loop Controlled Interline Power Flow Controller System

Usha Rani, P.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)

The Interline Power Flow Controller (IPFC) is the latest generation of Flexible AC Transmission Systems (FACTS) devices which can be used to control power flows of multiple transmission lines. A dispatch strategy is ...

Simulation Results of Current Fed Interline Power Flow Controller Using Simulink

Irusapparajan, G.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)

Interline Power Flow Controllers (IPFC) have been used to enhance and optimize the use of transmission facilities, under the concept of a Flexible AC Transmission System (FACTS). The main objectives of FACTS are to ...

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 ...

Sincerity : Textual claims to validation

Ţuchel, Daniela (Universitatea "Dunărea de Jos" din Galaţi, 2006-01)

Dacă se defineşte sinceritatea ca un raport de încredere între emiţător şi receptor, concomitent se face trimitere la o corelare justă între forma de exprimare şi starea emoţională a emiţătorului. Discuţia în articolul de ...

Singular Points in an Elastic Half-Plane Containing a Circular Hole, Loaded by a Normal Point Force on the Straight Boundary

Alaci, Stelian; Diaconescu, Emanuel; Frunză, Gheorghe (Universitatea "Dunărea de Jos" din Galaţi, 2006)

These authors published theoretical results upon the stress state induced in an elastic half-plane containing a circular hole by a point force applied on its boundary. The solutions were found in bipolar co-ordinates and ...