Căutare Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics după Titlu
Afișează articolele 190-209 of 230
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Secure Analog Data Transmission Based on Rössler Chaotic System Behavior
("Dunarea de Jos" University of Galati, 2000)This paper describes a new methodology for increasing the security of analog data transmission based on a mixture of the original analog signal with one of the state variables of Rössler chaotic system. The method is ... -
Selection of the Diagnostic Hypotheses Through Fuzzy Decizion in Medical Diagnosis System
(The Annals of "Dunarea de Jos" University of Galati, 2008)The paper presents an evaluation of the diagnostic hypotheses’ selection step within the medical diagnosis hybrid system DiaMed. Medical diagnoses are described in DiaMed through fuzzy decision functions that are used ... -
Sift Based Algorithm for Point Feature Tracking
("Dunarea de Jos" University of Galati, 2007)In this paper a tracking algorithm for SIFT features in image sequences is developed. For each point feature extracted using SIFT algorithm a descriptor is computed using information from its neighborhood. Using an algorithm ... -
A Simple Load Power Estimator for Quasi-Direct AC-AC Converter System
("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 ... -
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 ... -
A Simulation Platform to Model, Optimize and Design Wind Turbines, the Matlab / Simulink Toolbox
("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
("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
("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
("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 ... -
Sliding-Mode Adaptive Control of Pioneer 3-DX Wheeled Mobile Robot
("Dunarea de Jos" University of Galati, 2007)Parameter identification scheme and discrete-time adaptive sliding-mode controller applied to Pioneer 3-DX wheeled mobile robot (WMR) are presented in this paper. The dynamical model for mobile robot with one pair of active ... -
Smart Home Prototype Remotely Controlled Through Internet
(Universitatea "Dunărea de Jos" din Galați, 2017)The project aims to implement and use of an autonomous smart home prototype system, to remotely monitor the important parameters like temperature, atmospheric pressure, gas leaks, or burglary -
Software System for Generating, Identification and Simulation of the Biotechnological Processes Models
("Dunarea de Jos" University of Galati, 2001)The paper deals with the development of a software system (BIOCALC) for the modelling, identification and simulation of the biotechnological processes. BIOCALC is based on the algorithm developed by George Bastin and ... -
Some Considerations Regarding the Efficiency of the Electromechanical Motion
("Dunarea de Jos" University of Galati, 2002)Control techniques for servo drive which run at variable speed for prolonged time is developed on the base of minimum energy dissipation in a feed-forward structure. The optimal control laws are determinate using the ... -
Some results on the modelling of TSS manufactiring lines
("Dunarea de Jos" University of Galati, 2000)This paper deals with the modelling of a particular class of manufacturing lines, governed by a decentralised control strategy so that they balance themselves. Such lines are known as “bucket brigades” and also as “TSS ... -
Some Rezults Concerning No-Storage Wide-Diesel Systems Control
("Dunarea de Jos" University of Galati, 2006)This paper deal with the dynamics of an autonomous no storage wind-diesel system, comprising a diesel generator and a controlled wind system with a hypo/hyper synchronous cascade. The objective is to maximize the wind ... -
Sonar Target Localization Based on Spike Coded Spectrograms
("Dunarea de Jos" University of Galati, 2006)Target location is coded into the pattern of spikes that run up the auditory nerve to the bat's brain. Realistic scenes containing multiple, closely spaced, reflectors give rise to complex echo signals consisting of multiple ... -
Spatio-Temporal Dynamics in Celular Neural Networks
("Dunarea de Jos" University of Galaţi, 2009)Analog Parallel Architectures like Cellular Neural Networks (CNN’s) have been thoroughly studied not only for their potential in high-speed image processing applications but also for their rich and exciting spatio-temporal ... -
Spectral Density Correction of a Signal at Frequency Variable Transformation
("Dunarea de Jos" University of Galati, 2006)The goal of this paper is to determine analytical expression for the spectral density function of a signal, affected by a known frequency transformation, which do not modify the process energy. Such transformations of ... -
Speed and Rotor Flux Estimation in Speed Sensorless Control of Induction Motor
("Dunarea de Jos" University of Galati, 2002)The paper compares the performances of several adaptive rotor flux and speed estimation methods used in speed sensorless vector control of induction motor. First, a short review of Luenberger, Gopinath, MRAS, Torque Error ... -
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 ...
