Căutare Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics după Titlu

Afișează articolele 210-229 of 230

    • Stability criteria for cellular neural networks 

      Danciu, Daniela; Răsvan, Vladimir ("Dunarea de Jos" University of Galati, 2001)
      A cellular neural network is an artificial neural network which features a multidimensional array of neurons and local interconnections among the cells. Neural networks are systems with several equilibrium states. It is ...

    • Static Analysis of Statcom for Enhancement of Voltage on Transmission Line 

      Sunder, G; Ramareddy, S ("Dunarea de Jos" University of Galati, 2013)
      The recent development of Power- Electronics controller introduces the use of various FACTS devices in power systems networks. FACTS devices can control the power system network condition in expediting manner and this ...

    • Stationary Frame Active Power Filter Control Based on Multiresolution Analysis 

      Culea, Mihai; Dumitriu, Teodor; Nichita, Mihai; Munteanu, Traian ("Dunarea de Jos" University of Galati, 2006)
      The paper presents an active power filter control method. The reference signal is generated in the stationary reference frame α-β using multiresolution analysis and the controllers used are P-resonant controllers, suitable ...

    • Strategies Used for Developing Micro-CCHP Structures in Residential and Public Buildings 

      Badea, Nicolae ("Dunarea de Jos" University of Galati, 2008)
      The current paper deals with the efficient use of the fossil fuels in the context of DER/DG concept through a unitary approach of the necessary electrical power and thermal energy of an urban residential quarter and ...

    • Structure of Management Information in SNMP 

      Oancea, Daniel (2003)
      In this article we present the Structure of Management Information from SNMP, for all three versions of SNMP, as well as the main differences between them. In the first part, two version of SNMP are presented: version ...

    • A Student Model in a Multi-Agent Intelligent System 

      Novac – Ududec, Cornelia; Birla, Rodica ("Dunarea de Jos" University of Galati, 2007)
      The paper presents an intelligent tutoring system which provides a Student Model using the “overlay method”. The system’s tasks are distributed among the intelligent agents (software agents), each having clearly specified ...

    • Study on Intrusion Detection Systems Using Genetic Algorithm 

      Rafsanjani, Marjan Kuchaki ("Dunarea de Jos" University og Galati, 2014)
      With the extension in computer networks and appearing new attacks, seems that security is more necessary than before. Intrusion Detection System (IDS) is one of the most important methods to develop security in computer ...

    • Supervisory Control Technique for an Assembly Workstation as a Dynamic Discrete Event System 

      Cernega, Daniela Cristina; Mînzu, Viorel ("Dunarea de Jos" University of Galati, 2001)
      This paper proposes a control problem statement in the framework of supervisory control technique for the assembly workstations. A desired behaviour of an assembly workstation is analysed. The behaviour of such a workstation ...

    • A Survey on Image Processing Techniques in the Context of Content Based Image Retrieval 

      Ilie, Mihai Bogdan ("Dunarea de Jos" University of Galati, 2013)
      This paper presents an overview of the current image processing techniques used to solve various problems, especially in the field of image indexing/retrieval. We aim to provide a solid, comprehensive reference source for ...

    • A Survey Text Clustering Techniques Used for Web Mining 

      Munteanu, Dan; Bumbaru, Severin ("Dunarea de Jos" of Galati, 2005)
      This paper contains an overview of basic formulations and approaches to clustering. Then it presents two important clustering paradigms: a bottom-up agglomerative technique, which collects similar documents into larger and ...

    • Technologies for Sensing and Modeling Collective Intelligence 

      Sușnea, Ioan; Pecheanu, Emilia; Cocu, Adina (Universitatea "Dunărea de Jos' din Galați, 2017)
      New technologies, such as smart mobile communication and computing devices, GPS tracking, video surveillance, RFID, web activity logs, etc. offer unprecedented means for automatic sensing and interpretation of a variety ...

    • The Textual Idea and its Relationship to discourse structure 

      Bocănială, Cosmin Dănuţ ("Dunarea de Jos" University of Galati, 2000)
      The textual idea could be characterized through a series of either detailing the current form of idea or continuing a previous form of it. Every element of the series has associated a span of the given text that carries ...

    • Thermal Processes Identification Using Virtual Instrumentation 

      Olah, Iosif; Hulea, Nicoleta Ştefania; Măstăcan, Lucian; Vornicu, Octavian Costel ("Dunarea de Jos" University of Galati, 2007)
      In this paper the experimental identification problem of thermal processes is presented, in order to establish their mathematical models which permit the adoption of the automation solutions, respectively the specification ...

    • Three Fuzzy Reasoning Models as a Decisionsuport AID, to Find an Electrical Energy Tariff 

      Dugan, Viorel; Solea, Răzvan; Ionescu, Clara; Ghiniţă, Daniela ("Dunarea de Jos" University of Galati, 2005)
      This contribution is a laboratory-work developed as an example of approximate (fuzzy) reasoning for students, possible to be used as a decision – support to estimate an electrical energy (EE) price for consumers. The three ...

    • 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 ...

    • Transducer-Shape Optimization for Angle Estimation of a Broadbrand Monaural Sonar System 

      Reijniers, Jonas; Peremans, Herbert ("Dunarea de Jos" University of Galati, 2004)
      In this paper we describe a procedure for the search of the optimal trans-ducer geometry for a monaural, broadband sonar system. We restrict ourselves to a simple transducer morphology that can be technologically realized: ...

    • Uncertainty Management Using Bayesian Networks in Student Knowledge Diagnosis 

      Cocu, Adina; Ştefănescu, Diana ("Dunarea de Jos" University of Galati, 2005)
      In intelligent tutoring systems, student or user modeling implies dealing with imperfect and uncertain knowledge. One of the artificial intelligence techniques used for uncertainty management is that of Bayesian networks. ...

    • Vague Criteria Relational Database Queries 

      Tudorie, Cornelia ("Dunarea de Jos" University of Galati, 2003)
      The most accessible interfaces querying relational database should allow vague terms included in selection criteria. The gradual property stands for the simplest vague selection criterion, but more categories of vague ...

    • Vector Space Model for Document Representation in Information Retrieval 

      Munteanu, Dan ("Dunarea de Jos" University of Galati, 2007)
      This paper presents the basics of information retrieval: the vector space model for document representation with Boolean and term weighted models, ranking methods based on the cosine factor and evaluation measures: recall, ...

    • 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 ...