SCIENTIFIC BULLETIN. SERIES C. ELECTRICAL ENGINEERING AND COMPUTER SCIENCE Vol

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1 SCIENTIFIC BULLETIN. SERIES C. ELECTRICAL ENGINEERING AND COMPUTER SCIENCE Vol SPIS TREŚCI nr 1 AUTOMATIC CONTROL AND COMPUTERS 3 Optimization of Performance monitoring and attack detection in all optical networks / Răzvan Rughiniş, George Milescu, Mircea Bardac, Nicolae Ţăpuş 13 A simulation model for fault tolerance evaluation / Adrian Boteanu, Ciprian Dobre 27 Re-scheduling and error recovering algorithm for distributed environments / Alexandra Olteanu, Florin Pop, Ciprian Dobre, Valentin Cristea 39 Remedy simulation of a mono-phase fault on a 110 kv aerial electric power line with the purpose of obtaining results applicable to the protection system / Sebastian Anghelescu 53 Evaluation of breast cancer risk by using fuzzy logic / Victor Balanică, Ioan Dumitrache, Mihai Caramihai, William Rae, Charles Herbst 65 Image enhancement and noise removal by using new spatial filters / Raghad Jawad Ahmed ELECTRONIC AND TELECOMMUNICATIONS 75 Energy localization in chirp signals / Dumitru Stanomir, Cristian Negrescu, Tudor M. Culda 83 Comparison of specific absorption rates induced in a model of the human skull / Alina Buleandră, Teodor Petrescu 93 New robust watermarking scheme for video copyright protection in the spatial domain / Radu Ovidiu Preda, Nicolae Vizireanu 105 Selecting the appropriate project management process for R&D projects in microelectronics / Mariana Eugenia Ilaş, Sorin Ionescu, Constantin Ilaş 117 Programmable voltage reference for a low voltage monitor circuit / Alina Neguţ, Anca Manolescu 129 Magnetic field in encapsulated bus-bars / Monica Cucu, Mihai Octavian Popescu 143 High alternative voltage, adjustable source with three-phase supply, made for ozone generators / Ionel Colţ, Florin Ionescu 157 Sliding mode strategy for closed loop controlled two-level PWM inverter / Dan Olaru, Dan Floricău 165 Experimental method for estimating the parameters of a synchronous machine equivalent scheme, with consideration of skin effect influence / Ion Daniel Ilina, Constantin Ghiţă 181 Centralized testing and validation for power electronics equipment / Monica Popa, Florin Ionescu 191 ECG measurement and acquisition system for dynamic analysis of heart rate variability parameters / Anatolie Boev, Marcel Stanciu, Brânduşa Pantelimon 199 LEDs lighting: two case studies / Roberto Faranda, Ştefania Guzzetti, Cristian Lăzăroiou, Sonia Leva

2 211 Optimal operation at partial load of a 30 kw natural gas microturbine cluster / Adrian-Valentin Boicea, Gianfranco Chicco, Pierluigi Mancarella 223 CFBC pilot installation with advanced flue gas purge system / Ramona Negoi, Adrian Badea, Cosmin Mărculescu 235 Power supply interruptios modeling / Silviu Leontin Bornea 247 New modeling for protection against frost on the overhead power lines / Dorian Marcel Marin 261 The circulation of reactive power and the appearance of resonance phenomenon at the final user s premises / Simion - Dan Stoica 273 The aspects related to the grid connection of the wind farms into national power system / Doina Dragomir

3 nr 2 AUTOMATIC CONTROL AND COMPUTERS 3 Leveraging open source E-learning systems with Web 2.0 and knowledge structures / Adriana Olteanu, Anca Daniela Ionita, Traian Ionescu 17 Control solution for processes with time delayed communication components / Daniel-Bogdan Irimia, Ciprian Lupu, Petre Junie 29 Fractal analysis in electrography for biological systems diagnosing / Vasilică Voinea, Dumitru Popescu 43 Formulas for the discrete-time (J, J ) -spectral factorization of a general system / Raluca Andrei 53 A hierarchical model for emergency management systems / Reda Albtoush, Radu Dobrescu, Florin Ionescou 63 LIPT-derived transform methods used in lossless compression of text files / Radu Rădescu 73 A workflow management engine for scientific applications / Alexandru Costan, Valentin Cristea 89 Cloud SaaS infrastructure / Bogdan Cârstoiu 103 Security infrastructure for Wireless Sensor Networks / Laura Gheorghe, Răzvan Rughiniş, Nicolae Ţăpuş 117 PLC-based holonic manufacturing cell transport system / Andrei Roşu 127 Developments in the holonic control of production flow / Claudiu Plăişanu, Dănuţ Clapa 143 Telecommunications and informatics systems role in security assurance for emergency situations. usage of the ALL-IP networks, NGI networks or internet as medium for alerts transmission / Nicolae-Dorel Constantinescu 153 Modern SCADA philosophy in power system operation a survey / Nicoleta Arghira, Daniela Hossu, Ioana Făgărăşan, Sergiu Stelian Iliescu, Daniel Razvan Costianu ELECTRONICS AND TELECOMMUNICATIONS 167 A neural machine vision model for road detection in autonomous navigation / Victor-Emil Neagoe, Cristian-Tudor Tudoran 179 Optimization methods for large vocabulary, isolated words recognition in Romanian language / Horia Cucu, Andi Buzo, Corneliu Burileanu 193 Simulation of the IPSAG cognitive radio routing protocol stationary case / Cornelia Ionela Bădoi, Victor Croitoru, Adrian Popescu 205 Performances study of tomographic reconstruction implemented on NVIDIA graphic processor systems / Adrian Sima 221 Autonomous vehicle for the investigation of dangerous enviroments / Paul Mugur Svasta, Iaroslav-Andrei Hapenciuc 241 Design principles for building networking applications using general purpose multicore processors and packet processing accelerators / Cristian F. Dumitrescu 251 Contributions to the development of devices to increase safety in operation of the on-load tap-changers of the power transformers / Tiberiu Cujbă, Dorel Cernomazu

4 ELECTRICAL ENGINEERING 263 A modality of using direct torque control for improving the efficiency of the power presses / Sanda Victorinne Paţurcă, Mircea Covrig, Ştefan Gheorghe, Cătălina Enescu 273 Calculation of the probability for the flashover of the insulator string due to the lightning strokes on the phase conductor. Part I. Presentation / Virgil Cruceanu, Dorin Cristescu 285 Finite element analysis, experimental validation and optimization of a rotation speed transducer / Felicia Gheorghe 295 Comparison between three level rectifiers / Lucian Pârvulescu, Dan Floricău, Mircea Covrig POWER ENGINEERING 305 Design and operation strategies of a GT CHPP for district heating purposes / Christian Răducanu, Roxana Pătraşcu 313 Pressure tube oxidation heat addition in an accident in a CANDU type nuclear power plant / Andrei Budu, Daniel Dupleac 327 Two stages clustering used in power quality surveys to select local from network signatures - frequency case study / Dan Apetrei

5 nr 3 AUTOMATIC CONTROL AND COMPUTERS 3 Automatic transformation of software architecture models / Liliana Dobrică, Anca Daniela Ioniţă, Radu Pietraru, Adriana Olteanu 17 Techniques for prediction in chaos - a comparative study on financial data / Laurtnţiu Bucur, Adina Florea 33 IT supporting delivery of input parameters for the correlation layer of the multi-layered emergency warning systems model / Nicolae-Dorel Constantinescu 47 Multitasking control of visually guided robot for intelligent part feeding / Mihai Părlea 61 Experimental validation of the clustering by compression technique / Alexandra Suzana Cernian, Valentin Sgârciu, Dorin Cârstoiu 75 Vérification de systémes gals en combinant langages synchrones et algébres de processus / Damien Thivolle 91 A method to identify systems based on random binary events / Pete Junie, Mihai Tertişco, Cristian Eremia, Gabriel Ene 103 Calculation of the probability for the flashover of the insulator string due to the lightning strokes on the phase conductor. Part II. Mathematical solution and numerical approach / Virgil Cruceanu, Dorin Cristescu 119 MIMO FIR lowpass filter design for spatially interconnected systems using a Bounded Real Lemma approach / Bogdan C. Şicleru, Bogdan Dumitrescu ELECTRONICS AND TELECOMMUNICATIONS 129 Hybrid syllabification and letter-to-phone conversion for TTS synthesis / Cătălin Ungurean, Dragoş Burileanu, Vladimir Popescu, Aurelian Derviş 141 A novel power divider based on the composite right/left handed metamaterial transmission line, for gsm and units applications / Alexandra Bogdan Ochetan, George Lojewski 151 The architecture design for content-aware network security services / Radu Lupu, Eugen Borcoci, Mihai Stanciu and António Pinto 165 Web services applied to mobile environments / Alexandra Petculescu 177 Considerations regarding a radio planning procedure for the GSM-R network covering the Bucuresti - Constanta railway corridor / Corneliu Mihail Alexandrescu, Lăcrămioara-Mihaela Nemţoi 191 On a large-scale radio Cherenkov observatory / Alina-Mihaela Bădescu, Teodor Petrescu ELECTRICAL ENGINEERING 195 Magnetic properties of a Co based amorphous alloy after thermal and magnetic treatments / Gheorghe Paltanea, Veronica Paltanea, Gelu Ionescu 209 Theoretical and experimental investigations on a special rotary piezoelectric motor with tubular geometry / George C. Zărnescu 223 Generalized mathematical models of the electromagnetic field in nonlinear media for the stationar, quasistationary and time variable regimes / Gabriel Barbu

6 POWER ENGINEERING 233 A new concept for addressing Environmental Qualification of Instrument and Control Loops in nuclear power plants / Liviu Delcea, Aureliu Leca 243 Alternative solutions for msw to energy conversion / Gabriela lionescu, Cosmin Mărculescu, Adrian Badea 255 Considerations on the maintenance strategy of the Electricity Transmission Grid and the need to promote live works to overhead lines / Marian Florea, Aurelian Leca 287 Numerical simulator of the CANDU Fuelling Machine driving desk / Cezar Doca, Şerban Valeca 287 Romanian climate data impact on passive buildings design / Nicolae Rotar, Viorel Bădescu 291 Dealing with uncertainties in nuclear safety analyses - Part I (Probabilistic Approach) / Minodora Apostol, Aureliu Leca 307 Primary characterization of wine making and oil refining industry wastes / Maria Simona Ciuta, Cosmina Mărculescu, Cristian Dincă, Adrian Badea

7 nr 4 AUTOMATIC CONTROL AND COMPUTERS 3 AgSysLib - a software tool for agent-based problem solving / Şerban lordache, Florica Moldoveanu 11 Design of embedded systems able to adapt both scheduling and control parameters / Daniel Niculae, loan Dumitrache 25 A critical analysis of MAP-based Mobile Telephony Architecture evolution / Ştefan Mânza, Horia Humăilă 39 Automatic classification of grain sample elements based on color and shape properties / Miroljub Mladenov, Stanislav Penchev, Martin Dejanov, Metin Mustafa 55 Software reliability prediction model using rayleigh function / Ana Maria Vladu 65 The problem of time in specifying input data for the correlation layer from the model of emergency warning systems / Nicolae-Dorel Constantinescu 75 Architecure of the Linux Watchdog software for the IP PBX / Mihai Constantin 89 From ERP to data mining on the web / Şerban Ghenea 99 A development process of the user-interfaces for the database applications / Adrian Alexandrescu 117 A proactive service level agreement management (SLAM) architecture in an intranet network / Codruţ Mitroi ELECTRONICS AND TELECOMMUNICATIONS 129 Policy controlled handover in mobile heterogenous netwoks / Mircea Axente-Stan, Eugen Borcoci 141 A new microstrip composite right/left-handed transmission line implementation / Andrei Anghel, Remus Cacoveanu 151 Revolution for evolution by closing to the inverse / Tudor Niculiu 169 Open 3D mesh parameterization based on edge ratio preservation / Bogdan Mocanu, Ruxandra Tapu, Teodor Petrescu 181 Convolutional /turbo encoding improvements for different multiuser detection algorithms in unperfect reception conditions / loana Marcu, Simona Halunga, lonuţ Pirnog, Alexandra Marţian, Cristina Oprea 197 A study on lexical chain identification and word sense disambiguation / Ştefan Daniel Dumitrescu, Ana Găinaru, Ştefan Trăuşan-Matu 213 The influence of geometry and electrical resistance of the thermoelectric legs in the µ-tec design / lulian Băncuţă, Gh. Valerica Cimpoca, Andreea Stancu, Roxana Băncuţă, Gheorghe Brezeanu 225 Signal processing for integrated hall effect sensors using switched capacitor circuits / Mihai-Alexandru lonescu, Daniela Bogdan, Andrei Danchiv, Mircea Bodea 235 A complete framework for video temporal segmentation / Ruxandra Ţapu, Bogdan Mocanu, Teodor Petrescu ELECTRICAL ENGINEERING 247 Electromagnetic behavior of zinc ferrites obtained by a coprecipitation technique / Simona A. Popescu, Paulina Vlazan, Ştefan Novaconi, loan Grozescu, Petru V. Noţingher

8 257 Optimal observability of PMU's using analytic hierarchy process (AHP) method / Sebastian Anghelescu, Gianfranco Chicco 267 Use of time domain spectroscopy for assessment of oil impregnated paper condition / Laurentiu Bşădicu, Bogdan Gorgan, Ştefan Buşoi, Laurenţiu Dumitran, Petru V. Noţingher 283 FPGA control for Three-Level Static Power Converters / Lucian Spătaru, Dan Floricău, Florin lonescu 297 Energy consumption saving solutions based on intelligent street lighting control system / Mircea Popa, Costin Cepişcă POWER ENGINEERING 309 Vulnerability aria to disturbance in electricity network / Gabriel Constantin Bucătaru, Ion Triştiu, Nicolae Golovanov 319 Dealing with uncertainties in nuclear safety analyses - Part II (Deterministic Approach) / Minodora Apostol, Aureliu Leca, Marin Constantin,Ilie Prisecaru 339 Identification of economic and financial decision-making steps for an electricity consumer who decides to become an electricity generator too / Cristina Loghin, Aureliu Leca Oprac. BPK