249 articole găsite pentru „control”.
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RESEARCHES ON IMPROVING THE MANUFACTURING ACCURACY OF CNC CUTTING MACHINES
Cristina BIRIŞ, Octavian BOLOGA, Claudia GÎRJOB
This paper presents the experimental researches results carried out to optimize the dynamic behaviour of a NC machine-tool regarding the cutting precision. The aim is to detail the influence of the numerical control equipment setup on the size of the contouri…
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EFFICIENT COMPUTATIONS WITH STRUCTURED MATRIX PENCILS IN AUTOMATIC CONTROL
Vasile SIMA
There is a continuous research effort worldwide to improve the reliability, efficiency, and accuracy of numerical calculations in various domains. One of the most promising research avenue is to exploit the structural properties of the mathematical problems t…
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ANALIZA PARAMETRICĂ REOLOGICĂ A PROCESULUIDE COMPACTARE DINAMICĂ A PĂMÂNTURILOR ÎN REGIM CONTROLAT DE VIBRAŢII FORŢATE
Cornelia-Florentina DOBRESCU
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POSSIBLE MEASURES OF TAKING-OVER/ DYNAMIC CONTROL OF SEISMIC ACTIONS APPLICABLE TO URBAN UTILITY SYSTEMS. SEISMIC WAVES DEFLECTION/ DAMPING USING METAMATERIALS
Bogdan UNGUREANU, Gabriela M. ATANASIU, Victoria COTOROBAI
Nowadays, an accurate seismic prediction regarding the date, location and magnitude is still a challenge, thing that implies taking into consideration efficient, preventive, seismic risk management measures, not only for civil buildings but also for urban uti…
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MÖSSBAUER EFFECT INVESTIGATION OF FE-C STEEL ELECTROLYTIC GALVANISATION
Ion BIBICU, Caius BULEA, Vasile RUS
Galvanizing is a very well known industrial process for anticorrosive and protection coatings. At first sight, galvanizing should not need any further important research and development involvement but many reasons contradict this appreciation: the constant e…
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SUSTAINABLE DEVELOPMENT THROUGH PHOTOVOLTAIC ENERGY
Mihai CRENGANIS, Octavian BOLOGA
Our paper presents general aspects regarding renewable energy and its technologies. We are summarizing the characteristics of the photovoltaic energy. Also the paper describes the main components of a 24 MW photovoltaic project around Sibiu city. The goal of …
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RESULTS REGARDING MONITORING OF THE RISKS IN THE ROMANIA-BULGARIA CROSS-BORDER AREA
Gheorghe MANOLEA, Laurențiu ALBOTEANU, Constantin ȘULEA
In the period 2011-2014 was developed the cross-border project RO-BG MIS ETC 166 ”Joint Risk Monitoring during Emergencies in the Danube Area Border ”.The objectives were:1. Conceiving and realization of photovoltaic system for anti-hail units power supply sy…
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EDUCATION, TRAINING AND SOCIAL INCLUSION
George BĂLAN, Larisa DRAGOLEA
The core element of the society, the element of great importance for all components of the socio-economic system, is education. Education is that which should give the young the ability to perceive the essence (' what ') you should give them the freedom to li…
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TACKLING EMERGING OCCUPATIONAL RISK LANDSCAPE: PROSPECTS AND CHALLENGES
Nicolae ILIAŞ, Roland Iosif MORARU, Mihai POPESCU STELEA
This article is aimed at analysing and summarizing significant information which are available regarding the basic issues of common concern, across Europe and worldwide, regarding the so-called emerging occupational risks, in terms of bodies responsible for p…
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AN ANALYTIC METHOD FOR TWO-PORT PASSIVE NETWORK
COMPUTING FOR ANALYSIS OF COUPLED OSCILLATORS
Mihai IORDACHE, Lucia DUMITRIU, Lucian MANDACHE, Dragos Niculae, Jean-Marie PAILLOT (Franta), David CORDEAU (Franta)
Voltage controlled oscillators are present in the most of the digital communication system. In our days, they are used to control the phase in microwave antenna arrays. Researches are made so that a particular phase shift can be obtained by choosing the fre…
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POWER SYSTEM OPERATION IN A CHANGING
ENVIRONMENT
Walter Sattinger (Elvetia)
Currently worldwide all power systems are faced with dramatically changes. After restructuring the system operation due to unbundling and deregulation and related high volatility of power flows at the level of transmission, we can observe substantial change…
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EFICIENTA ENERGETICA IN INSTALATIA DE ILUMINAT DIN LABORATORUL DE TEHNICA DENTARA SI CABINETUL DE MEDICINA DENTARA
Drd. ing. Pavel STEFAN
Un loc de munca atat de special, cum sunt laboratorul de tehnica dentara si cabinetul de medicina dentara, unde se desfasoara o activitate extrem de diversificata, exista in permanenta loc pentru imbunatatiri. Crearea unei instalatii de iluminat artificial d…
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AERONAVELE FARA PILOT SI UTILIZAREA LOR IN DOMENIII CIVILE SI MILITARE
Ing. Tudor TOMESCU (Germania), Ing. Traian TOMESCU, Dr. ing. Dorin ROSU, Dr. ing. Dragos POPA
Lucrarea prezinta unele realizari din ultimii 30 de ani in domeniul aeronavelor fara pilot a caror comanda este asigurata prin radio. Aceste aeronave nu au la bord persoane umane iar pentru comanda lor se folosesc sisteme de dirijare prin radio de la sol. E…
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Automatic system to control thermo¬dynamic parameters of a pilot cogeneration plant
Lontis Nicolae, Popescu Francisc, Ionel Ioana, Trif Tordai Gavrila
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The use of eucalyptus oil for wireworms control in energetic willow crops
Tucu Dumitru, Hollerbach Wilhelm
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Noise control for railway structures
Stepan Dan Simion, Balogh Ramon Mihai, Ionel Ioana
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Seismicitatea regiunii seismice Banat - monitorizare, caracteristici, hazard seismic local
Eugen Oros
Lucrarea prezinta o scurta sinteza a celor mai noi rezultate obtinute in cercetarile seismologice din partea de Vest a Romaniei, bazate pe baze de date noi. Partea de Vest a Romaniei (denumita uzual Regiunea Seismica Banat, RSB) este cea mai importanta zona s…
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Learning quality control in the French mechanical engineering cursus
Rodolphe Mouchel, Tommy Tonnelier (Franta)
This work’s aim is to show how the knowledge acquisition, and so the quality of the learning, is checked all along the French mechanical engineering curriculum, ensuring a good quality to the final graduation.
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Controlul calitatii apelor subterane
Cornelia Muntean, Adina Negrea, Lavinia Lupa, Petru Negrea, Mihaela Ciopec
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Strategii de comanda si control ale turbinelor de vint de mare putere
Lucian Mihet-Popa