Browsing 2019 by Title

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  • Identification of the mathematical model of the control object based on the genetic algorithm 
    COJUHARI, Irina; FIODOROV, Ion; IZVOREANU, Bartolomeu; MORARU, Dumitru; LISNIC, Inga (Tehnica UTM, 2019)
    In industrial automation is widely used the PID control algorithm and there are many tuning methods of typical controllers as: the empirical methods based on the classical methods of finding the tuning parameters developed ...
  • Influence elastic deformation and magnetic field on magneto- thermoelectric properties Bi, Bi1-xSbx semimetal wires 
    BODIUL, Pavel; PARA, Gheorghe; KOBYLIANSKAY, Anna; ISTRATE, Evghenii; MOLOSHNIK, Evghenii (Tehnica UTM, 2019)
    We repot on the experimental observation of the electron topological transition (ETT) in the semimetal Bi1-xSbx wires induced by the electric deformation and magnetic field and its influence on thermoelectric efficiency ...
  • Information technologies as a means of activating the training activity 
    PAXIMADI, Elena (Tehnica UTM, 2019)
    New information technology in education is a pedagogical technology that uses special means of programming and technical (film, audio, video means, computers and networks) telecommunications) for information activity.
  • Internet of things system for environmental map acquisition 
    BRAGARENCO, Andrei; MARUSIC, Galina (Tehnica UTM, 2019)
    The paper discusses the importance of contemporary electronic systems, with the focus on the development of distributed electronic equipment. Here the devices, potentially members of an Internet of Things (IoT) network, ...
  • Investigation of picosecond-pulse generation by two-section blue-violet semiconductor lasers 
    TRONCIU, Vasile; WENZEL, Hans; KNIGGE, Andrea (Tehnica UTM, 2019)
    In this paper, we focus on the generation of ps pulses in a blue-violet InGaN laser containing an additional section (called switching section) with a saturable absorber in axial direction. The main aim of this study is ...
  • KiboCUBE program for the launch of the TUMnanoSAT nanosatellite 
    BOSTAN, Viorel; BOSTAN, Ion; ILCO, Valentin; MELNIC, Vladimir; MARTINIUC, Alexei; SECRIERU, Nicolae (Tehnica UTM, 2019)
    The TUM National Space Technologies Center team was selected by the Japan Aerospace Agency (JAXA) and the United Nations Office for Outer Space Affairs (UNOOSA) for the fourth round of the KiboCUBE Program for the launch ...
  • Leveraging blockchain technology to assure security of SDN 
    AMEEN, Ali (Tehnica UTM, 2019)
    Software-defined networking is a new way of managing how computer networks behave, it gives more ability to manage the network nodes, facilitates policies enforcement, provides more speed in applying configurations on ...
  • Low dose rate effects in bipolar devices during longterm operation space electronic systems 
    PERSHENKOV, Viacheslav; BAKERENKOV, Alexander; FELITSYN, Vladislav; RODIN, Alexander; TELETS, Vitaliy; BELYAKOV, Vladimir; ZHUKOV, Alexander (Tehnica UTM, 2019)
    The maintenance of uninterrupted successful operation space system for navigation and investigation of different astronomic objective (planets, universes, nebulas) demands the development of on-board electronic systems ...
  • Low power thermocatalytic sensors with nanostructured gas sensitive materials 
    SAMOTAEV, Nikolay; OBLOV, Konstntin; IVANOVA, Anastasia; PERSHENKOV, Viacheslav (Tehnica UTM, 2019)
    Micro-catalytic gas sensors are essential devices for detection of combustive gases up to lower explosion limit (LEL). As the power dissipation of Pt coil based sensors are 120 - 150 mW [1] intensive research is devoted ...
  • Magneto- seebeck coefficient Bi1-XSbX microwires for thermoelectric applications 
    NIKOLAEVA, Albina; KONOPKO, Leonid; HUBER, Tito; POPOV, Ivan; KOBYLIANSKAY, Anna (Tehnica UTM, 2019)
    Due to development of new concepts such as the low- dimensional structures [1] and influence the quantum confinement of change carrier acoustic phonon –boundary scattering for increase figure of merit ZT=2/(T) opened ...
  • Manosensors based on individual hibrid structures and their application in gas sensing at room temperature 
    POSTICA, Vasile; GRÖTTRUP, Jorit; ADELUNG, Rainer; SONTEA, Victor; LUPAN, Oleg (Tehnica UTM, 2019)
    During the last decades, the progress of bottom-up technologies has emerged in fabrication of high-performance nanodevices based on individual nano- and microstructures [1-3]. A special attention has been paid for metal ...
  • Measuring approach for semiconductor nanostructured gas sensors parameters 
    VERJBITKI, Valeriu; RAILEAN, Serghei; LUPAN, Oleg (Tehnica UTM, 2019)
    The development of new technologies for extracting and testing the parameters of nanostructures based on semiconductor oxides required the development of special instruments for measuring the parameters of such structures ...
  • Mentoring engineering students 
    GOGOI, Elena (Tehnica UTM, 2019)
    Today successful teaching is not about holding and sending information to students, neither is efficient learning about passively processing and memorizing significant amounts of text in order to get higher test scores. ...
  • Microheaters for copper oxide based gas sensors 
    TROFIM, Viorel; ABABII, Nicolai; LUPAN, Oleg (Tehnica UTM, 2019)
    In recent years, gas sensors based on oxide semiconductors such as copper oxide [1], have a very high development progress, as their market demands are high for the detection of toxic and flammable gases, as well as their ...
  • Microservice based system for paper documents counterfeit detection 
    OLEINIC, Serghei; BEȘLIU, Victor; SCOROHODOVA, Tatiana (Tehnica UTM, 2019)
    The anti-counterfeiting is widely in demand and significant financial resources are constantly allocated for anti-counterfeiting. Eventually these additional expenses are reflected in the final price of a product, that ...
  • Modeling of sensor networks with limited access to the communication resources 
    BORDIAN, Dimitri; ABABII, Constantin; OSOVSCHI, Mariana; BOROZAN, Olesea; TURCAN, Ana; CALUGARI, Dmitri (Tehnica UTM, 2019)
    The technological development, in the last years, ensures the design and implementation process of sensor networks for different fields of the economy with hardware devices and software solutions. Nowadays, it’s impossible ...
  • Modelling reliability of serial-parallel and parallel-serial networks with constant numbers of subnetworks and units 
    ANDRIEVSCHI-BAGRIN, Veronica (Tehnica UTM, 2019)
    On the basis of dynamic mathematical models, a comparative analysis of the reliability of two types of networks (serial-parallel and parallel-serial) is performed in our paper. Cases are analyzed when the numbers of ...
  • Monitoring of river-type aquatic ecosystems for forecasting the pollutant spreading process 
    ABABII, Victor; SUDACEVSCHI, Viorica; BRANISTE, Rodica; CEBAN, Gheorghe; BORDIAN, Dimitrie; BOROZAN, Olesea (Tehnica UTM, 2019)
    The given work is dedicated to the development of a system for real-time monitoring of river-type aquatic ecosystems. The developed system can be applied to forecast the dispersion of pollutants on the surface and on the ...
  • Monitoring software for crop cultivation 
    FIODOROV, Ion; COJUHARI, Irina; IZVOREANU, Bartolomeu; MORARU, Dumitru; VASILIU, Gheorghe (Tehnica UTM, 2019)
    On the large scale, there is used the greenhouses, which are providing the most comfortable conditions for the growing of plants in limited space. The microclimate of a greenhouse must be balanced and it should be taking ...
  • On maintaining optimal conditions for managing information flows in telecommunication networks 
    NISTIRIUC, Ana; ABABII, Victor; CHIHAI, Andrei; NICOLAEV, Pavel; NISTIRIUC, Ion; BEJAN, Nicolae; NISTIRIUC, Pavel (Tehnica UTM, 2019)
    In the present paper we have found Lapiace-Stiltiece transformation for the time of message delivery to the receiver, as well as its response in the form of appropriate controlling frames. We have obtained the expression ...

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