Browsing 2019 by Title

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  • The algoritm of tuning the PID controller to the unstable model of object with inertia second order 
    IZVOREANU, Bartolomeu; POTLOG, Mihail; COJUHARI, Irina; FIODOROV, Ion; MORARU, Dumitru; POPOVICI, Nadejda; SECRIERU, Adrian (Tehnica UTM, 2019)
    The unstable model of the control object with inertia second order with known parameters is given. In order to tune the PID algorithm to these types of control models, several methods can be used as the root-locus ...
  • Analysis and treatment of risks in information systems 
    LISNIC, Inga; SCROB, Sergiu; COJUHARI, Irina (Tehnica UTM, 2019)
    The risk is the mathematical estimation of the probability of human loss, material damage, environmental damage, social and psychological damage, over a reference period, respectively future and in a given area, for a ...
  • Analysis of routing techniques in mobile ad-hoc networks 
    HLOPEANICOV, Claudia (Tehnica UTM, 2019)
    Mobile ad hoc networks (MANET) are self-configuring networks of nodes connected by wireless connections without any form of centralized management. They are currently one of the most important research subjects due to the ...
  • Analysis of telecommunication networks by enlarging simulated parameters 
    NISTIRIUC, Ana; ABABII, Victor; CHIHAI, Andrei; NICOLAEV, Pavel; NISTIRIUC, Ion; BEJAN, Nicolae; NISTIRIUC, Pavel (Tehnica UTM, 2019)
    Proposed in this paper is the new technique of distributed telecommunication networks research. It is based on penetration of parameters, determined analytically, into simulated parameters and vice versa. Introduction of ...
  • Analysis of the energy characteristics of M – QAM signals at turning of signal constellations 
    MIHAILOV, Andrei; SESTACOVA, Tatiana; SOROCHIN, Gherman (Tehnica UTM, 2019)
    The paper considers the effect of the rotation of the signal constellation on the energy characteristics (signal to noise ratio) of quadrature multi-point modulation methods. Based on the error vector in the Matlab + ...
  • Angle dependence of the magnetoresistance in bi nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ROGACKI, Krzysztof (Tehnica UTM, 2019)
    Bulk bismuth has been classified as a trivial topological insulator (TI) where the surface states do not have topological protection. Still, the electronic mobility of surface states is exceptionally large. This is not ...
  • Approximate performance analysis of computing process by aggregated HSPN with fuzzy parameters 
    GUȚULEAC, Emilian; ZAPOROJAN, Sergiu; MORARU, Victor; SCLIFOS, Alexei (Tehnica UTM, 2019)
    One of the most widespread modern formalisms, used for the model-based performance and dependability evaluation of complex computing systems and networks, with discrete-continuous processes, are the fluid stochastic Petri ...
  • Automate plagiarism detection 
    STRATULAT, Eugeniu; STROIANEȚKI, Stanislav; BOBICEV, Victoria (Tehnica UTM, 2019)
    The paper presents a study in which an application for plagiarism detection has been created. It has been evaluated using the set of documents provided by PAN 2009 task on external plagiarism detection [1]. The task has ...
  • Automatic control system for crop cultivation 
    FIODOROV, Ion; COJUHARI, Irina; IZVOREANU, Bartolomeu; MORARU, Dumitru; BALABAN, Eugeniu (Tehnica UTM, 2019)
    Nowadays, greenhouses are widely used, they permit to exclude the influence of climatic factors and to ensure a stable crop of fresh vegetables. For the large scale in the greenhouses is used the automation, that suppose ...
  • The beneficial effects of e-Governance for moldovan society 
    LAZARIUC, Cristina (Tehnica UTM, 2019)
    The changes that take place in the information society determine the consolidation of a new type of social relations and also of a new legal framework that is regulating the interaction between citizens and their ...
  • Characteristics of some apportionment methods by computer simulation 
    BOLUN, Ion (Tehnica UTM, 2019)
    In examined homogeneous multi-optional systems, the decision is made on two or more final options, consisting of parts of a homogeneous resource measured in integers; the resource in question is apportioned to beneficiar ...
  • Cognitive computing system based on distributed knowledge 
    SUDACEVSCHI, Viorica; MUNTEANU, Silvia; ABABII, Victor; BRANISTE, Rodica; BOROZAN, Olesea; ALEXEI, Victoria (Tehnica UTM, 2019)
    In the current paper the results of research and development of a computational system with cognitive properties based on inhomogeneous knowledge distributed by a set of Intelligent Agents are presented.
  • Computer ethics – problems and solutions 
    LOZOVANU, Ecaterina (Tehnica UTM, 2019)
    In the last decades of the 20th century, since computer technologies have become part of many aspects of daily life, in the specialized literature more and more insistent were promoted the ideas, which supported the existence ...
  • CTS optimization on 3D integration 
    PLETEA, Ionica-Marcela; SONTEA, Victor; ALECSANDRESCU, Iolanda (Tehnica UTM, 2019)
    In this article we have implemented and optimized Clock Tree in a design placed 3D and we have analyzed the results and the impact of reducing wire length on the area, power and timing of the built clock tree. Due to ...
  • Data Science approach for IT project management 
    GRABIS, Janis; HAIDABRUS, Bohdan; PROTSENKO, Serhiy; PROTSENKO, Iryna; ROVNA, Anna (Tehnica UTM, 2019)
    Majority of the IT companies realized that ability to analyse and use data, could be one of the key factors for increasing of number of successful projects, portfolios, programs. Key performance indicators based on data ...
  • Decision-making processes for intelligent agents 
    LISNIC, Inga; SCROB, Sergiu; COJUHARI, Irina (Tehnica UTM, 2019)
    The purpose of this article is to harmonize decision-making processes. The theory of decision-making is a totality of methods (mathematical, intuitive or otherwise) designed to find the best possible variants that allow ...
  • Design and develop BB84 protocol 
    RĂDUCANU, Octavian; BODOGA, Cristina (Tehnica UTM, 2019)
    Since ancient times, methods of coding information have been used to ensure confidentiality. Roman Emperor Caesar proposed among the first a substitution-based encryption algorithm. Today it is called Caesar Cipher. The ...
  • Determination of the charge carrier system parameters in Pb0.82Sn0.18Te 
    MEGLEI, D.; ALEKSEEVA, S. (Tehnica UTM, 2019)
    The temperature dependences of electrical conductivity (σ), Hall coefficient (R), thermopower (α), and Nernst-Ettingshausen coefficient (Q) for five Pb0.82Sn0.18Te samples with different charge carrier concentrations in a ...
  • Developed and implemented the programmer for AVR and PIC microcontrollers, based on PIC32MX microcontroller through SPI + DMA 
    POPA, Victor (Tehnica UTM, 2019)
    The purpose of this study is to develop an embedded system , that will have the role of programmer for different microcontrollers from the AVR and PIC family.
  • Disturbance stability improvement of the device for detecting defects of electric cable 
    TINCOVAN, Serghei (Tehnica UTM, 2019)
    When carrying out preventive maintenance and repair, it is necessary to localize and identify defects in power cables under conditions of an increased level of industrial interference. Most of the known devices for ...

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