Browsing 2017 by Issue Date

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  • Latvian Electrical Power System Stability’s Analysis Taking into Account New Development Strategy Until 2025 
    ZICMANE, Inga; BERZINA, Kristina; SOBOLEVSKIS, Aleksejs; KOVALENKO, Sergejs (Institute of Electrical and Electronics Engineers, 2017)
    Energy is one of the sectors directly affecting the economic growth and forming a significant part of overall expenses in several industry branches, especially in manufacturing. The development of the energy sector requires ...
  • Self-Assessment as a Key Criterion for Increase of Quality of Higher Education in Modern Conditions 
    BERZINA, Kristina; ZICMANE, Inga; KUCKOVSKIS, Jevgenijs (Institute of Electrical and Electronics Engineers, 2017)
    The process of globalization poses new challenges for the government in the field of education system regulation. The growing importance of the need for a qualitative assessment of the state of the educational process ...
  • Elevator Drives. Present Trends and Perspectives 
    BLANUŠA, Branko; KNEŽEVIĆ, Bojan; ERCEG, Bojan; LEKIĆ, Đorđe; MRŠIĆ, Predrag (Institute of Electrical and Electronics Engineers, 2017)
    In this paper some of the problems related to electrical drives in modern elevators are presented. These are the modeling of jerk and the definition of the motion trajectory, power savings, efficiency optimization and ...
  • Hybrid Petri Nets a Framework for Hybrid Systems Modeling 
    DRIGHICIU, Mircea Adrian (Institute of Electrical and Electronics Engineers, 2017)
    The purpose of this paper is to present the achievement of the Hybrid Petri Nets techniques used for modeling and behavioral analysis of a class of hybrid systems. In our sense, a dynamic hybrid system contains at least ...
  • Design of a Sliding Mode Controller to Eliminate the Limit Cycle in Chaotic Van der Pol System in Comparison with State Feedback Controllers 
    AHMAD, Shahzad; YASIN, Abdul Rehman; PLESCA, Adrian; YOUNIS, Usman (Institute of Electrical and Electronics Engineers, 2017)
    In this paper sliding mode controller is designed in comparison with the linear state space feedback controllers namely the pole placement controller and linear quadratic regulator to eliminate the chaotic limit cycle ...
  • Camera Calibration and Tracking for Gimballed Like Eye Structure in Robots with Hardware Implementation 
    YASIN, Abdul Rehman; PLESCA, Adrian; ASHRAF, Muhamamd; AHMAD, Shahzad; NASIRULLAH, Rudania; NASEER, Huma; ADAM, Muhammad (Institute of Electrical and Electronics Engineers, 2017)
    Confront location based on camera tracking is an active research area as it offers numerous applications, particularly for security-based surveillance, robot vision and visual guidance. This paper presents a camera calibration ...
  • Automatic Temperature Control in 3D Printing of the Polymer Details 
    COJUHARI, Irina; FIODOROV, Ion; IZVOREANU, Bartolomeu; MORARU, Dumitru; BOTNARU, Sorin (Institute of Electrical and Electronics Engineers, 2017)
    In this paper it is designed the automatic system for formation the small pieces from polymer, based on the principle of thermoplastic extrusion. The system has a goal to form pieces with a maximum volume of 20535 mm3. ...
  • Simultaneous Estimation of Speed and Rotor Resistance in the Sensorless Vector Control Systems with Induction Motors 
    STOICUTA, Olimpiu; PANA, Teodor; MOLNAR, Robin; DEACONU, Daniel (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a new method of simultaneous estimation of speed and rotor resistance of an induction motor, from a sensorless vector control system. The simultaneous estimation of the speed, rotor flux and of rotor ...
  • Wavelet Transform and Neural Network Based Control Strategy for Hybrid Energy System 
    BACIU, Alina-Georgiana; LIVINT, Gheorghe (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a control strategy for a hybrid electric vehicle with two energy sources on board: battery and ultracapacitor. For this configuration it is proposed a new method for prediction of power demand time ...
  • Time Delay Evaluation in Printed Circuit Boards based on Timed Hard Petri Nets 
    SUDACEVSCHI, Viorica; ABABII, Victor; CALUGARI, Dmitri; BORDIAN, Dimitrie (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a synthesis method for delay time evaluation in the printed circuit boards based on Timed Hard Petri Nets. For the specification and modeling of the delay time evaluation system, Timed Synchronous Petri ...
  • Robust control of MPPT of a PV cell 
    DARAB, Cosmin; TURCU, Antoniu; STEFANESCU, S.; BOTEZAN, A.; PICA, Constantin; PAVEL, Sorin (Institute of Electrical and Electronics Engineers, 2017)
    This work presents a robust control approach for Maximum Power Point Tracking (MPPT) of a standalone solar Photo Voltaic (PV) system, in order to boost its efficiency. For testing the algorithm, it was considered an 80W ...
  • Novel Method for Control of non linear system based on Negative Acceleration 
    BENMILOUD, Tarek (Institute of Electrical and Electronics Engineers, 2017)
    In this paper, a novel method of control of non linear system is presented. The new concept describes a method to obtain a stabilized control of non linear system. This method shows that by imposing a negative value for ...
  • Manufacturing and Clinically Testing Embedded Electrodes in Knitted Textiles for Neurorehabilitation 
    POBORONIUC, Marian-Silviu; IRIMIA, Danut; POBORONIUC, Ioana; IGNAT, Bogdan; CURTEZA, Antonela; MACOVEI, Laura; CRETU, Viorica; BUZDUGAN, Maria (Institute of Electrical and Electronics Engineers, 2017)
    Functional Electrical Stimulation (FES) aims to induce programmed exercises in paralyzed limbs of people who suffered a stroke, in order to improve their rehabilitation process. Nowadays, surface pre-gelled transcutaneous ...
  • 18-pulse Transformer Device for Flexible Connection of Asynchronous Power Systems 
    BOSNEAGA, Valeriu; SUSLOV, Victor (Institute of Electrical and Electronics Engineers, 2017)
    Transmission of active power between power systems with the same nominal frequencies, linked via phaserotating transformer is examined. The device is based on hexagonal scheme, and due to new proposal, provides symmetrical ...
  • Locus Diagrams of Net Magnetic Field Vector of Dual Winding Induction Motor 
    CANAKOGLU, Ali Ihsan; MURAT, Mehmet; ASIM, Tezcan; YETGIN, Gökhan; CEVHER, Barış; TURAN, Mustafa (Institute of Electrical and Electronics Engineers, 2017)
    The rotating magnetic field is the major concept of induction and synchronous machines. For a three phase induction motor, locus of net magnetic field of single winding stator is a circle which radius is equal to 3/2 times ...
  • About Monitoring of Joint Coils from Electric Traction Railway 
    MUNTEANU, Adrian; ADAM, Maricel; ANDRUŞCĂ, Mihai; DRAGOMIR, Alin; BOGHIU, Elvis (Institute of Electrical and Electronics Engineers, 2017)
    The general structure of the electric traction system highlights the complexity and diversity of electrical equipment from the power supply. The return circuit, part of electric traction railway, consists of the running ...
  • Considerations Regarding Infrared Thermal Stresses Monitoring of Electrical Equipment 
    DRAGOMIR, Alin; ADAM, Maricel; ANDRUŞCĂ, Mihai; MUNTEANU, Adrian; BOGHIU, Elvis (Institute of Electrical and Electronics Engineers, 2017)
    The paper aim is to analyze the way in which the electrical load influences the infrared thermal images of the thermal stresses of electrical equipment determined by using infrared thermography devices. In order to obtain ...
  • Aspects Regarding Controlled Switching of the Vacuum Circuit Breaker 
    BOGHIU, Elvis; MARICEL, Adam; ANDRUSCA, Mihai; DRAGOMIR, Alin; MUNTEANU, Adrian (Institute of Electrical and Electronics Engineers, 2017)
    The paper describes how different parameters from vacuum circuit breaker influence the closing and opening time. Operational voltage, ambient temperature or hydraulic pressure can introduce delays in opening and closing ...
  • About a Matlab Graphical User Interface to Analyze Stresses During the Transient Regimes in the High Voltage Substations 
    BROJBOIU, Maria; IVANOV, Virginia (Institute of Electrical and Electronics Engineers, 2017)
    In this paper is presented a Matlab graphical user interface useful to compute the thermal and dielectric stresses which means the parameters computation of the short circuit currents or transient recovery voltages which ...
  • Numerical Model for a Plunger-Type AC Electromagnet 
    POPA, Ioan C.; DOLAN, Alin-Iulian (Institute of Electrical and Electronics Engineers, 2017)
    In this paper we propose an approach for the determination of static force characteristic of a plunger-type AC electromagnet using 2D numerical model developed in QuickField software. The attraction electromagnetic force ...

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