• Preparation and Characterization of Carbon Paste Electrode Bulk-Modified with Multiwalled Carbon Nanotubes and Its Application in a Sensitive Assay of Antihyperlipidemic Simvastatin in Biological Samples 

  Amirmansoor, Ashrafi; Richtera, Lukáš (MDPI, 2019-06-02)

  Determination of an antihyperlipidemic drug simvastatin (SIM) was carried out using a carbon paste electrode bulk-modified with multiwalled carbon nanotubes (MWCNT-CPE). Scanning electrochemical microscopy (SECM), scanning ...

• Design of Fractional-Order Integrator Controlled by Single Voltage Gain 

  Šotner, Roman; Petržela, Jiří; Jeřábek, Jan; Herencsár, Norbert; Andriukaitis, Darius (IEEE, 2019-07-01)

  This work presents analyses of interaction of fractional- and integer-order transfer functions when their responses are added together by simple linear operation of sum. The mathematical background is very complex but ...

• Comparative Study of Op-Amp-based Integrators Suitable for Fractional-Order Controller Design 

  Herencsár, Norbert; Kartci, Aslihan; Yildiz, Hacer A.; Šotner, Roman; Dvořák, Jan; Kubánek, David; Jeřábek, Jan; Koton, Jaroslav (IEEE, 2019-07-01)

  In this paper, a fractional-order capacitor (FOC) of an order = 0.89 (i.e. constant phase angle –80.1 degree) was emulated via Valsa RC network with five branches. The network component values were optimized using modified ...

• VDIBA-Based Fractional-Order Oscillator Design 

  Kartci, Aslihan; Herencsár, Norbert; Dvořák, Jan; Vrba, Kamil (IEEE, 2019-07-01)

  This paper deals with a voltage-mode integer- and fractional-order oscillator design providing compact and simple CMOS structure. The proposed circuit consists of only one grounded/floating capacitor, one grounded/floating ...

• Synthesis and Optimization of Fractional-Order Elements Using a Genetic Algorithm 

  Kartci, Aslihan; Agambayev, Agamyrat; Farhat, Mohamed; Herencsár, Norbert; Brančík, Lubomír; Bagci, Hakan; Salama, Khaled Nabil (IEEE, 2019-06-14)

  This study proposes a new approach for the optimization of phase and magnitude responses of fractional-order capacitive and inductive elements based on the mixed integer-order genetic algorithm (GA), over a bandwidth of ...

• Visible Light Communication: A System Perspective - Overview and Challenges 

  Rehman, Saeed; Ullah, Shakir; Chong, Peter; Yongchareon, Sira; Komosný, Dan (MDPI, 2019-03-07)

  Visible light communication (VLC) is a new paradigm that could revolutionise the future of wireless communication. In VLC, information is transmitted through modulating the visible light spectrum (400–700 nm) that is used ...

• Millimeter Wave Vehicular Channel Emulation: A Framework for Balancing Complexity and Accuracy 

  Blazek, Thomas; Zöchmann, Erich; Mecklenbräuker, Christoph (MDPI, 2018-11-16)

  We propose a general framework for the specification of a sparse representation of millimeter wave vehicular propagation channels and apply this to both synthetic data and real-world observations from channel sounding ...

• Positioning Information Privacy in Intelligent Transportation Systems: an Overview and Future Perspective 

  Ometov, Aleksandr; Bezzateev, Sergey; Davydov, Vadim; Shchesniak, Anna; Mašek, Pavel; Lohan, Elena Simona; Koucheryavy, Yevgeni (MDPI, 2019-03-26)

  Today, one of the most promising markets in the world is related to vehicular niche. At the same time, one of the challenges for enabling autonomous cars in the Intelligent Transportation Systems (ITS) is the positioning ...

• Simultaneous Transmission of Photonic Services over One Fiber with an ITU 100 GHz Grid 

  Horváth, Tomáš; Münster, Petr; Vojtěch, Josef; Smotlacha, Vladimír (MDPI, 2019-04-02)

  The increasing interest in distributed sensors and the decreasing price of optical components have led to leveraging the use of existing fiber in deployments over optical networks and more application possibilities (from ...

• Aerosol assisted chemical vapour deposition of gas sensitive SnO2 and Au-functionalised SnO2 nanorods via a non-catalysed vapour solid (VS) mechanism 

  Vallejos Vargas, Stella; Selina, Soultana; Annanouch, Fatima; Grácia, Isabel; Llobet, Eduard; Blackman, Chris (Nature, 2016-06-23)

  Tin oxide nanorods (NRs) are vapour synthesised at relatively lower temperatures than previously reported and without the need for substrate pre-treatment, via a vapour-solid mechanism enabled using an aerosol-assisted ...

• Raman and XPS studies of ammonia sensitive polypyrrole nanorods and nanoparticles 

  Šetka, Milena; Calavia, Raul; Vojkůvka, Lukáš; Llobet, Eduard; Drbohlavová, Jana; Vallejos Vargas, Stella (Springer Nature, 2019-06-11)

  Raman and XPS studies of ammonia sensitive polypyrrole nanorods and nanoparticles, respectively and tested upon ammonia exposure using Raman and X-ray photonelectrone spectroscopy (XPS). Characterization of both nanomaterilas ...

• Simulation of Achievable Data Rates of Broadband Power Line Communication for Smart Metering 

  Mlýnek, Petr; Mišurec, Jiří; Šilhavý, Pavel; Fujdiak, Radek; Sláčik, Ján; HASIRCI, Zeynep (MDPI, 2019-04-12)

  This paper presents results of such a simulation study. It is based on realistic PLC channel model implementation in Network Simulator 3, our modification and extension of this implementation for our use case scenario. It ...

• A Sensor System for Detecting and Localizing Partial Discharges in Power Transformers with Improved Immunity to Interferences 

  Drexler, Petr; Čáp, Martin; Fiala, Pavel; Steinbauer, Miloslav; Kadlec, Radim; Kaška, Miloš; Kočiš, Lubomír (MDPI, 2019-02-22)

  The paper reports on the solution, principles, and application results related to a system for diagnosing main transformers in power plants via the radiofrequency method. The subject of the diagnostics is the occurrence ...

• CMOS Current Feedback Operational Amplifier-Based Relaxation Generator for Capacity to Voltage Sensor Interface 

  Polák, Ladislav; Šotner, Roman; Petržela, Jiří; Jeřábek, Jan (MDPI, 2018-12-18)

  This paper presents a simple relaxation generator, suitable for a sensor interface, operating as a transducer of capacitance to frequency/period. The proposed circuit employs a current feedback operational amplifier, ...

• Two-Terminal Algorithm Analysis for Unsymmetrical Fault Location on 110 kV Lines 

  Bukvišová, Zuzana; Orságová, Jaroslava; Topolánek, David; Toman, Petr (MDPI, 2019-03-27)

  This work analyses a two-terminal algorithm designed to locate unsymmetrical faults on 110 kV power transmission lines. The algorithm processes synchronized voltage and current data obtained from both ends of the protected ...

• A Physical Calibrator for Partial Discharge Meters 

  Krbal, Michal; Pelikán, Luděk; Štěpánek, Jaroslav; Orságová, Jaroslava; Kolcunová, Iraida (MDPI, 2019-05-29)

  This article offers an alternative method of calibrating partial discharge meters for research and teaching purposes. Most current modern calibrators are implemented as precise voltage pulse sources with a coupling capacitor. ...

• A Non-Destructive Impedance Method Using Resonance to Evaluate the Concentration of Steel Fibers in Concrete 

  Bachorec, Tibor; Fiala, Pavel; Steinbauer, Miloslav; Roubal, Zdeněk (De Gruyter, 2018-10-08)

  Steel-fiber reinforced concrete is a composite material characterized by outstanding tensile properties and resistance to cracking. The concrete, however, exhibits such characteristics only on the condition that the steel ...

• An Experiment to Prove the Effect of Low-Level Magnetic Fields Resulting from Ionospheric Changes on Humans 

  Hanzelka, Michael; Dan, Jiří; Šlepecký, Miloš; Holcner, Vladan; Dohnal, Přemysl; Kadlec, Radim (De Gruyter, 2017-02-27)

  The investigation presented in the paper was performed in the laboratories of the Department of Theoretical and Experimental Electrical Engineering, Faculty of Electrical Engineering and Communication, Brno University of ...

• Acidogenesis, solventogenesis, metabolic stress response and life cycle changes in Clostridium beijerinckii NRRL B-598 at the transcriptomic level 

  Patáková, Petra; Branská, Barbora; Sedlář, Karel; Vasylkivska, Maryna; Jurečková, Kateřina; Kolek, Jan; Cicková, Pavlína; Provazník, Ivo (Springer Nature, 2019-02-04)

  Clostridium beijerinckii NRRL B-598 is a sporulating, butanol and hydrogen producing strain that utilizes carbohydrates by the acetone-butanol-ethanol (ABE) fermentative pathway. The pathway consists of two metabolic phases, ...

• Optimized High Resolution 3D Dense-U-Net Network for Brain and Spine Segmentation 

  Kolařík, Martin; Burget, Radim; Uher, Václav; Říha, Kamil; Dutta, Malay Kishore (MDPI, 2019-02-15)

  The 3D image segmentation is the process of partitioning a digital 3D volumes into multiple segments. This paper presents a fully automatic method for high resolution 3D volumetric segmentation of medical image data using ...

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