Acta Polytechnica CTU Proceedings. 2015 ( vol. 2): Poslední příspěvky

Zobrazují se záznamy 41-60 z 75

    • A CASE FOR DOMAIN-INDEPENDENT DETERMINISTIC MULTIAGENT 

      Autor: Štolba, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The notion of planning using multiple agents has been around since the very beginning of planning itself. It has been approached from various viewpoints especially in the multiagent systems community. Recently, domain-independent ...

    • REINFORCED ENCODING FOR PLANNING AS SAT 

      Autor: Balyo, Tomáš; Barták, Roman; Trunda, Otakar
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Solving planning problems via translation to satisfiability (SAT) is one of the most successful approaches to automated planning. We propose a new encoding scheme, called Reinforced Encoding, which encodes a planning problem ...

    • PLANNING AND COORDINATION IN DRIVING SIMULATION 

      Autor: Schaefer, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We present an overview of coordination and planning tasks that we face with during the development of the AgentDrive simulation platform. We particularly describe an integration of the AgentDrive with a driving simulator ...

    • RECONNAISSANCE MICRO UAV SYSTEM 

      Autor: Gabrlik, Petr; Kriz, Vlastimil; Zalud, Ludek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This paper describes the design and implementation of the Uranus UAV. This quad-rotor flying robot was created to extend the abilities of the hitherto developed with airborne missions. The first part deals with the ...

    • VECTOR MAPS IN MOBILE ROBOTICS 

      Autor: Jelinek, Ales
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The aim of this paper is to provide a brief overview of vector map techniques used in mobile robotics and to present current state of the research in this field at the Brno University of Technology. Vector maps are described ...

    • Probing the Accretion Processes in Soft X-Ray Selected Polars 

      Autor: Traulsen, I.; Reinsch, K.; Schwope, A. D.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      High-energy data of accreting white dwarfs give access to the regime of the primary accretion-induced energy release and the different proposed accretion scenarios. We perform XMM-Newton observations of polars selected due ...

    • CVs Around the Minimum Orbital Period 

      Autor: Zharikov, S.; Tovmassian, G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We discussed features of Cataclysmic Variables at the period minimum. In general, most of them must be WZ Sge-type objects. Main characteristics of the prototype star (WZ Sge) are discussed. A part of WZ Sge-type objects ...

    • The Space Density of Magnetic and Non-magnetic Cataclysmic Variables, and Implications for CV Evolution 

      Autor: Pretorius, M. L.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We present constraints on the space densities of non-magnetic and magnetic cataclysmic variables, and discuss some implications for models of the evolution of CVs. The high predicted non-magnetic CV space density is only ...

    • Activity of the Polar AM Her (RX J1816.2+4952): A Short Review 

      Autor: Šimon, V.; Henden, A.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We show that AM Her displays the transitions between the high and low states with an intermittently existing dominant cycle with length between 400 and 800 days. Moreover, these transitions accumulate in clusters, which ...

    • Workshop on The Golden Age of Cataclysmic Variables and Related Objects - II . 

      Autor: Foreword, Editorial,
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Organizing Institutions:INAF – Istituto di Astrofisica e Planetologia Spaziali, Roma – INAF-IAPS, Roma, ItalyINTA – Dpt. de Cargas Utiles y Ciencias del Espacio, INTA-DCUCE, Madrid, SpainCzech Republic Academy of Sciences ...

    • White Dwarfs in Cataclysmic Variables: An Update 

      Autor: Sion, E. M.; Godon, P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      In this review, we summarize what is currently known about the surface temperatures of accreting white dwarfs in nonmagnetic and magnetic cataclysmic variables (CVs) based upon synthetic spectral analyses of far ultraviolet ...

    • Simultaneous UBVRI Observations of the AE Aquarii Blobs 

      Autor: Latev, G.; Zamanov, R.; Boeva, S.; Stoyanov, K.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We summarize the results of our study of the cataclysmic variable AE Aqr on the basis of simultaneous UBV RI observations. For the flares, we estimated the average risetime of about 300 sec, and colours (U−B)0~1.1 and (B−V ...

    • On the Influence of Magnetic Field on Accretion Processes in CVs 

      Autor: Bisikalo, D. V.; Zhilkin, A. G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We consider the influence of such parameters as the value of the proper magnetic field Ba and the spin-rotation velocity of the white dwarf on accretion processes in CVs. The results of 3D MHD simulations have shown that ...

    • AE Aquarii: A Short Review 

      Autor: Meintjes, P. J.; Odendaal, A.; van Heerden, H.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The nova-like variable AE Aquarii has been continuously studied since its discovery on photographic plates in 1934. In this short review the peculiar multi-wavelength properties of AE Aquarii will be reviewed and explained ...

    • Suzaku View of Magnetic Cataclysmic Variables 

      Autor: Yuasa, T.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Results of magnetic cataclysmic variable studies performed with the Suzaku satellite are reviewed in this article. Particular emphasis is placed on the recent update of X-ray spectral model of intermediate polars, possible ...

    • Photometry and Multipolar Magnetic Field Modeling of Polars: BY Camelopardalis and FL Ceti 

      Autor: Mason, P. A.; Zhilkin, A. G.; Bisikalo, D. V.; Gomez, S.; Morales, J.; Robinson, E. L.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We present new broad band optical photometry of two magnetic cataclysmic variable stars, the asynchronous polar BY Camelopardalis and the short period polar FL Ceti. Observations were obtained at the 2.1-m Otto Struve ...

    • Non Relational Models for the Management of Large Amount of Astronomical Data 

      Autor: Martino, B. L.; Federici, M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The objective of this paper is the comparison between two different database typologies: the relational and the nonrelational architecture, in the context of the applications related to the use and distribution of astronomical ...

    • Diagnostic of the Symbiotic Stars Environment by Thomson, Raman and Rayleigh Scattering Processes 

      Autor: Sekeráš, M.; Skopal, A.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Symbiotic stars are long-period interacting binaries consisting of a cool giant as the donor star and a white dwarf as the acretor. Due to acretion of the material from the giant’s stellar wind, the white dwarf becomes ...

    • Rotation of the Mass Donors in High-mass X-ray Binaries and Symbiotic Stars 

      Autor: Stoyanov, K.; Zamanov, R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Our aim is to investigate the tidal interaction in High-mass X-ray Binaries and Symbiotic stars in order to determine in which objects the rotation of the mass donors is synchronized or pseudosynchronized with the orbital ...

    • Study of Cataclysmic Variables with the Satellites LOFT and Gaia 

      Autor: Hudec, R.; Šimon, V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The goal of this paper is to discuss the capabilities of ESA satellite missions Gaia (already in space) and LOFT (considered for the ESA M4 slot) for investigation of cataclysmic variables (CVs). Both Gaia and LOFT can ...