Now showing items 31-50 of 60

  • Latest Developments in LED Standards 

    Yurtseven, M. Berker; Onaygil, Sermin (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The LED light sources can be stated as the most promising technology for the last decade from the lighting technology point of view. In order to compare LED chips and LED products from different manufacturers and achieve ...
  • Latest Results on LED Museum Lighting: Colour Quality and Artwork Preservation (Invited Paper) 

    Szabó, Ferenc; Csuti, Péter (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    This paper describes a comprehensive study on museum lighting: one part of the study investigates the damage potential of LED museum lighting by generating composite LED spectra with the help of a mathematical algorithm, ...
  • Light Navigation Around the Republic of Kalmikia, RUSSIA 

    Maltseva, Anna; Bainkharaeva, Kermen; Pinaeva, Aleksandra; Vik, Michal (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Kalmykia is a unique region in the Russian Federation as its identity dramatically different from other regions of the European part of Russia. It is an intercultural westernmost part of Russia, which professes Buddhism; ...
  • Light Pipe Comparative Measurement 

    Plch, Jiří; Mohelníková, Jitka; Král, Jakub (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The illuminance measurement method for a comparative evaluation of two light pipes is described in the paper. Two commercially available light pipes of similar dimensions were evaluated for light transmittance. Measurement ...
  • Lighting Quality and Visual Comfort Assesment in Working Environment 

    Králiková, Ružena; Badida, Miroslav; Konkoly, Tomáš (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The contribution deals with the evaluation of illumination of work in the manufacturing organization. The evaluation was performed by questionnaire survey and objectivised by measuring. The object of the investigation were ...
  • Lighting solutions of sales area according to the preferences of the target groups 

    Bernd, Werner; Hess, Cornel; Šobra, Pavel (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    In some stores you feel better than others and it's not always a question of exposed assortment, or arrangement of space. There's "something" that we often do not realize it's the lighting. Light effects mood and emotions ...
  • lllumination dangerous places on roads I. and II. classes in rural areas and urban interface 

    Tesař, Jiří (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Based on long-term cooperation with the Directorate of Traffic Police of the Czech Republic and the respective regional unions Traffic Police was elaborated plan instructional guidelines for traffic engineers Police. Within ...
  • Luminance ratio at the visual tasks in classroom 

    Helštýnová, Barbara; Novák, Tomáš; Sokanský, Karel; Bos, Petr (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Possibilities of action learning methods such as interactive whiteboards, blackboards and whiteboards along with copying to a workbook depends not only on visual comfort, but also on the subjective feeling of the observer. ...
  • Luminance ratio for extreme shadings 

    Kaňka, Jan; Mohelníková, Jitka; Ullmannová, Kateřina; Vychytil, Jaroslav (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Luminance ratio k (-) is a photometric magnitude used for daylight calculation metrics. The paper is focused on specification of luminance ratio values and their influence on daylight factor calculations for of extremely ...
  • Luminous Intensity Distribution Curve Effect on Luminaire Placement 

    Bayer, Rudolf; Brejcha, Michal (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The paper discusses a way to deploy a given number of point light sources in the interior to provide required illuminance levels and uniformity of the working plane by using a genetic algorithm. Furthermore a genetic ...
  • Measurement and evaluation of emergency lighting equipped with LED 

    Baleja, Richard; Novák, Tomáš; Sokanský, Karel (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The issue of emergency lighting is quite complicated and meeting all standard requirements are often very complex. Rapid development in the field of LED light sources has brought new possibilities in the design of emergency ...
  • Measurement and Recording of Reflective Properties of Materials 

    Bálský, Marek; Habel, Jiří (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The aim of this paper is to analyse possibilities of measurement of reflective properties of materials used in the interior and to propose methods of recording of measured reflective properties of materials for calculation ...
  • Methods of validation of mirror system goniophotometers and its impact to the resulting LIDC regarding the energy performance of buildings 

    Grinaj, Lukáš; Dubnička, Roman; Smola, Alfonz (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    LIDC is an important characteristic of luminaires used in the design of new lighting systems. Mirror system goniophotometers with are based on the principle of reflection of light emitted from luminaires on the mirrors. ...
  • Mobile Illuminance Measurement of Road Lighting 

    Novotný, Jan (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Paper deals with technical solution of mobile measurement of public lighting project. Each part of the measuring device is well described. Various kinds of measured and gathered data are listed as well as the way of their ...
  • Multiple optical parameters improvisation for outdoor sport lighting by t-test method 

    Nath, Dipayan; Mazumdar, Saswati; Mukhopadhyay, Sudeshna (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The standard lighting design softwares are essentially calculating tools without any optimizing features. Use of these softwares lead to trial & error based iterative design approach. This however produces a set of interim ...
  • Near Field Photometry 

    Škoda, Jan; Sumec, Stanislav; Baxant, Petr; Krbal, Michal; Pavelka, Tomáš (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Paper describes deficiencies of conventional method for luminous intensity curve measuring and it brings comparison with newly used methods of near field photometry. There is also presented demonstration measurement of ...
  • Parameters of white LEDs respecting operational conditions 

    Pavelka, Tomáš; Doležal, Petr; Sláma, Pavel (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Paper brings knowledge from measurement on white power LEDs for general lighting applications considering operational conditions that affect quantitative and qualitative light parameters of LEDs as well as basic electrical ...
  • Photobiological Safety of the Sun 

    Štěpánek, Jaroslav; Škoda, Jan (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    This paper deals with the theme of photobiological safety of the sun. The Sun has in its spectrum ultraviolet, visible and infrared part of the radiance. This radiance could cause some injures of eye or skin.
  • Realtime Luminance Analyse 

    Sumec, Stanislav; Škoda, Jan; Baxant, Petr; Krbal, Michal (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    This paper presents the progress in the development of luminance analyzer LumiDISP. The main innovation is the processing of luminance analysis in real time by using industrial cameras. This new feature allows more efficient ...
  • Research and Education of Lighting Technology at the Slovak University of Technology 

    Gašparovský, Dionýz (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Goal of the paper is to present approaches and solutions for organization of the educational process in light and lighting at the Slovak University of Technology as a case study with generalized outcomes that can be applied ...