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Wyszukujesz frazę "Kovalyshyn, V." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Defining Duration of Driver Reaction Time Components Using the NeuroCom Complex
    Autorzy:
    Zhuk, M.
    Kovalyshyn, V.
    Tcir, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/411357.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    driver reaction time
    latent period
    functional state
    Opis:
    The research defines components of driver reaction time under different conditions. The duration of a latent period and time of respective response to a stimulus are determined. It is traced how driver reaction time depends on the complexity of the situation the driver was exposed to. With the help of the NeuroCom complex, computer program and processing of video recordings, the main components of driver reaction time were defined to be information in-flow to the cerebral cortex, detection and recognition of a stimulus, making a right decision and respective reaction. The obtained results can be used for determining dynamic gauge and braking distance of a vehicle, which, in its turn, influences the road safety.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2015, 4, 2; 39-44
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical studies of the ellipsoidal-shaped particles’ behaviourin the channel of pneumo-electric separator bumping into its walls
    Autorzy:
    Kovalyshyn, S.
    Dadak, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/410879.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    seed mixture
    ellipsoidal-shaped particle
    pneumo-electric separator
    vertical channel
    mathematical model
    adjustable settings
    Opis:
    It is widely known that during the post-harvest handling of a number of crops pneumatic separators are often used. It is proved that in order to improve separation process by using an air flow becomes possible through the use in the separation channels an electric field of corona discharge as additional working body. The electric field makes an additional force effect on the particles of the separated mixture. Since the seeds of cultivated plants and weeds belong to different species, their electrical properties interact with the working bodies of pneumatic separators in different ways that enables quality improvement of seed mixtures separation. We consider the ellipsoidal particles’ behaviour under the influence of gravity, electric power and air flow in pneumo-electric separator channel taking into account their bumping into the walls. We also worked out the differential equations that reflect the mathematical model of the particles under the totality of these forces. This model describes the movement of particles in the pneumo-electric separator channel and allows at any time to calculate the coordinates of trajectories. Based on their analysis we can explore the influence of the controlled process parameters on the pneumo-electric separation and determine their optimal parameters under which the separation of the investigated seed mixtures is the most effective and the components of which are of ellipsoid shape.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 3; 147-152
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling of force action on ellipsoid-shape seed in pneumo-electric separator channel
    Autorzy:
    Kovalyshyn, S.
    Nishchenko, I.
    Dadak, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/411434.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    ellipsoid-shape seeds
    pneumo-electric channel
    modelling
    Opis:
    The behavior of seed in pneumo-electric separator channel is revealed. The characteristic of the active forces on ellipsoid-shape seed is demonstrated. Due to a differential equations you can find the coordinates of seed mixtures particles’ motion to determine the conditions under which we get maximum effect.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 4; 83-86
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computerised system of research of automobile and tractor engines
    Autorzy:
    Holovchuk, A.
    Kovalyshyn, S.
    Habriyel, Yu.
    Zholobko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/411102.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    fuel flowmeters
    gas meter
    shaft speed
    internal combustion engine
    electronic diagnostics
    personal computer
    electronic controller
    Opis:
    It is offered the automated complex for carrying out experimental researches automobiles and tractors engines with program realization of monitoring of a kind speed-mode on coefficient to non-uniformity of a course. In the developed installation it is automated processes definition, on dynamic modes, the expenditure of air and fuel and coefficient surplus of air and provided an opportunity of a direct estimation of quality of a transitive mode of engines.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2015, 4, 4; 55-58
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geometrical and friction properties of perennial grasses and their weeds in view of an electro-separation method
    Autorzy:
    Kovalyshyn, S.J.
    Dadak, V.O.
    Sokolyk, V.V.
    Grundas, S.
    Stasiak, M.
    Tys, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/25643.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Opis:
    Many seed mixtures of herbs are difficult to separate. This is confirmed by studies determining the basic geometrical and friction properties of the seeds of perennial grasses and seeds of their weeds. The results show that in most cases the value of their geometrical parameters (length, thickness, and width) and friction properties (friction coefficients for different external surfaces of internal friction coefficients) are substantially similar and differ slightly among each other. This is the evidence that these properties are impractical to use in the process of separation as signs of divisibility. In the paper, a method for electro-separation of seed mixtures of herbs based on the use of complex physical, mechanical properties and electrical components in the separation are presented. The electric field that acts as an additional working body allows considering the surface conditions and biological status of seed mixtures of particles and significantly expands the functionality of the separators. Confirmation of the effectiveness of the proposed method for separation can be seen in the example of purification of red clover and sorrel seeds. By imposition of an electric field on an inclined moving separating plane, we can completely separate weed seeds from the main crop. The results confirm the effectiveness of the electro-separating method.
    Źródło:
    International Agrophysics; 2015, 29, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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