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    Wyświetlanie 1-9 z 9
    Tytuł:
    Intersection model with configurable control system
    Model skrzyżowania z systemem konfiguracji kontroli
    Autorzy:
    Dzierżek, K.
    Ostaszewski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/359337.pdf
    Data publikacji:
    2010
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    kontrola
    sygnalizacja świetlna
    control
    traffic lights
    Opis:
    The following article presents algorithms of traffic lights control on intersection. A model allowing programming and testing of traffic lights according to established control algorithm was also presented. A visualization of program performance allowing preview of current states of program and remote exaction of entrance in order to check the correctness and stability of algorithm was created.
    Artykuł przedstawia algorytmy kontroli świateł ruchu drogowego na skrzyżowaniu. Model skrzyżowania pozwala na programowanie i testowanie sygnalizacji świetlnej zgodnie z ustalonym algorytmem sterowania. Wizualizacja programu umożliwia podgląd aktualnych stanów programu i zdalne wymuszanie dostępu w celu sprawdzenia poprawności i stabilności.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2010, 23 (95); 36-39
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected issues of the control intelligent road transport systems. Coordinated traffic lights systems
    Autorzy:
    Grzejszczyk, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/393874.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    control telematics
    coordinated systems traffic lights
    traffic lights
    sterowanie ruchem
    skoordynowane systemy sygnalizacji świetlnej
    sygnalizacja świetlna
    Opis:
    Newest traffic lights coordination system’s structure contains such components as: local control, global/area control and directional transmissions of data. Today’s wireless controllers, in addition to the standard measurement and signaling functions (handling induction loop circuits, handling double-state signals, handling predefined signal groups), also perform advanced communication functions. With the implementation of such communication technologies/protocols as Ethernet TCP/IP, GSM, GPRS , these controllers are able to send text messages as well as support remote monitoring and control. The beginning of this paper presents shortly chosen examples of current solutions of Zonal Traffic Control Systems. Next a microprocessor model (8051) for controlling traffic lights in an intersection (normal, two-lane) is analysed. Finally the paper emphasises the role of wireless data transmission systems in smart communication in cloud computing and database technology solutions.
    Źródło:
    Archives of Transport System Telematics; 2015, 8, 4; 14-18
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation modeling in GPSS for optimizing the traffic lights cycle of adjustable crossroads
    Autorzy:
    Kravchenya, Irina
    Lebid, Iryna
    Powiązania:
    https://bibliotekanauki.pl/articles/2141049.pdf
    Data publikacji:
    2020
    Wydawca:
    Fundacja Centrum Badań Socjologicznych
    Tematy:
    simulation modeling
    adjustable crossroads
    traffic lights cycle
    queuing systems
    Opis:
    The problem of traffic management, especially in big cities is particularly actual. Due to unavoidable motorization increase in number of vehicles has resulted in congestion, traffic jams, difficulty of the movement of pedestrians, increasing the number of accidents. Traffic jams are undesirable because of higher fuel consumption, increased pollution due to exhaust gases as well as noise, etc. The only way to avoid harmful consequences is to optimize the operation of the traffic lights cycle. The purpose of the work is creation the simulation model in GPSS for determining the optimal traffic lights cycle at adjustable crossroads when managing vehicle flows with specified intensities. The mathematical model of adjustable crossroads can be presented as a queuing system. Development of the simulation model includes several stages: programming in GPSS, verification and assessment of the adequacy. The algorithm for optimizing the traffic lights cycle and diagrams are used to find the optimal value of the cycle. The minimum intersection travel time (including time of queuing) is selected as the optimal criterion. The object of study is the traffic lights cycle regulation of the intersection Sovietskaya St. – Rogachevskaya St. – Telman St. in Gomel, Belarus. The existing traffic lights cycle regulation at the intersection Sovietskaya str. – Rogachevskaya str. – Telman str. has been studied. Simulation modeling of the intersection has been created in GPSS and traffic light cycle optimization algorithm has been developed. According to a worked out algorithm the traffic lights cycle at research intersection during saturation flux has been improved. Transport delays both at the existing and optimized crossings have been estimated. Optimization of the traffic lights cycle will increase the traffic capacity of the intersection, reduce the volume of toxic emissions and decrease the accident risk. The developed simulation model can be modified for other types of intersections and used as the basis for a decision support system based on low-level simulation.
    Źródło:
    Journal of Sustainable Development of Transport and Logistics; 2020, 5, 1; 48-55
    2520-2979
    Pojawia się w:
    Journal of Sustainable Development of Transport and Logistics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modernization of railway light led driver
    Autorzy:
    Mezitis, M.
    Eiduks, J.
    Muhitovs, R.
    Sansyzbajeva, Z.
    Jansone, R.
    Semenchukovs, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/315842.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    railway transport
    traffic lights
    LED lamps
    transport kolejowy
    sygnalizacja świetlna
    lampy LED
    Opis:
    The proof of the positive and negative aspects of various types of optical systems that have been introduced by the railway network. Special attention is paid to special LED lamps and their power driver modernization. Modelling of the power driver circuit in the SIMULINK environment has been finished.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2018, 19, 6; 597-599, CD
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A system for traffic light control optimisation and automated vehicle guidance using the V2X
    Autorzy:
    Naumann, S.
    Bley, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/393433.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    komunikacja V2X
    sygnalizacja świetlna
    V2X communication
    traffic lights
    Opis:
    The vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication for the increasing of traffic safety, traffic efficiency and driving comfort is a relatively new field of intelligent transport systems. In this paper a cooperative system for urban transport - which has been developed within the German research project KOLINE - is presented. It uses the communication between vehicles and traffic lights via the wireless communication standard IEEE 802.11p with the aim to avoid stops at traffic lights in order to reduce noise and pollutant emissions. The traffic lights provide information about the future signal changes and the local traffic state to the vehicles. The vehicles use this data to calculate the optimal approach strategy. In addition, the signal programs of the traffic lights are coordinated throughout the network and recalculated every 15 minutes according to the traffic volume. The article focuses on the architecture of the cooperative system and the communication between vehicles and traffic lights.
    Źródło:
    Archives of Transport System Telematics; 2012, 5, 3; 20-23
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation modeling in improving pedestrians’ safety at non-signalized crosswalks
    Оценка возможностей повышения безопасности пешеходов на нерегулируемых переходах с помощью имитационных моделей
    Autorzy:
    Makarova, I.
    Khabibullin, R.
    Mavrin, V.
    Belyaev, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/375520.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    safety
    simulation modeling
    push-button traffic lights
    road accidents
    bezpieczeństwo
    modelowanie symulacyjne
    przycisk doraźny świateł drogowych
    wypadki drogowe
    Opis:
    The paper presents an analysis of road traffic accidents at non-signalized pedestrian crosswalks. A field study was conducted to determine the parameters for traffic and pedestrian flow, and construct the simulation models enabling experimentation at different loadings on the street and road network. Variants for improving the pedestrian safety at non-signalized crosswalks have been proposed. Simulation modeling of the proposed managerial decisions is expected to diminish the likelihood of road accidents. The efficiency of proposed decisions has been estimated.
    В статье проанализированы варианты возможных ситуаций возникновения ДТП на нерегулируемых пешеходных переходах. Проведены натурные исследования параметров движения транспорта и пешеходов на таких участках улично-дорожной сети. Определены параметры транспортных и пешеходных потоков, построены имитационные модели и проведены эксперименты на них при разных нагрузках на улично-дорожную сеть. Предложены варианты улучшения ситуации на нерегулируемых пешеходных переходах. Выполнена проверка на моделях предложенных управленческих решений, которые позволят снизить вероятность дорожно-транспортных происшествий. Выполнена оценка эффективности предложенных решений.
    Źródło:
    Transport Problems; 2016, 11, 4; 139-150
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reducing Delay Time at Signal Controlled Junction with the Help of Actuated Control
    Autorzy:
    Černický, Ľubomír
    Kupčuljaková, Jana
    Paľo, Jozef
    Kalašová, Alica
    Powiązania:
    https://bibliotekanauki.pl/articles/103235.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    actuated control
    microscopic simulation
    delay time
    Aimsun
    fixed control
    traffic lights
    uruchamiane sterowanie
    symulacja mikroskopowa
    opóźnienie
    stała kontrola
    światła
    Opis:
    Nearly every town faces the traffic problem caused by the continuous increase of the traffic volume. Traffic collapses, congestions, accidents and a further negative impact on the environment are gradually becoming a common part of our lives. Junctions are the most critical points of the road network, which usually determine the capacity of the roads. Therefore, proper traffic organization at junctions is a necessity. This paper analyses the actuated control in comparison to the fixed control at a signal-controlled junction. It also includes a case study of one problematic junction in this paper. With the help of microscopic simulation in Aimsun, 2 solutions for this problematic junction were assessed, one of which is fixed control and other is actuated control. Actuated traffic control gives better results than fixed control.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 3; 149-157
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Smart photonic guidance system for road safety
    Autorzy:
    Litwin, Dariusz
    Czyżewski, Adam
    Galas, Jacek
    Kryszczyński, Tadeusz
    Wikliński, Piotr
    Rymsza, Barbara
    Kornalewski, Leszek
    Powiązania:
    https://bibliotekanauki.pl/articles/1841235.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    road safety
    intersection geometry
    path of driving
    lane designation
    traffic lights
    bezpieczeństwo drogowe
    geometria skrzyżowania
    tor jazdy
    oznaczenie pasa ruchu
    sygnalizacja świetlna
    Opis:
    Despite the rapid and continuous progress in the construction of vehicles and accompanying improving road infrastructure, the road safety issue remains very serious. Especially, it concerns intersections and road junctions where nearly 30% of road accidents take place. The paper is focused on a new intelligent path displaying suport system to be installed on intersections of complex geometry combined with multiphase traffic lights. It consists of optical projection of two different horizontal signs, i.e. strips designating lanes for the green-light directions and perpendicular blocking lines for the red-light directions.
    Źródło:
    Transport Problems; 2020, 15, 4, cz. 1; 49-56
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lights during daytime in Poland
    Autorzy:
    Targosiński, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/244025.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    transport
    traffic safety
    illumination
    law
    daytime running lights
    Opis:
    From 1992 in Poland was obligation to use passing beam headlights in automotive traffic during daytime in autumn and winter. From April 2007 was introduced extension of this obligation to spring and summer. This obligation caused controversies and discussions. In some, mostly European countries this obligation is present during part of year or during full year on all or selected roads. Known research shows that profits of this obligation understanding as decreased number of killed and injured people exceed costs understanding as additional fuel consumption and light sources replaced. This law in Poland is used till now some month more over one year. The results and differences can be observed only for few months of2007 in relation to adequate few months in 2006. It is to short period of time to reach final conclusions. Because in 2007 the total number of accidents increases comparing 2006 there is a pressure of part of mass media and public opinion to withdraw this law. Preliminary detailed analysis of accidents connected with using lights during daytime shows rather decreased number of daytime light-dependent accidents when is observed increased number of night accidents. It means that common feeling regarding using lights in daytime and nigh-time can be far from objective research results. The base is differences in perceptions between people and mistakes of subjective assessment. In this paper is presented preliminary analysis of problems and results of using lights during daytime in Poland in spring/summer period.
    Źródło:
    Journal of KONES; 2008, 15, 2; 501-507
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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