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    Wyświetlanie 1-8 z 8
    Tytuł:
    Suggest of bus preference in the urban area of the Bialystok city
    Autorzy:
    Matowicki, M.
    Tichy, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/393541.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    ITS
    urban traffic control
    preference of PT
    sterowanie ruchem miejskim
    uprzywilejowanie komunikacji zbiorowej
    Opis:
    This thesis analyses traffic conditions within an area of the Bialystok city and possible applications for prioritizing public transportation. The main goal of the paper is to find out whether the introduction of bus priority on intersections controlled with vehicle actuated traffic lights is feasible in the examined case, as well as in agglomeration traffic overall. In frame of this elaboration a complete simulation of traffic network fragment has been done both before and after implementation of so called Bus Signal Priority with a calculation of capacity of all intersections along investigated traffic network.
    Źródło:
    Archives of Transport System Telematics; 2014, 7, 4; 24-28
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Road Line Traffic Control System - experiences in testing operation
    Autorzy:
    Krajčír, D.
    Tichý, T.
    Spěvaček, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/393788.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    system kontroli ruchu drogowego
    autostrada
    potok ruchu
    harmonizacja
    road traffic control system
    highway
    traffic flow
    harmonization
    Opis:
    One of the most significant road structures completed in 2010 was the construction of southern part of the Bypass around Prague (BPAP), where technological equipment was designed and installed and Road Line Traffic Control system implemented. In the Czech Republic is this system is absolutely innovative and brings new organizational and regulation elements into operation. The system is primarily intended for traffic flow harmonization. It is based on usage of variable message signs to affect the traffic flow so the fluency, security and communication permeability is increased. Thank to automatic speed reduction by defined traffic data is traffic flow is more fluent, distances between vehicles are smaller and throughput of communication increases. RLTC system can identify traffic excesses on communication thanks to vehicle queue detection. All algorithms were designed and tested under project of science and research of Ministry of Transport of the Czech Republic, project INEP, n. CG944-033-120 (inep.eltodo.cz). In current time testing operation on BPAP and on a part of D1 Highway is proceeded. System is monitored and all functionalities are evaluated for further debugging and adaptation of system for local conditions.
    Źródło:
    Archives of Transport System Telematics; 2011, 4, 4; 22-25
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using the intelligent unit for traffic management of saturated urban road networks
    Autorzy:
    Faltus, V.
    Tichy, T.
    Belinova, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/393533.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    traffic
    ITS
    telematics
    urban traffic control system
    ruch drogowy
    telematyka
    miejski system sterowania ruchem
    Opis:
    Telematics systems development has already become a necessity due to the limited capacity of the road infrastructure. Transport can thus be better managed; also relevant information can be provided directly into the vehicles. Based on the development of communication technologies, namely „car-to-infrastructure” (C2I), the requirements are continuously rising – not only on the on-board units (OBU) but also on the infrastructure equipment and solution of particular modules for traffic management systems as well. The paper focuses on the design and simulation of control system in an intelligent unit on infrastructure that will be able to respond to the actual traffic situation and to communicate with the vehicles. The goal of this paper is to present the possibility of using such units in urban road infrastructure and to present an approach to traffic nodes management for saturated or over-saturated traffic states.
    Źródło:
    Archives of Transport System Telematics; 2013, 6, 1; 4-8
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison by simulation of different approaches to the urban traffic control
    Autorzy:
    Prikryl, J.
    Tichy, T.
    Belinova, Z.
    Kapitan, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/393497.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    ITS
    ruch drogowy
    telematyka
    kontrola ruchu miejskiego
    traffic
    telematics
    urban traffic control
    Opis:
    As the urban traffic volumes reach their daily peak values, the surface traffic in modern cities suffers from frequent breakdowns and traffic jams. One of possibilities that could mitigate the problem is the deployment of smarter automatic systems of urban traffic control. Our paper demonstrates a development version of such a system. The system is based on adaptive feedback control approach. It makes use of filtering techniques to account for measurement imperfections and implements the rolling horizon method for optimal signal control. We compare the performance of the proposed system with two typical control approaches - pre-timed (or fixed) control, and traffic actuated (or dynamic) control. Different scenarios will be compared, including rapid changes in traffic volumes and reactions to incidents. The comparison is carried out using our demonstrator tool, based on TSS Aimsun micro-simulator. In order to keep the calibrated simulation as close to reality as possible, in the comparison runs we use real dense input volume measurements and simulate also the behavior of intersection controllers.
    Źródło:
    Archives of Transport System Telematics; 2012, 5, 4; 26-30
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prediction of traffic accidents by using neural network
    Autorzy:
    Růžička, J.
    Bělinová, Z.
    Korec, V.
    Cikhardtová, K.
    Tichý, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/393187.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    traffic accident
    prediction
    neural network
    wypadek drogowy
    prognoza
    sieć neuronowa
    Opis:
    The prediction of traffic accidents in urban networks is one of the key future theme in the areas of traffic control and navigation. Early identification of the risk of a traffic accident can lead to an increase in the safety and smoothness of road transport. Neural networks belong to the expert methods for modeling of complex systems. The issue of their use in the transport sector is scientifically quite progressive. The article describes the design of prediction model based on available traffic data from town Uherské Hradiště. Traffic data was collected from many sources, e.g. junction detectors, meteorological stations or traffic accident portal. Appropriate parameters for the model were selected from the traffic data. The model was then tested on a 2-month data sample. The aim of the article is to confirm the suitability of using neural networks to predict traffic accidents.
    Źródło:
    Archives of Transport System Telematics; 2019, 12, 4; 22-26
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Diagnostics of magnetized low temperature plasma by ball - pen probe
    Autorzy:
    Adámek, J.
    Peterka, M.
    Gyergyek, T.
    Kudrna, P.
    Tichý, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/146432.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ball-pen probe
    magnetron
    Opis:
    The ball-pen probe is an innovative electric probe for direct measurements of the plasma potential in magnetized hot plasma. This probe is based on the Katsumata probe concept. The ball-pen probe can adjust the ratio I- saturat/I+ saturat of the electron and ion saturation currents to be equal to one and therefore the ball-pen probe characterization becomes symmetric. If this is achieved, the floating potential of the ball-pen probe is equal to the plasma potential in Maxwellian plasma. We show the application of a ball-pen probe in slightly magnetized low temperature plasma.
    Źródło:
    Nukleonika; 2012, 57, 2; 297-300
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gamma-radiation-induced ATM-dependent signalling in human T-lymphocyte leukemic cells, MOLT-4
    Autorzy:
    Tichý, Aleš
    Záškodová, Darina
    Řezáčová, Martina
    Vávrová, Jiřina
    Vokurková, Doris
    Pejchal, Jaroslav
    Vilasová, Zdena
    Cerman, Jaroslav
    Österreicher, Jan
    Powiązania:
    https://bibliotekanauki.pl/articles/1041075.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    checkpoint kinase-2
    ionizing radiation
    p53
    ATM kinase
    Mdm2
    Opis:
    ATM kinase (ATM) is essential for activation of cell cycle check points and DNA repair in response to ionizing radiation (IR). In this work we studied the molecular mechanisms regulating DNA repair and cell death in human T-lymphocyte leukemic cells, MOLT-4. Apoptosis was evaluated by flow-cytometric detection of annexin V. Early apoptotic cells were determined as sub-G1 cells and late apoptotic cells were determined as APO2.7-positive ones. Proteins involved in ATM signalling pathway were analysed by Western-blotting. We observed a rapid (0.5 h) phosphorylation of ATM declining after 6 h after irradiation by all the doses studied (1.5, 3.0, and 7.5 Gy). Checkpoint kinase-2 (Chk-2) was also phosphorylated after 0.5 h but its phosphorylated form persisted 4, 2, and 1 h after the doses of 1.5, 3.0, and 7.5 Gy, respectively. The amount of p53 protein and its form phosphorylated on Ser-392 increased 1 h after irradiation (1-10 Gy). The lethal dose of 7.5 Gy caused an immediate induction and phosphorylation of p53 after 0.5 h post-irradiation. At the time of phosphorylation of p53, we found simultaneous phosphorylation of the oncoprotein Mdm2 on Ser-166. Neither ATM nor its downstream targets showed a dose-dependent response after 1 h when irradiated by the doses of 1-10 Gy. MOLT-4 cells were very sensitive to the effect of IR. Even low doses, such as 1.5 Gy, induced apoptosis 16 h after irradiation (evaluated according to the cleavage of nuclear lamin B to a 48-kDa fragment). IR-induced molecular signalling after exposure to all the tested doses was triggered by rapid phosphorylation of ATM and Chk-2. Subsequent induction of p53 protein and its phosphorylation was accompanied by concomitant phosphorylation of its negative regulator, oncoprotein Mdm2, and followed by induction of apoptosis.
    Źródło:
    Acta Biochimica Polonica; 2007, 54, 2; 281-287
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of a handheld device for the measurement of beta-hydroxybutyrate in capillary blood obtained by the puncture of the vulva as well as in venous whole blood in cattle
    Autorzy:
    Khol, J.L.
    Freigassner, K.
    Stanitznig, A.
    Tichy, A.
    Wittek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087481.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    beta-hydroxybutyrate
    subclinical ketosis
    capillary blood
    handheld device
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 3; 557-564
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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