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Wyszukujesz frazę "Fornalchyk, Yevhen" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Risk assessment during the transportation of dangerous goods considering the functional state of the driver
Autorzy:
Fornalchyk, Yevhen
Afonin, Maksym
Postranskyy, Taras
Boikiv, Mykola
Powiązania:
https://bibliotekanauki.pl/articles/2203853.pdf
Data publikacji:
2021
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
functional state of the driver
traffic conditions
road conditions
stress index
traffic route
risk
dangerous goods
stan funkcjonalny kierowcy
warunki ruchu drogowego
warunki drogowe
wskaźnik stresu
szlak komunikacyjny
ryzyko
towary niebezpieczne
Opis:
Increase in motorization and densification of populations in cities have led to the use of more resources both for the construction of different objects and for the service and operation of automotive vehicles. As a result, volumes of freight transportation, which are related to the construction and servicing of these objects, increase. New scientifically applied tasks that are related to the safety of freight transportation have emerged. Special attention is being paid to those that are related to dangerous tasks. It is obvious that traffic safety and the quality of the transportation process significantly depend on the behaviors and actions of the driver. The driver, as it is known, is the main chain of the “driver - automobile - road - environment” (DARE) system. With improvements in the technical and operational parameters of vehicles and road characteristics, the study of the functional state (FS) of the driver and the reliability of his skills become more important every time. The specific importance of this becomes clear when drivers operate vehicles that transport dangerous goods. Therefore, research on the interaction of chains of the DARE system (using improved existing and developed methods by the authors) is carried out in this paper, taking into account the indicators of drivers’ FS in different situations (stress index, which consists in evaluation of the heart and brain operations). The results obtained provide an opportunity to predict their behavior in different road situations and, as a consequence, to determine possible risks during the transportation of dangerous goods. The authors improved the methodology of determining the levels of possible risks of accidents and assessment of their consequences, taking into account the peculiarities of transportation routes, traffic conditions, and psychophysiological indicators of the driver`s body during the transportation of dangerous goods within settlements and on the roads between them.
Źródło:
Transport Problems; 2021, 16, 1; 139--152
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Choice of the rational regimes of traffic light control for traffic and pedestrian flows
Autorzy:
Fornalchyk, Yevhen
Kernytskyy, Ivan
Hrytsun, Oleh
Royko, Yuriy
Powiązania:
https://bibliotekanauki.pl/articles/35525529.pdf
Data publikacji:
2021
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
pedestrian flow
traffic flow
traffic intensity
speed of movement
volume-capacity ratio
traffic light control
traffic simulation
Opis:
The method for the choice of rational regimes of traffic light control is developed based on the minimization of the number of violations the requirements of traffic light signals by pedestrians depending on the volume-capacity ratio of traffic lanes and control of vehicular queue on the approach to the stop-line. Assessment of rationality is carried out considering the simultaneous impact of such factors as roadway volume-capacity ratio, traffic light restrictive signal duration, the number of violations of the traffic rules by pedestrians, and maximal queue length of vehicles. The model of the change of the number of violations of the rules of crossing the roadway by pedestrians depending on the volume-capacity ratio of different intersection types is developed in this paper. The model of determining the maximal vehicular queue length before intersections depending on the volume-capacity ratio and the share of the restrictive signal on the lane in the control cycle is developed. Recommendations about the choice of rational regimes of traffic light control depending on traffic delay, planning parameters of the road network, and pedestrian behavior are proposed.
Źródło:
Scientific Review Engineering and Environmental Sciences; 2021, 30, 1; 38-50
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of the semi-active vibration absorbers
Autorzy:
Snitynskyy, Volodymyr
Kernytskyy, Ivan
Diveyev, Bohdan
Horbay, Orest
Fornalchyk, Yevhen
Humenuyk, Ruslan
Sholudko, Yaroslav
Powiązania:
https://bibliotekanauki.pl/articles/35536985.pdf
Data publikacji:
2021
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
dynamic vibration absorber
semi-active
adaptive scheme
optimization
robustness
design
Opis:
In this paper, an efficient numerical approach is proposed to maximize the minimal damping of modes in a prescribed frequency range for general viscous tuned-mass systems. Methods of decomposition and numerical synthesis are considered on the basis of the adaptive schemes. The influence of dynamic vibration absorbers and basic design elastic and damping properties is under discussion. A technique is developed to give the optimal DVA’s for the elimination of excessive vibration in sinusoidal and impact forced system. One task of this work is to analyze parameters identification of the dynamic vibration absorber and the basic structure. The questions of robustness at optimization of DVA are considered. Different types of control management for semi-active DVA’s are applied. Examples of DVA’s practical implementation are presented.
Źródło:
Scientific Review Engineering and Environmental Sciences; 2021, 30, 2; 327-336
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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