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Wyświetlanie 1-4 z 4
Tytuł:
The system of it support for logistics in the rail transport
Autorzy:
Kisielewski, P.
Powiązania:
https://bibliotekanauki.pl/articles/224075.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
IT system
logistics
rail transport
system informatyczny
logistyka
transport kolejowy
Opis:
The paper presents the requirements, architecture and important features of a modern IT system of logistics for rail transport. The purpose of the system is to provide logistic support of transport issues relating to the work performed in the sectors of transport and maintenance of railway enterprises. In particular, special attention was paid to optimization problems of strategic and operational planning applying modern optimization algorithms. System architecture, the basic functional modules and their relationship are presented as an example of the system used by the Polish rail operators, engaged in the transport of both passenger and freight. The system is characterized by centralized architecture, divided into an application server, a database server and a terminals server. The system takes full advantage of modern mobile technologies. The study outlines basic logistics processes implemented in the system, among others,: planning of transport using background maps and a scheme of railway network, records of vehicles and employees, allocation of transport work for individual units, planning cycles of vehicles and trains, scheduling work for vehicles, train driver crews and train attendant teams, creating work schedules, short-term and long-term dispatches, verification and accounting of the work time, accounting transport and train drivers performance.
Źródło:
Archives of Transport; 2016, 40, 4; 39-50
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Certain Approach to the Assessment of Interoperability of Railway Lines
Autorzy:
Szkopiński, J.
Powiązania:
https://bibliotekanauki.pl/articles/224280.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
transport system
railway
interoperability
assessment of requirements
system transportu
transport kolejowy
interoperacyjność kolei
Opis:
This paper presents the main aspects concerning the systemic approach to the problem of interoperability of rail transport. Follow decision about the opening of the EU market and transport services for rail transport, the European Parliament and of the Council have introduced a number of interoperability directives for implement interoperability on the rail system in EU. Their goal was to get the integration of rail transport systems, despite the differences in control -command and signaling systems, power supply and operation system, to be rich on the safe and not disrupted train running over the different countries (different infrastructure managers). The article indicated the main areas in the railway system which are depends on strongly of the interoperability implementation.
Źródło:
Archives of Transport; 2014, 29, 1; 65-75
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of a linear half-vehicle model for the optimization of damping in the passive suspension system of a railway car
Autorzy:
Lozia, Z.
Kardas-Cinal, E.
Powiązania:
https://bibliotekanauki.pl/articles/224025.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
railway vehicle
suspension system
damping coefficient
optimization
half-vehicle model
pojazd kolejowy
układ zawieszenia
współczynnik tłumienia
optymalizacja
Opis:
The paper presents a methodology of optimizing the parameters of the passive suspension system of a railway vehicle. A linear half-vehicle model and an example of the procedure carried out to optimize a selected parameter of the model have been demonstrated. A method of the selection of damping in the suspension system of a railway vehicle, based on over 40-year achievements of the cited authors of publications in the field of motor vehicles, has been shown. The optimization of linear damping in the secondary suspension system of a passenger carriage moving on a track with random profile irregularities has been described in detail. The algorithms adopted for the calculations have a wider range of applicability; especially, they may be used for determining the optimum values of the other parameters of the railway vehicle model under analysis, i.e. stiffness of the secondary suspension system as well as stiffness and damping of the primary suspension system.
Źródło:
Archives of Transport; 2016, 39, 3; 31-49
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design of compound curves adapted to the satellite measurements
Autorzy:
Koc, W.
Powiązania:
https://bibliotekanauki.pl/articles/223637.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
railway track
satellite measurements
geometrical system
compound curves
design method
tor kolejowy
pomiary satelitarne
układ geometryczny
krzywe złożone
metoda projektowania
Opis:
The paper deals with a novelty related to the design of a region for an alternative railway track direction adequate for mobile satellite measurements. The new approach may become particularly useful in the design of the existing track axis control when the determination of both the main track directions becomes impossible. The only solution in that case is to apply to the geometrical system two circular arcs of a different radius, namely, to take advantage of compound curves. In the presented method the design of a new system is carried out by the use of the local system of coordinates. The solution of the design problem is aided by mathematical recording and is based on the determination of some universal equations describing the entire geometrical system. This procedure takes place sequentially involving consecutive parts of the system. The method has been illustrated by an appropriate calculation example.
Źródło:
Archives of Transport; 2015, 34, 2; 37-49
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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