Transport and Communications

Permanent URI for this communityhttps://drepo.uniza.sk/handle/hdluniza/254

Transport and Communications is an scientific journal intended to bring together the information in different areas of transport and communications. The aim of this journal is to combine theory and practice in the field transport and communications and thus advancement of transport and communications sciences. It will provide a platform for academicians, researchers and engineers to share their experience and solution to problems.Journal is indexed in database Index Copernicus.

Browse

End date: 2019Subject: search.filters.subject.simulation

Search Results

Now showing 1 - 4 of 4
  • Thumbnail Image
    Item
    Cost Analysis of Queuing System of Postal Office
    (University of Zilina, 2019) Ďutková, Silvia; Hoštáková, Dominika; Turská, Stanislava; Kurotová, Jana; Droźdiel, Paweł
    The paper displays cost analysis of queuing system of particular post office. The selected Post Office is Zilina 1 Post Office in Slovakia. Post office Zilina 1 provides service to almost 4 000 companies and 13 559 households. [1] This paper considers two types of costs. There are costs of services which are associated with increasing or decreasing system capacity. Additional costs are the costs of rejected customers which are costs associated with deciding customers to leave the post office. Aim of this article to indicate the methodology of costs allocation of queuing system of post office and display the costs calculation method of rejected customers. Primary research using the questionnaire and the simulation method proved to be an appropriate tool in this analysis. The results of this paper show the need to take into account the substitutability of the individual services provided at the post office and the repeated arrival of the rejected customer. In the case that a rejected customer requests a service provided also by other postal operators, the post office can deal with loss of customer.
  • Thumbnail Image
    Item
    Modelling of traffic on a selected roundabout in Žilina
    (University of Zilina, 2019) Harantová, Veronika; Kalašová, Alica; Čulík, Kristián; Otahálová, Zuzana
    A high-quality network is currently a prerequisite for sustainable transport systems. The sharp increase in automobile traffic has resulted in increased transport problems. The most serious transport problems include traffic infrastructure congestion, increased accident risk and of course environmental impact. Daily mobility and securing the transport of goods is one of the key transport objectives. The most critical point of the road network is the intersection. Therefore, great emphasis is placed on the vehicle to pass smoothly and safely when passing through this place. In this paper an analysis of the current status of the selected roundabout is created. Based on the survey it is proposed three solutions to improve the traffic conditions of the intersection. Aimsun micro-simulation was also used to create solutions.
  • Thumbnail Image
    Item
    Ecological Impact of Changes in Transport Organisation in Martin with Using Transport-Planning Software
    (University of Zilina, 2018) Palúch, Ján; Čulík, Kristián; Synák, František; Hammer, Juraj; Mikulski, Jerzy
    Using motor vehicles, which uses fossil fuels, is connected with emissions. The main goal of cities, towns and also of the state is to keep these emissions as low as possible. Vehicles move on a traffic network where they are forced to accelerate and decelerate due to various impacts. Junctions and traffic jams are examples of these impacts. An important task is to build transport networks and junctions where vehicles can cross the junction as quickly as possible without unnecessary delay and a significant change in speed. This can contribute to lower vehicle fuel consumption and thus lower emissions.
  • Thumbnail Image
    Item
    Modelling traffic conditions in the cadaster of Veľká Lomnica
    (University of Zilina, 2017) Korfant, Matúš; Palúch, Ján; Gogola, Marián; Jurecki, Rafal
    This article is focused on the analysis of the current traffic situation in the cadaster of Veľká Lomnica and suggestions for its improvement. The most important intersection of the road I/67 and II/540 is problematic where is also located the railway crossing with a light signalling device. As a basis for the traffic analysis was performed traffic survey at the four positions in the cadastral territory. Its analysis provides information about the current traffic intensity and is also the basis for the simulation of traffic in traffic - planning software AIMSUN. The article contains an evaluation of various proposed solutions on the basis of the results from AIMSUN software and the selection of the appropriate variant.