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Wyświetlanie 1-15 z 57
Tytuł:
Analysis of bus rapid transit problems in cities with dense construction area
Autorzy:
Stotsko, Z.
Royko, Y.
Bura, R.
Hrytsun, O.
Powiązania:
https://bibliotekanauki.pl/articles/393565.pdf
Data publikacji:
2019
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
speed of movement
traffic flow
traffic volume
traffic delay
urban public transport
prędkość ruchu
natężenie ruchu
opóźnienie ruchu
miejski transport publiczny
Opis:
By the methods of field research, it is determined the primary factors of traffic flows on the sections of urban twolane streets, where routes of tram and urban bus movement which have motion in general structure of traffic flow are laid. Using methods of documentary research and traffic simulation, there are received results of change of average operational speed of tram and urban bus movement during different periods of operation on the route; traffic flow delays connected with technological features of tram and urban bus routes functioning in zone of operation of tram and urban bus stops and controlled intersections. Using methods of traffic simulation, it is determined possible time losses and queue length in traffic flows in conditions of increase of traffic volume and change of its composition (increase of urban public transport rate).
Źródło:
Archives of Transport System Telematics; 2019, 12, 4; 45-49
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Traffic calming as one of the methods of traffic management as illustrated by the "Dutch Town" project in Pulawy
Autorzy:
Jamrozik, K.
Bohatkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/393258.pdf
Data publikacji:
2010
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
spowalnianie ruchu
bezpieczeństwo ruchu drogowego
Dutch Town Project
Puławy
traffic calming
road safety
Opis:
Traffic calming by means of physical measures enables to perform traffic management functions in those areas of cities and towns where ITS are absent. Traffic calming is also effective in improving road safety, which is of outmost importance considering that each year in Poland around 5 thousand people get killed in road crashes and excessive vehicle speed remains the main contributory factor. Thanks to a reduced incidence of speeding and undesired transit movements that are kerbed by physical measures, traffic calming makes it possible to manage vehicle speeds and accessibility of the road network over a whole area as well as to prevent crashes and mitigate other transport-related inconvenience. A comprehensive traffic calming area was built in Puławy. It covers a section of the regional road No 824 and the adjacent residential area of Włostowice. The design drawings of the so called Dutch Town Project performed by EKKOM Sp. z o.o. included the adjustment of several best practices of road safety engineering used in the Netherlands to the Polish conditions and this solution is unprecedented in many aspects. The redesign of the streets combined with traffic calming has helped to solve a number local problems and at the same time a showcase of traffic calming for training purpose was created.
Źródło:
Archives of Transport System Telematics; 2010, 3, 1; 34-38
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Intelligent Transport System auditing using road traffic micro-simulation
Autorzy:
Bazan, M.
Ciskowski, P.
Halawa, K.
Janiczek, T.
Kozaczewski, P.
Madej, Ł.
Rusiecki, A.
Powiązania:
https://bibliotekanauki.pl/articles/393731.pdf
Data publikacji:
2015
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
traffic modeling
intelligent transportation system
road traffic simulations
modelowanie ruchu
inteligentny system transportowy
symulacje ruchu drogowego
Opis:
ITS systems have been deployed for last one and a half decades. Their aim is to increase a traffic flow rate in a road network of an urbanized area, to improve the comfort of driving as well as to decrease the pollution. A lot of commercial software are is available to simulate road traffic in urbanized areas. Some of them are suitable to perform traffic simulations of intelligent transportation systems via traffic modeling. A process of traffic modeling exploiting numerical simulations for an urban area where an ITS is deployed requires provision of digital maps, traffic demand amongst city zones, traffic signalization micro-programs being executed in the environment that can imitate a dynamic behavior of traffic lights at intersections in the ITS. In this paper an execution environment, developed by the Ars Numerica Group, that launches a road traffic micro-simulation is used to audit a performance of intersections’ signalization micro-programs on one of the main arteries in the city of Wrocław (Poland).
Źródło:
Archives of Transport System Telematics; 2015, 8, 4; 3-8
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:
Analysis of the efficiency of traffic light system with utilization of computer simulation based on Szczecin example
Autorzy:
Iwan, S.
Rymer, W.
Małecki, K.
Powiązania:
https://bibliotekanauki.pl/articles/393583.pdf
Data publikacji:
2017
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
computer simulation
traffic optimization
transport management
traffic analysis
symulacja komputerowa
optymalizacja ruchu
zarządzanie transportem
analiza ruchu
Opis:
The dynamics of development of transport systems in cities makes it harder to control the proper traffic management. It happens that decisions on the reorganization of the traffic and utilization of automated control are made on the basis of insufficient principles. Due to that, the costs of the technical implementations are spent without a simultaneous traffic improvement. For this reason, it is necessary to use tools allowing an efficient analysis of the current and future situation of the road. Utilization of a computer simulation seems to be most effective. The paper is focused on an example of computer simulation analyses of the two integrated cross roads in Szczecin. Based on the simulation model, the assessments of the planned implementation solutions were realized. It includes the analysis of the appropriateness of traffic lights utilization for the analyzed road sections.
Źródło:
Archives of Transport System Telematics; 2017, 10, 2; 8-13
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detailed evaluation and analysis of vision-based online traffic parameters estimation approach using low resolution web cameras
Autorzy:
Ali, M.
Touko Tcheumadjeu, L.
Zuev, S.
Ruppe, S.
Powiązania:
https://bibliotekanauki.pl/articles/393806.pdf
Data publikacji:
2014
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
background estimation
vehicle detection
time mean speed
traffic flow
traffic state
classification
estymacja tła
detekcja pojazdu
płynność ruchu
stan ruchu
klasyfikacja
Opis:
In this paper, we give an overview and a detail analysis of our approach for vision-based real-time traffic parameters estimation using low-resolution web cameras. Traffic parameters estimation approach mainly includes three major steps, (1) stable background estimation, (2) vehicle detection, mean speed and traffic flow estimation, and (3) traffic scene classification into three states (normal and congested). The background image is estimated and updated in realtime by novel background estimation algorithm based on the median of First-in-First-Out (FIFO) buffer of rectified traffic images. Vehicles are detected by background subtraction followed by post-processing steps. By exploiting the domain knowledge of real-world traffic flow patterns, mean speed and traffic flow can be estimated reliably and accurately. Naive Bayes classifier with statistical features is used for traffic scene classification. The traffic parameter estimation approach is tested and evaluated at the German Aerospace Center’s (DLR) urban road research laboratory in Berlin for 24 hours of live streaming data from web-cameras with frames per second 1, 5 and 10. Image resolution is 348 x 259 and JPEG compression is 50%. Processed traffic data is cross-checked with synchronized induction loop data. Detailed evaluation and analysis shows high accuracy and robustness of traffic parameters estimation approach using low-resolution web-cameras under challenging traffic conditions.
Źródło:
Archives of Transport System Telematics; 2014, 7, 2; 9-13
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability structure of the vessel traffic services in the Gulf of Gdansk
Autorzy:
Budny, T.
Powiązania:
https://bibliotekanauki.pl/articles/393970.pdf
Data publikacji:
2009
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
system monitorowania ruchu
system nadzoru ruchu statków
struktura niezawodności
transport morski
Zatoka Gdańska
traffic monitoring systems
systems reliability
vessel traffic services (VTS)
reliability structure
Opis:
In the paper reliability structure of the Vessel Traffic Services Gulf of Gdansk system is described. Four different functional subsystems are distinguished. Some definitions of the different kinds of structures are also presented.
Źródło:
Archives of Transport System Telematics; 2009, 2, 3; 3-7
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability of data obtained from video systems of traffic surveillance
Autorzy:
Stawowy, M.
Powiązania:
https://bibliotekanauki.pl/articles/393435.pdf
Data publikacji:
2010
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
telematyka
niezawodność informacji
nadzór ruchu
telematics
information reliability
traffic surveillance
Opis:
The paper presents a way for estimating the reliability of data obtained with video systems of traffic surveillance. It describes the elements of factors determining the reliability of this indicator and presents a method for determining it using a computer simulation. This indicator can be used for assessing the quality of services.
Źródło:
Archives of Transport System Telematics; 2010, 3, 3; 46-51
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation tasks for the didactic stand
Autorzy:
Kochan, A.
Powiązania:
https://bibliotekanauki.pl/articles/393601.pdf
Data publikacji:
2013
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
railway traffic simulation
railway traffic operation management
railway traffic operational control
simulator
symulacja ruchu kolejowego
zarządzanie operacyjne ruchem kolejowym
kontrola operacyjna ruchu kolejowego
symulator
Opis:
In the field of railway transport many activities are taken to achieve higher availability of offered services. A few of them consider more flexible rules of creating and starting trains. This requirement translates into greater complexity of railway traffic opertional management and control (RTMC). At the Faculty of Transport of Warsaw University of Technology classes for students have been conducted for several years with the use of the KSR-EDU stand. Taking into account the described trends of railway traffic nature, the KSR-EDU stand was connected to a simulator of real railway traffic. This connection allows to practice various and more complicated movement scenarios. The article describes RTMC layer model and simulator architecture in general. Two simulation tasks are described in details. The algorithms of simulation tasks for different levels of simulation are presented. In the end the benefits arising from application of the simulation for particular didactic tasks are discussed.
Źródło:
Archives of Transport System Telematics; 2013, 6, 3; 14-17
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technical and organizational aspects of the Automatic Number Plate Recognition System (ANPR)
Autorzy:
Kamiński, T.
Niezgoda, M.
Kruszewski, M.
Matysiak, A.
Filipek, P.
Powiązania:
https://bibliotekanauki.pl/articles/393445.pdf
Data publikacji:
2012
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
ANPR
egzekwowanie prawa
system nadzoru ruchu
law enforcement
traffic supervision system
Opis:
Automatic Number Plate Recognition systems are already widespread over the world. Their performance, both with high computational efficiency of modern computers make them a very good solution to use in traffic supervision and management systems in the city and at the regional level in the scope of safety and security services. The most popular way of use ANPR systems concerns detection of violations in traffic law. In Poland implementation of ANPR systems is at the starting point. There is still a noticeable lack of integrated area solutions, and currently used ANPR systems could not reach their full potential. In the following article authors introduced basic problems of application of the ANPR systems in Poland due to the legal requirements. Moreover paper presents selected functional aspects of ANPR systems.
Źródło:
Archives of Transport System Telematics; 2012, 5, 3; 14-19
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using information collected by weigh in motion for modeling traffic structure of vehicles
Autorzy:
Smolarek, L.
Ziemska, M.
Powiązania:
https://bibliotekanauki.pl/articles/393215.pdf
Data publikacji:
2017
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
intelligent transportation system
weight-in-motion
transport modeling
dynamic model
traffic structure
inteligentny system transportowy
ważenie pojazdów w ruchu
modelowanie transportu
model dynamiczny
struktura ruchu
Opis:
The article presents an example of a dynamic traffic flow modeling using as a data source information the measurement system weight Preselection Implemented in Gdynia. The measuring point is located on the road leading to the Gdynia container terminals and to Gdynia Kwiatkowski, which is Directly connected with the TriCity Bypass. One of the goals of the system is collect data which can be used for operational purposes and statistics. Measurement period allowed the appointment of a mathematical model which describes the dynamic variation of the structure of the stream. In Addition, an analysis of the variability of the traffic flow in both the daily and weekly basis is presented. This give possibility to determine the effect of time of day and day of the week on the parameters of a dynamic model describing the structure of a generic stream. The resulting model allows the study of the impact of the share of heavy vehicles on ride comfort of passenger cars.
Źródło:
Archives of Transport System Telematics; 2017, 10, 4; 32-37
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A system for monitoring and analysis of vehicular traffic
Autorzy:
Markiewicz, M.
Skomorowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/393960.pdf
Data publikacji:
2008
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
optymalizacja trasy
GPS
analiza przepływu ruchu
route optimization
traffic flow analysis
Opis:
The main purpose of the system described in this paper is optimization of traffic in the city by collecting and analyzing data related to traffic flow. Devices used in the process of collecting traffic information are installed in vehicles and send the information about current vehicle’s position and momentary speed. Based on that it is possible to find the best routes for any two points in the city.
Źródło:
Archives of Transport System Telematics; 2008, 1, 1; 39-41
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:
Model and tool based approach for the testing of cooperative systems within traffic
Autorzy:
Krause, J.
Magnus, S.
Schönrock, R.
Herrmann, A.
Powiązania:
https://bibliotekanauki.pl/articles/393776.pdf
Data publikacji:
2013
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
cooperative systems
distributed testing
traffic simulation
systemy współpracujące
testowanie rozproszone
symulacja ruchu
Opis:
The testing of cooperative transport systems is challenging because of their complexity and distributions. With TTCN3 a standard based procedure is available for specifying, executing and evaluating the testing of distributed systems such as cooperative transport systems. In the paper a standard, model and tool based solution for the testing of distributed cooperative transport systems is introduced. Based on the TTCN3 semantic, a specific model based approach for dealing with the complexity of the necessary distributed test systems was developed. With the help of some practiceoriented examples from the traffic sector this approach is presented.
Źródło:
Archives of Transport System Telematics; 2013, 6, 4; 14-17
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer aided synthesis of reversible logic in traffic control systems
Autorzy:
Pniewski, R.
Powiązania:
https://bibliotekanauki.pl/articles/393838.pdf
Data publikacji:
2018
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
traffic control system
reversible logic
synthesis
system kontroli ruchu
logika rewersyjna
synteza
Opis:
Currently traffic control systems in place relay systems used microprocessor systems. A better solution may be the use of reversible logic in the synthesis of digital control systems. The main problem in the design of reversible logic is the transformation of the description of the system from the form of Boolean equations to the reversible form. The article presents error-proof reversible gates and software supporting the automatic synthesis process. The presented programs were developed and launched by the author of the article. The article presents the algorithms used to describe the description of circuits. The results of the programs’ operation and results of simulation of systems with reversible logic are presented.
Źródło:
Archives of Transport System Telematics; 2018, 11, 3; 43-48
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 57

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