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CNN-Based Vessel Meeting Knowledge Discovery From AIS Vessel Trajectories
Peng Chen, Shuang Liu, Niko Lukač, 2023, izvirni znanstveni članek

Opis: How to extract a collection of trajectories for different vessels from the raw AIS data to discover vessel meeting knowledge is a heavily studied focus. Here, the AIS database is created based on the raw AIS data after parsing, noise reduction and dynamic Ramer-Douglas-Peucker compression. Potential encountering trajectory pairs will be recorded based on the candidate meeting vessel searching algorithm. To ensure consistent features extracted from the trajectories in the same time period, time alignment is also adopted. With statistical analysis of vessel trajectories, sailing segment labels will be added to the input feature. All motion features and sailing segment labels are combined as input to one trajectory similarity matching method based on convolutional neural network to recognize crossing, overtaking or head-on situations for each potential encountering vessel pair, which may lead to collision if false actions are adopted. Experiments on AIS data show that our method is effective in classifying vessel encounter situations to provide decision support for collision avoidance.
Ključne besede: AIS Data, CNN, Dynamic Rammer-Douglas-Peucker, knowledge discovery, maneuvering pattern, traffic pattern, trajectory
Objavljeno v DKUM: 19.03.2024; Ogledov: 100; Prenosov: 3
.pdf Celotno besedilo (3,84 MB)
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3.
The use of intelligent transport systems in the operation of driving schools : master's thesis
Nikola Božinić, 2022, magistrsko delo

Opis: The aim of the master's thesis was to conduct research on the use of intelligent transport systems in the current training of future drivers and their knowledge of the content and also knowledge of the content of employees in teh field of training of future drivers The current methods of driver training in individual countries are presented, with a more detailed description of their implementation and the method of testing the acquired knowledge. At the same time, the survey was conducted in the Republic of Croatia and the information on how well people are generally familiar with the knowledge of intelligent transport systems, how they apply them and what do they consider as usable intelligent systems were collected. The research was also conducted among employees in the field of training of future drivers, also in the Republic of Croatia, where were obtained on what changes employees believe have to be done, or how changes in the automotive industry could affect their work, such as is the phenomenon of autonomous driving. After that, a comparison of driver training nowadays wth the proposal of future training with the use of intelligent transport systems is presented.
Ključne besede: novice drivers, traffic safety, driving education, intelligent vehicle systems, autonomous driving
Objavljeno v DKUM: 29.08.2022; Ogledov: 404; Prenosov: 28
.pdf Celotno besedilo (4,33 MB)

4.
Analysis of safety inspections on pedestrian crossings from the road lighting point of view : master's thesis
Matea Šepoval, 2020, magistrsko delo

Opis: In this master's thesis we will analyse traffic safety at pedestrian crossings from the lighting point of view. The focus of the work will be on Croatia and Slovenia. Accidents at pedestrian crossings are the most common forms of accidents involving pedestrians, and although these countries are equal members of the European Union, their attitude towards road users may be different. Road accidents are one of the main indicators of road safety in every country and, based on statistics, suggestions for improvement will be made. By analysing the type of pedestrian crossings and the types of street lighting, we will identify and show their weaknesses. We will first present an analysis of traffic accidents involving pedestrians for certain periods for Slovenia and Croatia. This analysis is an indicator of actual traffic conditions related to pedestrian safety and non-motorized traffic. The statistical data presented in this master’s thesis were obtained from the Ministry of the Interior of the Republic of Croatia and the website of the Public Agency of the Republic of Slovenia for Road Safety, which is available with a large amount of data and analyses of traffic safety on a daily basis. Slovenian regulations clearly show the types and methods of designing pedestrian crossings, while Croatia lags behind in the details and explanations of the elements. In the end, an example of a comparison of pedestrian crossing lighting in the Republic of Croatia and Slovenia at locations in Bjelovar and Maribor will be presented. I will compare the brightness of pedestrian crossings and give an analysis of current traffic safety. Finally, solutions to improve the situation will be offered.
Ključne besede: traffic safety, pedestrian road crossing, traffic accident, traffic lighting
Objavljeno v DKUM: 01.10.2020; Ogledov: 997; Prenosov: 100
.pdf Celotno besedilo (1,50 MB)

5.
Comparison of criteria for road safety barrier installation in some countries of the European union
Leonid Ljubotina, 2019, magistrsko delo

Opis: In the master thesis we will analyze regulations which define the criterion for vehicle restraint system installment in certain countries of the European Union. We will focus mostly on Slovenia, Italia and Croatia. Even though all of the three states are members of the European Union, have common borders and the “Mediterranean” TEN corridor passes through these countries, it is possible to conclude that the passive safety equipment on the road infrastructure in those states is not harmonized. There are also big differences between the installation conditions of the traffic safety barriers and category selection of the safety barriers. Analyzing regulations regarding traffic safety barrier installation, we will try to define the differences in equipping roads with safety barriers, depending on road category, definition of black spot and the category of the safety barrier.
Ključne besede: traffic, traffic safety, vehicle restraint system, Mediterranean corridor, guidelines
Objavljeno v DKUM: 26.09.2019; Ogledov: 910; Prenosov: 100
.pdf Celotno besedilo (3,17 MB)

6.
Introduction of the concept of "Rescue Sheet" in road traffic
Vanna Boroša, 2019, magistrsko delo

Opis: In this master's thesis, an analysis was made of the way fire departments operate in rescuing injured passengers from vehicles in an event of a car accident. In order to make it easier to understand the core of master's thesis, the paper defines terms such as the "golden hour", which is essential for the survival of injured passengers in a car accident. The analysis also includes information on the construction designs of the car and how the construction of the car could make it difficult for the firefighting units to operate. Some examples of interventions done by fire brigades and the problems encountered in everyday work on modern cars are also provided. In the concluding part of the thesis we have presented how fire departments can become more efficient, safer, faster, and economical in their daily work while rescuing passengers from vehicles. We have explained in more detail the notion of a “rescue sheet” and how it can be better implemented in the future. At the end of the paper, we have suggested the optimal ways of rescue sheet usage and have outlined the advantages and disadvantages of these uses.
Ključne besede: Traffic accident, Firefighters, Traffic safety, Golden hour, Rescue sheet
Objavljeno v DKUM: 23.09.2019; Ogledov: 883; Prenosov: 84
.pdf Celotno besedilo (2,32 MB)

7.
Modeling of a geocell-reinforced pavement : an experimental validation
Samo Peter Medved, Bojan Žlender, Stanislav Lenart, Primož Jelušič, 2016, izvirni znanstveni članek

Opis: This article details how the serviceability of a flexural pavement structure is improved by incorporating the Cellular Confinement System (geocells). For this purpose, two different pavement structures, with and without embedded geocells, were manufactured in a laboratory and an accelerated traffic type of loading was applied. The vertical and horizontal cyclic loads were applied simultaneously to simulate the effect of principal stress rotation. A comparative study between the conventional flexible pavement and the geocell-reinforced flexible pavement is presented. Additionally, numerical models of the laboratory tests were built and the results were compared. The simulation of the experimental tests using the Traffic Load Simulator (TLS) are carried out using the FEM and advanced models that describe the permanent strain behavior of the unbound granular material. The development of permanent deformation within the pavement structure, with and without the geocells, is also presented through the numerical model, which was verified by the experimental results.
Ključne besede: flexible pavement, reinforcement, geocell, traffic load simulator, permanent deformation, numerical modeling
Objavljeno v DKUM: 18.06.2018; Ogledov: 1202; Prenosov: 98
.pdf Celotno besedilo (1,39 MB)
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8.
Infrastructure planning and environmental protection : case study of Slovakia
Marián Gogola, Daniela Durcanska, Marta Hocova, 2016, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Ključne besede: infrastructure planning, environmental protection, air pollution, transportation, traffic, emissions, Slovakia
Objavljeno v DKUM: 10.05.2018; Ogledov: 8128; Prenosov: 87
.pdf Celotno besedilo (3,21 MB)
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9.
Multiphase approach to developing model of logistics for coastal tourist destinations
Sanja Bauk, Željko Ivanović, 2016, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Opis: The process of urbanization of coastal tourist destinations (CTDs) is taking place at high speed and at the same time creating a lot of complex problems. The positive trend of urbanization has resulted in increased volume of freight transport which leads to burdening the traffic network, time losses and causes traffic congestion problems on the streets with increased environmental pollution due to emissions, noise and vibration. These findings brought to some research being started on the EU level, aiming to develop new logistic solutions, so these areas could be developed on a sustainable basis. With this in mind, the paper proposes a method of developing a novel model of logistics (MoL) for CTDs through several stages. The point of proposed MoL lies in achieving optimal connectivity of transportation, warehousing and physical distribution of goods, and making it a single functional model, so as to allow simultaneous optimization of logistic processes in a CTD, and to incorporate logistics in tourist offer.
Ključne besede: coastal tourist destinations, urbanization, traffic network, sustainable logistic solutions, model of logistics, optimization
Objavljeno v DKUM: 09.05.2018; Ogledov: 1194; Prenosov: 389
.pdf Celotno besedilo (445,23 KB)
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10.
Analysis of road traffic safety in Minna Niger State, Nigeria
Adebayo Owolabi Oyetubo, Oluwaseyi Joseph Afolabi, Muhammed Etudaiye Ohida, 2018, izvirni znanstveni članek

Opis: Road traffic accident is one of the major causes of death in Nigeria. Road accidents have taken away so many lives in Nigeria today that hardly does any single disease match its mortality prowess. People have died prematurely and properties worth several millions of Naira have been lost as a result of road traffic accident. This paper gives a full discussion on road traffic safety issues and the methodology used were through the collection of data using questionnaire and accident information from the Nigeria Police Force, FRSC etc. The primary information for this research was sourced through the use of structured questionnaire, personal observation and interviews of road users in the study area. Secondary data emanated from published and unpublished sources such as government records, internet, journals, books etc. The findings were presented in descriptive and inferential form using frequencies, percentages, tables, mean and chi-square analytical techniques. The findings from the study revealed among many others; that Male involved more in road accident compare to female counterpart in Minna Niger State. Private car had more accident compare to Taxi, The number of accident in each zone does not depend on the population of that zone, etc.
Ključne besede: accident, traffic, fatalities, safety, vehicle
Objavljeno v DKUM: 25.04.2018; Ogledov: 1009; Prenosov: 320
.pdf Celotno besedilo (692,91 KB)
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