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1.
Spatial modelling of the transport mode choice : application on the Vienna transport network
Simona Šinko, Bojan Rupnik, Klemen Prah, Tomaž Kramberger, 2021, original scientific article

Abstract: A new approach for spatial modelling of transport mode choice is presented in the paper. The approach tackles the problem by considering the trade-off between subjective and objective factors. To obtain mode Preference Rates (PRs) based on subjective factors, the Analytic Hierarchy Process (AHP) method is applied. The objective factors are expressed with the journey time from any point in the map to destination according to the available transport mode choice on the specific connection. The results are presented as PRs of individual transport modes. The model is validated on the con-ducted the survey, with students of Vienna University of Economics and Business (WU) as a target audience. Members of different target groups (age, national, employment) decide differently regarding the transport choice, so it is better to analyse them separately. The presented model can be used for the city transport planning in any urban area. It can help promote the sustainable modes of transport in the areas that are less adjusted in sustainable manner.
Keywords: transport mode choice, passenger transport, spatial modelling, city transport planning, city mobility, urban logistics, ergonomics, AHP, decision-making policy, GIS, students, objective and subjective factors, transport management
Published in DKUM: 10.12.2024; Views: 0; Downloads: 3
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2.
Control model for ground crew scheduling problem at small airports : case of Serbia
Lena Đorđević Milutinović, Dragana Makajić-Nikolić, Slobodan Antić, Marija Živić, Andrej Lisec, 2021, original scientific article

Abstract: Present-day airline industry is quite a competitive field and crew scheduling represents one of the crucial problems due to significant impact on the airline's cost. The crew scheduling problem is based on the assignment of crew members to operate different tasks of route. The main goal of this paper is to provide an analysis and a solution to one of the biggest problems detected on a small airport in the Serbia - the problem of ground crew scheduling. The paper presents the main characteristics, goals and limitations of a real-life problem identified at this small airport. In order to solve the problem, we developed a dynamic discrete simulation model. The model is developed in a spreadsheet environment of Microsoft Excel. Some of the main limitations found in the development of the model are strong constraints and multiple goals. The model presented in the paper is designed as a useful management tool for smaller airports and is aimed at the improvement of operative processes.
Keywords: crew scheduling problem, modelling, air transport, small airport, management, spreadsheets
Published in DKUM: 01.10.2024; Views: 0; Downloads: 1
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3.
Methodology for estimating the effect of traffic flow management on fuel consumption and CO2 production : a case study of Celje, Slovenia
Borut Jereb, Ondrej Stopka, Tomáš Skrúcaný, 2021, original scientific article

Abstract: The manuscript discusses the investigation of vehicle flow in a predesignated junction byan appropriate traffic flow management with an effort to minimize fuel consumption, the productionof CO2, an essential greenhouse gas (hereinafter referred to as GHG), and related transport costs.The particular research study was undertaken in a frequented junction in the city of Celje, located in the eastern part of Slovenia. The results obtained summarize data on consumed fuel and produced CO2 amounts depending on the type of vehicle, traffic flow mixture, traffic light signal plan, andactual vehicle velocity. These values were calculated separately for three different conditions of traffic flow management. Amounts of fuel consumed were experimentally investigated in real traffic situations, whereas CO2 production was calculated by applying the actual European standardentitled EN 16258:2012 associated with a guideline for measuring emission values, as well as by examining specific traffic flow parameters. The key objective of the manuscript is to present multiple scenarios towards striving to minimize environmental impacts and improve transport operation's economic consequences when implementing proper traffic flow management. As for crucial findings, we quantified fuel consumption and CO2 emissions based on real data on the number and type of vehicles crossing the examined intersection and traffic light switching intervals. The results show that most of the CO2 was produced while waiting and in the accelerating phase in front of traffic lights, whereby in the running phase through the intersection, significantly less fuel was used. This study represents a mosaic fragment of research addressing endeavors to reduce CO2 production in urban transport. Following the experiments conducted, we can see a notable contribution towards reducing CO2 production with known and tested interventions in the existing transport infrastructure. A procedure embracing individual research steps may be deemed as an approach methodology dealing with traffic flow management with an aim to decrease the environmental and economic impacts oftraffic and transport operation; this is where the novelty of the research lies.
Keywords: traffic flow management, urban transport, CO2 production, greenhouse gas, fuel consumption, methodology, logistics, crossroads
Published in DKUM: 19.08.2024; Views: 82; Downloads: 9
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4.
Advances in monitoring and understanding the dynamics of suspended-sediment transport in the river Drava, Slovenia: an analysis more than a decade-long
Janja Kramer Stajnko, Renata Jecl, Matjaž P. Nekrep, 2023, original scientific article

Abstract: Managing sediment transport in streams is crucial to the surface water resource development strategy and has several implications for flood risk and water management, hydropower use, and balancing river morphology. This paper summarises the movement and behaviour of suspended sediment within the Slovenian portion of the River Drava, covering a span of thirteen years from 2005 to 2018. An analysis of relevant data collected during this period is also presented. Suspended-sediment dynamics strongly depend on flow velocity, seasonal variations in sediment sources, and human interventions in the riverbed. The transportation of material in the River Drava results in the accumulation of sediments in reservoirs and riverbeds, consequently impeding the natural hydrological cycle by reducing the outflow into aquifers. The 2018 high-water event is analysed in terms of the dependence of concentration of suspended sediments on discharge, where counterclockwise hysteresis was observed, providing an essential clue to the origin of sediment. Sediments from the River Drava in Slovenia are managed with some conventional processes and are mainly deposited or reintegrated into rivers and aquatic ecosystems. Some additional sediment management strategies with long-term solutions for efficient and comprehensive water management, hydropower, and ecological problems are proposed.
Keywords: sediment transport, streams, suspended sediment dynamics, suspended sediment transport, river Drava, sediment management, monitoring, water management
Published in DKUM: 13.09.2023; Views: 476; Downloads: 43
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5.
Vpeljava sledljivosti lesnih polizdelkov z uporabo modularnih vozičkov : magistrsko delo
Aleš Plavčak, 2021, master's thesis

Abstract: Magistrsko delo prikazuje vpeljavo sledljivosti lesnim polizdelkov ter izboljšanje notranje logistike. Predstavljeno je obravnavano podjetje, shema podjetja in obdelovalni procesi v proizvodnji. S procesnimi kartami v okviru kritične analize so prikazane procesne pomanjkljivosti sistema sledenja polizdelkom in kritične točke, ki predstavljajo velik vpliv na učinkovitost podjetja. V magistrskem delu je predstavljen natančen pregled tehnologij za sledenje polizdelkom in možne variante izboljšanja notranjega transporta. Predlagane so izboljšave, ki so bile ovrednotene s prenovljeno procesno karto. Ker gre pri vzpostavitvi nove tehnologije za projekt, je izračunana še stroškovna vrednost projekta, pripravljena je analiza tveganj projekta, izdelan terminski plan izvedbe projekta, vpeljava sledenja lesnim polizdelkom z uporabo modularnih vozičkov in ureditev delovnega okolja.
Keywords: intralogistika, notranji transport, sledljivost, projekt, projektni management, procesne karte, analiza učinkovitosti
Published in DKUM: 15.04.2021; Views: 1051; Downloads: 10
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6.
Specific characteristics of the ship and port services as aspects of maritime management
Mimo Drašković, 2016, independent scientific component part or a chapter in a monograph

Abstract: Several ship and port services have been considered, along with their specific characteristics and in the context of their place and role in the entire maritime transport management. A general analysis has been conducted and classification of services of the maritime transport has been done. The specific components and features of the functioning of enterprises of maritime transport services and management of their respective departments and transport stages of sea shipping have been described. A detailed description and substantiation of several levels of management that perform certain specific tasks in the logistics customer service in marine transportation has been given. Some features of the production and service management in seaports have been identified and discussed. A detailed analysis has been provided in terms of modern logistical approaches to customer service of freight trans- port service in general and marine cargo transport services, in particular. The major starting point hypothesis has been confirmed that the quality of services plays a dominant role in the competitive transport environment. The results for a particular seaport and maritime transportation organisations have been determined by the quality of services. In the context of rapid and continuous development of the service sector and its growing contribution to the gross domestic product, the consideration of the ship and maritime transport services is very important, especially for the maritime coastal countries, because they generate extraordinary possibilities for increasing employment, raising competitiveness and the economy of countries and development of their territories. In addition, quality maritime and port services make part of the modern transnational logistic network.
Keywords: logistics, maritime logistics, ship and port services, maritime transport management, sea shipping, quality
Published in DKUM: 09.05.2018; Views: 1279; Downloads: 191
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7.
Management and logistics : selected topics
Borut Jereb, Mimo Drašković, Irena Gorenak, Sanja Bauk, Maja Fošner, Bojan Rosi, Drago Pupavac, Darja Topolšek, Oleksandr Dorokhov, Uroš Kramar, Željko Ivanović, Marjan Sternad, Matjaž Knez, Sonja Mlaker Kač, Ludmila Malyaretz, Matevž Obrecht, Tina Cvahte Ojsteršek, 2016, scientific monograph

Abstract: The scientific monograph titled Logistics and Management – selected topics is the result of a bilateral project, lasting from 2013 to 2015 and titled “Preparation of a joint scientific monograph in the field of logistics and management issued at the Faculty of Logistics in Celje and the Maritime Faculty of Kotor”. The project was managed by Professor Maja Fošner, PhD, from the Faculty of Logistics at the University of Maribor, and Professor Veselin Draskovic, PdD, from the Maritime Faculty of Kotor, Montenegro. The main goal of the monograph is to give a comprehensive account of selected areas from the field of logistics and challenges in the development of logistics, such as risk management and supply chains, transport cost, competences in logistics, urban logistics, green logistics, seaport cooperation, logistics network optimisation, logistics in tourism, logistics in performance management, systemic logistics providers and solutions to problems of transportation task. Wishing to offer a comprehensive presentation of various areas in the field of logistics, the authors of the monograph contributions, who participated on the project (Maja Fošner, Bojan Rosi, Borut Jereb, Marjan Sternad, Veselin Draskovic (ed.), Mimo Draskovic, Sanja Bauk, Senka Sekulac-Ivosevic), invited to cooperation also other researchers from the Faculty of Logistics and the Maritime Faculty of Kotor (Irena Gorenak, Matjaž Knez, Matevž Obrecht, Sonja Mlaker Kač, Tina Cvahte, Darja Topolsek, Drago Pupavac, Zeljko Ivanovic, Oleksandr Dorokhov, and Ludmila Malyaretz) who enriched the present monograph with their contributions. The monograph is aimed at professional public and anyone interested in the field of logistics. It should also serve as a useful aid in the study of logistics.
Keywords: logistics, management, risk management, supply chains, transport cost, urban logistics, green logistics, seaport cooperation, logistics network, optimisation, logistics in tourism, logistics in performance management, systemic logistics providers
Published in DKUM: 08.05.2018; Views: 1694; Downloads: 313
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This document is also a collection of 14 documents!

8.
Real capacity of ropeway transportation subsystem
Drago Sever, 2000, other scientific articles

Abstract: The ropeway transportation system plays a major role in mountain resorts. In order to provide a sustainable development of the entire mountain resort system, the real capacity of the ropeway transportation system was set. The real capacity of the ropeway transportation system is one of the indicators of the development harmonisation level of single system elements. The research into this field was carried out at the Road Traffic Centre of the Faculty of Civil Engineering, University of Maribor. The paper deals with the basic points of the topic and the methods used. The know-how transfer of experiences into the Slovenian environment is presented together with the obtained results.
Keywords: traffic management, traffic, transport, ropeway, capacity
Published in DKUM: 05.06.2017; Views: 1325; Downloads: 173
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9.
Models of inter-organizational logistics management in Slovenia
Sašo Murtič, Andrej Lisec, 2015, original scientific article

Abstract: Throughout the history, the transportation of goods and related logistics have played an important role in human development and existence. This pertains to numerous interlinked processes, whose management is often linked to social system, international linkages, development of industry, market and market specifics. In modern times, the management of these processes is increasingly bound to globalization of production and market, moving of production to countries with cheaper labour force, environmental protection. The present Slovenian economy depends to a large extent on economies and corporate relations of the European Union and the world. Such inter-connectedness demands frequent transportation of semi-finished and finished goods. By providing timely delivery of goods, transportation consequently enables inter-organizational linkages and individual production, economic, market and other processes. Organizational and inter-organizational management of transport logistics demands profound understanding of transport flows, freight forwarding expertise and knowledge of transport, tax, environmental and other related regulations. Adequate knowledge and mastering of cultural, linguistic, national and other differences is important as well. The presented analysis and evaluation form the basis of the construction of inter-organizational model of logistics management in Slovenia.
Keywords: logistics, logistics management, inter-organizational linkages, transport, outsourcing, Slovenia
Published in DKUM: 05.06.2017; Views: 1168; Downloads: 434
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10.
MANAGEMENT IN UČINKOVITOST STORITVENEGA PODJETJA
David Špendal, 2016, master's thesis

Abstract: V magistrskem delu sta management in učinkovitost storitvenega podjetja prikazana na primeru družinskega podjetja Špendal d.o.o., ki se ukvarja z logistiko in transportom blaga po celotni Evropi. Na primeru opazovanega podjetja smo opredelili model managerskega vidika poslovanja podjetja Špendal d.o.o. Gre za primer, kako v družinskem podjetju ustvariti managerski model, s katerim management upravlja celotno podjetje. Za potrebe prikaza managerskega modela smo preučili potenciale sodobnega managementa in vplive krize na management.
Keywords: management, managerski model, družinsko podjetje, logistika, transport
Published in DKUM: 20.10.2016; Views: 868; Downloads: 970
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