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    Wyświetlanie 1-14 z 14
    Tytuł:
    Application of the chosen multi-criteria decision-making methods to identify the autonomous train system supplier
    Autorzy:
    Stopka, Ondrej
    Stopková, Mária
    Lupták, Vladimír
    Krile, Srećko
    Powiązania:
    https://bibliotekanauki.pl/articles/1841175.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    distribution
    manufacture
    autonomous train system
    decision-making
    multicriteria analysis method
    dystrybucja
    produkcja
    autonomiczny system kolejowy
    podejmowanie decyzji
    metoda analizy wielokryterialnej
    Opis:
    This paper addresses an application of the specific methods of multi-criteria decision analysis to specify the appropriate supplier of an autonomous train in a certain production–distribution company. This company identifies three potential suppliers dealing with the development and purchase of autonomous train systems. In terms of the multi-criteria decision analysis, the WSA method, the Scoring method and the TOPSIS method were used to define a suitable compromise solution. To apply each method, individual suppliers were sorted depending on the appropriateness for the examined company based on relevance with all the identified criteria and their weights. The evaluation criteria include procurement cost, time of the whole autonomous train system project implementation, references from plants where such a technology has already been introduced, service department availability and battery charge time. Thereafter, the outcomes obtained using individual methods were compared to each other and the compromise supplier of the autonomous train system to be implemented in the selected company was determined.
    Źródło:
    Transport Problems; 2020, 15, 2; 45-57
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of the chosen multi-criteria decision-making methods to identify the autonomous train system supplier
    Autorzy:
    Stopka, Ondrej
    Stopková, Mária
    Lupták, Vladimír
    Krile, Srećko
    Powiązania:
    https://bibliotekanauki.pl/articles/1841171.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    distribution
    manufacture
    autonomous train system
    decision-making
    multicriteria analysis method
    dystrybucja
    produkcja
    system kolejowy autonomiczny
    podejmowanie decyzji
    metoda analizy wielokryterialnej
    Opis:
    This paper addresses an application of the specific methods of multi-criteria decision analysis to specify the appropriate supplier of an autonomous train in a certain production–distribution company. This company identifies three potential suppliers dealing with the development and purchase of autonomous train systems. In terms of the multi-criteria decision analysis, the WSA method, the Scoring method and the TOPSIS method were used to define a suitable compromise solution. To apply each method, individual suppliers were sorted depending on the appropriateness for the examined company based on relevance with all the identified criteria and their weights. The evaluation criteria include procurement cost, time of the whole autonomous train system project implementation, references from plants where such a technology has already been introduced, service department availability and battery charge time. Thereafter, the outcomes obtained using individual methods were compared to each other and the compromise supplier of the autonomous train system to be implemented in the selected company was determined.
    Źródło:
    Transport Problems; 2020, 15, 2; 45-57
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Approach technique of specifying a proper autonomous cart type for its service in the logistics center
    Autorzy:
    Stopka, Ondrej
    Powiązania:
    https://bibliotekanauki.pl/articles/263152.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    logistics service
    logistics center
    handling device
    autonomous cart
    multiple-criteria analysis
    Opis:
    Basically, relocation, protection, warehousing and management of materials and products throughout the logistics chain (manufacturing, warehousing, distribution, consumption and disposal) are referred to as cargo handling. Cargo handling includes a variety of manual, semi-automated and automated devices, processes and systems supporting the manufacture and logistics, and helps with the efficient cargo flow across the logistics chain. This research study designs an approach technique (procedure) to specify a proper type of the autonomous cart as a part of handling devices for its service activities within the area of opted logistics center applying an adequate multiple-criteria analysis method. Introductory parts of the paper summarize relevant literature review regarding research topic, methods and procedures important to compile the draft technique, identify all the relevant criteria used for the given purpose as well as define variants of autonomous carts taken into consideration in order to calculate the final outcome. The most important chapter specifies the approach technique design itself including application of method to calculate the criteria weights as well as use of the multiple-criteria analysis method, specifically the Weighted-Sum Approach, in order to define the variant ranking.
    Źródło:
    Archiwum Motoryzacji; 2019, 84, 2; 23-31
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of placing the container reloading station by applying the Operations Research methods: a research study
    Autorzy:
    Stopka, Ondrej
    Powiązania:
    https://bibliotekanauki.pl/articles/263286.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    intermodal transport
    road transport
    logistics chain
    container reloading station
    Operations Research
    Opis:
    The manuscript is focused on the design of methodical procedure to locate container reloading station of national importance in the examined country. Slovakia represents the investigated country where ten container reloading stations , specialized above all in transshipment of loading units, are currently in operation. The introductory parts of the manuscript outline the most important concepts associated with the very term of intermodal transport, container reloading stations in the given country as well as a brief literature review in a given context. The following parts discuss the specification of relevant data and methods for this study as well as a description of the general procedure of multi-criteria evaluation of alternatives; namely consisting of, identifying a set of alternatives (Slovak regions), establishing a set of criteria and determining the weights of such criteria. The last part of the manuscript addresses forming a criteria matrix and subsequent calculations in order to search for the most suitable region when applying particular techniques of Operations Research. Specifically, the weights of criteria being determined based on the Saaty quantitative pairwise comparison method, and the final procedure in the context of selecting the most suitable alternative is suggested by using the Technique for Order Preference by Similarity to Ideal Solution (also called as the TOPSIS method).
    Źródło:
    Archiwum Motoryzacji; 2019, 85, 3; 123-136
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Draft model of delivery routes at a city logistics scale when applying the Clarke-Wright method
    Autorzy:
    Stopka, Ondrej
    Powiązania:
    https://bibliotekanauki.pl/articles/263262.pdf
    Data publikacji:
    2020
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    city logistics
    Vehicle Routing Problem
    Operations Research
    urban distribution center
    Clarke-Wright method
    Opis:
    The manuscript deals with the subject of determining the optimal delivery routes in terms of supplying urban distribution centers when minimizing the distance traveled in a particular region for the purpose of addressing city logistics issues using the specific Operations Research method, namely the Clarke-Wright method. Thus, the main paper objective is to examine the issue: what are the optimal transport journeys from the specific object among individual customers in a certain region in order to execute minimum transport performance? First two sections of the manuscript specify the relevant concepts regarding the issue of distribution tasks and vehicle routing problem, and presents data and methods in relation to this research study. The most significant part of the article models the individual routes to determine the optimal interconnections of urban distribution center and their supply from one logistics service center in a regional logistics network at a city logistics scale when applying the Clarke-Wright method. The last sections of the elaborated research study evaluate the major findings and discuss the possible future initiatives in the topic addressed.
    Źródło:
    Archiwum Motoryzacji; 2020, 87, 1; 67-80
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modeling the designs in terms of logistics service center placement: a case study
    Autorzy:
    Stopka, Ondrej
    Droździel, Paweł
    L'upták, Vladimir
    Powiązania:
    https://bibliotekanauki.pl/articles/2176193.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    multi-criteria decision making
    logistic service centers
    facility location
    AHP
    TOPSIS
    wielokryterialne podejmowanie decyzji
    centrum obsługi logistycznej
    lokalizacja obiektu
    Opis:
    Suggesting the proper location for logistics facility can be considered as a decision making problem, wherein the final solution/decision is affected by multiple external or even internal circumstances. In order to address the decision making issues, various multi-criteria decision making (MCDM) techniques may be implemented; and hence, they can be applied even when making a decision about an adequate logistics service center (LSC) placement in an examined territory (i.e., national logistics network of the selected territory), which is an aim of this manuscript. Following the statements above, as for the individual instruments of MCDM to be implemented in terms of the crucial objective of this research, the definite decision making process will be carried out by applying the Analytic Hierarchy Process (AHP) followed by the Technique for Order Preference by Similarity to the Ideal Solution (TOPSIS), on the basis of criteria weights defined by the Saaty pairwise comparison method. The methods used appear to be ideal instruments towards decision making on the most suit-able location which is represented by the region in our case. Subsequently, these will be ordered from the most preferred to least one by using a preference ranking. As a result of the application of AHP and TOPSIS approaches, based on the conducted calculations in regard to decision making on identifying the proper LSC location out of eight selected regions, one specific region will be defined as the most suitable (so-called compromise) scenario. Individual tools allow for reducing the number of assigned criteria that are taken into account in searching process for individual solutions. In order to objectify the entire decision making procedure, ten topic-involved experts having practical experience with a subject of logistics object allocation will be asked to participate in the process. Preferences differ from one decision maker (expert) to another; hence, the outcome depends on who is making decisions and what their goals and preferences are.
    Źródło:
    Archives of Transport; 2022, 64, 4; 59--71
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of collection routes using the centre of gravity method: a case study
    Autorzy:
    Stopka, Ondrej
    Ľupták, Vladimír
    Poliak, Miloš
    Stopková, Mária
    Powiązania:
    https://bibliotekanauki.pl/articles/27315981.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    distribution logistics
    optimization
    waste collection route
    centre of gravity method
    logistyka dystrybucji
    optymalizacja
    trasa zbiórki odpadów
    metoda środka ciężkości
    Opis:
    The paper deals with the implementation of research concerning the collection routes of a selected company and subsequent streamlining processes in the field of distribution logistics. Specifically, the paper is focused on the optimization of collection routes of textile waste for the customer, i.e., a contractual partner of the company under investigation. The objective of the paper is to analyse step by step the current state of logistics of supplying a specific warehouse, followed by the application of the centre of gravity method for proposing a warehouse relocation. Finally, the individual routes to collection points are optimized. In general, optimization is done for two basic reasons: profit maximization and logistics costs minimization, which ultimately has a positive impact on earnings. The outcome is to determine the optimal routes with respect to costs and traffic while considering complications that may occur in a given transport territory.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2023, 121; 241--256
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proposal of specific measures in the context of streamlining operating costs in a selected company
    Autorzy:
    Stopka, Ondrej
    Ľupták, Vladimír
    Rybicka, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/2098184.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    manufacturing company
    operating costs
    multi-criteria evaluation of variants
    Saaty method
    AHP
    fuller method
    base-criterion method
    przedsiębiorstwo produkcyjne
    koszty operacyjne
    wielokryterialna ocena wariantów
    Metoda Saaty'ego
    metoda Fullera
    metoda kryterium bazowego
    Opis:
    The aim of this research is to propose particular measures aimed at streamlining costs in terms of operations in a selected company. A specific proposal is based on the concept related to using services of the transport databank. As at least two out of five major carriers of the investigated company resell shipments to other carriers on such portals, the company could reduce the transport costs by entering shipments into the transport databank on its own. One out of three selected providers will be chosen using multi-criteria evaluation methods, specifically, the Analytic Hierarchy Process (hereinafter referred to as AHP) and the Base-criterion method. Determination of the weights of criteria will be carried out using the Saaty method of quantitative pair wise comparison and the Fuller pair wise comparison method. In this paper, the presented methods are applied for the example of a specific company specialized in the manufacture of metal storage racks and steel structures. In the Czech Republic, the company employs 65 employees in production, storage and administration. Based on the analytical evaluation of the current situation of the company, relevant measures will be proposed with a required effect on the effectiveness of such an enterprise.
    Źródło:
    Transport Problems; 2021, 16, 4; 121--134
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of activity-based costing approach for cost management in a railway transport enterprise
    Autorzy:
    Stopka, Ondrej
    Stopkova, Maria
    Rybicka, Iwona
    Gross, Patrik
    Jeřábek, Karel
    Powiązania:
    https://bibliotekanauki.pl/articles/2134860.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    railway enterprises
    cost management
    indirect transport cost
    przedsiębiorstwa kolejowe
    zarządzanie kosztami
    pośrednie koszty transportu
    Opis:
    This research outlines a research study wherein an implementation of the activity-based costing (ABC) approach for cost management in a railway transport enterprise is addressed. ABC is an efficient technique for enhancing the quality of provided services and process complexity of certain railway companies, executing its activities at a regional or international scale. It is one of the new costing approaches that eliminate the inaccuracies and deficiencies of the traditional costing system. Compared to other costing techniques, considerable change lies especially in the way of assigning indirect cost units to activities based on actual causations, and subsequently, assigning activities to the very cost items by the intensity of their consumption. Furthermore, this approach allows decision-makers to identify specific cost item in terms of determining ways of how they can be managed. The main objective of this work is to elaborate a particular study with a draft application of the ABC method encompassing a description of procedure steps, along with relevant quantifications, as well as summarising the results obtained.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2021, 111; 151--160
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Declarations regarding the energy consumption and emissions of the greenhouse gases in the road freight transport sector
    Autorzy:
    Lizbetin, Jan
    Stopka, Ondrej
    Kurenkov, Petr V.
    Powiązania:
    https://bibliotekanauki.pl/articles/262972.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    transport sector
    road freight transport
    declarations
    consumption of the energy
    emissions
    Opis:
    This manuscript is focused on the matter concerning the emissions of the greenhouse gases produced by the road freight transport mode. Those emissions influence the ozone layer structure and help to create the greenhouse impact causing the global warming, i.e. issues particularly related to the weather change aspects as well as extreme weather occurrences. In the first part of the paper, the calculation approaches, energy consumption examination as well as evaluation of emissions of the greenhouse gases created by the transport modes operation are performed by the EN 16258:2013 standard. The research chapter outlines the implementation of the approach technique to particular consignment on a specific transport section, while the sum of the energy consumption and greenhouse gases emissions production per pallet of goods weighing 1000 kg is specified. The resulting values form the fundamentals for declarations of energy consumption and greenhouse gas emissions. The proper and precise examinations of energy consumption and emissions production can help to identify the share of external costs for specific transport modes quite accurately. This ensures that such costs are fairly carried by the individual producers thereof.
    Źródło:
    Archiwum Motoryzacji; 2019, 83, 1; 59-72
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibilities of using unmanned aerial vehicles for biological protection of airports in Europe
    Autorzy:
    Kampf, Rudolf
    Hanzl, Jiří
    Stopka, Ondrej
    Rybicka, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/197361.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    unmanned aerial vehicles
    UAV operation regulation
    civil aviation authority
    unmanned aircraft system
    bezzałogowe pojazdy latające
    rozporządzenie operacyjne UAV
    Urząd Lotnictwa Cywilnego
    system bezzałogowych statków powietrznych
    Opis:
    This paper offers a comparison of selected European countries´ approaches to the civil and commercial use of Unmanned Aerial Vehicles (UAV) with the approach and rules set by the Civil Aviation Authority (CAA) in the Czech Republic. The authors specially focused on the differences in the approaches of individual authorities, which regulate the use of unmanned vehicles in the countries concerned in order to emphasise the inconsistency of rules within the European Economic Area. In the other part of the paper, the authors outline the possibilities of using unmanned aerial vehicles (drones), particularly dealing with increasing safety in air transport as a complement to biological protection of airports, and propose their original idea of the system.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2019, 104; 47-56
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of driving schools training on fatal traffic accidents in the Slovak Republic
    Autorzy:
    Hudec, Juraj
    Šarkan, Branislav
    Caban, Jacek
    Stopka, Ondrej
    Powiązania:
    https://bibliotekanauki.pl/articles/2116407.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    road transport
    road safety
    accident rates
    driver
    experience
    transport drogowy
    bezpieczeństwo drogowe
    wskaźnik wypadków
    kierowca
    doświadczenie
    Opis:
    This paper deals with fatal traffic accidents in the period 2017-2019, caused by drivers who have held driving licenses for less than five years. Specifically, it examines an interconnection between these accidents and the driving schools being completed by these drivers. Furthermore, it analyses whether the perpetrators of traffic accidents with short driving experience are graduates of the same driving schools, and thus, whether the occurrence of serious traffic accidents is directly related to the quality of training in specific driving schools.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2021, 110; 45--57
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effective Solutions to the Transport Distribution of Material by the Mayer Method
    Autorzy:
    Čejka, Jiří
    Stopka, Ondrej
    Powiązania:
    https://bibliotekanauki.pl/articles/102289.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    transport
    operational research
    linear programming
    vehicle routing problem
    Mayer method
    badania operacyjne
    programowanie liniowe
    problem z routingiem pojazdu
    metoda Mayera
    Opis:
    This paper deals with streamlining the collection (pick-up) and distribution (delivery) activities within the technology of wood industry. Through the optimization process implemented using the issue of the distribution task of linear programming, specifically the Mayer method, the particular solution in order to minimize the total costs in practice of utilized distribution routes is proposed. The first part of the paper presents the characteristics of the vehicle routing problem and describes methods of solving this issue. Subsequently, the main part of the paper outlines a particular case study in the context of the Mayer method application within the field of transport-technology solution of the material distribution.
    Źródło:
    Advances in Science and Technology. Research Journal; 2018, 12, 4; 177-183
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in transport behaviour of the Czech population caused by state of emergency
    Autorzy:
    Bartuska, Ladislav
    Stopka, Ondrej
    Hanzl, Jiri
    Sedivy, Josef
    Rybicka, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/2098101.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    transport behaviour change
    transport modal-split
    urban mobility
    sustainable transport
    zmiana zachowań transportowych
    podział modalny transportu
    mobilność miejska
    transport zrównoważony
    Opis:
    This article presents the results of an extensive questionnaire survey focused on changes in the transport behaviour of the population of the Czech Republic immediately after the government’s announcement about the measures implemented to prevent the spread of COVID-19. The questionnaire aimed to determine the changes in the use of the mode of transport for regular travel to work, school, or for shopping, as well as to determine the changes in the frequency of these travels according to monitored socio-demographic groups of inhabitants and specified size groups of settlements. This article contains a statistical evaluation of these changes in the transport behaviour of the population using sophisticated statistical tools. A method is proposed for estimating the number of passengers in public transport using a linear regression model based on the data from conducted transport behaviour survey. In this paper, the Data envelopment analysis (hereinafter referred to as DEA method) within the case study in the South Bohemian Region is also used to determine whether the COVID-19 measures have reduced the efficiency of public transport.
    Źródło:
    Transport Problems; 2021, 16, 1; 101--114
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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