Railway applications - Electrical lighting for rolling stock in public transport systems

2019 ◽  
Author(s):  
Oleksandr Stamatin ◽  
Mariia Sukhonos

This article is devoted to the formation of theoretical foundations and methodological approaches of scientific coverage of economic and statistical problems of the functioning of urban passenger transport systems. The problematic is considered on the example of the city of Kharkiv. Public transport in Kharkiv is represented by almost the maximum number of types city trams, trolleybuses and metro, as well as private road carriers. The concept of consistency is based on the territorial principle and intermodality. The general indicator of the level of development of the territorial transport system is its balance. Unfortunately, the territorial transport systems of Ukraine are insufficient for the passage of existing traffic flows, and transport infrastructure facilities and rolling stock do not ensure the safe and comfortable movement of individual vehicles, public transport passengers, cyclists and pedestrians. Public transport does not provide all citizens with financially affordable and technically qualitative services and cannot be an alternative to individual cars. Traffic is not sufficiently regulated by existing traffic control means. Operated vehicles have a negative impact on the environment and create traffic jams. As follows from the study, this unsatisfactory state is due to the lack of independence and dependence of communal transport enterprises on subsidies from the city budget, unbalanced state policy in the field of tariff setting, insufficient rates of renewal of rolling stock and transport infrastructure, insufficient rates of introduction of non-cash payment for travel, imperfection of methods and ways to manage enterprises as a single intermodal system. Solving the described problems requires an integrated approach. First of all, this is the creation of a systemic management mechanism to create a balanced territorial transport system. This is what shows the relevance of the chosen topic and determined the choice of the direction of research in scientific and practical aspects. The research results will be used to improve the efficiency of the municipal transport.


Energies ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 6391
Author(s):  
Marcin Wołek ◽  
Aleksander Jagiełło ◽  
Michał Wolański

Electromobility is one of the leading trends transforming public transport worldwide. Supported by international organizations, such as the European Union, and national cofounding, public transport operators and local authorities are taking strategic decisions on the direction and scope of the electrification of rolling stock. Most of the electric buses that are being put into operation replace the previously used conventional buses, and consequently, most of the electric buses are operating on existing bus lines. By applying a strategic approach to selecting bus routes for electrification, the advantages of electric vehicles can be maximized. Based on a case study of the Polish city of Gdynia, this paper explores the usefulness of the multi-criteria analysis for selecting the bus lines for electrification. Multi-criteria analysis methods help decision makers to consider and weigh diverse criteria that include, among others, economic, social, technological and environmental aspects. To fulfil the above purpose, the paper compares different methods for evaluating electromobility options at an early stage. The primary research methods include multi-criteria analysis, literature review and case study analysis. An example of using multi-criteria analysis in the decision-making process of in-motion charging trolleybuses to replace diesel buses on particular lines is discussed and concluded. It is found that the multi-criteria analysis method could be used at an early but important stage of the operational level when particular lines to be replaced are being discussed. Moreover, the case is made that the local context should always be considered, including features of the existing public transport systems, and that cost–benefit analysis should be conducted for the selected optimum scenario.


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