DSpace at VGTU: Recent submissions
Now showing items 181-200 of 51611
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Six Sigma and dynamic models application as an important quality management tool in railway companies
(Procedia Engineering, 2017)The most effective way of achieving superior business performance is related to the understanding of the process and subsequent improvement. This article focuses on the various management tools of quality those interconnection ... -
Examination of vertical dynamics of passenger car with wheel flat considering suspension parameters
(Procedia Engineering, 2017)This paper describes the analysis of the vertical dynamics of the passenger car motion considering the vertical forces of wheel/rail interaction. The aim of this study is the assessment of the smoothness of passenger car ... -
Fuzzy logic analysis of parameters of dimples of ductile tearing on the digital image of fracture surface
(Procedia Engineering, 2017)An automated method for analyzing shapes and sizes of dimples resulting from fracture of titanium alloy VT 23, which can be used in technical diagnostics systems, is proposed. The developed approaches to the analysis of ... -
Energy efficiency improvement adding various amounts of CNG in the naturally aspirated compression ignition engine
(Procedia Engineering, 2017)The work is devoted to improve energy efficiency and environmental indicators of compression-ignition indirect injection (IDI) engines of transport means and small scale energy sectors, by decreasing dependence on conventional ... -
High-Speed Rail (HSR) users and travel characteristics in Turkey
(Procedia Engineering, 2017)To change the current road dominancy in the intercity passenger transportation, Turkey has been establishing High-Speed Rail (HSR) services as a competitive mode since 2009. A user survey was conducted at four stations of ... -
The influence of human factor on congestion formation on urban roads
(Procedia Engineering, 2017)Road urban transport and traffic engineering in general are long-term discussed topics. Traffic problems are solved from many aspects, such as transport infrastructure, transport organization, high share of car traffic, a ... -
Investigation of traffic light switching period affect for traffic flow dynamic processes using discrete model of traffic flow
(Procedia Engineering, 2017)The properly adjust traffic lights have a significant impact on traffic flow dynamics. At the same time the traffic flows have a significant impact on the environment and especially significant is the noise. This article ... -
Compensation of reactive power of AC catenary system
(Procedia Engineering, 2017)The article analyses the theoretic and practical solutions of appearance of reactive power and compensation of it in the 25 kV, 50 Hz supply system of a contact network. The article proposes the theoretic (by using formulas, ... -
Analysis of application management theories and methods for developing railway transport
(Procedia Engineering, 2017)It is important to take into account the application of management theories and models for development of rail transport. During the examination of the management science, it is necessary to take into account various ... -
A general model for railway systems risk assessment with the use of railway accident scenarios analysis
(Procedia Engineering, 2017)The paper shows the developing process of the railway system risk assessment models and the indication of their applicability to the Slovakian railways. The risk assessment models are based on the accident scenarios. Various ... -
Model of the delivery routes forming process as a service provided by forwarding companies
(Procedia Engineering, 2017)In this paper, we propose an approach to model the processes freight forwarding servicing under stochastic demand through forming rational delivery routes. This study aims to develop a mathematical model of forwarding ... -
Work standards in selected third party logistics operations: MTM-logistics case study
(Procedia Engineering, 2017)Good relations between company, suppliers and logistics provider must be based on a win-win strategy, so quality (and price) of services is essential factor in establishing long-term relationships. In this paper we offer ... -
A new approach to identification of critical elements in railway infrastructure
(Procedia Engineering, 2017)The paper contains a presentation of new approaches to solving the problem of identifying critical infrastructure elements in the railway sub-sector. The research objective was to analyze the procedures which are used to ... -
Road traffic as a factor of regional development: case of Saint Petersburg region, Russian federation
(Procedia Engineering, 2017)The primary aim of the paper is to evaluate the influence of road transportation on the basic regional indicators. Using official statistics, the authoritative theoretical and methodological proven methods we discovered ... -
Modelling of snow cover thickness influence on the railway construction temperature regime under variable weather conditions
(Procedia Engineering, 2017)This article presents results of the modelling of temperature regimes of railway construction layers in application of the SV HEAT software. In one case, ambient air temperature affects the railway construction in presence ... -
About the need of a new look at safety as a goal and constraint in air traffic management
(Procedia Engineering, 2017)In the traditional approach to Air Traffic Management, safety is treated as a main goal. Current safety management systems are constructed according to this approach. However, with the development of technical support ... -
The impact of human resource management on the competitiveness of transport companies
(Procedia Engineering, 2017)The article analyzes the human resource management impact of competitiveness of transport companies. According to the scientific literature article discusses human resource management, Competitive advantage and competitive ... -
Simulated computation of the acoustic energy transfer through the structure of porous media in application of passenger carriage body
(Procedia Engineering, 2017)The paper deals with the reconstruction of the rail-way passenger carriage floor for the improvement of the sound reduction index. Reconstruction was performed by using new acoustic material with a fibrous microstructure. ...