Determination of the Model Basis for Assessing the Vehicle Energy Efficiency in Urban Traffic

Miroslaw Śmieszek, Nataliia Kostian, Vasyl Mateichyk, Jakub Mościszewski and Liudmyla Tarandushka
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Miroslaw Śmieszek: Department of Technical Systems Engineering, Rzeszow University of Technology, al. Powstancow Warszawy 10, 35-959 Rzeszow, Poland
Nataliia Kostian: Department of Automobiles and Technologies for their Operating, Cherkasy State Technological University, 333 Shevchenko, 18006 Cherkasy, Ukraine
Vasyl Mateichyk: Department of Technical Systems Engineering, Rzeszow University of Technology, al. Powstancow Warszawy 10, 35-959 Rzeszow, Poland
Jakub Mościszewski: Department of Technical Systems Engineering, Rzeszow University of Technology, al. Powstancow Warszawy 10, 35-959 Rzeszow, Poland
Liudmyla Tarandushka: Department of Automobiles and Technologies for their Operating, Cherkasy State Technological University, 333 Shevchenko, 18006 Cherkasy, Ukraine

Energies, 2021, vol. 14, issue 24, 1-18

Abstract: The paper studies the problem of assessing the vehicle energy efficiency on the streets of urban road network. As a result of morphological analysis of the system “Vehicle—Traffic flow—Road—Traffic Environment” 18 significant morphological attributes of its functional elements, that affect the energy efficiency of vehicles, were identified. Each attribute is characterized by 3–6 implementation variants, which are evaluated by the relevant quantitative or qualitative parameters. The energy efficiency of vehicles is determined by the criteria of their energy consumption considering the vehicle category, type of energy unit, mode of vehicle movement and adjustment factors—road, climatic and others. The input parameters values of the system in the process of traffic flow on the linear fragments of streets and road networks of the cities of Ukraine and Poland were measured. The set of independent system parameters is determined by applying the Farrar-Glober method based on statistical estimates. The specified set is the basis of the studied system and is formed of 10 independent input parameters. The presence in the basis of parameters that correspond to the morphological features of all four functional elements, confirmed the importance of these elements of the system. The mathematical dependence of the impact of vehicle characteristics, traffic flow, road and environment on vehicle energy efficiency is built. The standard deviation of the model values from the tabular ones equals σ ´ = 0.0091 . Relative standard deviation equals S ´ r = 1.5 % . The results of the study could be used in the development of new and optimization of existing intelligent traffic control systems of urban transport.

Keywords: energy efficiency; urban traffic; traffic flow; level of vehicle energy efficiency; morphological matrix; multiple linear regression (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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