Наука и Техника: Recent submissions

Now showing items 301-320 of 917

    • Comparing Fuel Consumption and Emission Levels of Hybrid Powertrain Configurations and a Conventional Powertrain in Varied Drive Cycles and Degree of Hybridization 

      Maddumage, W. U.; Abeyasighe, K. Y.; Perera, M. S. M.; Attalage, R. A.; Kelly, P. (БНТУ, 2020)
      Hybrid electric powertrains in automotive applications aim to improve emissions and fuel economy with respect to conventional internal combustion engine vehicles. Variety of design scenarios need to be addressed in designing a hybrid electric vehicle to achieve desired design objectives such as fuel consumption and exhaust gas emissions. The work in this paper presents an analysis ...
      2020-02-04

    • Battery Ageing as Part of the System Design of Battery Electric Urban Bus Fleets 

      Ufert, M.; Baker, B. (БНТУ, 2020)
      The lifetime of traction battery systems is an essential feature of the economy of battery electric urban bus fleets. This paper presents a model for the analysis and prediction of the lifetime of urban electric bus batteries. The parameterization of the model is based on laboratory measurements. The empirical ageing model is an integral part of a three-stage battery model, which ...
      2020-02-04

    • Optimized Data Exchange Process between Design and Production Engineering 

      Kreis, A.; Hirz, M. (БНТУ, 2020)
      Growing vehicle variant diversity, legal requirements to reduce fleet CO2 emissions and innovations in the area of drive train technologies, coupled with the increasing pressure to cut costs, pose new challenges for parties in the automotive sector. An implementation of optimized development and production processes supports the effective handling of these challenges. One important ...
      2020-02-04

    • Imitating a Safe Human Driver Behaviour in Roundabouts Through Deep Learning 

      Cervera, A. S. J.; Alonso, F. J.; Garcia, F. S.; Alvarez, A. D. (БНТУ, 2020)
      Roundabouts provide safe and fast circulation as well as many environmental advantages, but drivers adopting unsafe behaviours while circulating through them may cause safety issues, provoking accidents. In this paper we propose a way of training an autonomous vehicle in order to behave in a human and safe way when entering a roundabout. By placing a number of cameras in our ...
      2020-02-04

    • How to Make the Charging Simple, Convenient and Efficient 

      Cheng, W.; Wang, Y. (БНТУ, 2020)
      With the large-scale application of electric vehicles (EV) in the world and also in China, the contradiction between the EV and charging stations has become more and more prominent. People always cannot easily find the charging stations or when they find them finally found they do not work. To connect the vehicle, charging station/pile and end-users for making the charging simple, ...
      2020-02-04

    • Engineering of Light Electric Commercial Vehicle 

      Dorofeev, R.; Tumasov, A.; Sizov, A.; Kocherov, A.; Meshkov, A.; Porubov, D. (БНТУ, 2020)
      The paper describes the process and results of the development of the light commercial electric vehicle. In order to ensure maximum energy efficiency of the developed vehicle the key parameters of the original electric motor. The article also presents the results of power electronic thermal calculation. For the mathematical model of the vehicle, the driving cycle parameters of ...
      2020-02-04

    • Improving the Brake Control Effectiveness of Vehicles Equipped with a Pneumatic Brake Actuator 

      Bogomolov, V.; Klimenko, V.; Leontiev, D.; Ryzhyh, L.; Smyrnov, O.; Kholodov, M. (БНТУ, 2020)
      This paper proposes a way to determine a rational connection between a two-section or three-section brake valve and the main brake system circuits of a wheeled vehicle equipped with simplex or duo-duplex brake gears. The aim is to determine a rational option to connect main brake system circuits with a brake valve to guarantee the maximum effectiveness of an emergency brake system ...
      2020-02-04

    • Robust Design of Suspension System with Polynomial Chaos Expansion and Machine Learning 

      Gao, H.; Jezequel, L.; Cabrol, E.; Vitry, B. (БНТУ, 2020)
      During the early development of a new vehicle project, the uncertainty of parameters should be taken into consideration because the design may be perturbed due to real components’ complexity and manufacturing tolerances. Thus, the numerical validation of critical suspension specifications, such as durability and ride comfort should be carried out with random factors. In this ...
      2020-02-04

    • Validation of an Assistance System for Merging Maneuvers in Highways in Real Driving Conditions 

      Sanchez-Mateo, S.; Perez-Moreno, E.; Jimenez, F.; Serradilla, F.; Cruz Ruiz, A.; de la Fuente Tamayo, S. (БНТУ, 2019)
      In the latest study conducted by the National Highway Traffic Safety Administration in 2018, it was published that human error is still considered the major factor in traffic accidents, 94 %, compared with other causes such as vehicles, environment and unknown critical reasons. Some driving scenarios are especially complex, such as highways merging lanes, where the driver obtains ...
      2019-12-06

    • Signal Pre-Selection for Monitoring and Prediction of Vehicle Powertrain Component Aging 

      Udo Sass, A.; Esatbeyoglu, E.; Iwwerks, T. (БНТУ, 2019)
      Predictive maintenance has become important for avoiding unplanned downtime of modern vehicles. With increasing functionality the exchanged data between Electronic Control Units (ECU) grows simultaneously rapidly. A large number of in-vehicle signals are provided for monitoring an aging process. Various components of a vehicle age due to their usage. This component aging is only ...
      2019-12-06

    • Increasing the Quality of Transient Processes in the Vehicle Transmission 

      Taratorkin, A.; Derzhanskii, V.; Taratorkin, I. (БНТУ, 2019)
      The paper shows results of an experimental and theoretical study of dynamic processes in the vehicle transmission after kinematic alignment of elements during gearshifts. The purpose of the research is increasing the quality of transient processes in the vehicle transmission. Applying an analysis of experimental results obtained through looking into dynamics of a 3-ton vehicle ...
      2019-12-06

    • The Analysis of Available Data on Energy Efficiency of Electric Vehicles to be Used for Eco-Driving Project Development 

      Maljkovic, M.; Stamenkovic, D.; Blagojevic, I.; Popovic, V. (БНТУ, 2019)
      The goal of this paper is to analyse the collected data on energy efficiency of electric vehicles from researches done by other authors and also to summarise all the factors affecting it. The majority of data available are obtained through simulations – therefore the emphasis in this paper will be placed on experimentally acquired data. The results of the analysis will be used ...
      2019-12-06

    • A Two-Echelon Green Supply Chain for Urban Delivery 

      Rossolov, A.; Lobashov, O.; Kopytkov, D.; Botsman, A.; Lyfenko, S. (БНТУ, 2019)
      In recent years the urbanization to affect many countries of the world has made the significant changes to the material flow at all levels of the supply chain. The last mile logistics operating in the urban area has also changed notably. An increase in the volume of material flow within cities has led to a growth in the number of deliveries and the freight turnover, accordingly. ...
      2019-12-06

    • Analysis of Trams’ Consumption Depending on the Type of Traffic Light Used 

      Czerepicki, A.; Gorka, A.; Szustek, J. (БНТУ, 2019)
      In the XXI century, when environmental awareness is growing and the impact of human activity on the planet is more and more noticeable, striving to minimize energy consumption seems to be a necessary direction in the development of technology. This development cannot take place without an initial understanding and describing the relationships influencing specific technologies. ...
      2019-12-06

    • Analysis of the State of the Road Traffic Safety in the Republic of Kazakhstan 

      Ibrayev, K.; Ibrayev, А.; Kapskiy, D.; Kot, Y.; Rybinskiy, А.; Bogdanovich, S. (БНТУ, 2019)
      The article presents the results of the study of the road traffic safety on the automobile roads of the Republic of Kazakhstan. We performed the analysis of the main indicators, specifying the state of the road traffic safety on the automobile roads of the republican significance of the Republic of Kazakhstan. In many regulatory acts, such as “The Priority Action Plan for Improving ...
      2019-12-06

    • Skills and Training Requirements for the Future Transportation Sector of Europe 

      Bekiaris, E.; Loukea, M. (БНТУ, 2019)
      More than 10 million people are directly employed by the transport industry in Europe, accounting for 4.5 % of total employment and representing 4.6 % of Gross Domestic Product (GDP). This fact, combined with the rapid developments and changes of the sector, makes imperative the need to create, attract and retain appropriate staff. As the overall trend is to increase automation, ...
      2019-12-06

    • Contactless Automated Express Evaluation of Damages to a Car Body by Visual Parameters 

      Tarasovа, M.; Filkin, N.; Yurtikov, R. (БНТУ, 2019)
      Explosive development of computer technologies and their availability made it possible to extensively focus nowadays on emerging state-of-the-art technologies, digitalization, artificial intelligence, and automated systems, including in the field of road safety. It would be reasonable to implement some technical devices in this respect to remove human factor and automate some ...
      2019-12-06

    • Electric Propulsion Systems Design Supported by Multi-Objective Optimization Strategies 

      Hirz, M.; Hofstetter, M.; Lechleitner, D. (БНТУ, 2019)
      Electric drive systems consisting of battery, inverter, electric motor and gearbox are applied in hybrid- or purely electric vehicles. The layout process of such propulsion systems is performed on system level under consideration of various component properties and their interfering characteristics. In addition, different boundary conditions are taken under account, e. g. ...
      2019-12-06

    • Design Features when Using an Effective Microturbine as a Range Extending Engine 

      Nadareishvili, G.; Kostyukov, A.; Karpukhin, K. (БНТУ, 2019)
      The rapid development of electric vehicles stimulates the development of structures related to their operation. Including the use of the range extending engine for electric vehicles. The use of gas turbine engines for vehicles has always been of interest. The microturbine in the range extending engine is relevant today. However, the possibility of using a microturbine as part of ...
      2019-12-06

    • Оптимизация процесса очистки сточных вод постов мойки автотракторной техники по энергетическим затратам 

      Крутов, А. В.; Дечко, М. М.; Бойко, М. А. (БНТУ, 2019)
      Рассмотрен процесс очистки нефтесодержащих стоков с применением электрокоагуляции, электрофлотации и электромагнитного гидроциклона, реализованный на лабораторной установке (патент Республики Беларусь на изобретение № 21229). Исследования проводились с целью оптимизации удельных энергозатрат процесса очистки стоков от топливно-смазочных веществ. Методами исследования являлись ...
      2019-10-23