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Journal articles on the topic 'Freight locomotive'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Lee, Kangmi, and Taewon Park. "Feasibility Test and Analysis for Heavy Haul Freight Using WDPS Based on MIMO-OFDM." Applied Sciences 10, no. 12 (2020): 4074. http://dx.doi.org/10.3390/app10124074.

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The technical feasibility of a heavy haul freight using WDPS (Wireless Distributed Power System) was verified for the first time in Korea. That consisted of a master locomotive, 50 freights and a slave locomotive. The master and slave locomotives were equipped with WDPS to distribute traction and braking control command data. MIMO-OFDM, which is strong in multi-path, was applied to the WDPS, and a repeater was installed on the 25th freight to secure coverage even with signal attenuation according to the terrain (curve, gradient) of the driving section. The test was carried out at an average sp

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2

Masharipov, Masud, Abdulaziz Gulamov, Marufdjan Rasulov, Shinpolat Suyunbayev, Nazdana Adilova, and Mukhammadaziz Rasulmukhammedov. "Development of enhanced method for planning train locomotives ready to operate the next day." E3S Web of Conferences 458 (2023): 03009. http://dx.doi.org/10.1051/e3sconf/202345803009.

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A series of methods for planning the use of train locomotives has been developed. However, existing scientific research does not clearly specify how the arrival and departure times of freight trains are determined in train schedules, and locomotives are assigned to trains based on the condition of “Locomotive waits for train”. This article proposes a methodology for determining the average time of stay for train locomotives and trains at the boundaries of train sidings for all scenarios ranging from the condition of “Train waits for locomotive” to “Locomotive waits for train”. The EGM program

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3

Hecht, Markus, Thilo Hanisch, Anastasia Ullrich, et al. "Effects of Locomotive Noise Reduction to Freight Train Noise in Switzerland and Europe." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 8 (2023): 586–92. http://dx.doi.org/10.3397/in_2023_0097.

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As freight trains are very frequently operated at night there is still big concern about freight train noise in Europe. Freight wagons in Switzerland and Germany are now all equipped with composite brake blocks instead of cast iron brake blocks which results in significant noise reductions. Using data from the Swiss noise monitoring stations the contribution of different locomotives to the overall train noise was evaluated. For locomotive types without cast iron brake blocks the year of construction is not related to the noise behavior. Newer types are not in general less noisy than old ones.

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4

Marinin, S. A. "Comparison of the energy efficiency of ac electric freight locomotives with collector and asynchronous traction drive." Herald of the Ural State University of Railway Transport, no. 1 (2022): 57–64. http://dx.doi.org/10.20291/2079-0392-2022-1-57-64.

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Electric locomotives with asynchronous traction drive are operated on the Russian road network in passenger and freight traffic. The advantage of such a drive is a large specific power. At first glance, electricity consumption of an electric locomotive with asynchronous traction drive should be less than that of an electric locomotive with a collector traction drive. The same is declared by manufacturers of traction rolling stock [1, 2]. But the answer to the question which electric locomotive is more economical in freight traffic: with a collector or asynchronous traction drive? - is far from

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5

Kozachenko, Dmytro, Mykola Berezovyi, Vyacheslav Malashkin, Tetiana Bolvanovska, and Yurii Grimak. "Improvement of the analysis methods of the working hours` distribution of locomotive crews by the types of train operation in freight traffic." MATEC Web of Conferences 294 (2019): 04011. http://dx.doi.org/10.1051/matecconf/201929404011.

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The work is aimed to increase the efficiency of cargo transportation by railway transport by improving the work organization of locomotive crews. The research is based on the methods of organization of operational work of railways and the methods of mathematical statistics. The problem of increasing the use efficiency of working hours of locomotive crews in freight traffic is considered in the article. Based on the statistical data processing of drivers’ routes, the working hours` distribution of locomotive crews for different types of train operation in freight traffic for four locomotive dep

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Shilin, N. D., and S. N. Prokof'ev. "Redistribution of tractive force per axle for electric locomotives with asynchronous traction motors." Russian Railway Science 81, no. 2 (2022): 148–56. http://dx.doi.org/10.21780/2223-9731-2022-81-2-148-156.

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Introduction. Improving the traction and adhesion properties of freight electric locomotives is currently an urgent issue for the domestic locomotive industry. The increase in the mass and speed of trains enables to seek new ways and possibilities for realising the maximum tractive force of freight locomotives in order to meet the requirements of the rapidly developing transportation methods.Materials and methods. The authors carries out the analysis of existing theoretical and practical methods of adhesion control and developed the algorithm for controlling the wheelsets adhesion of a locomot

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7

Riabov, I., L. Overianova, D. Iakunin, I. Bilokon, and S. Goolak. "APPLICATION OF MANEUVERING ELECTRIC LOCOMOTIVES FOR TRANSFER AND FREIGHT WORK." Collection of scientific works of the State University of Infrastructure and Technologies series "Transport Systems and Technologies" 1, no. 40 (2022): 47–62. http://dx.doi.org/10.32703/2617-9040-2022-40-5.

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The paper reviews shunting electric locomotives, the use of which is becoming widespread due to lower costs of fuel and energy resources and a reduction in the impact on the environment. Mathematical models of the movement of a train with a shunting electric locomotive have been developed. A four-axle electric locomotive with a power of 750 kW is proposed for research. A mathematical model of the movement of a train with a ChME3 diesel locomotive has been developed. To compare the costs of fuel and energy resources for freight and transfer operations, simulations of train movement were carried

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8

Vakulenko, Sergey P., Aleksey V. Kolin, Airat M. Nasybullin, and Liliya R. Aysina. "ABOUT OF THE ASSIGNING APPEARANCES TO LOCOMOTIVE CREWS." International Journal of Advanced Studies 14, no. 3 (2024): 23–42. http://dx.doi.org/10.12731/2227-930x-2024-14-3-302.

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There is a shortage of workers involved in train and shunting work, especially in freight transportation in the railway industry. Occupational diseases, Unsatisfactory working and rest regime in some depots are the reasons for leaving the profession of "train driver" and "assistant of train driver". Purpose. The paper discusses the potential optimization of the current system for assigning turnouts to freight train crews. This optimization could improve the planning of labor resource availability with a longer-term perspective. It is necessary to study the existing functionality of the softwar

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9

Riabov, Ye S., B. Kh Yeritsian, I. M. Kolodii, S. V. Ivanov, O. A. Sych, and A. V. Halych. "Increasing the Fuel Efficiency of a Mainline Diesel Locomotive with Separate Section Loading." Science and Transport Progress, no. 2(106) (June 20, 2024): 64–79. http://dx.doi.org/10.15802/stp2024/306145.

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Purpose. The paper aims to investigate the increase of fuel efficiency of a mainline freight locomotive in the case of separate loading of diesel generators of its individual sections. Methodology. The study was carried out for the non-electrified section between Kharkiv-Sorting and Sumy stations during the movement of a freight train with 45 loaded and empty freight cars in both directions. The movement of a train with a freight mainline two-section diesel locomotive 2TE116 was taken. To determine the parameters of the movement, a mathematical model was developed, which was used to solve a se

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10

Ablyalimov, Oleg, Artem Osipov, and Dmitriy Kurilkin. "Substantiation of logistical indicators of diesel traction loco-motives use in the high-speed railroad section." E3S Web of Conferences 460 (2023): 06033. http://dx.doi.org/10.1051/e3sconf/202346006033.

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The paper presents the results of research on the justification of parameters of transport operation of three-section main (train) UzTE16M3 freight diesel locomotives on the high-speed railway section Marokand- Kattakurgan of JSC “Uzbekistan Temir Yullari” when moving freight trains without stops and with stops at intermediate stations, passing points, and separate points. The specified results were obtained by methods of locomotive traction theory in the form of tabular data, graphical dependences, and regression equations for determining logistical kinematic parameters of freight train traff

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11

Saadat, M., M. Esfahanian, and MH Saket. "Reducing fuel consumption of diesel-electric locomotives using hybrid powertrain and fuzzy look-ahead control." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 231, no. 4 (2016): 406–18. http://dx.doi.org/10.1177/0954409716631010.

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Diesel-electric locomotives consume a significant amount of fuel in rail transportation systems. The power transmission system of these locomotives is similar to that of hybrid electric vehicles, so the available diesel-electric locomotives can be promoted to series hybrid locomotives by adding an energy storage source. In this study, the GM SD40-2 locomotive is considered as a case study and the series hybrid structure for this locomotive is designed and simulated by adding a lithium-ion battery pack. Additionally, control strategy plays an important role in reducing the amount of fuel consum

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12

Silyuta, A. G., and E. E. Kossov. "Modeling the train operation of the mainline locomotive." Vestnik of the Railway Research Institute 77, no. 4 (2018): 218–21. http://dx.doi.org/10.21780/2223-9731-2018-77-4-218-221.

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To date, there is a large number of programs that simulate the train operation of the locomotive using the method of traction calculations. As input data in the program, information is entered about the track section, locomotive and train composition. The drawback of modeling the train motion using the traction calculation method is the obtaining of a local unimportant result for a particular section of the track. The article proposes a new approach to modeling the operation of freight mainline locomotive. The train operation of the mainline locomotive is represented by a limited number of gen

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13

Huang, Shize, Fan Zhang, Qiyi Guo, and Decun Dong. "Synchronous control system based on wireless data transmission for 50,000-t heavy-haul trains." Advances in Mechanical Engineering 10, no. 7 (2018): 168781401878482. http://dx.doi.org/10.1177/1687814018784827.

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In order to meet the ever-increasing freight capacity demand, operation of heavy-haul freight trains with a 50,000 t capacity has been widely studied for a decade in China. A typical heavy-haul train with a large capacity employs multiple locomotives that are evenly distributed along the train, and each locomotive, or two or more locomotives, hauls a certain amount of freight cars. The synchronicity among locomotives is of great importance to safety. A 50,000-t train developed in China will be pulled by 10 locomotives, and the uneven distribution of traction or brake force, caused by the async

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14

Chýle, Martin, and Michal Drábek. "Ecological solutions for freight trains." Acta Polytechnica CTU Proceedings 43 (November 22, 2023): 45–50. http://dx.doi.org/10.14311/app.2023.43.0045.

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The article presents the potential of freight railway transport in terms of saving of emissions and maximizing the efficiency of operation. Attention is paid to the transport of freight trains on electrified lines with higher gradients (up to 25‰), alternatively with the possibility of a trip to non-electrified lines and sidings, which generate significant extra costs in the operation of trains and are often a reason for the carrier to deploy a locomotive of independent traction (diesel-electric) even in electrified line sections, even at the cost of increased operating costs and increased emi

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15

Zhang, Yu Feng, Xian Zheng Gong, Zhi Hong Wang, and Yu Liu. "Environment Impact of Freight Transportation in China." Materials Science Forum 787 (April 2014): 144–51. http://dx.doi.org/10.4028/www.scientific.net/msf.787.144.

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Transportation is an important part of industrial production systems, with serious energy consumption and environmental pollution. In this study, environment impact of road transportation, river freight in the Yangtze River, and railway transportation was established and analyzed by life cycle assessment method. The analysis results show that CO2 is the largest emission of pollutants for freight transport in China. abiotic depletion potential (ADP) of electric locomotives significantly lower than the other five kinds of shipping methods, only 3.2% of diesel locomotive, 3.9% of the Yangtze barg

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16

Widyanto, Susilo Adi, Agus Suprihanto, and Irfan Ghazy Narawangsa. "Evaluation the Aerodynamic Drag Force of CC201 and CC203 Locomotives by CFD Simulation." International Research Journal of Innovations in Engineering and Technology 08, no. 05 (2024): 130–34. http://dx.doi.org/10.47001/irjiet/2024.805020.

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Trains are a very important mode of transportation for freight and passengers in Indonesia. This encourages PT KAI, which is a train operator in Indonesia, to improve its performance. Currently PT KAI uses several types of locomotives. CC201 locomotives made in 1977-1978 and CC203 made in 1995 are locomotives that are still widely operated. Fuel consumption is one of the components of train operating costs, the percentage of which reaches more than 30%. Railroad fuel consumption is strongly influenced by various factors, one of which is the aerodynamic performance of the locomotive. This study

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17

Kachkovskyi, Oleksandr. "ASSESSMENT OF THE FEASIBILITY OF MODERNIZING THE LOCOMOTIVE FLEET OF JSC «UKRZALIZNYTSIA» BASED ON THE CALCULATION OF ECONOMIC EFFICIENCY INDICATORS." Collection of scientific research papers State University of Infrastructure and Technologies Section “Economics and Management”, no. 56 (December 26, 2024): 16–27. https://doi.org/10.32703/2664-2964-2024-56-16-27.

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The relevance of the topic is due to the need to update the locomotive fleet of JSC «Ukrzaliznytsia»due to the high level of physical and moral wear and tear of rolling stock, which negatively affects the efficiency of railway transport in the conditions of a mobilization economy.The full-scale aggression of rusia has caused significant damage to Ukraine's economy, particularly through the destruction of industrial enterprises, the shutdown of small, medium, and large businesses, and substantial damage to transportation infrastructure. In wartime conditions, railway transport, as a strategical

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18

Sehgal, Deepak. "Review Paper on Locomotives in Trains." International Journal for Research in Applied Science and Engineering Technology 9, no. 10 (2021): 207–9. http://dx.doi.org/10.22214/ijraset.2021.38212.

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Abstract: This document gives information about the locomotives used in the train on how to working itself by motion transfer from one to another. In this, era the steam locomotive has been transformed in appearance and characteristics. The diesel engine has been applied to passengers and freight trains. Many of the ideas concerning the application of electric locomotive are still valid today, but progress in transportation engineering has become so accelerated.

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Domanov, Kirill. "Innovative doubly-fed freight electric locomotive 2EV120 “Knyaz’ Vladimir”." MATEC Web of Conferences 239 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201823901001.

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The paper considers a new doubly-fed freight electric locomotive taking into account the world experience of locomotive construction, the regulatory base and operating conditions on the railways of Russia. Its parameters are presented: the main technical characteristics in comparison with currently used electric locomotives of new series, standard traction characteristics, and the characteristic of electric braking. Features of the design of the units and parts of the undercarriage and brake equipment are given. The studied doubly-fed freight electric locomotive is designed taking into account

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20

Sultanova, S. M., and N. U. Babakhanova. "Statistical model for determining the quality of cargo work JSC “Uzbekistan Railways”." E3S Web of Conferences 402 (2023): 06016. http://dx.doi.org/10.1051/e3sconf/202340206016.

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The object of the study is the joint-stock company “Uzbekistan railways”, engaged in the transportation of goods and passengers. The article uses statistical data that determine the quality of cargo work of “Uzbekistan railways” JSC as primary digital data. Based on the results of the study, a mathematical model of the dynamics of operational indicators is constructed. The article proposes and justifies statistical methods of data processing of the transportation process. The statistical model is based on the most significant indicators of operating expenses of cargo transportation of JSC “Uzb

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21

Sharapov, A. T. "Increase of the resource of a traction gear transmission of an electric freight locomotive changing geometric-kinematical parameters within an engagement." Herald of the Ural State University of Railway Transport, no. 1 (2024): 91–100. http://dx.doi.org/10.20291/2079-0392-2024-1-91-100.

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The increase of a traction rolling stock nodes resource is always a priority for domestic locomotive construction. In recent years, there is a very actual problem of the quality of the engagement of a traction gear transmission for electric freight DC locomotives 2ES6. Wear as extreme as uneven in height or thickness, formed as a result, eventually distorts the involute profile, increases the transmission side gap which leads to increased dynamic loads and results cracks formation, chips, and fractures on the teeth. To solve the problem, the impact of the geometrical parameters of gearwheels o

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22

Mustafin, Adel'. "Energetic Efficiency Rise of “Yermak” Family Freight Electric Locomotives by Modernization Approach During Plant Repairs." Bulletin of scientific research results, no. 2 (June 23, 2022): 75–91. http://dx.doi.org/10.20295/2223-9987-2022-2-75-91.

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Purpose: The present research purpose is the development of technical solutions on freight electric locomotives of “Yermak” family in the course of plant repairs aimed to energetic efficiency rise in a traction mode. Methods: To settle the stated task we applied methods of the following scientific disciplines: electric circuit theory, solid body dynamics, statistical processing of experimental data big arrays; thermal mode TED modeling; programming-apparatus modeling for research of TED work in regular and energy-effective modes (in program package SimInTech basis of domestic creation). Result

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Domanov, Kirill, Vasily Cheremisin, and Anatoly Borodin. "Traction capabilities of a dual-voltage electric locomotive 2EV120 on the West Siberian Railway." MATEC Web of Conferences 239 (2018): 01031. http://dx.doi.org/10.1051/matecconf/201823901031.

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The paper discusses the traction parameters of an electric locomotive of a new generation. The existing schemes of sections served by electric locomotives and locomotive crews at the studied railway operating domain are presented. A comparison of the main parameters of DC and single-phase AC electric locomotives, the operation of which is currently organized at sections with trains of estimated weight in the long-term traction mode on the ground slopes with different steepness, is made. The scheme of the proposed organization of operation of dual-voltage electric locomotive and locomotive crew

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Kozachenko, Dmytro, Bogdan Gera, Nazar Sannytskyy, Yuliia Hermaniuk, and Tetyana Shargun. "Estimation of Private Locomotives Usage Efficiency for Freight Transportation in Ukraine." MATEC Web of Conferences 294 (2019): 06001. http://dx.doi.org/10.1051/matecconf/201929406001.

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Ukraine has undertaken the implementation of European Union Directives, which provide non-discriminatory admission to the railway infrastructure of independent carriers. A significant number of factors considerably affect working conditions of the carriers which are independent of Ukrzaliznytsia. One of the goals while performing transportation by independent carriers is the organization of private locomotives operation and their service by engine crews. The purpose of the article is to assess technical and economic indices of private locomotives use for goods transportation. The schemes of in

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25

Bureika, Gintautas. "A MATHEMATICAL MODEL OF TRAIN CONTINUOUS MOTION UPHILL." TRANSPORT 23, no. 2 (2008): 135–37. http://dx.doi.org/10.3846/1648-4142.2008.23.135-137.

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The determination problem of adhesion coefficient of locomotives’ wheels with rails is described in this paper. The use of methods of mathematical statistics and theory of probability provides wider possibilities for determining the most acceptable (suitable) value of the adhesion coefficient. The random factors influencing on this value are analysed. The use of the adhesion coefficient values based on reliable research results could help maintain uninterrupted (continuous) traffic of heavy freight trains and increase not only the carrying capacity, but also the volume of the transported goods

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Ablyalimov, Oleg, Artem Osipov, and Dmitriy Kurilkin. "To the operation of diesel traction locomotives on the high-speed section of the railroad." E3S Web of Conferences 460 (2023): 06034. http://dx.doi.org/10.1051/e3sconf/202346006034.

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The paper presents the results of the justification of kinematic parameters of freight trains and diesel traction locomotives about the stopping process at the intermediate and end stations of the virtual hilly section of the high-speed railroad. There are received tabular data and graphical dependences of kinematic parameters of movement of the investigated freight trains and diesel traction locomotives about the organization of stops on the virtual hilly section of the high-speed railroad and also regression equations for determination of their numerical values which are recommended for intr

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Ablyalimov, Oleg, Artem Osipov, and Dmitriy Kurilkin. "To evaluate the efficiency of UzTE16M3 locomotives on the high-speed railroad section." E3S Web of Conferences 460 (2023): 06035. http://dx.doi.org/10.1051/e3sconf/202346006035.

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The present research paper provides the outcomes of calculating the kinematic parameters of freight train movement using the graphical method on a virtual hilly section of a high-speed railroad when moving without stopping and with stops at the intermediate and end stations. Values of energy efficiency indicators for UzTE16M3 diesel locomotives in quantitative and monetary terms when driving a freight train of a unified train mass are obtained. The research results are presented in the form of tabular data and will be implemented by the specialists of the locomotive complex when justifying the

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Ablyalimov, Oleg. "Indicators of transport logistics of locomotives of diesel traction on Kattakurgan-Navoi section in operation." E3S Web of Conferences 401 (2023): 05022. http://dx.doi.org/10.1051/e3sconf/202340105022.

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The subject of these studies is the assessment of the fuel and energy efficiency of using locomotives of diesel traction in various conditions for organizing the operational activities of railways with the third type of track profile. The purpose of the study: to substantiate the logistic parameters of the main indicators of the transport logistics of freight trains and the transportation work of three-section main (train) freight diesel locomotives of the 3TE10M series on the real hilly-mountainous section of Kattakurgan - Navoi of the railway line of the Samarkand - Navoi - Bukhara of the Uz

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Ablyalimov, Oleg, and Anna Avdeyeva. "Operation of locomotives of diesel traction on hilly section of railway." E3S Web of Conferences 401 (2023): 01058. http://dx.doi.org/10.1051/e3sconf/202340101058.

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The results of substantiation of the kinematic parameters of the logistics of freight trains and locomotives of diesel traction are presented, taking into account the stopping process at the intermediate and terminal stations of a virtual hilly section of the railway. Tabular and graphic data of the logistic kinematic parameters of the movement of the studied freight trains and locomotives of diesel traction are obtained, taking into account the organization of stops on a virtual hilly section of a high-speed railway, as well as regression equations for determining their of numerical values, w

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Ablyalimov, O. "To evaluation of the efficiency of UzTE16M3 diesel locomotives on the high-speed section of the railway." E3S Web of Conferences 515 (2024): 01009. http://dx.doi.org/10.1051/e3sconf/202451501009.

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The results of the calculation of the kinematic parameters of the movement of a freight train by a graphical method on a virtual hilly section of a high-speed railway when moving without stops and with stops at an intermediate and final station are presented. The values of energy efficiency indicators of UzTE16M3 diesel locomotives were obtained in quantitative and monetary terms when driving a freight train of a unified mass of train. The research results are presented in the form of tabular data and will be implemented by specialists of the locomotive complex in substantiating the efficiency

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Ruban, М. "Development of Mainline Electric Locomotive Engineering in Ukraine (on the Example of Diversification of Production Activity of OJSC "Luhanskteplovoz")." Economic Herald of the Donbas, no. 4 (62) (2020): 103–9. http://dx.doi.org/10.12958/1817-3772-2020-4(62)-103-109.

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The article attempts to investigate the economic preconditions for the formation of the main electric locomotive industry in Ukraine on the example of diversification of production activities of the State Holding Company «Luhanskteplovoz». It is determined that in the late 1980`s, in the absence of convertible currency for the import of traction rolling stock, Luhanskteplovoz received an order from the USSR Ministry of Railways for the development and production of electric freight and passenger locomotives of its own design. However, after 1991, due to the strategy of the Ministry of Railways

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Qobulov, Jamshid, Jamshid Barotov, Elbek Shermatov, and Gaybullo Fayzullaev. "Improvement of service technology on railway branch roads." E3S Web of Conferences 402 (2023): 06008. http://dx.doi.org/10.1051/e3sconf/202340206008.

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The article highlights the issues of effective use of shunting locomotives by introducing shunting winches on branch lines of railway transport, as well as improving the technology of effective service for freight forwarders. For this, the article envisages achieving it by optimizing the sequence of execution of several technological processes. Including: the time it takes for one wagon to be occupied for entering and exiting the branch tracks, the number of wagons entering and exiting the branch tracks during the time interval in question, as well as revising the locomotive occupancy times de

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Майба, И. А., Д. В. Глазунов та И. И. Майба. "ИССЛЕДОВАНИЕ ВЛИЯНИЯ АКТИВАЦИИ ТРЕНИЯ НА ТЯГОВО-СЦЕПНЫЕ СВОЙСТВА КОЛЕС ЛОКОМОТИВОВ". Проблемы машиностроения и автоматизации, № 4-2024 (20 грудня 2024): 55–60. https://doi.org/10.52261/02346206_2024_4_55.

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В статье представлены результаты сравнительных тягово-энергетических эксплуатационных испытаний и подконтрольной эксплуатации на полигоне ОАО «РЖД» локомотива серии 3ЭС5К 2021 года выпуска, в комплектации с поосным регулированием силы тяги и моторно-осевыми подшипниками качения, оборудованным устройством активации трения локомотивов, с локомотивом серии 3ЭС5К с поосным регулированием, не оборудованным устройством активации трения локомотивов (оборудован штатной пескоподачей). Проведен анализ и обобщение полученных экспериментальных данных, сравнение тягово-сцепных свойств опытного электровоза,

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Volchek, T. V. "Influence of smooth and step-by-step regulation of excitation attenuation of traction electric motors of electric locomotives on the speed of movement of electric rolling stock." Herald of the Ural State University of Railway Transport, no. 2 (2021): 99–105. http://dx.doi.org/10.20291/2079-0392-2021-2-99-105.

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ter reaching the maximum voltage at the 4th control zone of the rectifier-inverter converter of an AC electric locomotive, a further increase in speed is achieved by connecting the field attenuation system (FA) of traction electric motors (TEM). All domestic electric locomotives use the FA TEM system of the inductively active type with step switching. However, it has drawbacks, one of them is that step switching causes speed losses and slows down the acceleration of electric rolling stock (ERS). By 2025, the goal is to increase the speed of freight trains, which will increase freight turnover

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Xu, Zi Qiang, Shi Hui Luo, Qing Wu, and Wei Hua Ma. "The Curving Behaviour of Heavy-Haul Locomotive Couplers." Applied Mechanics and Materials 197 (September 2012): 409–14. http://dx.doi.org/10.4028/www.scientific.net/amm.197.409.

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Two types of typical heavy-haul locomotive coupler models were presented, one is round-pin coupler with shoulder-limit, and another is flat-pin coupler with frictional tail pairs and stop-limit, both of them adapting nonlinear hysteresis buffer models. Utilizing a train model consists of 2 detailed locomotives and 1 simplified freight wagon, curving behaviour of different couplers were studied. The results show that, the actual curving behaviour of different couplers could be accurately simulated by the established coupler dynamics models. This paper will play a promoting role for analyzing ac

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Bureika, Gintautas. "MULTICRITERIA EVALUATION OF OPERATIONAL EFFECTIVENESS OF FREIGHT DIESEL LOCOMOTIVES ON LITHUANIAN RAILWAYS / LIETUVOS GELEŽINKELIŲ PREKINIŲ ŠILUMVEŽIŲ EKSPLOATAVIMO VEIKSMINGUMO DAUGIAKRITERINIS VERTINIMAS / МНОГОКРИТЕРИАЛЬНАЯ ОЦЕНКА ЭФФЕКТИВНОСТИ ЭКСПЛУАТАЦИИ ГРУЗОВЫХ ТЕПЛОВОЗОВ ЖЕЛЕЗНЫХ ДОРОГ ЛИТВЫ". TRANSPORT 26, № 1 (2011): 61–68. http://dx.doi.org/10.3846/16484142.2011.561947.

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The paper analyses and assesses the operating expenses of freight Diesel locomotives 2M62, 2M62K, 2M62M and ER20CF, suggesting the ways of their reduction. Given the damages of the old locomotive M62 and the structure of its operating expenses, some methods of Diesel locomotives’ upgrading are offered. Service life of new generation Diesel locomotives SIEMENS ER20CF and the locomotives 2M62K, 2M62M after the upgrade are determined. The taxes on air pollution by the exhaust gases of Diesel engines are calculated for the locomotives of each series. The effectiveness of operation of freight Diese

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Hoffrichter, Andreas, Joseph Silmon, Simon Iwnicki, Stuart Hillmansen, and Clive Roberts. "Rail freight in 2035 – traction energy analysis for high-performance freight trains." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 226, no. 6 (2012): 568–74. http://dx.doi.org/10.1177/0954409712441753.

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This paper provides a comparison of the energy consumption and carbon emissions of rail and road vehicles for two routes. The scenarios considered are a high running speed container train, in locomotive hauled and electrical multiple unit (EMU) configuration, and a converted passenger EMU for pallets, as well as the corresponding road heavy goods vehicles. The container route is over the UK’s East Coast Main Line and the pallet route is from London to the border with Scotland. The well-to-wheel 2008 and projected 2035 energy figures and carbon emissions are determined. It is demonstrated that,

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Zaytsev, A. A., and P. S. Troitskiy. "Freight Electric Multiple-Unit Trains as an Alternative to Locomotive Traction. Comparison and Analysis." World of Transport and Transportation 17, no. 3 (2019): 72–81. http://dx.doi.org/10.30932/1992-3252-2019-17-3-72-81.

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The advantages of introduction of modular freight electric trains in comparison with freight trains using locomotive traction are described, the main prerequisites for introduction of a distributed multiple-unit freight traction are indicated. The results of comparison of the technology of transportation with traction by locomotive situated at the head of the train and by the train with self-propelled coaches, as well as the analysis of traction calculations of two types of trains are suggested. The international experience of developing freight trains with distributed traction is described.Th

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Etwell, M. W. J. "British Rail Class 58 Diesel Electric Locomotive." Proceedings of the Institution of Mechanical Engineers, Part D: Transport Engineering 200, no. 2 (1986): 135–47. http://dx.doi.org/10.1243/pime_proc_1986_200_173_02.

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This paper outlines the basic development background of the Class 58 locomotive and main design features, with areas of design development resulting from the introduction into service in 1983–85 of the first build of thirty-five locomotives and detail changes in design being applied to the second batch of fifteen locomotives authorized in 1984. This locomotive design developed from a joint exercise between British Rail Engineering Limited (BREL) and the then Chief Mechanical and Electrical Engineer (CM and EE), British Railways Board (BRB) in 1977 which resulted in BREL fully participating in

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Krasheninin, Oleksandr, Olha Shapatina, Dmytro Matsegora, Olena Lagereva, and Maksim Vasiliev. "CHOICE OF OPTIONS OF LOCOMOTIVE CHARACTERISTICS TAKING INTO ACCOUNT OPTIMUM EFFICIENCY." Collection of Scientific Works of the Ukrainian State University of Railway Transport, no. 204 (June 21, 2023): 62–77. http://dx.doi.org/10.18664/1994-7852.204.2023.283990.

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The saturation of the locomotive park of railways with various series of locomotives does not always correspond to their effective use given their inherent special characteristics. Modern conditions require all participants in design, construction, operation and repair to make correct and well-founded decisions. The variety of series of locomotives, which provide different requirements of economic activity, is not always the basis of their effective operation. This especially applies to locomotives that are purchased abroad. As the experience of their operation has shown, they are not always a

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Savos’kin, A. N., and N. D. Shilin. "Analysis of wheel pairs slip control of electric freight locomotive with asynchronous traction motors." RUSSIAN RAILWAY SCIENCE JOURNAL 81, no. 3 (2022): 230–39. http://dx.doi.org/10.21780/2223-9731-2022-81-3-230-239.

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Introduction. Every year, the amount of electric rolling stock with asynchronous traction motors is continuously increasing on the Russian railway network, since such traction drives have a number of advantages over drives with DC motors. One of the problems associated with the introduction of asynchronous motors and an increase in the mass of trains is the implementation of the maximum traction force by an electric locomotive at the threshold in terms of wheel – rail adhesion. Timely recognition of excessive slip of wheel pairs is the most important indicator of the efficiency of the traction

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Bublik, Vladimir Vasilyevich, Oleg Vladimirovich Gatelyuk, Nikolay Vasilyevich Esin, Viktor Alexandrovich Smirnov, and Oleg Dmitrievich Yurasov. "Condition analysis of existing technological process for repair of electric traction motors of direct current freight locomotives with the use of theory of network planning and control." Transport of the Urals, no. 2 (2020): 70–74. http://dx.doi.org/10.20291/1815-9400-2020-2-70-74.

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The paper provides information about the experience of using network schedules in the conditions of service locomotive depots that contribute to the observance of logical discipline in planning, drawing up calendar plans and managing repair work to restore traction engines of 2ES6 series of freight electric locomotives, as well as a set of measures to optimize the technological process of traction engines repair in the volume of TR-600. The analysis of the existing technological process of repair of traction engines allowed to reveal features of distribution of time of each operation in branch

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Kosmodamiansky, A. S., V. I. Vorobyov, O. V. Izmerov, E. V. Nikolaev, and D. N. Shevchenko. "Improving Locomotive Traction and Adhesion Properties by Improving the Undercarriage." World of Transport and Transportation 22, no. 2 (2025): 47–68. https://doi.org/10.30932/1992-3252-2024-22-2-6.

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The study considers the issue of increasing traction properties of freight locomotives under the conditions of the Eastern Polygon, the eastern part of the Russian railway network. The analysis results have allowed identifying design factors influencing the adhesion properties of locomotive and suggesting an extended classification of methods for improving the adhesion properties by selecting rational design solutions for the undercarriage.It is established that for unified three-axle bogies of domestic freight diesel locomotives, the factors leading to a decrease in the adhesion coefficient i

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Ablyalimov, O. "To the efficiency of locomotives of electric tractions on a hilly of section of the railway track." E3S Web of Conferences 458 (2023): 03025. http://dx.doi.org/10.1051/e3sconf/202345803025.

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The article provides a rationale for the kinematic parameters of the movement of freight trains with masses different and the energy efficiency parameters of 3VL80S electric locomotives on a virtual hilly section of the railway. In order to implement this justification, a method of graphically integrating the differential equation of train motion is used, which is the basis of the algorithm for performing traction calculations for the movement of the freight trains under study without stoppings at an intermediate station. Kinematic parameters of the movement of freight trains and energy effici

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Ablyalimov, Oleg, and Anna Avdeyeva. "Logistic indicators of locomotives of diesel traction in Marokand-Kattakurgan section of Uzbek railway." E3S Web of Conferences 410 (2023): 03034. http://dx.doi.org/10.1051/e3sconf/202341003034.

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The results of a study on the substantiation of the parameters of the logistical indicators of rail freight traffic implemented by diesel locomotives of the UzTE16M3 series when moving with stops on the hilly-mountainous section of Marokand -Kattakurgan of the Uzbek railway are presented. The research methodology is a graphical method for solving the differential equation of train movement in the accepted range of changes in the mass of the composition of freight trains as a result of the implementation of which the authors obtained complete and reduced kinematic parameters of the movement of

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Vaičiūnas, G., and L. P. Lingaitis. "THE EFFECT OF ASYMMETRIC FREIGHT TRAFFIC ON THE SELECTION OF OPTIMAL LOCOMOTIVE TRACTION ON LITHUANIAN RAILROAD." Science and Transport Progress, no. 4 (August 25, 2004): 130–35. http://dx.doi.org/10.15802/stp2004/20532.

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The paper deals with the effect of asymmetric character of the Lithuanian railroad freight traffic in western and eastern directions on the selection of optimal locomotive traction. On the basis of analysis of data on freight turnover in 1999, it has been concluded that the rational solution is such an allocation of the locomotive power, which would give to the west-bound direction 2.7 times higher power than to the east-bound one.

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Khromova, Galina, Davran Radjibaev, Aliya Zabiyeva, Anuar Kenesbek, and Adham Mavlanov. "Calculation of the Main Parameters of the Two-Line Helical Traction Transmission of an Electric Locomotive Based on Diagnostic Parameters." Applied Sciences 15, no. 4 (2025): 1730. https://doi.org/10.3390/app15041730.

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Gearboxes used in electric locomotives are a critical unit, especially in freight rolling stock. The article presents the calculation of the main parameters of the two-way oblique traction transmission of the VL-80s electric locomotive (which is operated on the railways of Uzbekistan) based on a comprehensive analysis of the diagnostic parameters obtained using the Poisson normal distribution method for the identified failures according to the Uzbekistan depot data. Also, a Pareto diagram was constructed for the chassis of 3VL-80s electric locomotives based on the data of the Locomotive Operat

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Brezulianu, Adrian, Oana Geman, and Iolanda Valentina Popa. "Artificial Intelligence Component of the FERODATA AI Engine to Optimize the Assignment of Rail Freight Locomotive Drivers." Applied Sciences 13, no. 20 (2023): 11516. http://dx.doi.org/10.3390/app132011516.

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The optimization of locomotive drivers’ scheduling in rail freight transportation comes as a necessity for minimizing economic expenses and training investments. The Ferodata AI engine, an artificial intelligence (AI)/machine learning (ML) software module, developed by our team, has integrated a supervised random forest model that automatically assigns conductors to freight transportation orders based on the data about locomotive driver’s tiredness score, distance of the driver to the departure point of a transportation order, driver availability, and circulation history. The model proposed by

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Ablyalimov, O. "To the efficiency of locomotives of electric tractions on a hilly section of the railway." E3S Web of Conferences 458 (2023): 03026. http://dx.doi.org/10.1051/e3sconf/202345803026.

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The results of the substantiation of the average kinematic parameters of the movement of freight trains and the energy efficiency indicators of the transportation work of locomotives of electric traction without stops and with stops on a virtual hilly section of the railway are presented. The stated goal of the research was realized through the theory of locomotive traction through a graphical method of integrating the differential equation of train motion, based on the finite increment method, with subsequent calculation of the numerical values of the specified parameters and indicators. Rese

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Mekhedov, M. I., and N. V. Kornienko. "Influence of technical and technological equipment of a locomotive maintenance point on the capacity of a railway line." VNIIZHT Scientific Journal 80, no. 4 (2021): 225–32. http://dx.doi.org/10.21780/2223-9731-2021-80-4-225-232.

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Stable operation of railway transport is of decisive importance in the development of the country's economy. Railway stations of the Russian Railways network perform a significant amount of work on processing and handling train traffic.Large technical stations on the Russian Railways network in most cases are located at the junction of railways (railway polygons), where locomotive crews and locomotives changes take place as well as various types of traction (electrified lines with direct and alternating current).With the development of polygon technologies on the Russian Railways network, it b

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