Journal articles: 'Train Traffic Control'

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Kotenko, Alexey, Andrey Grachev, and Timofey Shmanev. "Train traffic control at suburban sections." Bulletin of scientific research results, no. 3 (October 17, 2017): 149–58. http://dx.doi.org/10.20295/2223-9987-2017-3-149-158.

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Objective: There is a necessity to determine an approach to the development of train traffic control theory at suburban sections, on the basis of the analysis of conventional methods of train traffic control and service situations. Methods: Simulation methods, design theory and train traffic graphing were applied in the study. Results: The possibility of developing the conventional method of commuter service organization on railroads was demonstrated by means of a new data modeling approach, underlying the system of traffic handling capacity of suburban districts. It was shown, that the basis of such a technology is a train schedule modification. It was established that the schemes on selecting schedule modification, compiled in accordance with the standard methodology, may in some cases present the solutions different from conventional. It was concluded that an unexpected result might be achieved in case of simultaneous alteration of both the initial length of suburban zones and initial number of zone trains, that is zone schedule modeling, and elements of traffic schedule within regions, assigned in accordance with its periods and called configurations. The necessity in determination and modeling of configurations was justified by practical demand in traffic volume account of different types of trains at suburban sections. The simplest example of schedule modification and capacity values response to mutual position of trains and schedule elements in configurations was introduced. Practical importance: New theoretical conclusions, obtained as a result of the analysis of suburban areas’ length modeling results, the number of zone suburban trains and their position in configurations along with freight and passenger trains, provide justification of and scientific background for efforts of creating a new methodology of train traffic control at suburban sections. Such a methodology, built on the principles of zone schedule integrated modeling and the introduced traffic schedule configurations, makes it possible to considerably increase the flexibility of commuter service organization, achieve the reduction of passenger time spent on a trip and train expectation with guaranteed execution of the fixed schedule. According to the conducted analysis, the introduced approach may have positive influence on the capacity of suburban sections as well.

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Aitkhozhina, Aiman, Aida Orazalina, and Gulsezim Baiguzhina. "New methods of train traffic control." Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series 146, no. 1 (2024): 151–57. http://dx.doi.org/10.32523/2616-7263-2024-146-1-151-157.

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This article is written about a new concept of train traffic control. A topic of significant relevance in the field of organisational and safety aspects of train traffic. The existing system of train traffic control is based on the principles of application of field devices railway automation, and depending on their state driver provides movement or stopping of the train. Also on the monitoring panels, which are located in the control center, describes the state of floor devices, by them train dispatcher keeps track only the approximate location of the train. ETCS is based on the idea of continuous monitoring of the transport process using a combination of various technical means, thereby achieving a safe reduction in the transit interval, which means an increase in throughput. The ETCS is based on determining the location of the train, calculating the distance between trains, controlling the maximum permissible speed on the section, calculating the braking curve (depending on the speed over the distance traveled), comparing route data with the technical characteristics of the train. The requirements for ETCS devices are strict parameters of the accuracy of the navigation system: the error in determining the location of the eurobalance should not exceed ± 1 m, and the error of the odometers should not exceed ± 5% of the distance traveled.

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Averchenkov, E. O., L. A. Baranov, and M. A. Shevchenko. "Functional structure of the subway train traffic control system complex." Automation on Transport 7, no. 3 (2021): 343–61. http://dx.doi.org/10.20295/2412-9186-2021-7-3-343-361.

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The main architectural aspects of metro train traffic control systems are presented. The structure of train traffic control processes is presented with the example of the State Unitary Enterprise “Moscow Metro” and the main tasks that need to be solved to achieve high levels of automation of train traffic control in subways are described. A functional structure of a complex of metro train traffic control systems is presented, covering the levels of organization and planning of train traffic, operational traffic control and direct executive systems. The relationship between objects of automation and remote control of train movement, devices of the operational level and systems of organization and planning of movement are shown. The necessity of re-equipping the metro with means of ensuring transport safety and linking them with traffic control systems such as: means of informing passengers, providing the possibility of promptly informing passengers both during normal operation of the transport system and in case of emergency situations, means of communication “passenger – control center (situation center)” is shown. The latter ensures interaction between passengers and operational personnel of the subway, and if necessary, video surveillance equipment that provides enhanced remote control of the current situation in the interior of rolling stock cars and on platforms. The use of complex systems for controlling the movement of trains in subways increases the efficiency of their use by increasing the throughput and carrying capacity, accurate fulfillment of the traffic schedule and the possibility of its rapid recovery in case of failures. At the same time, traffic safety increases by reducing the likelihood of dangerous train convergence , and also the energy consumption for train traction is reduced due to the choice of energy-optimal train control modes and the optimal distribution of travel time along the line by the criterion of minimum energy consumption for the duration of travel along the tracks

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Kara, T., and Savas M. Cengiz. "Design and Simulation of a Decentralized Railway Traffic Control System." Engineering, Technology & Applied Science Research 6, no. 2 (2016): 945–51. https://doi.org/10.5281/zenodo.49885.

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With the increasing use of railway transportation, various methods have been developed for the control and management of train traffic. Train traffic control systems that are currently in use are overwhelmingly centralized systems. In this study, the development of the general structure of railway traffic control techniques is examined, centralized and decentralized control systems are investigated, and an alternative train traffic control system, the Decentralized Train Traffic Management System (DTMS), is suggested. Simulation results on the possible application of the proposed method to a railway line in South-East Turkey are employed to evaluate the performance of the developed system.  

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Kornienko, N. V., and M. I. Mekhedov. "Choice of the interval traffic control system in terms of increasing demands for the coverage of forecast traffic volumes." Russian Railway Science 81, no. 1 (2022): 63–70. http://dx.doi.org/10.21780/2223-9731-2022-81-1-63-70.

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Introduction. The authors view methodology disadvantages for the calculating the existent traffic capacity of the single track analytically by defining the limiting space interval. The current calculation methodology does not fully consider the factors influencing the traffic organization. Thus, this method implies that all trains or pairs of trains evenly distribute the traffic capacity does not corresponding to the real situation. Railway sections should have some reserve capacity that provides carriage in condition of actual traffic volume.Materials and methods. The authors proposed a new approach for determining the traffic capacity by the situation modeling through the alternate graph of train traffic and in accordance with various factors effecting the traffic capacity. Moreover, the authors carried out a comparative analysis of the transportation process indicators. They used two variants of the interval control system — automatic and semi-automatic blocking — in irregular traffic conditions.Results. The performed simulation modeling demonstrates that the use of semi-automatic blocking train interval control does not secure the planned train traffic capacity through the single-track designed line in difficult climatic conditions.Discussion and conclusion. The automatic blocking is considered more appropriate for the train interval control system. The mentioned blocking will provide not only the required capacity, but also the possibility of diagnosing the state of the trackway integrity. It is an important issue providing train traffic safety at low temperatures.

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Diaz de Rivera, Adrian, C. Tyler Dick, and Leonel E. Evans. "Improving Railway Operational Efficiency with Moving Blocks, Train Fleeting, and Alternative Single-Track Configurations." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 2 (2020): 146–57. http://dx.doi.org/10.1177/0361198120905842.

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With installation of positive train control (PTC) on many U.S. rail corridors, Class I railroads may soon leverage these investments in communications network infrastructure to implement “advanced PTC” systems incorporating moving blocks. Train control with moving blocks can benefit operating strategies that dispatch fleets of multiple trains running at minimum headways. On single-track corridors with passing sidings long enough to hold multiple trains, fleeting may increase the efficiency of train meets, reduce train delay, and yield incremental capacity benefits. Alternative single-track configurations with fleet-length sidings at double the spacing of conventional single-train sidings can facilitate these operating strategies while minimizing additional track infrastructure and associated capital and maintenance costs. To investigate the operational synergies between moving blocks, fleeting, and longer but less frequent sidings, Rail Traffic Controller software is used to simulate and compare the delay performance of train operations on representative rail corridors for different combinations of fleeting strategy, train control system, siding configuration, and freight traffic composition. Operating fleets in conjunction with moving blocks produces the lowest overall train delay in specific cases of low schedule flexibility and heterogeneous traffic. With more efficient meets, moving blocks and/or fleeting primarily benefit low priority trains that typically wait for opposing traffic during train meets. Such incremental line capacity benefits have short-term financial consequences as they allow additional capital investments in double track to be deferred. Knowledge of train delay performance under moving blocks and fleeting will aid railway practitioners evaluating investments in advanced PTC systems and track infrastructure expansion.

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Baranov, L. A. "AUTOMATIC CONTROL OF METRO TRAINS." World of Transport and Transportation 16, no. 3 (2018): 156–65. http://dx.doi.org/10.30932/1992-3252-2018-16-3-14.

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For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version).ABSTRACT The experience of development of domestic automatic traffic control systems for metro trains is analyzed, taking into account high intensity and low redundancy of the line capacity necessary to compensate for disturbances. A brief overview of development of an automated control system is given; the dynamics of changes in the systems of automatic train operation is shown. The analysis of the transformation of algorithms for centralized control of metro trains, the features of time-travel controllers, the requirements for construction of technical means for determining the distance traveled and the speed regime are given. Keywords: metro, automatic traffic control system, dynamics of development, safety, automatic train operation, time-travel controllers, algorithms.

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Boltayev, Sunnatillo. "Functions of the interlocking system on mixed traffic lines." E3S Web of Conferences 515 (2024): 01012. http://dx.doi.org/10.1051/e3sconf/202451501012.

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These days, automated rail traffic control systems help to lessen the need for human intervention in train traffic management. On the other hand, the various algorithms used by interlocking systems to coordinate the movement of trains belonging to distinct categories result in longer wait times for technological procedures at the station. The possibility of timely routes for trains of multiple categories occurs by employing the method of automatic route preparation by interlocking systems in the organization of the movement of trains of different categories. In interlocking systems, automatic route preparation can be achieved by continuously monitoring train characteristics, train traffic graphs of various train classes, and the condition of equipment involved in the function’s development. Nonetheless, it is predicated on the creation of many models to arrange the specifications of various train classes and train movements inside a single schedule type. In order to prepare the routes ahead of time for the station tracks based on the algorithms for the operation of interlocking systems for various kinds of trains, the paper analyzes the reliance of the traffic composition characteristics.

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Kauppi, Arvid, Johan Wikström, Bengt Sandblad, and Arne W. Andersson. "Future train traffic control: control by re-planning." Cognition, Technology & Work 8, no. 1 (2005): 50–56. http://dx.doi.org/10.1007/s10111-005-0019-3.

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Kara, T., and M. Cengiz Savas. "Design and Simulation of a Decentralized Railway Traffic Control System." Engineering, Technology & Applied Science Research 6, no. 2 (2016): 945–51. http://dx.doi.org/10.48084/etasr.631.

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With the increasing use of railway transportation, various methods have been developed for the control and management of train traffic. Train traffic control systems that are currently in use are overwhelmingly centralized systems. In this study, the development of the general structure of railway traffic control techniques is examined, centralized and decentralized control systems are investigated, and an alternative train traffic control system, the Decentralized Train Traffic Management System (DTMS), is suggested. Simulation results on the possible application of the proposed method to a railway line in South-East Turkey are employed to evaluate the performance of the developed system.

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Lavrukhin, O. V., S. R. Myronets, and V. A. Bohomolov. "Improvement of Train Traffic Control Technology Based on Abstract Modelling of Operational Processes." Science and Transport Progress, no. 3-4(99-100) (December 28, 2022): 25–32. http://dx.doi.org/10.15802/stp2022/276194.

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Purpose. The main goal of the work is to improve the process of controlling transport units (trains) on the basis of abstract modelling of operational processes, which will allow the operational dispatching apparatus to respond in a timely manner to constantly changing train conditions. Methodology. In order to ensure the rhythmic and uniform movement of trains of all categories along railway lines, train dispatchers, based on their experience, together with locomotive dispatchers and train locomotive drivers, constantly monitor the operational train condition and develop a strategy for the movement of trains along railway sections. This approach is quite energy-consuming in terms of human resources due to excessive nervous tension. As a result of this shortcoming and mistakes made, there are unproductive downtime at railway stations and, in some cases, a significant reduction in sectional speed, which in turn directly affects the industry's profitability and the quality of passenger service, including high-speed traffic. The basis for making management decisions on operational train conditions is automated systems and personal experience of professionals. In this regard, it is advisable to form a model that will reproduce the optimal train operation plan by predicting the main indicators. Findings. In the course of the scientific and applied research, the predictor of collision of trains of different categories with station and inter-train intervals was determined, which can later become the basis of a powerful module of the operational decision support system. Originality. The paper proposes an approach to improving the process of managing transport units based on abstract modelling of operational processes, which, unlike existing approaches, allows the implementation of a high-speed intelligent decision support system for railway dispatching with the possibility of self-adaptation. Practical value. The implementation of the proposed approach in the form of an automated software system will further increase the profitability of the railway industry in the freight and passenger traffic sector.

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Huang, Bin, and Ying Huang. "Multimode Intelligent Control Based on Multidata Fusion Filtering in High-Speed Train Traffic Signal and Control." Journal of Sensors 2021 (May 31, 2021): 1–10. http://dx.doi.org/10.1155/2021/6081999.

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As the speed of high-speed trains continues to increase, the intelligent monitoring of high-speed trains has become a concern of people. This research mainly discusses the application of multimode intelligent control of multidata fusion filtering in high-speed train traffic signal and control. In multimodal intelligent control, BangBang, PI control, adaptive fuzzy PID control, and expert monitoring control under special circumstances can be used, respectively, according to the error and the rate of change of the error, which can achieve the best control effect under safe conditions. Take the allowable speed of ATP as the target speed of the control system, and combine the operation process, operation requirements, traction characteristics, braking characteristics of high-speed trains, and meet the two conditions for improving the operating efficiency of high-speed trains. According to the dynamic expected speed value of high-speed trains, dynamically adjust the switching threshold. This study uses a pulse signal generator to simulate the speed data of the vehicle speed sensor (all pulse data), and then read the speed (pulse) signal data through the pulse signal acquisition card, and display the simulated speed data under the Kingview software. The monitoring computer is used to collect train speed information, display speed information, manage speed information, and output speed information. Then, through OPC technology, the simulation speed data is transmitted to MATLAB software for multidata fusion filtering processing and multimodal control simulation. In the simulation process, the train adopts a multimodal intelligent control response scheme, with a total time of 2183.7 s, which is shortened by 214.5 s and improved by nearly 10%. The multimode intelligent control scheme of multidata fusion filtering proposed in this study can better meet the control of high-speed train traffic signals.

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Aliev, Ravshan, and Komoliddin Toshmetov. "TELECONTROL OF THE EXPERT SYSTEM OF AUTOMATIC TRAFFIC CONTROL." Актуальные вопросы развития инновационно-информационных технологий на транспорте 1, no. 1 (2022): 20–22. http://dx.doi.org/10.47689/978-9943-7818-0-1-pp20-22.

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The article examines the transmission of a tele control and telesignalization signal in the expert system for automatic control of train traffic, for the detection and control of train data, various types of systems for automatic control of train traffic are presented.

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Tarnai, G. "Safety Verification for Train Traffic Control Communications." IEEE Journal on Selected Areas in Communications 4, no. 7 (1986): 1118–20. http://dx.doi.org/10.1109/jsac.1986.1146427.

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Baranov, L. A., V. G. Sidorenko, E. P. Balakina, and L. N. Loginova. "Intelligent centralized traffic management of a rapid transit system under heavy traffic." Dependability 21, no. 2 (2021): 17–23. http://dx.doi.org/10.21683/1729-2646-2021-21-2-17-23.

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Aim. In today’s major cities, increased utilization and capacity of the rapid transit systems (metro, light rail, commuter trains with stops within the city limits) – under condi[1]tions of positive traffic safety – is achieved through smart automatic train traffic management. The aim of this paper is to choose and substantiate the design principles and architecture of such system.Methods. Using systems analysis, the design principles and architecture of the system are substantiated. Genetic algorithms allow automating train traffic planning. Methods of the optimal control theory allow managing energy-efficient train movement patterns along open lines, assigning individual station-to-station running times following the principle of mini[1]mal energy consumption, developing energy-efficient target traffic schedules. Methods of the automatic control theory are used for selecting and substantiating the train traffic algorithms at various functional levels, for constructing random disturbance extrapolators that minimize the number of train stops between stations.Results. Development and substantiation of the design principles and architecture of a centralized intelligent hierarchical system for automatic rapid transit traffic management. The distribution of functions between the hierarchy levels is described, the set of subsystems is shown that implement the purpose of management, i.e., ensuring traffic safety and comfort of passengers. The criteria are defined and substantiated of management quality under compensated and non-compensated disturbances. Traffic management and target scheduling automation algorithms are examined. The application of decision algorithms is demonstrated in the context of uncertainty, use of disturbance prediction and genetic algorithms for the purpose of train traffic planning automation. The design principles of the algorithms of traffic planning and management are shown that ensure reduced traction energy consumption. The efficiency of centralized intelligent rapid transit management system is demonstrated; the fundamental role of the system in the digitalization of the transport system is noted.Conclusion. The examined design principles and operating algorithms of a centralized intelligent rapid transit management system showed the efficiency of such systems that ensured by the following: increased capacity of the rapid transit system; improved energy efficiency of train traffic planning and management; improved train traffic safety; assurance of operational traffic management during emergencies and major traffic disruptions; improved passenger comfort.

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Efanov, Dmitriy, Sergey Zhukov, Evgeniy Simakov, Dmitriy Pentegov, and Mariya Feklistova. "Switch Technology of Automation and Remote Control Equipment of Train Traffic in the Undergrounds at Introduction of Complex Control Systems." Automation on transport 8, no. 1 (2022): 17–35. http://dx.doi.org/10.20295/2412-9186-2022-8-1-17-35.

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To perfect processes of planning, organization and management of transportation process in the undergrounds, automatic complex systems of train traffic are developed. Such systems are embodied on the acting infrastructure during its improvement and the rework of morally and physically outdated automation objects and cope with already industry-introduced systems of automatic planning, organization and management. The usage of complex systems of train traffic management in the undergrounds allows to rise essentially the quality and efficiency of transportation process, especially, at extraordinary situation appearance. In the presented article, the scenarios of switch of acting devices are developed onto the modern automation equipment of train traffic management on metro lines. Technical requirements to parts are presented as well as intrinsic specificities for this or that switch scenario of the equipment are outlined. The submitted results may appear useful at practical realization of complex systems of the underground train traffic control.

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Baranov, Leonid, Petr Bestemyanov, Ekaterina Balakina, and Oleg Pudovikov. "Design Principles and Models of Automatic Control System for Second Locomotive at Virtual Assessment." Transport automation research 8, no. 4 (2022): 377–88. http://dx.doi.org/10.20295/2412-9186-2022-8-04-377-388.

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Automatic control system model of second train locomotive at virtual assessment as well as control quality analysis approaches have been considered. The controlled value represents being calculated in train traffic process the distance between “tail” of a first train and “head” of a second one, providing traffic safety at emergency braking of a first train. This distance is called “virtual replacer length”. Formalization has been introduced allowing to account for synchronization absence at transfer of information on the coordinate and speed of a first locomotive and the control digital system work cycle of a second one. Speed and coordinate measurement errors have been considered which’re connected with lagging at information transfer and possibility of failing in decoding of received by radio channel information by second locomotive receiver. At virtual length assessment, various ways of its upper assessment have been considered, the way has been chosen, taking into account motion speeds and the coordinates of both trains, emergency braking path of a first train, the possibility of emergency braking of a first train at the beginning of the cycle of information transfer, measurement methodological and instrumental errors. Digital proportional integral differentiating control law has been considered as an operator, transforming mismatches at the choice of a control of a second locomotive. Automatic control system model has been developed which relates to impulse system class and which feature is the calculation of control action in train traffic process. The parametric synthesis of automatic control system is recommended to be held by simulation modelling methods. Control quality criteria have been chosen.

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HIRAGURI, Shigeto, Yuji HIRAO, Ikuo WATANABE, Norio TOMII, and Shinichi HASE. "Advanced Train and Traffic Control Based on Prediction of Train Movement." JSME International Journal Series C 47, no. 2 (2004): 523–28. http://dx.doi.org/10.1299/jsmec.47.523.

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Şahin, İsmail. "Railway traffic control and train scheduling based oninter-train conflict management." Transportation Research Part B: Methodological 33, no. 7 (1999): 511–34. http://dx.doi.org/10.1016/s0191-2615(99)00004-1.

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Valinsky, Oleg, Aleksandr Marikin, Nikolay Kalinin, and Evgeniy Suhanov. "Implementation of an Automatic Control System to Improve the Operation Accuracy and Energy Efficiency on High-Speed Electric Trains." Proceedings of Petersburg Transport University 22, no. 1 (2025): 7–18. https://doi.org/10.20295/1815-588x-2025-1-7-18.

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To develop and evaluate an automatic train control algorithm for high-speed trains aiming at energy efficiency, timetable accuracy and increased passenger safety and comfort. Methods: An analytical and computer-based approach was used to design an automatic control algorithm. The finite element method was used to simulate an electric train movement. The algorithm has been implemented in Python language using NumPy, Pandas and Matplotlib libraries. The Sapsan high-speed train operation data have been analysed and a comparative analysis of experimental and computational data has been carried out. Results: The automatic train control algorithm has been developed to improve energy efficiency and timetable accuracy, as well as to reduce the train driver impact on energy consumption. The effect of energy savings up to more than 11% in conditions of different traffic volumes due to the implementation of the system has been recorded. The results of the motion curve simulation compared with experimental operating data are presented. Practical significance: The implementation of the proposed automatic control algorithm will improve the energy efficiency of high-speed trains, enhance their operational characteristics, increase the train timetable accuracy and upgrade the level of passenger comfort. The developed system can be used on railways with high traffic intensity to increase railway capacity without upgrading the infrastructure.

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Marchuk, Roman, Volodymyr Sakhno, Igor Murovanyi, Oleksandr Razboinikov, Volodymyr Bosenko, and Nazar Marchuk. "To determine the maneuverability of three-link road trains type “B-triple” with steered axles of semi-trailers dollies." Archives of Automotive Engineering – Archiwum Motoryzacji 104, no. 2 (2024): 97–111. http://dx.doi.org/10.14669/am/189736.

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In recent years, the development of container transportation served as a powerful impetus for increasing the length of vehicles, especially road trains, which is due to a number of advantages regarding the transportation of large-sized freight in a container. Today, the whole range of containers is transported by two-link road trains consisting of a tractor vehicle and semi-trailer. The efficiency of such transportation can be increased by means of three-link road trains capable of transporting either three (two 20-foot and one 40- or 45-foot) or four 20-foot containers. This organization of transportation will lead to energy savings and a reduction in environmental pollution due to the reduction of vehicles. However, there is a problem with the maneuverability and stability of such vehicles. The paper developed a kinematic model of three-link road train type “B-triple” with steered axles (front or rear) of semi-trailer dolly with a dual drive control for these axles. Based on folding angles of road train links and drive control transmission ratios of the axles of semi-trailer dolly, the main indicators of road train maneuverability are determined – road train links trajectories displacement relative to the vehicle trajectory and road train overall traffic lane. It was established that when entering a turn with slight differences in folding angles of road train links, the steered axles of semi-trailer dolly turn in the direction opposite to the direction of a turn, thereby reducing the overall traffic lane. During circular motion, the overall traffic lane of road train with steered semi-trailers decreased by almost 2 m, but such road train does not meet the maneuverability requirements. The search for ways to improve the maneuverability of three-link road trains should be sought in the designs of three-link road trains.

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Shamanov, V. I. "THE EFFECT OF FAILURES IN INTERVAL CONTROL SYSTEMS ON THE MOVEMENT OF TRAINS ON DOUBLE-TRACK SECTIONS." Automation on Transport 7, no. 3 (2021): 395–413. http://dx.doi.org/10.20295/2412-9186-2021-7-3-395-413.

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The level of reliability of systems for train traffic train separation directly affects the safety and conti- nuity of their movement, the speed and timing of delivery of goods and passengers, the labor intensity and cost of transportation, and the costs of operating these systems. If we consider a section of a railway as a complex dynamic system, then with a relatively small weight of fixed assets of technical means intended for interval regulation of train traffic, failures in them signifi- cantly affect the system output. On the railways of Russia, the systems of interval regulation are mainly used with the use of track circuits and the division of hauls into block. Such systems are widely used on the world’s railways. There- fore, the problem of quantifying losses in train movement from failures of electric interlocking devices while through-working and from failures of automatic blocking devices is relevant. The amount of loss depends on the intensity of failures of technical means and the time to restore their operability, on the intensity of train traffic, the length of block sections, the ratio of freight and pas- senger trains on the section, the speed of their movement according to the schedule and the degree of speed reduction due to failures of the considered technical means Both freight and passenger trains move along sections of the Russian railways, the speeds of which can differ significantly, which also significantly affects the traffic loss from such failures. When calculating, one has to use data on block crossing capacity and the capability of accelerating trains. The calculation results provide the possibility of an objective choice of the type of systems under consideration and the requirements for them in a new design or during their reconstruction on railway sections, as well as the possibility of correct distribution of costs to increase the reliability of the oper- ated systems.

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Dong, Luxi, Linan Qin, Xiaolan Xie, Lieping Zhang, and Xianhao Qin. "Collaborative Optimization Method for Multi-Train Energy-Saving Control with Urban Rail Transit Based on DRLDA Algorithm." Applied Sciences 13, no. 4 (2023): 2454. http://dx.doi.org/10.3390/app13042454.

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With the traffic congestion problem deteriorating, people increasingly choose urban rail transit (URT) to travel. Although URT alleviates traffic congestion, the long-term operation of a large number of trains leads to huge energy consumption. In order to adapt the major social development concept of “Low carbon”, a multi-train energy-saving control collaborative optimization method is proposed in this paper. First, the composition of single train operating conditions is determined by the conversion of operating conditions between stations and the force changes under the premise of ensuring safe and on-time train operation. A single-train energy consumption calculation combinatorial optimization model with the dual control objectives of reducing passengers’ average waiting time as well as train traction energy consumption is established. The energy saving control strategy of a single train is investigated by ARMA-Radial Basis Function Neural Network (ARMA-RBFNN) and Genetic Algorithm (GA). Next, the queuing theory is introduced to analyze the variation in passenger waiting time for multiple trains at different arrival intervals. A Deep Reinforcement Learning (DRL) algorithm is designed to obtain the correlation among passenger waiting time, arrival interval and train stopping time. The optimization objective is to minimize the multi-train traction energy consumption and the average passenger waiting time while considering conditions such as train operating safety interval, speed limit, multiple operating state and single train energy-saving models, etc. Then, a multi-train cooperative energy-saving control model is proposed based on the Dragonfly Algorithm (DA). Finally, a case study of Beijing Metro Line 4 is conducted to illustrate the effectiveness of the proposed method. The results demonstrate that the total traction energy consumption and passenger waiting time are reduced by 3.1% and 5 s, respectively, compared with the method of independently optimizing the single-train control strategy. The findings can aid in the development of energy-saving strategies and also provide a basis for energy-saving operation control of multiple trains.

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Nikityn, Alexander. "The specificities of train control system at Moscow-Kazan-Yekaterinburg high-speed network." Bulletin of scientific research results, no. 3 (October 17, 2017): 47–56. http://dx.doi.org/10.20295/2223-9987-2017-3-47-56.

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Objective: To consider the requirements for the train control system (SUDP) at “Moscow-Kazan-Yekaterinburg” high-speed network (VSM). To develop system-wide requirements for SUDP, including the selection of the structure and composition of subsystems. Methods: Computer-based interlocking with contactless control of vehicles should be applied at the stations as the main means for train traffic control. Vocal frequency track circuits were determined as the major means for free and busy status control of track at stations and blocks, an information channel giving an update of a track ahead, and the means for a rail integrity test. Stationary equipment for train collision avoidance via radio channel is to provide train traffic with speeds up to 400 km/h, multiple-aspect ALS-YEN (integrated continuous automatic cab signaling system), depending on control technology with speeds up to 250 km/h and ALS (automatic locomotive signaling system) – up to 160 km/h. Results: The issues of providing reliable and safe functioning of SUDP were considered, as well as liveness and interoperability. Practical importance: Control system realization in the suggested configuration with combined data communication via radio channel and conventional ALS and ALS-YEN facilities will make it possible to provide train traffic collision avoidance backup, as well as interoperability with high-speed transport lines. Keywords: High-speed network, train control system, centralized traffic control, computer- based interlocking, train traffic collision avoidance, radio-block center.

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Letia, T. S., A. Astilean, R. Miron, and M. M. Santa. "Train Traffic Control Based on Distributed Resource Allocation." IFAC Proceedings Volumes 43, no. 23 (2010): 1–6. http://dx.doi.org/10.3182/20101005-4-ro-2018.00002.

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Tomita, Koji, and Keiichi Ito. "Software in an Evolving Train Traffic Control System." IEEE Software 28, no. 2 (2011): 19–21. http://dx.doi.org/10.1109/ms.2011.45.

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LENIOR, T. M. J. "Analyses of cognitive processes in train traffic control." Ergonomics 36, no. 11 (1993): 1361–68. http://dx.doi.org/10.1080/00140139308968005.

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Lo, Julia C., Kari R. Pluyter, and Sebastiaan A. Meijer. "Individual Markers of Resilience in Train Traffic Control." Human Factors: The Journal of the Human Factors and Ergonomics Society 58, no. 1 (2015): 80–91. http://dx.doi.org/10.1177/0018720815622357.

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Tao, Tang, and Li Ke-Ping. "Traffic Modelling for Moving-Block Train Control System." Communications in Theoretical Physics 47, no. 4 (2007): 601–6. http://dx.doi.org/10.1088/0253-6102/47/4/006.

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Kornev, Dmitriy. "Influence of Control Algorithm on Train Traffic Technical Characteristics." Transport automation research 9, no. 1 (2023): 7–18. http://dx.doi.org/10.20295/2412-9186-2023-9-01-7-18.

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In order to choose locomotive control algorithm when prognosing train motion rational mode in an exploitation by the methods of mathematical modeling, the calculation was performed of main technical and economic characteristics of the operation of diesel locomotive 2TE116U with a stock at the use of full power and at control, basing on the parameters of a mode map. The method basis represents train motion dynamic model on a railway section with a given profile. To verify the de-veloped method, numerical studies were carried out in the wide range of changes of stock weights which not exceed the calculated weight. The obtained results have been compared with statistical data on the values of operational characteristics of train motion on Russia railways. It has been shown that train motion mode modelling at the use of locomotive full power gives a significant error at calculating technical speed, at the norm of train weight rate and fuel consumption and does not allow calculating locomotive control rational algorithm on optimization used criteria inclusive of op-eration conditions. At the choice of locomotive control rational algorithm, the necessity is substanti-ated for taking into account real conditions of train motion operation by batch or partially batch schedule which are reflected in mode map parameters.

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Baranov, Leonid, Lyudmila Loginova, Aleksandra Ermakova, and Chzhan Yongqiang. "System for automatic construction of regulating characteristics of railway sections for centralized intelligent train traffic control systems." Transport automation research 10, no. 3 (2024): 246–53. http://dx.doi.org/10.20295/2412-9186-2024-10-03-246-253.

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the relevance of developing a system for automatic construction of regulating characteristics of railway sections for centralized train traffic control is discussed. Regulating characteristics allow determining the minimum permissible interval for train departure from the station, considering the given travel time of two consecutively moving trains and the specified dwell time of the leading train. The principles of constructing an automatic system for generating these characteristics are presented. Examples of the results of constructing adjustment characteristics for metro lines are provided.

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Hiraguri, Shigeto, Yuji Hirao, Ikuo Watanabe, Norio Tomii, and Shinichi Hase. "C202 Advanced Train and Traffic Control Based on Prediction of Train Movement." Proceedings of International Symposium on Seed-up and Service Technology for Railway and Maglev Systems : STECH 2003 (2003): 108–13. http://dx.doi.org/10.1299/jsmestech.2003.108.

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Engel, Benjamin D., William B. Ludington, and Wallace F. Marshall. "Intraflagellar transport particle size scales inversely with flagellar length: revisiting the balance-point length control model." Journal of Cell Biology 187, no. 1 (2009): 81–89. http://dx.doi.org/10.1083/jcb.200812084.

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The assembly and maintenance of eukaryotic flagella are regulated by intraflagellar transport (IFT), the bidirectional traffic of IFT particles (recently renamed IFT trains) within the flagellum. We previously proposed the balance-point length control model, which predicted that the frequency of train transport should decrease as a function of flagellar length, thus modulating the length-dependent flagellar assembly rate. However, this model was challenged by the differential interference contrast microscopy observation that IFT frequency is length independent. Using total internal reflection fluorescence microscopy to quantify protein traffic during the regeneration of Chlamydomonas reinhardtii flagella, we determined that anterograde IFT trains in short flagella are composed of more kinesin-associated protein and IFT27 proteins than trains in long flagella. This length-dependent remodeling of train size is consistent with the kinetics of flagellar regeneration and supports a revised balance-point model of flagellar length control in which the size of anterograde IFT trains tunes the rate of flagellar assembly.

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Kochan, Andrzej, Emilia Koper, and Paweł Wontorski. "Automatic train operation – requirements analysis." WUT Journal of Transportation Engineering 121 (June 1, 2018): 161–70. http://dx.doi.org/10.5604/01.3001.0014.4576.

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This article discusses the analysis of the process of automatic train operation. The scope of the analyzed process is not narrowed to the train itself. It covers the tasks carried out at the various operational levels of the system responsible for operating the railway traffic. The authors present the tasks in the field of railway traffic management and railway traffic control and train operation, carried respectively by the dispatcher, signalman and the train driver, which can be performed automatically, i.e. without human intervention.

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Et. al., Aikumbekov Muslim,. "Determination And Evaluation Of The Minimum Allowable Train Headway Value At The Coordinate Traffic Control Method." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (2021): 3356–65. http://dx.doi.org/10.17762/turcomat.v12i2.2396.

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In recent years, there has been a steady increase in the volume of traffic. According to experts ' forecasts, the demand for product transportation will continue to increase. Meanwhile, the supply for the capacity of the lines is actually exhausted. Therefore, the most important task of railway transport in the near future will be to increase the carrying capacity and capacity.Increasing the carrying capacity of railway transport can be achieved by: increasing the average speed of trains, building additional tracks, increasing the length and weight of freight trains, reducing inter-train intervals, and organizational measures. To increase the average speed of trains, it is necessary to improve the quality of track maintenance and rolling stock, in addition, certain sections of the track will need to be reconstructed. These measures, including the construction of additional tracks, are long-term and will lead to significant material costs. Increasing the length and weight of freight trains leads to an increase in the number of accidents.The most effective way to increase the carrying capacity is to reduce the inter-train intervals in conjunction with a number of organizational measures.With the coordinate method of interval control, the programs and algorithms obtained on the basis of mathematical models must guarantee the safety of trains with minimal intervals.This fact confirms the need to conduct a set of studies in the field of methodology for ensuring safety and organization of train traffic by clarifying existing and developing new mathematical models of train movement in relation to the specifics of the coordinate method of interval regulation.

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Torralba, Silgado Antonio Jesús, Castellano María Garcia, Martín Juan Pablo García, et al. "Smart Railway Operation Aid System for Facilities With Low-Safety Requirements." IEEE Intelligent Transportation Systems Magazine 13, no. 3 (2021): 253–67. https://doi.org/10.1109/MITS.2019.2962148.

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Rail traffic control systems are undergoing an important transformation. ERMTS/ECTS, CBTC, PTC and other train control systems based on radio communication are being deployed in different countries. These systems meet the high safety requirements for passenger traffic, and cover from congested urban areas to high-speed trains. However, there is a set of facilities, such as ports, dry ports, facilities for the repair and maintenance of trains, logistic centers, mines, etc., whose trains, that only carry freight, circulate in a controlled environment at a low speed. These facilities have low safety requirements. For them, present commercial systems become too expensive, so that, in most cases, railway traffic is still handled manually. This paper presents a system to aid in the exploitation of rail traffic for this type of facilities, called SFPS (Seville Ferro-Port System). SFPS presents many of the features of the most advanced traffic control systems, but incorporates innovations based on Information and Communications Technologies to reduce costs. To this end, train location is based on a satellite global positioning system, physical signs are replaced by virtual ones, displayed in an On-Board Unit, and communication is almost entirely wireless. SFPS has been in a trial phase since March 2016, covering part of the railway facilities of the Port Authority of Seville, with satisfactory results

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Dyduch, Janusz, and Mieczysław Kornaszewski. "New systems in management of railway traffic in Poland." Transportation Overview - Przeglad Komunikacyjny 2017, no. 10 (2017): 45–53. http://dx.doi.org/10.35117/a_eng_17_10_06.

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The new computer's solutions and microprocessor technology, microcomputers and the programmable controllers (PLC) for management of train traffic, which are implemented, contribute to the creation of modern rail traffic control systems. These systems provide high reliability, low power consumption, stability and safety of the trains' movement. One of the most important things for the boards of railway European countries is unification the systems of rail transport, in particular unification the signaling systems and control of the rail traffic. A good solution is as soon as possible implementation the European Rail Traffic Management System (ERTMS), which connect the system of safe operation of trains ETCS and the digital Global System for Mobile Communications – Railways GSM-R.

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Toš, Zdravko, Tomislav Josip Mlinarić, and Hrvoje Haramina. "Managing Rail Traffic on Commuter Lines Based on Dynamic Timetable Application." PROMET - Traffic&Transportation 23, no. 6 (2012): 413–20. http://dx.doi.org/10.7307/ptt.v23i6.176.

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The increase of demand for transport service in rail commuter traffic stipulates higher ratio of consumed infrastructure capacity. In this method of traffic flow even minor deviations from the planned timetable can have negative influence on its stability, and this can result in major reduction of the quality of transport service. This research has defined the commuter rail traffic management system model with the application of real-time timetable rescheduling. It understands the application of the decision support system during the procedure of adjusting the timetable to the real condition in traffic in the form of genetic algorithm defined on the basis of the valid rules for the train and traffic control. Besides, this model in all the commuter trains understands the existence of the driver advisory system which is based on the algorithm for determination of the most favourable running regime with the aim of saving in energy consumption. The paper proves that by applying the proposed model the commuter rail traffic can be improved regarding the increase of the timetable stability and energy-efficient train operation. KEY WORDS: rail traffic management, genetic algorithm, energy efficient timetabling and train operation

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Noorbasha, Fazal, K. Hari Kishore, P. Phani Sarad, et al. "A VLSI implementation of train collision avoidance system using Verilog HDL." International Journal of Engineering & Technology 7, no. 2.8 (2018): 386. http://dx.doi.org/10.14419/ijet.v7i2.8.10468.

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Now a days we see many train accidents that occur in railways. These accidents occur mainly due to cracks in the track, human errors and not identifying the opposite train at the right time. When the train meets with the accident lot of people lose their lives and huge amount of railway property is destroyed and it also takes lot of time to hold back to the normal situations. Most of the accidents happen due to human error and due to lack of communication between the trains and irregularity of Train Traffic Control System. Normally to prevent these accidents we place sensors on either side of the platform to identify the train at right time and to receive traffic signals at the platform properly. Here we came with some different approach which is easy to manage and implement and cost effective. Normally collision occurs when two trains approaching in opposite directions on same track. So, if we manage to prevent two trains travel on the same track then collision can be avoided. Here in this project we have implemented Verilog code to solve this problem. The purpose of this project is to write a Verilog code to detect the opposite train and deviate the train based on priority of the trains thus avoiding collision. In this project we have chosen four different types of trains namely Goods, Passenger, Superfast, Express and we have implemented train collision avoidance using Verilog code by giving priority to each type of train and preference is given to one train to avoid collision.

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Popov, P. A., A. V. Ozerov, and A. S. Marshova. "Prospects of autonomous railway transport development." BRIСS Transport 3, no. 3 (2024): 1–14. http://dx.doi.org/10.46684/2024.3.4.

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The implementation of unmanned train control systems offers a number of advantages, such as increasing the capacity of railway lines and traffi c volumes, reducing the ‘human factor’, as well as reducing operating costs. The paper considers the challenges arising from the use of automatic train control systems, and presents the prospects for the implementation of automatic technologies in railway transport for various railway systems. The social and economic aspects of changing professional activities in railway transport are described. Grades of automation applicable to surface urban railwaytransport are presented. The issues of proving the functional safety of machine vision systems as part of the train traffic control system and determining their level of safety completeness are discussed. Examples of railway transport automation in Russia and other countries are given. Basic scenarios of automatic control system operation describing normal and abnormal situations are formulated. In conclusion, the levels of technological readiness of the reviewed solutions in the fi eld of train traffic automation are defi ned. The tasks faced by railway companies in implementing these technologies are outlined, and possible ways of overcoming obstacles to the introduction of automatic systems are proposed, taking into account the current political situation.

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Rozenberg, Efim, Aleksey Markov, and Aleksey Ozerov. "Digital Technologies for Train Passage through Sections and Stations — the Basis for Organizing Traffic on Moscow Central Diameters." Transport automation research 9, no. 4 (2023): 324–32. http://dx.doi.org/10.20295/2412-9186-2023-9-04-324-332.

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train separation, automatic block system, ABTC-MSh system, moving block, interlocking, automatic cab signalling, train control system The article discusses the development of automatic block systems, which form the basis of separation systems. It also highlights the key factors limiting the capacity on open lines, and ways to solve them. A brief overview of the foreign experience of the organization of train separation using automatic block system based on track circuits is given. The article shows the capabilities and role of the computerbased automatic block signalling system with a centralized placement of equipment, audio frequency track circuits and duplicating information transmission channels as an important element of the train traffic management at the sections of Moscow Central Diameters. The significance of the implemented non-stop passage of trains along the main station tracks providing substantial section capacity increase is demonstrated. The necessity of building a digital system for train spacing is shown, which makes it possible to implement the moving block technology with-in the station ensuring the movement of trains on open lines and at stations with the same headway. The advantages of a new type of the computer-based automatic block signalling system as a basic element of a promising Russian train traffic control system and the positive effects of its implementation on the Russian railway network are indicated. The direction of development of train separation systems is outlined within the framework of further digitalization.

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Efanov, D. V., V. V. Khoroshev, and G. V. Osadchy. "Conceptual Foundations of the Synthesis of Safe Train Traffic Control Systems." World of Transport and Transportation 20, no. 3 (2023): 50–57. http://dx.doi.org/10.30932/1992-3252-2022-20-3-6.

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The article analyses the problem of synthesis of the systems of safe control of critical technological processes on the example of railway automation and remote control systems.It is shown that modern control systems for complex distributed systems, such as a railway transport system, are not implemented with absolute safety. The safety of such systems is limited by considering only their own failures, external failures of control systems and their components, as well as failures of infrastructure objects that directly interact with control devices. Other infrastructure facilities are not considered in any way during automatic control and data transfer to on-board automation.The objective of the article is to present theoretical concept of the synthesis of safe train traffic control systems, considering the capacity of equipping infrastructure facilities with highly reliable and safe means of technical diagnostics and monitoring.A shown simplified structure of the central train traffic control centre considers the results of diagnosing and monitoring all the components of the transportation process.The conditions for the synthesis of completely safe train traffic control systems are formulated along with the accompanying tasks. A comprehensive accounting of the parameters of railway infrastructure facilities and rolling stock will allow reaching a qualitatively higher level of train traffic safety.

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Dick, C. Tyler, Darkhan Mussanov, Leonel E. Evans, Geordie S. Roscoe, and Tzu-Yu Chang. "Relative Capacity and Performance of Fixed- and Moving-Block Control Systems on North American Freight Railway Lines and Shared Passenger Corridors." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 5 (2019): 250–61. http://dx.doi.org/10.1177/0361198119841852.

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North American railroads are facing increasing demand for safe, efficient, and reliable freight and passenger transportation. The high cost of constructing additional track infrastructure to increase capacity and improve reliability provides railroads with a strong financial motivation to increase the productivity of their existing mainlines by reducing the headway between trains. The objective of this research is to assess potential for advanced Positive Train Control (PTC) systems with virtual and moving blocks to improve the capacity and performance of Class 1 railroad mainline corridors. Rail Traffic Controller software is used to simulate and compare the delay performance and capacity of train operations on a representative rail corridor under fixed wayside block signals and moving blocks. The experiment also investigates possible interactions between the capacity benefits of moving blocks and traffic volume, traffic composition, and amount of second main track. Moving blocks can increase the capacity of single-track corridors by several trains per day, serving as an effective substitute to construction of additional second main track infrastructure in the short term. Moving blocks are shown to have the greatest capacity benefit when the corridor has more second main track and traffic volumes are high. Compared with three-aspect signal systems, much of the benefits of moving blocks can be obtained from adding signals and implementing a four-aspect signal system. Knowledge of train delay performance and line capacity under moving blocks will aid railway practitioners in determining if the benefits of these systems justify the required incremental investment over current PTC overlay implementations.

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Efanov, D. V., and E. M. Mikhailyuta. "Reliability and Safety Management of the Transportation Process Using Systems for Continuous Monitoring of Railway Infrastructure Facilities." World of Transport and Transportation 21, no. 2 (2023): 84–94. http://dx.doi.org/10.30932/1992-3252-2023-21-2-10.

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While analysing the problem of increasing reliability and safety of the rail transportation process, it is shown that modern train traffic control systems do not automatically consider the events of decrease in reliability of railway infrastructure facilities; however, such a linkage is quite possible. The proposed architecture of a promising train traffic control system can be based on railway automation and remote-control (telemechanics) systems, which have a safe information interface with the means of continuous monitoring of railway infrastructure facilities.The objective of the article is to present theoretical principles of managing reliability and safety of the transportation process using «new generation» automation systems, closely integrated with technical monitoring tools. A demonstrated simplified structure of the train traffic control system has an information interface with the means of continuous monitoring of railway infrastructure facilities. The developed reliability models of the train traffic control system consider the state of railway infrastructure facilities. It is shown that it is necessary to consider the safe state of the infrastructure system in the train traffic control system. Possibilities of managing the risks of reduced reliability and safety of the transportation process are shown using stationary monitoring tools for railway infrastructure facilities. The improvement of monitoring technology and the effective use of stationary monitoring systems makes it practically possible to implement the function of managing reliability and safety of the transportation process and the entire railway complex.

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Burdzik, Rafał, Łukasz Konieczny, Bogusław Nowak, and Jacek Rozmus. "Research on vibration employed for the train traffic control." Vibroengineering PROCEDIA 14 (October 21, 2017): 227–32. http://dx.doi.org/10.21595/vp.2017.19237.

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Kaizuka, Yusuke, Ken-ichi Fukami, Satoshi Sasaki, and Toshihiko Ohba. "Automatic Train Group Control Operation using Traffic Forecasting System." IEEJ Transactions on Industry Applications 142, no. 5 (2022): 369–75. http://dx.doi.org/10.1541/ieejias.142.369.

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Sandblad, Bengt, Arne W. Andersson, and Simon Tschirner. "Information Systems for Cooperation in Operational Train Traffic Control." Procedia Manufacturing 3 (2015): 2882–88. http://dx.doi.org/10.1016/j.promfg.2015.07.793.

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Xun, Jing, Bin Ning, Tao Tang, and Hairong Dong. "Cooperative Control for Train Headway Adjustment in Railway Traffic." IFAC Proceedings Volumes 46, no. 25 (2013): 1–6. http://dx.doi.org/10.3182/20130916-2-tr-4042.00013.

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Bestemyanov, P. F., and L. A. Baranov. "Control Algorithms and Mathematical Modeling of Interval Train Traffic." Russian Electrical Engineering 94, no. 9 (2023): 621–24. http://dx.doi.org/10.3103/s1068371223090055.

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Lindblom, Jessica, Mikael Laaksoharju, and Rebecca Cort. "Roadmap for UX in future operational train traffic control." International Journal of Human Factors and Ergonomics 11, no. 1 (2024): 28–55. http://dx.doi.org/10.1504/ijhfe.2024.137097.

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Journal articles on the topic 'Train Traffic Control'

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