Gotowe bibliografie tematyczne / METRO TRAIN SYSTEM

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Gotowa bibliografia na temat „METRO TRAIN SYSTEM”

Autor: Grafiati

Data publikacji: 11 września 2023

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Artykuły w czasopismach na temat "METRO TRAIN SYSTEM"

Jiang, Jiqing, Beibei Dong, Zhi Ding, Gang Wei, He Zhang i Juan Liao. "Dynamic Analysis of Metro Train-Monolithic Bed Track System under Tunnel Differential Settlement". Shock and Vibration 2020 (4.06.2020): 1–12. http://dx.doi.org/10.1155/2020/5632180.

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The metro tunnel lines built in a soft soil area may suffer from tunnel differential settlement due to the high compressibility of soft soil, the engineering constructions nearby tunnel lines, and the cyclic load of metro trains. In this paper, a dynamic coupling model for a metro train-monolithic bed track system under tunnel differential settlement is established. A cosine function is introduced to simulate a real settlement curve measured from a metro tunnel in southern China, and the vibration performance of the train-track system under tunnel settlements is investigated in both the time domain and frequency domain. Based on the standards for the train safety and passengers’ comfort, the speed limit for the metro train traveling on a monolithic bed track with different settlement distributions are concluded. The present research could be useful for the operation and maintenance of metro tunnels in soft soil areas.

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Baranov, L. A. "AUTOMATIC CONTROL OF METRO TRAINS". World of Transport and Transportation 16, nr 3 (28.06.2018): 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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Liao, Jinlin, Feng Zhang, Shiwen Zhang i Cheng Gong. "A Real-Time Train Timetable Rescheduling Method Based on Deep Learning for Metro Systems Energy Optimization under Random Disturbances". Journal of Advanced Transportation 2020 (12.12.2020): 1–14. http://dx.doi.org/10.1155/2020/8882554.

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Considering that uncertain dwell disturbances often occur at metro stations, researchers have proposed many methods for solving the train timetable rescheduling (TTR) problem. This paper proposes a Modified Genetic Algorithm-Gate Recurrent Unit (MGA-GRU) method, which is a real-time TTR method based on deep learning. The proposed method takes the Gate Recurrent Unit (GRU) network as the decision network and uses the results produced by the Modified Genetic Algorithm (MGA) as the training set of the decision network. A well-trained decision network can provide effective solutions in real time after random disturbances occur, in order to optimize the net traction energy consumption of trains in metro systems. Based on the Shanghai Metro Line One (SML1) pilot network, this paper establishes a comprehensive model of the metro system as a training and testing environment to verify the energy-saving effect and real-time performance of the proposed method in solving the TTR problem. The experimental results show that in the two-train metro system, the three-train metro system, and the five-train metro system, the MGA-GRU method can save an average of energy by 4.45%, 6.16%, and 7.19%, while the average decision time is only 0.15 s, 0.27 s, and 0.33 s, respectively.

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Averchenkov, E. O., L. A. Baranov i M. A. Shevchenko. "Functional structure of the subway train traffic control system complex". Automation on Transport 7, nr 3 (wrzesień 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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He, Xuhui, Kehui Yu, Chenzhi Cai, Yunfeng Zou i Xiaojie Zhu. "Dynamic Responses of a Metro Train-Bridge System under Train-Braking: Field Measurements and Data Analysis". Sensors 20, nr 3 (29.01.2020): 735. http://dx.doi.org/10.3390/s20030735.

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This paper focuses on the dynamic responses of a metro train–bridge system under train-braking. Experiments were performed on the elevated Metro Line 21 of Guangzhou (China). A continuous, three-span, rigid-frame bridge (42 m + 65 m + 42 m) and a standard B-type metro train were selected. The acceleration signals were measured at the center-points of the main span and one side-span, and the acceleration signals of the car body and the bogie frame were measured simultaneously. The train–bridge system’s vibration characteristics and any correlations with time and frequency were investigated. The Choi–Williams distribution method and wavelet coherence were introduced to analyze the obtained acceleration signals of the metro train–bridge system. The results showed that the Choi–Williams distribution provided a more explicit understanding of the time–frequency domain. The correlations between different parts of the bridge and the train–bridge system under braking conditions were revealed. The present study provides a series of measured dynamic responses of the metro train–bridge system under train-braking, which could be used as a reference in further investigations.

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Ananthakumar, C., D. Edison Selvaraj i E. Krishnamoorthy. "Metro Train Safety and Ticket Checking System". International Journal of Science and Engineering Applications 8, nr 3 (21.02.2019): 90–92. http://dx.doi.org/10.7753/ijsea0803.1001.

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Hu, Shangmao, Yongcong Wu, Hai Qian, Gang Liu, Yi Zhang i Feng Yang. "Study on Characteristics of Electromagnetic Interference Caused by Metro Train Movement". Journal of Physics: Conference Series 2527, nr 1 (1.06.2023): 012034. http://dx.doi.org/10.1088/1742-6596/2527/1/012034.

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Abstract With the rapid development of the urban power grid and metro system, their mutual influence has become more and more serious. The dc magnetic bias of the transformer caused by the metro becomes the main research direction. In this paper, the characteristics of dynamic electromagnetic coupling between metro trains and transmission lines are studied. First, the motion equation of the metro is written out according to the running law of the train, and three coupling relations are given according to the position of the train. The calculation method of dynamic induced voltage is deduced. Then the influence of parallel length and distance between the metro and transmission line on induced voltage is studied. The dynamic induction voltage increases first and then decreases with the increase of the parallel length of the metro and transmission line and decreases with the increase of the distance between them. It is proposed that the electromagnetic coupling of a single train has limited influence on the dc magnetic bias of transmission lines, but the influence of dynamic electromagnetic coupling cannot be ignored when multiple trains are running simultaneously.

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Markevich, A. V., i V. G. Sidorenko. "An intelligent system for constructing metro train driver working schedules". Dependability 23, nr 3 (22.08.2023): 63–72. http://dx.doi.org/10.21683/1729-2646-2023-23-3-63-72.

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Aim. The paper aims to tests and analyse the results of application of an intelligent system for constructing metro train driver working schedules that is intended for automatically improving the efficiency of utilisation of the working time of metro train drivers. In this case, depending on the task at hand and the chosen criterion, efficiency is understood as a reduction of the number of drivers involved in the implementation of the specified standard train schedule, improved uniformity of alternation of driver work and rest periods, as well as reduction of the duration of down time within work shifts.Methods. The study presented in the paper uses the graph theory, recursive and heuristic algorithms.Results. The authors have developed recursive algorithms for preparing work schedules for main metro train drivers and substitute drivers that operate during main drivers’ lunch breaks. The developed algorithms are used in the intelligent system for metro train driver work schedule planning. The algorithm for generating main driver work schedule includes driver allocation to a number of work lines preliminarily defined based on the rolling stock operation schedule for the purpose of ensuring traffic according to the planned metro train schedule. The algorithm for generating substitute driver work schedule involves substitute driver work time planning based on the possibility of arranging lunch breaks for main drivers.Conclusion. The paper presents the results of a trial of the developed intelligent system for train driver work planning for the Moscow Metro using the example of the Zamoskvoretskoye Depot of the Zamoskvoretskaya Line, the Vykhino Depot of the Tagansko-Krasnopresnenskaya Line, as well as the results of the system’s adaptation to the Moscow Central Circle. It also presents a comparative analysis of driver work schedules, i.e., the actual one and one obtained using the developed intelligent system. The application of the developed system may enable as much as a 28% improvement of the efficiency of metro train drivers’ work hour use.

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Dong, Xing Jian, Sheng Xian Zhuang i Ai Ping Liu. "Implementation and Experiment Verification of a Metro Power Traction Simulator System". Applied Mechanics and Materials 130-134 (październik 2011): 2701–4. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2701.

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A metro power traction simulator system is designed and implemented. Designation method of the flywheels which simulate the metro vehicle moment inertia is given. A train runtime diagnosis system is completed by adopting MVB protocol. The dynamic simulation of metro power traction system is realized under the control of train runtime diagnosis system. The feasibility and utility are proved by the experiment results.

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Amit, Kumar, Singh Ankit, Pandey Adity i Srivastava Mansi. "Monitoring of driverless metro train using arduino UNO". i-manager’s Journal on Instrumentation and Control Engineering 10, nr 1 (2022): 1. http://dx.doi.org/10.26634/jic.10.1.18683.

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The world is advancing every day in terms of technology, making lives easier. The world is progressing with the modernization of technology exponentially. Each technology is gradually becoming automated, as technology used in transport. Transport is an absolute necessity for people. Thus, in the field of transport, there is also a constant improvement. Previously, trains were operated manually with the help of a driver. The problems encountered with the use of manually operated metro trains were inefficient in terms of the characteristics, such as speed, delay, etc. In addition, a single mistake made by the driver can lead to serious consequences. The main problem is that a manually operated metro train is out of control over time, which negatively affects the railway network management system. To solve this problem, the need for drivers is being eliminated by the concept of driverless metro trains. The advantages of an automated metro system are that the safety of passengers is under control, and the energy consumption is reduced, which improves its operation.

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Rozprawy doktorskie na temat "METRO TRAIN SYSTEM"

Ferreira, Martins Vânia. "Air quality in subway systems: particulate matter concentrations, chemical composition, sources and personal exposure". Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/399787.

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Air quality sampling campaigns both on platforms and inside trains of three European subway systems (Barcelona, Athens and Oporto) were conducted in order to characterise PM, investigating its variability, to better understand the main factors controlling it, and therefore the way to improve air quality. PM concentrations varied among the European subway platforms, and also within the same underground system, mainly associated to differences in the design of the stations and tunnels; system age; train frequency; ventilation and air-conditioning systems; passenger densities; power system (catenary vs. third rail); composition of wheels, rail tracks, brake pads and power supply materials; rail tracks geometry (curved vs. straight and sloped vs. levelled); and outdoor air quality. PM concentrations displayed clear diurnal patterns among the three European subway platforms, depending largely on the operation and frequency of the trains and the ventilation system. In the Barcelona subway system, the new stations showed on average lower PM concentrations than those in the old conventional stations, mainly related to the stations design (with platform screen door systems), but also due to the lower train frequency and more advanced ventilation setup. Furthermore, PM concentrations on the platforms in the colder period were higher than in the warmer period, mainly due to weaker ventilation during the colder period. In Athens, the mean PM concentrations in a new station located in the periphery of the line were lower than in a central station, attributed not only to the age and location of the station, but also to the lower train frequency. Measurements carried out in the three subway systems performed on stations with similar platform design were compared. The highest PM concentrations were observed in the Oporto subway station because the line is composed by curved and/or sloping rail tracks (resulting in a higher emission of rail wear particles) and it has a higher train frequency. Furthermore, mechanical forced ventilation is inexistent in this subway system. The use of air-conditioning inside the trains was an effective approach to reduce exposure levels, being more efficient removing coarser particles. Having the carriage windows open promotes the entrance of polluted air from tunnels and platforms into the trains. Nevertheless, even when the carriage windows are closed and the air conditioning system is switched on, the PM concentrations inside the trains continue to be greatly affected by the surrounding air quality conditions. Despite the lower PM2.5 (PM with aerodynamic diameter <2.5 µm) concentrations with respect to those on station platforms, the highest dose was observed inside the trains due to the longer exposure time. Overall, during a subway commuting travel, roughly 80% of the inhaled mass of subway PM2.5 was deposited in the respiratory tract. The dose, and its distribution on the different regions of the respiratory tract, is mainly dependent on the particle size and exposure concentrations. Chemically, subway PM2.5 on the platforms is comprised of iron, total carbon, crustal matter, secondary inorganic compounds, insoluble sulphate, halite and trace elements. Fe was the most abundant element in PM2.5 found on the platforms, with relative contribution to the bulk PM2.5 ranging from 19 to 46%, which is generated mainly from mechanical wear and friction processes at rail-wheel-brake interfaces. The trace elements with highest enrichment in the subway PM2.5 were Ba, Cu, Mn, Zn, Cr, Sb, Sr, Ni, Sn, As, Co and Zr. Differences in metal concentrations in PM among the stations and subway systems might be associated to the different chemical composition of wheels, rails, brakes, and power supply materials. A source apportionment analysis allowed the identification of outdoor (sea salt, fuel oil combustion and secondary) and subway sources on platforms, the latter including all emissions generated within the subway system.

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TIWARI, ANAND KUMAR. "ANALYSIS OF REGENERATION SYSTEM OF METRO TRAIN AND USE OF TECHNOLOGY ENHANCEMENT TO IMPROVE REGENERATION AND ENERGY SAVING MEASURES IN METRO TRAIN SYSTEM". Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16086.

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The global energy scenario and climatic changes have forced mankind to reorient the development model for minimizing energy needs and energy consumption. Energy conservation grows in importance worldwide in terms of preventing of global warming. The Transportation sector is one of the largest consumers of energy, with significant contribution to CO2 emissions. Transport emissions of today are over 30% higher than in 1990. By using energy efficient electric traction with regeneration capability and optimal vehicle design, Metro and Railway operators are continuously improving specific energy consumption and their environmental commitments. Adoption of multipronged strategies for minimizing energy consumption by analyzing each and every consumption point right from the vehicle manufacturing to its ultimate utilization and recycling is now considered essential. Since the subject is very wide in its scope, this paper covers those critical areas which need the attention of the designers and operators. For a well-integrated public transport system it is imperative that travel be as seamless as possible and offers a simple Integrated Reliable Energy Efficient Train System and operation. This is especially true when new modes of public transport such as BRT, Light Rail, and Mono Rail are introduced. To execute a seamless multi-modal integration, an electronic system for unified fare collection and indisputable settlement among operators is essential. Traction accounts for about 60-80% of the total energy consumption in a Metro system. The quantity of energy consumed by trains is influenced by a wide range of factors, train design being one of them. Hence, optimization of the overall system design in order to control consumption of electricity becomes essential. The modern design of Metro Rolling Stock incorporating three phase induction motors and Converter Inverters enable recovery of a major portion of consumed electricity by way of using regenerative braking. Metro railways worldwide have reported an average of about 20% saving in traction energy on account of regeneration. Regeneration also helps to reduce heat load inside tunnel and thus reduce Air Conditioning load. With increased awareness and commitment for the environment, Metros have also taken it as Green House Gas reduction initiative. Regenerated energy is mostly used by other trains powering in the network. The quality of regenerated power is important since the injected harmonics effect signalling, communication system and other loads connected on the grid. Power electronics contribute to saving energy with their highly efficient power conversion technologies, where power devices play central roles. Therefore, one design goal in Power Electronics is the reduction of losses in power devices. Silicon (Si) has been used as a conventional material for power devices. However, power devices fabricated using Si are approaching their performance limits. Silicon carbide (SiC) power devices are expected as next-generation alternatives to conventional Si power devices because they demonstrate overwhelming characteristics in terms of loss reduction for their exceptional material properties, such as a wider band gap, a higher critical electric field strength, and a higher thermal 5 conductivity. At present, most rail car inverters use Si diodes in an attempt to deliver both higher energy savings and enhanced performance. However, in order to achieve even higher performance gains, expectations have turned to SiC because it offers high voltage resistance, having 10 times greater dielectric breakdown strength. This enables the creation of thinner devices and, in turn, reduces resistance loss when developing the new compact SiC hybrid inverter. This paper will report on the status of a present system and provide a detailed analysis and proposed solution. The goal of the project is to propose how to utilize the new technology available and save the Energy to the extent possible.

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Cheng, Tain Szu, i 鄭天賜. "The Study of Train Control System Retrofit Methods in the Railway Vehicle System – The Example of Muzha Line Retrofit of Taipei Metro System". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/b3r8me.

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碩士
國立臺北科技大學
車輛工程系所
96
Different subsystems of metro system constructions in the top cities of world have different lifecycle. For civil work formulation there is fixed number of life years over hundred year for architectures, but for electronic and mechanical systems that formulation are only limited less than thirty-five years. Therefore, those over hundred year’s revenue service metro system, the vehicle and train automatic control system have a high retrofit and upgrade exceeding. From the point of the view of system retrofit technologies, it is an important issue of research topic planning retrofit train automatic control system witout any interference in daily revenue service. This thesis provides an analysis for renewing the conventional fixed block man less train operation system by a new generation of CBTC of moving block man less train operation system. The analysis is mainly based on author’s the experiences and participance of the retrofit Muzha Line of Taipei metro system. It is expected to find the solutions of existing and new interference problems of train control system, in order to make a clear picture of retrofit methods. The author expects this proposed solutions can be a useful reference of train control system retrofit for future processing in similar projects and events. The technologies of train control systems for railway waysides and onboard equipments have changed and developed day by day, especially the knowledge radio system has widely adopted in train control system to replace the traditional track circle train control system. That traditional train control system will be eliminated graduately in the competition with the radio train control system. Generally speaking, there is a tendency to use these radio technologies in the train control system and Communication based Train Control (CBTC) system will be the main choice when the former system need to be retrofitted. Therefore, it is a top issue to make the new system installation and commissioning without any interference to the existing system revenue service during the sysem retrofit period.

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Huan-Kuang, Chang, i 張煥光. "Analytic Time Delay Study of Train Failure Treatment Mode for MRT System - A Case Study of Metro Taipei". Thesis, 2003. http://ndltd.ncl.edu.tw/handle/93694150793715546417.

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碩士
國立臺灣科技大學
管理研究所
91
The major purpose of this dissertation is to clarify the train failure treatment procedure and delay time. Based on the system concept, FMEA method, and comprehensive MRT system we induced 8 modes of train failure treatment. Based on the work and time study we developed the optimistic, average, pessimism time standards for train subsystems. Through the case study of Metro Taipei and SPSS statistic analysis we summarized finding and suggestions of the correlated factors as environment, aging, human error, equipment, time value, operation for continuous improvement (CI). We also summarized our results and make some comments about future research.

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MENABENI, SIMONE. "Automatic Train Operation System for light rail and metro using a model-driven approach and Social Network Monitoring to quantify public attention on services and events". Doctoral thesis, 2016. http://hdl.handle.net/2158/1025470.

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The first part of the research was conducted within the project TRACE-IT in collaboration with ECM, with the Department of Industrial Engineering of the University of Florence and the Institute of Science and Technology of the CNR Pisa. The research project deals with the study, design, development and testing of systems of protection of the train running (Automatic Train Protection, or ATC Automatic Train Control, ATC) of railway vehicles that use leading edge technologies and are applicable both in the context of interoperable European Rail System and in applications of light rail and metro. In particular, the research has focused on protection systems and automatic drive of train in the field of light rail and subway called CBTC (Communication Based Train Control). In the second part of the research activity, has designed and built a platform for scanning Social Network: for the purpose are used the Twitter API to create a database of messages. This platform is developed by DISIT Lab of the University of Florence and allows to monitor Twitter channels and slow and explosive events on Twitter. This project is the result of a collaboration between UNIFI DISIT laboratory, CNR IBIMET and LAMMA to investigate and build specific metrics and a dashboard reliable to monitor the tweets that refer to the weather.

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Carvajal, Carreño William. "Efficient driving of CBTC ATO operated trains". Doctoral thesis, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-201723.

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Energy consumption reduction is one of the priorities of metro operators, due to financial cost and environmental impact. The new signalling system Communications-Based Train Control (CBTC) is being installed in new and upgraded metro lines to increase transportation capacity. But its continuous communication feature also permits to improve the energy performance of traffic operation, by updating the control command of the Automatic Train Operation (ATO) system at any point of the route. The present research addresses two main topics. The first is the design of efficient CBTC speed profiles for undisturbed train trajectory between two stations. The second takes into account the interaction between two consecutive trains under abnormal traffic conditions and proposes a tracking algorithm to save energy. In the first part of the research an off-line methodology to design optimal speed profiles for CBTC-ATO controlled trains is proposed. The methodology is based on a new multi-objective optimisation algorithm named NSGA-II-F, which is used to design speed profiles in such a way that can cover all the possible efficient solutions in a pseudo-Pareto front. The pseudo–Pareto front is built by using dominated solutions to make available a complete set of feasible situations in a driving scenario. The uncertainty in the passenger load is modelled as a fuzzy parameter. Each of the resulting speed profiles is obtained as a set of parameters that can be sent to the ATO equipment to perform the driving during the operation. The proposed optimisation algorithm makes use of detailed simulation of the train motion. Therefore, a simulator of the train motion has been developed, including detailed model of the specific ATO equipment, the ATP constraints, the traction equipment, the train dynamics and the track. A subsequent analysis considers the effect in the design of considering the regenerative energy flow between the train and the surrounding railway system. The second part of the research is focused on the proposal and validation of a fuzzy tracking algorithm for controlling the motion of two consecutive trains during disturbed conditions. A disturbed condition is understood as a change in the nominal driving command of a leading train and its consequences in the subsequent trains. When a train runs close enough to the preceding one, a tracking algorithm is triggered to control the distance between both trains. The following train receives the LMA (limit of movement authority) via radio, which is updated periodically as the preceding train runs. The aim of the proposed algorithm is to take actions in such a way that the following train could track the leading train meeting the safety requirements and applying an energy saving driving technique (coasting command). The uncertainty in the variations of the speed of the preceding train is modelled as a fuzzy quantity. The proposed algorithm is based on the application of coasting commands when possible, substituting traction/braking cycles by traction/coasting cycles, and hence saving energy. Both algorithms were tested and validated by using a detailed simulation program. The NSGA-II-F algorithm provided additional energy savings when compared to fixed block distance-to-go configurations, and giving a more even distribution of the solutions. The fuzzy tracking algorithm provides energy savings with a minor impact on running times while improving comfort, because of the reduction of the inefficient traction/braking cycles.

QC 20170216

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Części książek na temat "METRO TRAIN SYSTEM"

Canicosa, Troy, Jeremiah Medina, Benjamin Guzman, Benette Custodio i Alyssa Jean Portus. "Usability Evaluation of Ticketing System of Metro Manila Train Network". W Advances in Intelligent Systems and Computing, 591–602. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60492-3_56.

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Chengzhou, Huang, Li Yuezong, Zhang Jiahua, Xu Jianjun, Zhu Jinling, Zeng Li i Jiang Jin. "Research on Coupling Simulation Model of Metro Train Operation and Traction Power System". W Theory, Methodology, Tools and Applications for Modeling and Simulation of Complex Systems, 485–96. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2663-8_50.

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Yang, Yueyi, Xingwen Guan, Yinhu Liu i Bin Xue. "Health Assessment Method for Controller Area Network in Braking Control System of Metro Train". W Lecture Notes in Electrical Engineering, 41–50. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2914-6_5.

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Ran, Xinchen, Shaokuan Chen i Lei Chen. "An Integrated Energy-Efficient Scheduling and Train Control Model with Regenerative Braking for Metro System". W Green, Smart and Connected Transportation Systems, 283–98. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0644-4_22.

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Huang, Chengzhou, Jiahua Zhang, Yuezong Li, Li Zeng, Jianjun Xu i Jinling Zhu. "The Power Flow Simulation and Calculation Method for Metro Power Supply System Based on the Train-Network Coupling". W Theory, Methodology, Tools and Applications for Modeling and Simulation of Complex Systems, 514–25. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2663-8_53.

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Peleska, Jan, Anne E. Haxthausen i Thierry Lecomte. "Standardisation Considerations for Autonomous Train Control". W Lecture Notes in Computer Science, 286–307. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-19762-8_22.

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AbstractIn this paper, we review software-based technologies already known to be, or expected to become essential for autonomous train control systems with grade of automation GoA 4 (unattended train operation) in existing open railway environments. It is discussed which types of technology can be developed and certified already today on the basis of existing railway standards. Other essential technologies, however, require modifications or extensions of existing standards, in order to provide a certification basis for introducing these technologies into non-experimental “real-world” rail operation. Regarding these, we check the novel pre-standard ANSI/UL 4600 with respect to suitability as a certification basis for safety-critical autonomous train control functions based on methods from artificial intelligence. As a thought experiment, we propose a novel autonomous train controller design and perform an evaluation according to ANSI/UL 4600. This results in the insight that autonomous freight trains and metro trains using this design could be evaluated and certified on the basis of ANSI/UL 4600 .

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Amory, Jérôme. "Passenger’s Transport between Platform and Train within the Metro in Paris". W Complex Systems Design & Management, 191–206. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02812-5_14.

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Lai, Wenzhu, Dewang Chen, Yunhu Huang i Benzun Huang. "An Adaptive Model-Free Control Method for Metro Train Based on Deep Reinforcement Learning". W Advances in Natural Computation, Fuzzy Systems and Knowledge Discovery, 263–73. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-20738-9_31.

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Goswami, Saurav, Semina Mehjabin i Parismita A. Kashyap. "Driverless Metro Train with Automatic Crowd Control System". W Advances in Systems Analysis, Software Engineering, and High Performance Computing, 76–95. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8493-5.ch004.

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This chapter discusses about a prototype of Driverless Train Operation (DTO) mode. In DTO, driving is controlled and monitored automatically, without human assistance. A train attendant can intervene in emergencies. The automatic driving system takes care of the departure, the movement between two stations, and the automatic and precision stopping of the train and opening of the doors. If required, the door is automatically opened again. When passenger volume is high, additional trains are automatically sent into operation straight from the depot at the push of a button. The driverless metro train in our work is basically an embedded system based framework, which is designed to provide solutions for smooth a human machine interface while controlling high speed metro train using automated actuation and regulation mechanisms. In this work, the modeling of the metro train is done in a more precise way using an AVR microcontroller.

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Loginova, L. N., E. A. Seslavina i A. I. Seslavin. "ALGORITHM FOR TRANSITION FROM THE MOVEMENT OF A METRO TRAIN SYSTEM ON A CLOSED ROUTE ON THE RADIAL LINE TO THEIR ZONE MOVEMENT". W Intellectual Transport Systems, 252–57. Russian University of Transport, Moscow, Russian Federation, 2023. http://dx.doi.org/10.30932/9785002182794-2023-252-257.

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The article proposes and provides a mathematical justification for the algorithm for a uniform transition from the ring type of movement of a group of metro trains to zone movement. The traffic parameters are found that can be used to draw up a daily schedule for the movement of metro trains, taking into account the requirements for ensuring safe and comfortable travel for passengers.

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Streszczenia konferencji na temat "METRO TRAIN SYSTEM"

Pistone, Elisabetta, Hanno Töll i Thomas Hauser. "Continuous Monitoring System of Metro Lines to Assess Long-term Behaviour of Massive Train Wheels." W IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0425.

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<p>This paper presents the results of a continuous monitoring system placed on the Metro line in Vienna, Austria, aimed at assessing the long-term behaviour of massive train wheels. Until today, conventional resilient wheels are used on Viennese metro trains. However, it is planned to substitute this type of wheels with massive wheels.</p><p>Since 2016 three train sets were therefore equipped with massive wheels and let circulate in the underground railway network under trial runs. Nine measuring systems were installed within the metro network in the form of monitoring stations to continuously record data during these train passages. Selected indicators are permanently measured, post-processed and transmitted in real time to a web-interface accessible. On the basis of approximately 2,000 daily recorded trains, statistical analysis has been performed, thus providing information on train condition and on the impact of massive wheels.</p>

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Tomar, Basant, i Narendra Kumar. "Fuzzy Logic based Braking System for Metro Train". W 2021 International Conference on Intelligent Technologies (CONIT). IEEE, 2021. http://dx.doi.org/10.1109/conit51480.2021.9498360.

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Fei Lu i Mumin Song. "Study on Metro Train Operation Adjustment under Moving Block System". W 2006 6th World Congress on Intelligent Control and Automation. IEEE, 2006. http://dx.doi.org/10.1109/wcica.2006.1712379.

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Zhang, Yunfei, Li Li i Zhaowei Chen. "Influence of Fluctuating Gust on Metro Train-Bridge System with High Piers". W Second International Conference on Rail Transportation. Reston, VA: American Society of Civil Engineers, 2022. http://dx.doi.org/10.1061/9780784483886.013.

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Solis, Octavio, Frank Castro, Leonid Bukhin, David Turner, L. S. Brian Ng, Gary Thompson i Andrew Dombek. "LA Metro Red Line Wayside Energy Storage Substation Revenue Service Regenerative Energy Saving Results". W 2014 Joint Rail Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/jrc2014-3793.

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The Los Angeles County Metropolitan Transportation Authority (LA Metro) Red Line (MRL) provides heavy rail subway service with six-car trains at up to 65 mph, connecting downtown to the San Fernando Valley with weekday headways down to five minutes. MRL trains have either DC chopper propulsion or AC propulsion. Revenue service measurements at the busy Westlake/MacArthur Park station show that natural regeneration from braking trains to accelerating trains recoups 34% of the energy provided by nearby braking trains. The remaining 66% of the braking train energy is a candidate for capture and reuse. To capture and reuse this energy, Metro contracted with VYCON Inc. to design, supply, and integrate a flywheel Wayside Energy Storage Substation (WESS). WESS will capture and reuse train braking energy at the MRL Westlake traction power substation, located at the Westlake/MacArthur Park station. The project, funded by a grant from the Federal Transit Administration through its Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) Program under the American Recovery and Reinvestment Act (ARRA), is being cooperatively performed by Metro and VYCON. The initial WESS deployment is of a 2 MW rated system with a 15 s charge / discharge time, and an 8.33 kWh energy capacity. The WESS design allows easy expansion to a 6 MW rating. This paper presents results from initial MRL tests to measure regenerative energy savings which occur during revenue service operations, before installing the WESS.

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Meunier, Jeffrey K., i Amaury Rolin. "Autonomous Train Control and Track Circuit Inspection System". W 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2462.

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The Washington D.C. Metro utilizes an Automatic Train Control (ATC) system designed in the mid 1970’s. This ATC system employs passive track bed markers and antennas inductively coupled to the track to send and receive audio frequency control signals over the rails. The ATC system is only installed in revenue passenger cars and has never been installed on any other vehicle. Recently, a new inspection vehicle was delivered that includes an inspection module that interfaces with this train control system to inspect the control and track occupancy signals. This paper will discuss the challenges of designing a track circuit inspection system and retrofitting a refurbished ATC system designed for a revenue vehicle to a custom self propelled inspection car to ensure uniform inductive coupling over curved track, maintaining dynamic clearance envelop of the inspection car and design of custom broadband signal antennas to prevent interference. Additionally this paper will discuss the technical approach for conducting the inspection and results achieved during testing.

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Hasan, Alaa, Tarek ElGammal, Ryoichi S. Amano i Essam E. Khalil. "Flow Patterns and Temperature Distribution in an Underground Metro Station". W ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/es2018-7413.

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Accurate control of thermal conditions in large space buildings like an underground metro station is a significant issue because passengers’ thermal comfort must be maintained at a satisfactory level. The large eddy simulation (LES) model was adopted while using the computational fluid dynamics (CFD) software “STAR CCM+” to set up a CFD station model to predict static air temperature, velocity, relative humidity and predicted mean vote (PMV), which indicates the passengers’ thermal comfort. The increase in the number of passengers using the model station is taken into consideration. The studied cases covered all the possible modes of the station box, these modes are (1) the station box is empty of trains, (2) the presence of one train inside the station box, (3) the presence of two trains inside the station box. The objective is to bring the passengers’ thermal comfort in all modes to the acceptable level. The operation of under platform exhaust (UPE) system is considered in case of train presence inside the station box. The use of UPE is more energy efficient than depending entirely on the air conditioning system to maintain the thermal conditions comfortable.

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Sheu, Jih-Wen, i Wei-Song Lin. "Designing Automatic Train Regulation With Energy Saving by Using Dual Heuristic Programming". W 2011 Joint Rail Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/jrc2011-56027.

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Issues regarding environment sustainability and energy saving have been receiving concerns in worldwide railway society though railway system have been recognized as a transport mode of less environmental impact. Energy saving via train operation and regulation would be a cost-effective way and becomes a requirement while performing train operation and regulation. Automatic Train Regulation (ATR) plays an important role of maintaining the service quality of metro. However, designing ATR is a large scale optimization problem with high nonlinearity, heavy constraints, and stochastic characteristics. Considering issues regarding energy saving in the ATR design further complicates the problem. A metro traffic model which accounts for energy consumption is investigated in this paper. Thereby, Dual Heuristic dynamic Programming (DHP) technique is employed to design an optimal ATR with energy saving for metro line. Simulation tests of the ATR design were carried out with field data. Results show that better traffic regulation with less energy consumption is attainable through coasting and dwell time control.

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Baranov, L. A., E. P. Balakina, L. N. Loginova i Pavel Vorobiev. "Metro train operation control algorithms with regulation restrictions adaptive to system state changes". W 2014 11th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE). IEEE, 2014. http://dx.doi.org/10.1109/iceee.2014.6978283.

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Gao, Ting, Hai-Yan Zhu, Zhi-Gang Liu i Yuan-Chun Huang. "Design of Real-Time Monitoring System for Physiological Status of Metro Train Drivers". W 19th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482292.037.

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