Results 91 to 100 of about 238 (131)
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Joint Rail, 2005
New York City Transit (NYCT) has undertaken a program to install CBTC (Communications Based Train Control) technology. While this significant undertaking involves many subsystems, the most complex subsystem, both technically and from the logistics of implementation, is the carborne.
Rajee P. Alexander, Edwin A. Mortlock
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New York City Transit (NYCT) has undertaken a program to install CBTC (Communications Based Train Control) technology. While this significant undertaking involves many subsystems, the most complex subsystem, both technically and from the logistics of implementation, is the carborne.
Rajee P. Alexander, Edwin A. Mortlock
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2013 Joint Rail Conference, 2013
A trend has recently emerged in re-signaling projects, especially in Europe, where infrastructure managers of large commuter rails are facing a dilemma: “should we install CBTC (Communication Based Train Control) or ERTMS (European Rail Traffic, Management System) — or both?” These commuter rails often span over a large territory ...
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A trend has recently emerged in re-signaling projects, especially in Europe, where infrastructure managers of large commuter rails are facing a dilemma: “should we install CBTC (Communication Based Train Control) or ERTMS (European Rail Traffic, Management System) — or both?” These commuter rails often span over a large territory ...
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Automatic train operation in the CBTC system
WUT Journal of Transportation Engineering, 2020Rail transport adapts to the requirements of the modern agglomerations and provides solutions that ensure greater speed and capacity, while being environmentally friendly. Alternative means of rail transport as well as train control systems are proposed. The basis of innovative, effective, attractive and, above all, safe railway is a traffic automation,
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Studying Formal Methods Applications in CBTC
2011 International Conference on Management and Service Science, 2011Formal methods are mathematics-based techniques, often supported by reasoning tools, that can offer a rigorous and effective way to model, design and analyse computer systems. Up to now formal methods in railway systems have mostly been used for interlocking applications.
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Performance analysis of communication network for the CBTC system
2009 IEEE Intelligent Vehicles Symposium, 2009Communication based train control (CBTC) system is a safety critical system, and several factors in the system demand for new design and implementation solutions. Combining some software or hardware errors, a dual redundant network is proposed. Moreover, framework and working mode of the network are introduced.
null Yufei Xie, null Tao Tang
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Design and Implementation of Data Generation for CBTC
2012For the low efficiency of data generation in CBTC(Communication Based Train Control), this paper proposes a data generation method based on ObjectARX. On the basis of CAD graph data structure, and the data elements and data structure in CBTC, we design and realize the method of lane data generation for CBTC by means of C# program language and ObjectARX
Qiuli Dong, Youneng Huang, Wei Wang
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Wayside Communications: CBTC Data Communications Subsystems
IEEE Vehicular Technology Magazine, 2013This article will focus on how data communications subsystems (DCSs) provide radio frequency (RF) coverage, how they deal with and mitigate RF interference and multipath fading, and how they make use of sophisticated signal-processing techniques to improve performance in the face of a harsh propagation environment.
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Product Line Engineering Applied to CBTC Systems Development
2012Communications-based Train Control (CBTC) systems are the new frontier of automated train control and operation. Currently developed CBTC platforms are actually very complex systems including several functionalities, and every installed system, developed by a different company, varies in extent, scope, number, and even names of the implemented ...
Ferrari A +3 more
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A Game Framework to Secure Control of CBTC Systems
2020To meet the growing railway-transportation demand, researchers have designed a new train control system, communication-based train control (CBTC) system, to maximize the ability of train lines by reducing the headway of each train. However, wireless communications expose the CBTC system to new security threats.
Quanyan Zhu, Zhiheng Xu
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A method to improve the reliability of CBTC wireless link
IET International Communication Conference on Wireless Mobile & Computing (CCWMC 2009), 2009With the development of electronic communication technology, CBTC (communication based train control) has become the main method of automatic train control. Based on the results of several field tests in the tunnel, this paper analyses the performance and principle of OFDM wireless modulation method used in WLAN (wireless local area network) CBTC.
null Tan Changqing +2 more
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