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Study on the Digital Scheduling Communication System of Railway Integrated Services

Author: ShiWenZuo
Tutor: ZongQun
School: Tianjin University
Course: Control Theory and Control Engineering
Keywords: Railway dispatch communication system Networking Digital trunk Reliability
CLC: U285
Type: Master's thesis
Year: 2005
Downloads: 187
Quote: 4
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Abstract


Rail sections dispatch communications system is a train dispatcher for the command section and its jurisdiction within the station attendant business contacts between specialized communications equipment for the rail transport industry to provide real-time information to achieve unity of command of the important railway transportation means thus producing dispatch communications in rail transport plays a pivotal role. With the high-speed railway is accelerating the process , developed in line with China railway operator characteristics , with digital, integrated, flexible networking features such as dispatching communication system has a very important significance . This topic is based on digital telephone switching technology , time division multiplexing technology, optical transmission technology, computer control technology, research and the overall structure of railway digital dispatching system , establish scheduling system networking solutions , design of digital trunk interfaces, and for system reliability analysis . 1 of railway scheduling system user needs, the overall structure of the railway scheduling system , analysis of characteristics of various scheduling system composed of modules. 2 Research optical access network transmission technology , network self-healing technology, analytical transmission equipment, type of business and other factors on the impact of the railway dispatch communication networking , combined with the existing railway transport field conditions , the spirit of economy, reliability , security, flexibility, network construction principles , designed to fit along the railway line under a variety of complex equipment scheduling networking solutions. 3 based on time division multiplex system the frame structure , the frame synchronization requirements for a digital trunk interface circuit hardware and software design , implement voice, multiplexing control information , tap process for signal processing , the synchronization is complete , error detection alarm function and other indicators . 4 From the scheduling system unavailability , switched network blocking probability and digital relay protection and other aspects of capacity scheduling system reliability. 5 gives examples of specific applications digital dispatching system to verify the practicality of the design .

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CLC: > Transportation > Rail transport > Railway communication,signal > Railway Communication
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