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The Research and Development of Train Operation and Information Reliability

Author: ZhangWeiYi
Tutor: HuangWenJun
School: Zhejiang University
Course: Detection Technology and Automation
Keywords: Train operation monitoring device Redundant communication WinCE operating system Online updates Reliability
CLC: U29-39
Type: Master's thesis
Year: 2011
Downloads: 71
Quote: 0
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Abstract


Train control system of railway transport infrastructure , is to ensure the safety of train operation , to improve transport efficiency , key technology and equipment to achieve the railway unified command and dispatch . Train operation monitoring device (LKJ) is an important part of the train control system , by studying the existing plant operation monitoring and reliability of the information management problems , design new monitoring devices redundant structure and new car information update method . Firstly, design a monitoring device module-level redundant system structure , as well as distributed redundant CAN bus structure . Redundant CAN - based network , by monitoring and real-time analysis of network load rate monitoring device , designed to take advantage of the redundant serial screening information redundancy Transfer Protocol . Redundant structure and the realization of the agreement , which greatly improves the the train monitoring device system reliability , the train operation safety . Second , there is inconsistent versions of vehicle information the hidden and update cost of the original device , designed the new vehicle information management approach , namely the use of online programmable NOR FLASH saved ground-based data to removable mass storage device as an intermediary redundant CAN network controller and display the synchronous online update functionality , improved maintenance efficiency and reliability of the vehicle information . Then , for more than design , using WinCE operating system , train operation monitoring platform software based on a modular software design , research and development , the train operation monitoring , the reliability of the information management function . Finally, build train operation monitoring device system reliability , real-time monitoring platform software and software driving run , car update function test results show that the design has strong reliability , can effectively improve train monitoring the efficiency of the device information management .

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CLC: > Transportation > Rail transport > Rail transport management projects > Research methods, methods of work > Transportation management automation
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