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Research of the High Speed Train Positioning Technologies Based on GNSS Technology

Author: ZhangJun
Tutor: WangGengSheng
School: East China Jiaotong University
Course: Applied Computer Technology
Keywords: GNSS Train positioning Information fusion CPF
CLC: TP202
Type: Master's thesis
Year: 2013
Downloads: 5
Quote: 0
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Abstract


In order to meet the goal of building Well-off society requires, Rail network to expandthe scale and improve the structure, improving quality, and rapid expansion of transportcapacity, the rapid increase in the level of equipment. Massive construction on high-speedrail’s role in promoting economic and social development are enormous, but with theexpansion of high-speed rail transport and traffic, high speed rail benefits growing problem.Next to the existing railway positioning relies heavily on rail equipment, on the costs forconstruction and maintenance of railway brought a lot of pressure, while technically difficultto meet the security needs of modern high speed trains running.Research in GNSS positioning for high speed train project in this article some of theunresolved issues. To investigate the CTCS3as the foundation, based on the high-speed trainGNSS multi-source information fusion positioning model, Analysis of the high speed trainoperation of the engineering characteristics, by the GNSS/INS primarily multi-sensorintegrated positioning method,proposing a more effective nonlinear mixed algorithm based onPF and CKF, solve the GNSS positioning validity. As a comparison, on the current GNSS/INSintegrated navigation commonly used in filtering algorithm, including the EKF, UKF, such asPF to carry on the detailed analysis, and put them in the GNSS/INS integrated navigationapplication to carry on the detailed analysis. On the current GNSS/INS integrated navigationcommonly used in filtering algorithm, including the EKF, UKF, such as PF to carry on thedetailed analysis, and put them in the GNSS/INS integrated navigation application to carry onthe detailed analysis. This paper studies for high-speed railway in our country listed controlsystem theory and application research lays the foundation, for high speed train positioningprocess modeling and optimization explore new ways.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > General issues > Design, performance analysis and synthesis
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