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Research and Simulation on the Train-Borne ATP of CTCS3

Author: YangGuang
Tutor: WangChangLin
School: Southwest Jiaotong University
Course: Traffic Information Engineering \u0026 Control
Keywords: CTCS3 Train-borne ATP Safe Braking Model Spin Slide
CLC: U284.48
Type: Master's thesis
Year: 2010
Downloads: 681
Quote: 10
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Abstract


Our country’s high-speed railway has already been in the time of rapid development. In order to assure operation safety of high-speed railway, train operation control system that is advanced, safe, reliable and efficient is necessary. CTCS3 train control system is based on the wireless communication to implement the two-way information transmission between train-borne equipment and Radio Block Center (RBC), while ATP (Automatic Train Protection) is the core part of the whole train-borne equipment. ATP’s main task is to process integratedly train operation’s control information to generate distance to go model curve, monitor train speed and achieve ultimately the train’s automatic over-speed protection.Based on the analysis of the structure and function of CTCS3 train-borne equipment, this paper studies deeply in key algorithms and models of the ATP based on communication. Firstly, this paper describes the development and current status of domestic and international train control system and elaborates the development and current status of domestic train-borne equipment. Then on the basis of analyzing domestic and foreign typical ATP safe braking model, the two models are simulated respectively and the simulation results are compared. Against the affect of train’s spin and slide, this paper discusses the train-borne ATP’s detection method of two special operation conditions of spin strain and slide train, studies the method about the measuring speed and distance in the condition of spin and slide and amends accordingly the established safe braking model formerly.In order to verify the availability of domestic typical safe braking model, this paper analyzes the requirements of CTCS3 train control system equipment’s composition, function, interface and so on and simulates the train-borne ATP and DMI (Driver Machine Interface) to implement the main function about train-borne subsystem including synthesis of most restricted speed profile, the calculation of speed protection curve of different models, speed protection, mode switch and so on.

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CLC: > Transportation > Rail transport > Railway communication,signal > Railway signal > Section block and cab signal system > Train operation automation
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