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The Development and Insititute of Remote Contron System of Railway for Teaching

Author: YangYongGang
Tutor: YangJiDong
School: Chongqing University
Course: Mechanical and Electronic Engineering
Keywords: railway remote control PLC network communication redundantly
CLC: U29-39
Type: Master's thesis
Year: 2005
Downloads: 100
Quote: 0
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Abstract

With the more rapid development of technology of railway electrification and constant improvement of operation tempo of the railway, the railway remote control gets extensive use. Meanwhile, the deepening application of the technology of the computer, the technology of industry control, the technology of network and communication etc in the railway telemechanical control make dependability and modernized degree of the electric power system of electric railway have drastic development. The researching,popularizing and applying the railway telemechanical control technology and need large quantities of high-quality professional technicians urgently. So training high-quality comprehensive applied talents that not only sure possess telemechanical control theory knowledge but also have the actual operative skills is already the question that paid close attention to and paid attention to all the time in universities and colleges’ teaching of railway of our country. This subject is developing a teaching system of the railway telemechanical control technology for experiments directing against this actual conditions railway. Combining actual conditions, this subject has researched and developed a teaching system of the railway remote control for experiments base on the PLC. The dispatching and managing targets of the railway remote control system is a substation of laboratory, the drawing power supply facilities of two simulation substations and a simulation plate. The system is composed of the control station equipments have stood in dispatcher, the move the data transmission channel and the controlled station equipments have stood in the substation of laboratory and simulation substation. It can simulate the substations, the zonal substations and switching substations that actual set up on the line and show their actual functional mode on the simulating plate. The system is a centralized monitoring multi computers telemechanical control network control system. Adopting pairs of machine back up technology and system intermittence switch automatically assure real-time and dependability of system. Network communication realizes real-time communication among dispatcher stations, remote control stations and simulating plate displayer. That’s to say dispatcher stations can send the orders (remote control signal) to the remote stations and receive and display the state (telesignalling and telemetering measurement signal) of the remote stations real-time. At the same time the state of the remote stations is conveyed to simulating plate to display. This system can imitate the real railway system and accord with the demand of the telemechanical control technology instructional experiments. Through this teaching system, students can understand the basic principle of the railway remote control system and know it basic operations .

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