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Tamping automatic guidance system design and implementation

Author: ZhangJiYan
Tutor: WangHaiRui
School: Kunming University of Science and Technology
Course: Applied Computer Technology
Keywords: Tamping PLC Digital / analog converter card Multithreading Data communication
CLC: U216.6
Type: Master's thesis
Year: 2008
Downloads: 59
Quote: 0
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Abstract

Since the eighties of last century, with the development of railway technology, our country in order to \Tamping series devices is one of the most important products, but also the entire road needs and equip the largest number of products. In tamping series devices, from the early D08-32 to the nearest D09-3X, equipped with AGC (Automatic Guiding Computer) to achieve a semi-automatic device operation. AGC is a computer system automatically calculated correction and compensation system to replace the manual calculation of the complex, the curve operation plays an important role. AGC's main role is in the tamping operation, will be pre-entered and stored in the line geometry data and revised data, according km target position is calculated tamping operation parameters of the current position of the operating system and as a system to Quantitative input operating system. For a long time, AGC supply mainly from the foreign partner PLASSER company imports, there is no independent research and development in the country of the AGC system. This design achieved tamping automatic guidance system to achieve the AGC system's main function, and according to the actual situation of China's railway made improvements. Based on the railway maintenance rules and user needs, for D08/09-32 tamping, tamping machine is designed and implemented automatic guidance system, the main contents are as follows: 1) a detailed analysis of the characteristics of the railway line data to study the \Technical management procedures \do not qualify for the rows of data caused the error immediately the font color to red, and gives reason for the error prompt. 2) the use of computer graphics technology, the data in the edit railway line, railway line graph changes with the data changes in real time, to help railway staff in data entry, can change at any time through the graphical intuitive judge the correctness of input lines; the locomotive operation, the railway line pattern and intuitive so that staff can observe tamping of the actual position on the line, and the position control in a variety of motorcycle tamping work parameters. 3) the use of computer control technology and communication technology, the connection between the computer tamping machine PLC or digital / analog converter card, realized the computer and tamping data communications. 4) the use of multi-threading technology, the foreground and background data interface display, conversion, communication simultaneously, so that the computer can real-time control tamping operations. For large maintenance machinery localization studies, this paper is just one small part of the future work, to continue to improve on a variety of locomotives on the basis of the AGC system, deepen the study of hardware locomotive control system, the progressive realization of large-scale conservation machinery complete localization.

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