新疆北線高鐵風數(shù)據(jù)監(jiān)測采集與發(fā)布系統(tǒng)設計
[Abstract]:High-speed railway is an important part of modern transportation in China, and safe operation is the primary problem of high-speed railway. It is very important for the safe operation of high-speed railway to study the meteorological conditions along the railway, especially the problem of wind speed. In this paper, the meteorological early warning system along the railway line at home and abroad is compared and studied. Aiming at the actual situation of high-speed railway in Xinjiang, the main part of the wind data monitoring and warning system is designed by reinforcement test. The main contents of this paper are as follows: 1. The wind data acquisition system based on network control and data acquisition is designed, and the related hardware is built. 2. A custom network transport protocol based on TCP/IP master protocol is developed, and the related encryption of the transmitted data is completed. 3. The multi-database architecture of wind data monitoring and warning system is designed. Based on the database data, the built-in algorithm and early warning program are developed. 4. Based on the three-layer structure, the database call, data query and curve drawing of the monitoring and warning system WEB website are realized. The main features of this wind monitoring and early warning system are as follows: 1. The system uses three collectors to collect the relevant data of a collection point and transmit the data in the form of double transmission, which ensures the integrity of the data transmission process to the maximum extent. 2. The self-defined network transmission protocol based on TCP/IP protocol is developed independently to transmit and collect data to ensure that the data will not be leaked during the transmission process, which ensures the security requirements of train operation. It also improves the security, stability and confidentiality of monitoring data. 3.WEB website is set up with three-layer structure, which makes each layer structure relatively independent and ensures the security of data transfer. 4. Compared with the previous document data display, the WEB foreground data of this system is displayed in the form of graph, which enables the staff to observe the data more intuitively and concretely.
【學位授予單位】:新疆大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:U298
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