| At present, China has become one of the most rapidly developing countries in urban mass transit. Since October 1, 1969 China‘s first subway line opened to traffic, especially since the beginning of the 90 years later, with China‘s rapid economic development, the demand of urban transport increased dramatically, promoting China‘s urban mass transit into the high-speed developing period. China’s urban rail transit industry is entering a new stage of development by leaps and bounds. The situation of network operators is taking shape. To solve the coordination line network-level operations, comprehensive monitoring and early warning prediction, construction of urban mass transit network underground command center has become a new trend in the field of security.As the important construction content, information of monitoring system of several different lines is integrated and comprehensive analysis of urban mass transit network command center. Based on this, the integration technologies of multi-source heterogeneous data and early waring technology is studied between different monitoring system of multi-line, multi-operator and multi-platform.This paper‘s main tasks include:Fistly, based on the analysis of the developmentstatus and trends of the currnet domestic and international urban mass transit, the necessity and urgency of urban mass transit network command center is clear. The construction status and development trend of major domestic and international urban mass tranit emergency command center are analysised. And the needs of a comprehensive early warning technology in the urban mass transit network command center is submitted.Secondly, the data integration needs of multi-line integrated monitoring system of different lines, different builders and different platform are analysised. After the comparement of several different plans, a data integration solution based on the sharing platform of multiple monitoring systems of urban mass transit is proposed.Thirdly, based on the analysis of historical comprehensive monitoring information, the characteristics of the data of equipment failures and passenger flow are analysised. Based on gray system theory, a model and forcasting method of equipment failure and passenger flow is proposed, the example calculations show the effectiveness of the model.Finally, combined with the implementation of the project requirements, a representative of the city subway is selected tovalidate the data integration method and the early warning technology of the command center. |