Abstract
The monitoring and warning of urban rail transit is the core of operation management, and the breadth and depth of the monitoring range directly affect the quality of urban rail transit operation. For the current domestic monitoring system, most of the critical equipments and technologies are introduced from abroad; it is diseconomy, and also causes hidden danger. Realizing the localization of monitoring and early warning system is imperative. Based on the analysis of the present situation of urban rail transit operation safety at home and abroad, the paper proposes to use integrated technology to design basic framework of monitoring and warning system of urban rail train, and puts forward the critical technologies to realize the system. Compared with the existing monitoring system, the integrated monitoring system has the characteristics of wide monitoring range, clear division of labor, centralized management, coordination and integration operation and intelligent management, and embodies the concept of people-oriented. It has scientific significance for future construction of domestic Integrated Monitoring and Early Warning System (IMEWS) of urban rail transit.
Highlights
With the high-speed development of urban railway, the train operation control, traffic safety, running real-time monitoring and fault diagnosis, rapid and efficiency of train trouble shooting become the key elements of the development of the industry
In order to improve the efficiency of the data utilization and realize data-sharing and centralized management and control of every subsystem, the information integration and functional integration of the monitoring and early warning system of train operation which can help operation and management personnel monitor the operation of trains on the line more conveniently and safely is needed
This paper summarizes the existing integration technology; get of the key technologies of comprehensive monitoring system implementation of urban rail transit
Summary
With the high-speed development of urban railway, the train operation control, traffic safety, running real-time monitoring and fault diagnosis, rapid and efficiency of train trouble shooting become the key elements of the development of the industry. Comprehensive monitoring system of train safety is a complex systematic project; it needs taking the train control and management measures for various factors of train operation safety [2] It has not formed a complete integrated architecture to monitor the traffic operational conditions from multi-dimensions and multi-levels, and most of the existing train monitoring system analyzes only based on parts such as the collection, transmission, reliability evaluation, fault diagnosis and early warning of the equipment state, which is still in a scattered and immethodical state of system. These problems will be the bottleneck of restricting rapid development of urban rail transit. This paper will discuss the design of service framework, system framework, the system functions and the introduction of critical technologies
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