A multi-functional alarm processing system and method for a city rail transit integrated network management center
By introducing a multi-functional alarm processing system into the urban rail transit communication system, and utilizing complex network analysis and BIM models, a closed-loop management of alarm information throughout the entire process was achieved. This solved the problems of difficult fault location and repetitive alarms in operation and maintenance, and improved the automation and accuracy of fault handling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CRSC COMM & INFORMATION GRP CO LTD
- Filing Date
- 2024-12-05
- Publication Date
- 2026-07-14
AI Technical Summary
The operation and maintenance of existing urban rail transit communication systems suffer from a lack of trend prediction capabilities, reliance on manual experience, numerous repetitive alarms, a lack of scenario-based correlation, a lack of closed-loop management of alarm information, low efficiency in automated processing, and difficulty in fault location.
Design a multi-functional alarm processing system, including modules for information collection, electronic map, operation monitoring, alarm analysis, equipment history management and production scheduling. Through complex network analysis, alarm correlation is processed to achieve closed-loop management of equipment operation information throughout the entire process. The system uses BIM model to locate alarms, generates a 3D visualization network diagram, and supports real-time monitoring and SMS notification via handheld maintenance terminals.
It enables proactive fault prevention and rapid fault location, improves operation and maintenance efficiency, realizes closed-loop management of alarm information throughout the entire process, and improves the automation and accuracy of fault handling.
Smart Images

Figure CN119348676B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a multifunctional alarm processing system and method for an integrated urban rail transit network management center, belonging to the field of rail system alarm processing technology. Background Technology
[0002] The communication system has a centralized alarm processing device in the control center to collect, display, store, and print fault alarm information from various communication systems. This alarm terminal utilizes computer network technology and the computer's high-speed data processing capabilities to centrally monitor and manage alarms across all communication systems. It centrally reflects the operating status and alarm information of each system onto the alarm device, allowing authorized maintenance personnel to log in remotely or via a network platform, enabling them to quickly and accurately handle equipment faults in each system.
[0003] The centralized alarm processing system connects to more than a dozen communication subsystems, and displays a wide variety of devices, alarm categories, and alarm quantities. When faced with such a massive amount of information, operators need to be able to quickly and accurately grasp various faults.
[0004] With the continuous development of urban rail transit, the upgrading and replacement of dedicated communication systems is accelerating, and various systems are becoming increasingly complex, exhibiting characteristics of large-scale, intelligent, and digitalization. The wide variety of equipment and complex indicators bring new challenges to operation and maintenance work.
[0005] Currently, the operation and maintenance of rail transit communication systems face the following problems: Early detection of problems is difficult; fault handling relies on manual experience and lacks trend prediction capabilities; intelligent applications are scarce, and there is a lack of contextual correlation when facing massive and recurring alarms; alarm information lacks closed-loop management. Alarm handling involves a lot of manual intervention and little automated processing, resulting in low alarm flow efficiency, an inability to automate alarm event flow, and a lack of process tracking and closure. Summary of the Invention
[0006] To address the aforementioned issues, the purpose of this invention is to provide a multifunctional alarm processing system and method for urban rail transit integrated network management centers. This system streamlines the entire operation and maintenance process, achieves a closed loop between business and data, and enables effective execution and continuous governance of communication operation and maintenance.
[0007] To achieve the above objectives, the present invention proposes the following technical solution: a multi-functional alarm processing system for an urban rail transit integrated network management center, comprising: an information acquisition module, an electronic map module, an operation monitoring module, an alarm analysis module, an equipment history management module, and a production scheduling module; the information acquisition module is used to collect equipment operation information and alarm information; the electronic map module is used to locate the equipment corresponding to the alarm information and extract the equipment operation information of the equipment; the operation monitoring module is used to monitor the operation parameters of all equipment and generate equipment operation information or alarm information; the alarm analysis module is used to perform correlation analysis on alarm information, obtain the alarm generation order and dependency relationship between multiple alarm information, exclude secondary alarm information, and find the root cause alarm information; the equipment history management module is used to record, count, and manage equipment history information; the production scheduling module is used to realize equipment maintenance planning and closed-loop management based on the root cause alarm information, equipment history information, and equipment operation information.
[0008] Furthermore, the information acquisition module achieves interconnection with external systems through an Ethernet physical interface, using a unified data access protocol based on HTTP, while also supporting data access via multiple third-party protocols.
[0009] Furthermore, a site BIM model is created in the electronic map module, and all equipment is displayed in the BIM model and associated with the equipment, boards, and ports in the system to realize the mapping of physical location and system logical relationship to locate alarms.
[0010] Furthermore, the device corresponding to the alarm information flashes on the display screen of the electronic map module.
[0011] Furthermore, the alarm analysis module performs correlation analysis on alarms as follows: It collects alarm information from each communication subsystem in the urban rail transit system and determines the data collection content for each subsystem; it sums and merges alarm information within a time threshold before the alarm occurs to obtain the occurrence time of each alarm and the alarm information within the time threshold, and marks the alarm information under each communication subsystem; it performs correlation analysis on the alarm information of each communication subsystem to obtain the test results; it constructs an alarm information network analysis model based on the test results; it runs the alarm information network analysis model to obtain the attribute information of each alarm information in the network and visualizes it.
[0012] Furthermore, the test results include a correlation coefficient matrix and p-value and r-value test results; according to p-value... 0.01, r value A threshold of 0.5 is used to filter the data within the correlation coefficient matrix, and an alarm information network analysis model is constructed using the filtered coefficient matrix.
[0013] Furthermore, the method for obtaining and visualizing the attribute information of each alarm message in the network is as follows: A network graph is generated based on the attribute information of each alarm message in the network. The network graph includes nodes and edge information. Nodes represent each alarm type. The number of edges in each node represents the relevance weight of that alarm type. The degree centrality of a node represents the strength of the correlation between this alarm type and other alarm types. The betweenness centrality of a node reflects the bridging effect of this alarm system on other alarm systems. The weight of each edge in the network graph represents the degree of correlation between the alarm messages connected to that edge. The clustering coefficient in the global network attributes reflects the clustering of alarm systems, and the network density attribute represents the overall correlation between alarm messages. In the network graph, the current alarm is the most central node. The more relevant other alarm messages are to the current alarm node, the wider the connection between them and the current alarm node.
[0014] Furthermore, the equipment history management module automatically records and statistically analyzes the equipment in use, its board number, software version, number of failures, failure recovery time, and number of replacements. Based on the theory of full lifecycle management, it constructs a fusion data wide table for equipment assets through big data technology, enabling data concatenation, incremental updates, and horizontal expansion of equipment history information. The production scheduling module can initiate the handling process, generate maintenance work orders, and push them to relevant work teams.
[0015] Furthermore, the alarm processing system also includes a handheld maintenance terminal, which is used to receive work tasks generated based on alarm information, invoke the work tasks, input and fill in work information according to the actual maintenance situation, and transfer the work information to the background system after the work is completed, thereby realizing a complete closed loop of alarm management. At the same time, the handheld maintenance terminal can query equipment history information, equipment 3D visualization positioning and alarm correlation analysis, view the repair progress in real time, push fault location, equipment status and work order progress, and send alarm information to the mobile phones of maintenance personnel in the form of SMS via SMS module.
[0016] This invention also discloses a multi-functional alarm processing method for an urban rail transit integrated network management center, used in any of the aforementioned multi-functional alarm processing systems for an urban rail transit integrated network management center, comprising the following steps: collecting equipment operation information and alarm information from various communication subsystems; monitoring the equipment operation information and alarm information, issuing an alarm when there is data anomaly in the equipment operation information, generating alarm information, and sending it to maintenance personnel; obtaining detailed equipment location and information through a handheld maintenance terminal combined with an electronic map module, and obtaining root cause alarm information based on the analysis results of the alarm analysis module, generating alarm processing results, and entering work information; completing alarm processing, and updating equipment history information.
[0017] The technical solution of the present invention has at least the following technical effects or advantages:
[0018] End-to-end business closed loop: Connect the entire operation and maintenance business process, realize the business and data closed loop, and achieve effective execution and continuous governance of communication operation and maintenance.
[0019] 3D visualization monitoring: Compared with traditional page list monitoring, the 3D electronic map monitoring function adopted by the system allows users to check the equipment operating status more immersively and grasp all elements of the equipment in terms of space, time and current status.
[0020] Proactive fault prevention: The platform's various performance monitoring, alarm, and trend analysis functions can effectively improve fault early warning capabilities, enable early detection of anomalies, and provide a comprehensive understanding of equipment status;
[0021] Fault Assistance: When a device alarm occurs, the alarm information can be linked to relevant virtual devices in the electronic map module, allowing real-time monitoring of the alarm device's location and information. The device history management module allows viewing of the alarm device's history, providing insights into its origin. The alarm analysis module provides a clear view of the correlation between the alarm and other alarm messages, facilitating a deeper understanding of the internal relationships within the alarm system and the causes of the alarms. These multi-dimensional features help maintenance personnel quickly locate alarm devices and information, improving alarm handling efficiency. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the hardware structure of a multi-functional alarm processing system for an urban rail transit integrated network management center according to an embodiment of the present invention;
[0023] Figure 2 This is a flowchart of a multi-functional alarm processing method for an urban rail transit integrated network management center according to an embodiment of the present invention;
[0024] Figure 3 This is a schematic diagram of a network diagram in one embodiment of the present invention. Detailed Implementation
[0025] To enable those skilled in the art to better understand the technical solutions of the present invention, the present invention is described in detail through specific embodiments. However, it should be understood that the specific embodiments are provided only for a better understanding of the present invention and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terminology used is for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] To address the problems of existing industry communication system alarm processing systems, which primarily focus on fault alarm aggregation and lack guidance for subsequent handling, lack of closed-loop management of the entire process, and difficulty in locating faulty equipment, this invention proposes a multifunctional alarm processing system and method for urban rail transit integrated network management centers. This alarm processing system establishes an equipment history file for each device and board unit, recording basic information such as equipment name and model, and detailing fault maintenance records to assist maintenance personnel in alarm handling. Simultaneously, the alarm processing system designed in this invention provides a calculation method for processing the interrelationships between alarms using complex network analysis, assisting maintenance personnel in understanding the degree of correlation between different alarm information and quickly locating the root cause alarm. It can realize visualized business process management functions. Based on actual maintenance needs, a business processing flowchart is generated on the graphical interface, and trigger conditions are set. When the conditions are met, the corresponding operation can be automatically executed according to the process definition. This connects the entire maintenance business process, realizes a closed loop of business and data, and achieves effective execution and continuous governance of communication maintenance. The following detailed description of the invention's solution is provided in conjunction with the accompanying drawings and embodiments.
[0027] Example 1
[0028] This embodiment discloses a multi-functional alarm processing system for an urban rail transit integrated network management center, such as... Figure 1 As shown, the hardware of this alarm processing system includes several communication subsystems, a server, and a network management terminal. The communication subsystems include, but are not limited to, a transmission system, a public telephone system, a dedicated telephone system, a dedicated wireless system, a broadcasting system, a clock system, a video surveillance system, a passenger information system, a power supply system, and a centralized recording system. The communication subsystems are connected to a switch, via the switch server and the network management terminal. The server is the main alarm processing unit of the system, containing modular alarm processing system software modules, using a B / S architecture. The network management terminal can also be a handheld maintenance terminal, used for visual display of alarm information, sending alarm information to maintenance personnel's mobile phones via SMS, and receiving feedback alarm processing information. It should be noted that sending alarm information to maintenance personnel's mobile phones via SMS is only illustrative; it can also be sent to other mobile terminals, such as laptops. The SMS module is installed on the network management terminal, and the SMS module software application runs on the network management terminal device, listening for alarm SMS notification data in the middle of the message, obtaining alarm SMS notification data, and sending it to the designated user's mobile phone, thus realizing the alarm SMS notification function.
[0029] Handheld maintenance terminals are used for on-site maintenance management, enabling standardized and regulated management of frontline maintenance personnel's work. They receive work tasks generated based on alarm information, and maintenance personnel can use these terminals to receive system-assigned tasks, automatically invoke tasks, and input and report work information according to the actual maintenance situation. After the work is completed, the information is transferred to the backend system, achieving a complete closed loop of alarm management. Simultaneously, the handheld terminals can query equipment history information, equipment 3D visualization positioning, and alarm correlation analysis files, allowing real-time monitoring of repair progress, fault location push notifications, equipment status, and work order progress. This enables on-site personnel to simultaneously obtain the latest status of equipment and alarm sites, facilitating the prediction of fault handling solutions and improving the overall efficiency and accuracy of maintenance operations.
[0030] The alarm handling system software modules include: information acquisition module, electronic map module, operation monitoring module, alarm analysis module, equipment history management module, and production scheduling module.
[0031] The information acquisition module is used to collect equipment operation information and alarm information. It achieves interconnection with external systems via an Ethernet physical interface, using a unified data access protocol based on HTTP, while also supporting data access via various third-party protocols such as SNMP. It enables data access with the aforementioned communication subsystems and systems from different manufacturers and of different models.
[0032] The electronic map module is used for visual location and navigation of devices corresponding to alarm information and to extract device operation information. The electronic map module uses Revit BIM modeling software to create a site BIM model. All devices and alarms are displayed on the base map of the BIM model, and associated with devices, boards, and ports within the system to map physical location to system logical relationships for alarm location. This clearly locates the detailed location of faults, effectively shortening alarm location time and achieving accurate and rapid alarm location. It can mark the location of alarming devices on the electronic map and display structured data and alarm information. It supports displaying and retrieving intelligent analysis results on the electronic map. When a device generates an alarm, the device corresponding to the alarm information flashes on the electronic map module's display screen. This helps maintenance personnel accurately locate the location of alarming devices and understand their operation information.
[0033] The electronic map module provides electronic map functionality, displaying 3D views of stations, computer rooms, and cabinets, and associating them with information on devices, boards, and ports within each system. It clearly displays the detailed location information of alarm devices; it can mark the locations of alarm or warning devices on the electronic map and display structured data and alarm information. The system supports displaying and retrieving intelligent analysis results on the electronic map. When a device generates an alarm, the corresponding device terminal icon will flash on the electronic map. This helps maintenance personnel accurately locate alarm devices and understand device information.
[0034] The operation monitoring module is used to monitor the operating parameters of all equipment, generating equipment operation information or alarm information, including alarm information monitoring and equipment performance data monitoring. It performs real-time comprehensive analysis of alarm data and performance data from equipment within the communication system, achieving purposes such as performance threshold alarms and intelligent anomaly detection. Equipment performance data monitoring is used for long-term monitoring and early warning of long-term equipment performance change trends, enabling the early capture and pattern discovery of equipment change trends from a broader perspective.
[0035] The alarm analysis module is used to perform correlation analysis on alarm information. By analyzing the relationship between alarms, it can obtain the alarm generation order and dependency relationship between multiple alarms. It can provide support for the causal relationship between alarms and fault location, and can accurately locate the fault point. Especially when multiple alarms occur at the same time, the alarm analysis module can be used to find the root cause, eliminate secondary alarm information, and find the root cause alarm information.
[0036] The alarm analysis module performs correlation analysis on alarms using the following method:
[0037] Collect alarm information from various communication subsystems in urban rail transit, determine the data collection content of each communication subsystem, that is, determine the time of alarm occurrence, the system to which the alarm belongs, and the content of the alarm.
[0038] Alarm information within a time threshold before the alarm occurs is summed and merged to obtain the occurrence time of each alarm and the alarm information within the time threshold, and the alarm information under each communication subsystem is marked. In this embodiment, the time threshold is set to a range of 3 to 10 minutes.
[0039] Correlation analysis was performed on the alarm information of each communication subsystem to obtain the test results; the test results include the correlation coefficient matrix and the p-value and r-value test results; according to the p-value... 0.01, r value A threshold of 0.5 is used to filter the data within the correlation coefficient matrix, and an alarm information network analysis model is constructed using the filtered coefficient matrix.
[0040] Based on the test results, an alarm information network analysis model was constructed.
[0041] Run the alarm information network analysis model to obtain the attribute information of each alarm information in the network and visualize it.
[0042] The method for obtaining and visualizing the attribute information of each alarm message in the network is as follows:
[0043] Based on the attribute information of each alarm message in the network, a network diagram is generated, as shown in the diagram below. Figure 3 As shown, the network graph includes node and edge information, which are analyzed below. Nodes represent each alarm type. The number of edges in each node represents the relevance weight of that alarm type. The degree centrality of a node represents the strength of its correlation with other alarm types, and the betweenness centrality of a node reflects its bridging role in connecting other alarm systems. The weight of each edge in the network graph represents the degree of correlation between the alarm information connected to that edge. The clustering coefficient in the global network attributes reflects the clustering of alarm systems, and the network density attribute represents the overall correlation between alarm information. In the network graph, the current alarm is the most central node. The more relevant other alarm information is to the current alarm node, the closer it is to the current alarm node and the wider the connection between them.
[0044] Network graphs can be visualized based on the attribute information of network nodes and edges. Different colors can be used to represent the subsystems to which alarms belong in the network graph. By arranging the network graph, the categories and relationships of different alarm information can be displayed. Network analysis integrates alarm information from different subsystems into a single network graph, concisely displaying redundant data. Furthermore, it can automatically process the relationships between various alarm information based on time information, which helps in understanding the causes of alarms.
[0045] The Equipment History Management module is used to record, statistically analyze, and manage equipment history information. It provides unified management of equipment history, enabling automatic updates and maintenance. This includes automatically recording and statistically analyzing information such as board numbers, software versions, number of failures, failure recovery times, and replacement frequency for equipment in use. Based on the theory of full lifecycle management, it utilizes big data technology to construct a fusion data wide table for equipment assets, enabling data concatenation, incremental updates, and horizontal expansion of equipment operation information. This fusion data wide table organically links information from each stage of equipment lifecycle management, achieving comprehensive, end-to-end management of facility and equipment history data.
[0046] The production scheduling module is used to implement equipment maintenance planning and closed-loop management based on root cause alarm information, equipment history information, and equipment operation information. Based on alarm information and equipment operation information, the production scheduling module can initiate handling processes, generate maintenance work orders, and push them to relevant work teams.
[0047] This embodiment provides a closed-loop alarm management system. Based on alarm prompts or early warning information from the operation monitoring module, the production scheduling module can initiate the handling process in a timely manner, automatically generate maintenance work orders, and push them to relevant work teams via SMS. Relevant work teams can view alarm-related information through handheld maintenance terminals, provide feedback on alarm handling status through handheld maintenance terminals, and close work orders, thus forming a closed-loop alarm handling management system.
[0048] Example 2
[0049] Based on the same inventive concept, this embodiment discloses a multi-functional alarm processing method for an urban rail transit integrated network management center, and a multi-functional alarm processing system for an urban rail transit integrated network management center as described above, comprising the following steps:
[0050] S1 collects operational and alarm information from various communication subsystem devices;
[0051] S2 monitors equipment operation information and alarm information, and generates alarm information and sends it to maintenance personnel when there are abnormal data in the equipment operation information.
[0052] The S3 obtains detailed equipment location and information through a handheld maintenance terminal combined with an electronic map module, and obtains root cause alarm information based on the analysis results of the alarm analysis module, generates alarm processing results, and enters operation information.
[0053] S4 completes alarm processing and updates device history information.
[0054] The method in this embodiment uses complex network analysis to process the interrelationships between alarms in different systems of urban rail transit communication system equipment. It can gain in-depth insight into the degree of correlation between different alarm information when an alarm occurs, and help to locate the root cause alarm.
[0055] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
[0056] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.
[0057] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.
[0058] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.
[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific embodiments of the present invention. Any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention. The above content is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.
Claims
1. A multi-functional alarm processing system for an urban rail transit integrated network management center, characterized in that, include: Information collection module, electronic map module, operation monitoring module, alarm analysis module, equipment history management module, and production scheduling module; The information acquisition module is used to collect equipment operation information and alarm information; The electronic map module is used to locate the device corresponding to the alarm information and extract the device's operating information. The operation monitoring module is used to monitor the operating parameters of all equipment and generate equipment operation information or alarm information; The alarm analysis module is used to perform correlation analysis on alarm information, obtain the alarm generation order and dependency relationship between multiple alarm information, eliminate secondary alarm information, and find the root cause alarm information. The equipment history management module is used to record, compile, and manage equipment history information; The production scheduling module is used to realize equipment maintenance planning and closed-loop management based on root cause alarm information, equipment history information and equipment operation information; A site BIM model is created in the electronic map module, and all equipment is displayed in the BIM model and associated with the equipment, boards and ports in the system to realize the mapping of physical location and system logical relationship to locate alarms; The alarm analysis module performs correlation analysis on alarms using the following method: Collect alarm information from various communication subsystems in urban rail transit and determine the data collection content for each communication subsystem. Before an alarm occurs, alarm information within a time threshold is summed and merged to obtain the occurrence time of each alarm and the alarm information within the time threshold, and the alarm information under each communication subsystem is marked. Correlation analysis was performed on the alarm information of each communication subsystem to obtain the test results; Based on the test results, an alarm information network analysis model is constructed. Run the alarm information network analysis model to obtain the attribute information of each alarm information in the network and visualize it.
2. The multi-functional alarm processing system for an urban rail transit integrated network management center as described in claim 1, characterized in that, The information acquisition module achieves interconnection with external systems through an Ethernet physical interface, and supports data access based on the unified HTTP data access protocol, while also supporting data access from multiple third-party protocols.
3. The multi-functional alarm processing system for an urban rail transit integrated network management center as described in claim 2, characterized in that, The device corresponding to the alarm information will flash on the display screen of the electronic map module.
4. The multi-functional alarm processing system for urban rail transit integrated network management center as described in claim 1, characterized in that, The test results include a correlation coefficient matrix and p-value and r-value test results; according to p-value... 0.01, r value A threshold of 0.5 is used to filter the data within the correlation coefficient matrix, and an alarm information network analysis model is constructed using the filtered coefficient matrix.
5. The multi-functional alarm processing system for an urban rail transit integrated network management center as described in claim 1, characterized in that, The method for obtaining and visualizing the attribute information of each alarm message in the network is as follows: A network graph is generated based on the attribute information of each alarm message in the network. The network graph includes nodes and edges. Nodes represent each alarm type. The number of edges in each node represents the relevance weight of that alarm type. The degree centrality of a node represents the strength of the correlation between this alarm type and other alarm types. The betweenness centrality of a node reflects the bridging effect of this alarm system on other alarm systems. The weight of each edge in the network graph represents the degree of correlation between the alarm messages connected to that edge. The clustering coefficient in the global network attributes reflects the clustering of alarm systems, and the network density attribute represents the overall correlation between alarm messages. In the network graph, the current alarm is the most central node. The more relevant other alarm messages are to the current alarm node, the wider the connection between them.
6. The multi-functional alarm processing system for an urban rail transit integrated network management center as described in claim 1, characterized in that, The equipment history management module automatically records and statistically analyzes the equipment in use, its board number, software version, number of failures, failure recovery time, and number of replacements. Based on the theory of full lifecycle management, it constructs a fusion data wide table for equipment assets through big data technology, enabling data concatenation, incremental updates, and horizontal expansion of equipment history information. The production scheduling module can initiate the handling process, generate maintenance work orders, and push them to relevant work teams.
7. The multi-functional alarm processing system for an urban rail transit integrated network management center as described in claim 1, characterized in that, The alarm processing system also includes a handheld maintenance terminal, which is used to receive work tasks generated based on alarm information, invoke the work tasks, enter and fill in work information according to the actual maintenance situation, and transfer the work information to the background system after the work is completed, thus realizing a complete closed loop of alarm management. At the same time, the handheld maintenance terminal can query equipment history information, equipment 3D visualization positioning and alarm correlation analysis, view the repair progress in real time, push fault location, equipment status and work order progress, and send alarm information to the mobile phones of maintenance personnel in the form of SMS via SMS module.
8. A multi-functional alarm processing method for an urban rail transit integrated network management center, characterized in that, The multi-functional alarm processing system for an urban rail transit integrated network management center as described in any one of claims 1-7 includes the following steps: Collect operational and alarm information from various communication subsystems. The system monitors the equipment's operating information and alarm information, generates alarm information, and sends it to the maintenance personnel when there are abnormal data in the equipment's operating information. The system obtains detailed equipment location and information by combining a handheld maintenance terminal with an electronic map module, and obtains root cause alarm information based on the analysis results of the alarm analysis module, generates alarm handling results, and enters operation information. Complete alarm processing and update device history information.