Hydraulic engineering construction safety analysis system and method based on multi-source data fusion

Abstract

The invention relates to the technical field of safety management and control, in particular to a multi-source data fusion water conservancy project construction safety analysis system and method.The method comprises the steps that firstly, whether work starting can be conducted or not is judged according to an overall construction environment index, and construction progress data of the day are obtained and processed in the work starting state; the safety monitoring item vector and the safety monitoring equipment vector of the day are obtained, the safety monitoring equipment vector of the day comprises equipment keys and equipment values, the equipment keys represent equipment numbers, and the equipment values represent equipment safety values; then, a constructor positioning data set is obtained and processed, a constructor track point distribution map is obtained, clustering analysis is carried out, and a constructor gathering center is obtained; and obtaining and processing a safety monitoring item vector of the day, a constructor fatigue value and a water conservancy project monitoring value of the constructor gathering center to obtain an accumulated safety value in the region, and if the accumulated safety value is smaller than a preset safety threshold, sending out a safety early warning. Through the method provided by the invention, the monitoring efficiency of the construction safety of the water conservancy project is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of safety management and control, and in particular to a water conservancy project construction safety analysis system and method that integrates multi-source data. Background Art

[0002] Multi-source data fusion refers to the integration, analysis and optimization of data from multiple sources with different characteristics. Its purpose is to improve the intelligence and decision-making ability of the system by comprehensively processing multiple data; water conservancy project construction safety analysis is a method of systematically evaluating and managing risk factors in the construction process of water conservancy projects. Its purpose is to ensure the safety, stability and efficiency of the construction site.

[0003] In the construction of water conservancy projects, the use of multi-source data fusion technology for construction safety analysis can significantly improve the efficiency of risk identification, prediction and management.

[0004] Therefore, a water conservancy project construction safety analysis system and method based on multi-source data fusion is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a water conservancy project construction safety analysis system and method with multi-source data fusion. First, the overall construction environment index is calculated to determine whether construction can be started. After the start of construction, the data of construction personnel are collected and cluster analysis is performed to obtain the construction personnel gathering center. Then, the cumulative safety value in the area is calculated based on the construction personnel fatigue value, the equipment safety value of the construction equipment and the water conservancy project monitoring value of the construction personnel gathering center. If it is less than the preset safety threshold, a safety warning is issued for the corresponding construction personnel gathering center.

[0006] To achieve the above object, the present invention provides the following technical solutions: A multi-source data fusion method for water conservancy project construction safety analysis, including: Calculate the overall construction environment index based on the water conservancy project construction environment data. If the overall construction environment index is greater than the preset start-up threshold, construction cannot be started. Construction can only be started when the overall construction environment index is less than the preset start-up threshold. Furthermore, the overall construction environment index includes: The water conservancy project construction environment data includes meteorological data, hydrological data and geological data. The calculation formula of the overall construction environment index is: ; in, Represents the overall construction environment index, represents the weight coefficient of the meteorological index, represents the weight coefficient of the hydrological index, represents the weight coefficient of the geological index, Represents the weight coefficient of PM2.5, Represents the weather index, represents the hydrological index, represents the number of geological monitoring points, Indicates The geological index of each geological monitoring point, Indicates The geological index of the monitoring point at the previous monitoring moment, Indicates PM2.5 data.

[0007] In the start-up state, the construction progress data of the day is obtained and processed to obtain the safety monitoring project vector of the day; Furthermore, the daily safety monitoring project vector includes: The construction progress data for the day includes a construction task list, construction area, construction personnel, equipment distribution and construction progress; the construction progress data for the day is processed and extracted to obtain the safety monitoring items for the day, and the safety monitoring items for the day include exploration items, excavation items, drainage items, foundation items and concrete items; all the safety monitoring items for the day are obtained and merged to obtain the safety monitoring item vector for the day ,in Indicates The safety monitoring items for the day are as follows: ,in Indicates the number of safety monitoring items for the day.

[0008] Acquire and process the security monitoring items of the day to obtain the security monitoring equipment vector of the day for the security monitoring items of the day; the security monitoring equipment vector of the day includes an equipment key and an equipment value, the equipment key represents the equipment number, the equipment value represents the equipment safety value, and the equipment safety value is used to monitor the working status of the equipment; Furthermore, the safety monitoring equipment vector for the day includes: Get the The data of the safety monitoring project of the day are processed to obtain all the equipment required for the safety monitoring project of the day; the equipment and its data are obtained and processed to obtain the safety monitoring equipment vector of the day, and the vector length is ; The first vector of the safety monitoring equipment on that day The first element includes a device key and a device value. The device key represents the device; get the The operation data of each device is processed to obtain the device safety value, and the operation data includes device basic status data, device load status data, device operation data and device usage time.

[0009] Furthermore, the calculation formula of the equipment safety value is: ; in, represents the safety value of the device, The weight coefficient representing the device running time, Indicates the device operation time. Indicates the maximum operating time allowed for the device. Indicates the weight coefficient of the equipment load, Indicates the equipment load ratio, Represents the weight coefficient of the device temperature, Indicates the number of device temperature monitoring points. Indicates Data from each device temperature monitoring point, Indicates The data of each device temperature monitoring point at the previous monitoring time, The weight coefficient representing the number of operations, Indicates the number of device operations. Indicates the rated number of operations of the device.

[0010] Collecting and processing the positioning data of all construction workers at fixed intervals to obtain a construction worker positioning data set; acquiring and processing the construction worker positioning data set to obtain a construction worker trajectory point distribution map; performing cluster analysis on the points on the construction worker trajectory point distribution map to obtain a construction worker gathering center; Furthermore, the construction personnel gathering center includes: The construction workers are equipped with positioning equipment to obtain the past All construction workers’ location data within the time period, in the past At fixed intervals of time Collect the real-time location information of all construction workers to obtain the construction worker location data set ,in Indicates The location coordinates of the construction workers; Preprocessing the construction worker positioning data set to obtain a processed positioning data set; visualizing all positioning points on a two-dimensional plane according to the processed positioning data set to obtain a distribution map of the construction worker trajectory points; Cluster analysis is performed on the points on the construction personnel trajectory point distribution map to obtain the construction personnel gathering center.

[0011] Obtain and process the movement trajectory and working hours of the construction workers to obtain the fatigue value of the construction workers; Furthermore, the calculation formula of the construction worker fatigue value is: ; in, represents the fatigue value of the construction worker, represents the weight coefficient of the moving distance, Indicates the moving distance of the construction workers, Indicates the maximum moving distance, represents the weight coefficient of working hours, Indicates the working hours of construction workers. Indicates the maximum working time. Represents the weight coefficient of movement speed, Indicates the moving speed of the construction workers. Indicates normal movement speed. Represents an exponential function.

[0012] Acquire and process the monitoring data of the construction personnel gathering center to obtain the monitoring value of the water conservancy project; Furthermore, the calculation formula of the water conservancy project monitoring value is: ; in, represents the monitoring value of the water conservancy project, represents the weight coefficient of the engineering profile, represents the contour area deviation, represents the base contour area, represents the weight coefficient of the water conservancy project environment, Indicates the real-time vibration intensity. Indicates the maximum vibration intensity, Indicates the real-time noise decibel value, Indicates the maximum noise decibel value; Furthermore, if the monitoring value of the water conservancy project exceeds a preset threshold, a local warning is issued.

[0013] The safety monitoring project vector of the day, the fatigue value of the construction workers and the monitoring value of the water conservancy project in the area where the construction workers gather are obtained and processed to obtain the cumulative safety value in the area. If the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

[0014] Furthermore, the calculation formula of the cumulative safety value in the area is: ; in, Indicates the cumulative safety value in the area. represents the weight coefficient of the fatigue value of the construction workers, Indicates the number of construction workers in the area, Indicates The construction worker fatigue value of each construction worker, represents the weight coefficient of the safety value of the device, Indicates The first The device security value of the device, Indicates the number of items in the region, Indicates The number of devices in a project, represents the weight coefficient of the monitoring value of the water conservancy project, Indicates the area The monitoring value of the water conservancy project obtained by a monitoring and collection device, Indicates the number of monitoring and collection devices; Furthermore, if the accumulated safety value in the area is less than a preset safety threshold, a safety warning is issued.

[0015] The present invention also provides a water conservancy project construction safety analysis system with multi-source data fusion, comprising: The construction environment judgment module is used to calculate the overall construction environment index according to the water conservancy project construction environment data; if the overall construction environment index is greater than a preset threshold, construction cannot be carried out, and construction can be started until the overall construction environment index is less than the preset threshold; The equipment safety value calculation module includes a project unit and an equipment unit. The project unit is used to obtain and process the construction progress data of the day to obtain the safety monitoring project vector of the day; the equipment unit is used to obtain and process the safety monitoring project of the day to obtain the safety monitoring equipment vector of the day for the safety monitoring project of the day; the safety monitoring equipment vector of the day includes an equipment key and an equipment value. The equipment key represents the equipment number, and the equipment value represents the equipment safety value. The equipment safety value is used to monitor the working status of the equipment; The safety analysis module includes a gathering center calculation unit, a fatigue value calculation unit, a project monitoring unit and a safety judgment unit, wherein the gathering center calculation unit is used to collect the positioning data of all construction personnel at fixed intervals to obtain a construction personnel positioning data set; obtain the construction personnel positioning data set and process it to obtain a construction personnel trajectory point distribution map; cluster analysis is performed on the points on the construction personnel trajectory point distribution map to obtain the construction personnel gathering center; the fatigue value calculation unit is used to obtain the movement trajectory and working hours of the construction personnel and process them to obtain the fatigue value of the construction personnel; the project monitoring unit is used to obtain the monitoring data of the construction personnel gathering center and process it to obtain the water conservancy project monitoring value; the safety judgment unit is used to obtain the daily safety monitoring project vector, the construction personnel fatigue value and the water conservancy project monitoring value in the area of ​​the construction personnel gathering center for processing to obtain the cumulative safety value in the area; if the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Incorporating meteorological data, hydrological data, geological data and PM2.5 into the calculation of the overall construction environment index fully considers the impact of external environmental factors that may occur during the construction process. This fusion of multi-dimensional data can fully reflect the complexity of the construction environment, avoid assessment errors caused by single data, and provide a scientific and precise calculation process for the environmental safety assessment of water conservancy project construction, so as to achieve dynamic monitoring of the construction environment and automatically determine whether it is suitable to start construction based on the overall construction environment index.

[0017] 2. Real-time monitoring of construction equipment is carried out based on the safety monitoring equipment vector of the day. The equipment safety value can comprehensively evaluate the safety status of the equipment and detect abnormal equipment in time. By clustering the movement trajectories of all construction personnel, areas with dense personnel activities can be obtained for further safety monitoring. By obtaining the fatigue values ​​of construction personnel and the monitoring values ​​of water conservancy projects in the centers where construction personnel gather, real-time monitoring of areas with dense personnel activities can be achieved, which helps to improve construction efficiency and ensure construction safety.

[0018] 3. The cumulative safety value in the area integrates three key indicators: fatigue value of construction workers, safety value of equipment and monitoring value of water conservancy projects. It comprehensively covers the safety risks of three dimensions: people, equipment and environment during the construction process, realizes the integration of multi-dimensional data in the central area where construction workers gather and the comprehensive assessment of safety, and provides more accurate and real-time construction safety monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A flowchart of a water conservancy project construction safety analysis method of multi-source data fusion provided by an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a daily safety monitoring project vector provided by an embodiment of the present invention; Figure 3 A schematic diagram of the structure of a water conservancy project construction safety analysis system with multi-source data fusion provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1 When a construction unit was repairing a reservoir, it introduced a water conservancy project construction safety analysis method provided by the present invention using multi-source data fusion to conduct real-time monitoring to improve the safety of the water conservancy project construction process. The method flow is as follows: Figure 1 As shown, the specific implementation is as follows: First, collect the water conservancy project construction environment data and calculate the overall construction environment index; if the overall construction environment index is greater than a preset threshold, construction cannot be carried out; until the overall construction environment index is less than the preset threshold, construction can be started; Furthermore, the water conservancy project construction environment data includes meteorological data, hydrological data and geological data, and the calculation formula of the overall construction environment index is: ; in, Represents the overall construction environment index, represents the weight coefficient of the meteorological index, represents the weight coefficient of the hydrological index, represents the weight coefficient of the geological index, Represents the weight coefficient of PM2.5, Represents the weather index, represents the hydrological index, represents the number of geological monitoring points, Indicates The geological index of each geological monitoring point, Indicates The geological index of each monitoring point at the previous monitoring moment, Indicates PM2.5 data; Furthermore, the calculation formula of the meteorological index is: ; in, represents the weight coefficient of temperature, Indicates the construction environment temperature. Indicates the ambient temperature for construction. represents the weight coefficient of wind speed, Indicates the ambient wind speed, represents the weight coefficient of rainfall, Indicates rainfall; Furthermore, the calculation formula of the hydrological index is: ; in, represents the weight coefficient of the reservoir water level, Reservoir water level, Indicates the reservoir water level at the previous monitoring moment, represents the weight coefficient of water flow velocity, represents the water flow rate of the reservoir, represents the weight coefficient of groundwater level, Represents the groundwater level, Indicates the groundwater level at the previous monitoring moment.

[0022] Furthermore, the geological index refers to the surface settlement data of the geological monitoring point, which reflects the geological safety of the construction site by monitoring the surface settlement data of the construction site.

[0023] Table 1 shows the overall construction environment index at some time points. It can be seen that the conditions for starting construction are met after 8:15.

[0024] Table 1. Overall construction environment index at some time points Time Node Overall construction environment index Can we start work? 8:00 0.96 no 8:05 0.97 no 8:10 0.98 no 8:15 1.02 yes 8:20 1.03 yes The overall construction environment index is monitored in real time. Through meteorological data, hydrological data and geological data, comprehensive monitoring and evaluation of the construction environment of water conservancy projects are achieved. The safety of the construction environment can be accurately judged. When the overall construction environment index is lower than the threshold, an early warning to stop construction will be issued to avoid safety hazards or construction accidents caused by an environment that is not suitable for construction.

[0025] In the start-up state, the construction progress data of the day is obtained and processed to obtain the safety monitoring project vector of the day; Acquire and process the safety monitoring items of the day to obtain the safety monitoring equipment vector of the day for the safety monitoring items of the day; the safety monitoring equipment vector of the day includes an equipment key and an equipment value, the equipment key represents the equipment number, the equipment value represents the equipment safety value, and the equipment safety value is used to monitor the working status of the equipment; Furthermore, the structure of the daily safety monitoring project vector is as follows: Figure 2 As shown, including: The construction progress data for the day includes a list of construction tasks, construction areas, distribution of construction personnel and equipment, and construction progress; the construction progress data for the day is processed and extracted to obtain the safety monitoring items for the day, which include exploration items, excavation items, drainage items, foundation items, and concrete items; all safety monitoring items for the day are obtained and merged to obtain the safety monitoring item vector for the day ,in Indicates The safety monitoring items for the day are as follows: ,in Indicates the number of safety monitoring items for the day.

[0026] By processing the construction progress data of the day and obtaining the safety monitoring project vector of the day, the safety status of the construction site can be managed in a systematic and refined manner, the comprehensiveness of safety monitoring can be improved, and the difficulty and workload of safety management can be reduced.

[0027] Furthermore, the safety monitoring equipment vector for the day includes: Get the The data of the safety monitoring project of the day are processed to obtain all the equipment required for the safety monitoring project of the day, and the equipment and its data are obtained and processed to obtain the safety monitoring equipment vector of the day, and the vector length is ; Figure 2 Elements in The first vector of the safety monitoring equipment on that day An element, including a device key and a device value, wherein the device key represents the device; get the The operation data of each device is processed to obtain the device safety value, and the operation data includes device basic status data, device load status data, device operation data and device usage time.

[0028] Furthermore, the basic status data includes temperature, etc., the load status data refers to the operating power of the equipment, and the equipment operation data refers to the number of times the equipment is used on that day.

[0029] As shown in Table 2, some data in the daily safety monitoring equipment vector corresponding to the third daily safety monitoring project in the daily safety monitoring project vector, that is, the foundation project, are greater than the preset threshold of 0.8, which can clearly show the project progress and real-time monitoring of the equipment.

[0030] Table 2. Display of some data in the safety monitoring equipment vector on that day Device Name Equipment safety value Excavator 1 0.83 Excavator 2 0.87 Bulldozer 1 0.87 Bulldozer 2 0.93 Bulldozer 3 0.91 Monitoring and analyzing the construction machinery and equipment in the day's safety monitoring project can significantly improve the accuracy of equipment management, the safety of the construction process and the controllability of the construction progress; at the same time, the real-time update and display of equipment safety values ​​provide construction managers with a clear and quantitative decision-making basis, thereby comprehensively ensuring the efficiency and safety of the construction site.

[0031] Furthermore, the calculation formula of the equipment safety value is: ; in, represents the safety value of the device, The weight coefficient representing the device running time, Indicates the device operation time. Indicates the maximum operating time allowed for the device. Indicates the weight coefficient of the equipment load, Indicates the equipment load ratio, Represents the weight coefficient of the device temperature, Indicates the number of device temperature monitoring points. Indicates The data of each device temperature monitoring point at the current moment, Indicates The data of each device temperature monitoring point at the previous monitoring time, The weight coefficient representing the number of operations, Indicates the number of device operations. Indicates the rated number of operations of the device.

[0032] The calculation process of the equipment safety value takes into account multiple factors such as operating time, equipment load, equipment temperature changes and number of operations, and conducts a comprehensive quantitative evaluation of the equipment, which can more truly and comprehensively reflect the operating status of the equipment and avoid misjudgment caused by a single indicator. It also monitors the equipment safety value in real time, provides timely and effective data for the equipment, and provides data support for intelligent construction management.

[0033] Collecting the positioning data of all construction workers at fixed intervals to obtain a construction worker positioning data set; obtaining and processing the construction worker positioning data set to obtain a construction worker trajectory point distribution map; performing cluster analysis on the points on the construction worker trajectory point distribution map to obtain a construction worker gathering center; Furthermore, the construction workers are equipped with positioning equipment to obtain the past The location data of the construction workers within the time window in the past At fixed intervals of time Collect the real-time location information of all construction workers during the construction of the water conservancy project and obtain the construction worker location data set ,in Indicates The location coordinates of the construction workers; Preprocessing the construction worker positioning data set, including denoising and removing abnormal points that obviously deviate from the actual trajectory, to obtain a processed positioning data set; visualizing all positioning points on a two-dimensional plane according to the processed positioning data set to generate a construction worker trajectory point distribution map; Performing cluster analysis on the points on the construction personnel trajectory distribution map to obtain the construction personnel gathering center; the clustering algorithm includes K-means algorithm and DBSCAN algorithm; Furthermore, the construction worker gathering center indicates an area where a large number of construction workers gather; Furthermore, if the K-means algorithm is used, the number of clusters is greater than the length of the vector of the safety monitoring items of the day. ; Furthermore, if the DBSCAN algorithm is used, the domain radius and the minimum number of clustering points are set; the domain radius is set in combination with the actual data characteristics, such as the average distance of the historical construction personnel positioning data set, and the minimum number of clustering points is set based on the density of the construction scene.

[0034] Furthermore, through cluster analysis, the set of construction worker cluster centers in the construction scene can be obtained. ,in Indicates The construction workers gather at the center. ,in Represents the number of construction worker gathering centers.

[0035] Through cluster analysis of positioning data, it is possible to identify the gathering centers of construction personnel and clarify the areas where personnel are concentrated, providing real-time data basis for subsequent construction management and safety analysis.

[0036] Obtain and process the movement trajectory and working hours of the construction workers to obtain the fatigue value of the construction workers; Furthermore, the calculation formula of the construction worker fatigue value is: ; in, represents the fatigue value of the construction worker, represents the weight coefficient of the moving distance, Indicates the moving distance of the construction workers, Indicates the maximum moving distance, represents the weight coefficient of working hours, Indicates the working hours of construction workers. Indicates the maximum working time. Represents the weight coefficient of movement speed, Indicates the moving speed of the construction workers. Indicates normal movement speed. Represents an exponential function.

[0037] By obtaining data such as the movement trajectory and working hours of the construction workers, and combining it with the calculation formula of the construction workers' fatigue value, the fatigue level of each construction worker can be dynamically evaluated. The larger the construction worker's fatigue value, the more tired the construction worker is, ensuring that the construction workers' working status is understood at all times.

[0038] Acquire and process the monitoring data of the construction personnel gathering center to obtain the monitoring value of the water conservancy project; Furthermore, the calculation formula of the water conservancy project monitoring value is: ; in, represents the monitoring value of the water conservancy project, represents the weight coefficient of the engineering profile, represents the contour area deviation, represents the base contour area, represents the weight coefficient of the water conservancy project environment, Indicates the real-time vibration intensity. Indicates the preset maximum vibration intensity. Indicates the real-time noise decibel value, Indicates the preset maximum noise decibel value; Furthermore, if the monitoring value of the water conservancy project exceeds a threshold, a local early warning is issued.

[0039] Furthermore, the engineering contours in the surveillance video data of the construction personnel gathering center are scanned and processed using existing technologies, such as 3D software and point cloud processing tools, to generate real-time contour area ; Baseline contour area It can be extracted from engineering design drawings or construction plans; Furthermore, the contour area deviation can be calculated .

[0040] Furthermore, vibration sensors such as seismographs or accelerometers are deployed at the construction site to monitor ground vibrations; noise sensors or decibel meters are deployed at the construction site to monitor the environmental noise generated by the construction in real time.

[0041] Through video data and other data, real-time monitoring of projects where construction workers gather can be achieved to prevent safety issues such as collapse and improve the real-time and accuracy of project safety management.

[0042] The daily safety monitoring project vector, construction worker fatigue value and water conservancy project monitoring value contained in the area of ​​the construction worker gathering center are obtained and processed to obtain the cumulative safety value in the area. If the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

[0043] Furthermore, the Euclidean distance between the cluster center and each point in the cluster is calculated, and the maximum or average value of the distance is used as the region radius.

[0044] Furthermore, the calculation formula of the cumulative safety value in the area is: ; in, Indicates the cumulative safety value in the area. represents the weight coefficient of fatigue value, Indicates the number of construction workers in the area, Indicates The construction worker fatigue value of each construction worker, represents the weight coefficient of the safety value of the device, Indicates The first The device security value of the device, Indicates the number of items in the region, Indicates The number of devices in a project, represents the weight coefficient of the monitoring value of the water conservancy project, Indicates the area The monitoring value of the water conservancy project obtained by a monitoring and collection device, Indicates the number of monitoring and collection devices in the construction personnel gathering center.

[0045] Furthermore, if the accumulated safety value in the area is less than a preset safety threshold, an early warning is issued.

[0046] Furthermore, as shown in Table 3, the monitoring results of the cumulative safety values ​​in the area where some construction workers gather are shown. From the real-time monitoring results, it can be seen that they are all greater than the preset safety threshold of 0.8, and all are under normal construction without any safety problems.

[0047] Table 3. Cumulative safety values ​​in some areas where construction workers gather

[0048] The cumulative safety value in the area integrates three key indicators: construction worker fatigue value, equipment safety value and water conservancy project monitoring value. It comprehensively covers the safety risks in the three dimensions of people, equipment and environment during the construction process, realizes the integration of multi-dimensional data of construction worker gathering centers and comprehensive safety assessment, and provides more accurate and real-time construction safety monitoring.

[0049] A multi-source data fusion water conservancy project construction safety analysis method provided by the present invention first determines whether it is suitable to start construction by calculating the overall construction environment index, so as to avoid construction accidents caused by the environment being unsuitable for construction; then, real-time monitoring of construction equipment is achieved by calculating the equipment safety value; by identifying the construction personnel gathering center, the area with dense personnel distribution can be obtained, and then the cumulative safety value in the area of ​​the construction personnel gathering center is calculated to determine whether there are safety hazards in the densely populated area, thereby achieving more accurate and real-time safety monitoring and improving the safety monitoring efficiency during the water conservancy project construction process.

[0050] Embodiment 2 During the construction of the reservoir, the present invention also provides a water conservancy project construction safety analysis system with multi-source data fusion to improve the safety of the construction. The system structure is as follows: Figure 3 As shown, the specific implementation is as follows: The system mainly includes a construction environment judgment module, an equipment safety value calculation module and a safety analysis module.

[0051] Furthermore, the construction environment judgment module is used to calculate the overall construction environment index based on the monitoring water conservancy project construction environment data; if the overall construction environment index is greater than a preset threshold, construction cannot be carried out, until the overall construction environment index is less than the preset threshold, then construction can be started; Furthermore, the calculation formula of the overall construction environment index is: ; in, Represents the overall construction environment index, represents the weight coefficient of the meteorological index, represents the weight coefficient of the hydrological index, represents the weight coefficient of the geological index, Represents the weight coefficient of PM2.5, Represents the weather index, represents the hydrological index, represents the number of geological monitoring points, Indicates The geological index of each geological monitoring point, Indicates The geological index of each monitoring point at the previous monitoring moment, Indicates PM2.5 data.

[0052] Further, the equipment safety value calculation module includes a project unit and an equipment unit; Furthermore, the project unit is used to obtain and process the construction progress data of the day to obtain the safety monitoring project vector of the day; Further, the device unit is used to obtain and process the safety monitoring items of the day, and obtain the safety monitoring device vector of the day for the safety monitoring items of the day; the safety monitoring device vector of the day includes a device key and a device value, the device key represents the device number, the device value represents the device safety value, and the device safety value is used to monitor the working status of the device; Furthermore, the calculation formula of the equipment safety value is: ; in, represents the safety value of the device, The weight coefficient representing the device running time, Indicates the device operation time. Indicates the maximum operating time allowed for the device. Indicates the weight coefficient of the equipment load, Indicates the equipment load ratio, Represents the weight coefficient of the device temperature, Indicates the number of device temperature monitoring points. Indicates The data of each device temperature monitoring point at the current moment, Indicates The data of each device temperature monitoring point at the previous monitoring time, The weight coefficient representing the number of operations, Indicates the number of device operations. Indicates the rated number of operations of the device.

[0053] Furthermore, the safety analysis module includes a gathering center calculation unit, a fatigue value calculation unit, an engineering monitoring unit and a safety judgment unit.

[0054] Furthermore, the clustering center calculation unit is used to collect the positioning data of all construction workers at fixed intervals to obtain a construction worker positioning data set; obtain the construction worker positioning data set and process it to obtain a construction worker trajectory point distribution map; perform cluster analysis on the points on the construction worker trajectory point distribution map to obtain the construction worker clustering center; Furthermore, the fatigue value calculation unit is used to obtain and process the movement trajectory and working time of the construction personnel to obtain the fatigue value of the construction personnel; Furthermore, the calculation formula of the construction worker fatigue value is: ; in, represents the fatigue value of the construction worker, represents the weight coefficient of the moving distance, Indicates the moving distance of the construction workers, Indicates the maximum moving distance, represents the weight coefficient of working hours, Indicates the working hours of construction workers. Indicates the maximum working time. Represents the weight coefficient of movement speed, Indicates the moving speed of the construction workers. Indicates normal movement speed. Represents an exponential function.

[0055] Table 4. Construction worker fatigue values ​​of some construction workers Time Node Construction worker number Construction worker fatigue value 11:23 A1 0.37 11:23 A2 0.45 11:23 A3 0.38 11:23 A4 0.42 11:23 A5 0.48 Table 4 shows the fatigue values ​​of some construction workers at 11:23, all of which indicate normal work.

[0056] Furthermore, the engineering monitoring unit is used to obtain and process the monitoring data of the construction personnel gathering center to obtain the water conservancy engineering monitoring value; Furthermore, the calculation formula of the water conservancy project monitoring value is: ; in, represents the monitoring value of the water conservancy project, represents the weight coefficient of the engineering profile, represents the contour area deviation, represents the base contour area, represents the weight coefficient of the water conservancy project environment, Indicates the real-time vibration intensity. Indicates the preset maximum vibration intensity. Indicates the real-time noise decibel value, Indicates the preset maximum noise decibel value.

[0057] Furthermore, the safety judgment unit is used to obtain the daily safety monitoring project vector, construction worker fatigue value and water conservancy project monitoring value in the area where the construction workers gather, and process them to obtain the cumulative safety value in the area. If the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

[0058] Furthermore, the calculation formula of the cumulative safety value in the area is: ; in, Indicates the cumulative safety value in the area. represents the weight coefficient of fatigue value, Indicates the number of construction workers in the area, Indicates The construction worker fatigue value of each construction worker, represents the weight coefficient of the safety value of the device, Indicates The first The device security value of the device, Indicates the number of items in the region, Indicates The number of devices in a project, represents the weight coefficient of the monitoring value of the water conservancy project, Indicates the area The monitoring value of the water conservancy project obtained by a monitoring and collection device, Indicates the number of monitoring and collection devices in the construction personnel gathering center.

[0059] Table 5. Cumulative safety values ​​in some areas where construction workers gather Construction Workers Gathering Center Number Cumulative safety value in the area B001 0.98 B002 0.97 B003 0.93 B004 0.96 B005 0.98 As shown in Table 5, the cumulative safety values ​​in the areas where some construction workers gather are all greater than the preset safety threshold of 0.9, and are all in normal working condition. Through the water conservancy project construction safety analysis system with multi-source data fusion provided by the present invention, efficient monitoring of the water conservancy project construction process is achieved, and the safety of construction is improved.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-source data fusion method for water conservancy project construction safety analysis, characterized in that: include: Calculate the overall construction environment index based on the water conservancy project construction environment data. If the overall construction environment index is greater than a preset start-up threshold, the construction cannot be started. The construction can only be started when the overall construction environment index is less than the preset start-up threshold. In the start-up state, the construction progress data of the day is obtained and processed to obtain the safety monitoring project vector of the day; Acquire and process the security monitoring items of the day to obtain the security monitoring equipment vector of the day for the security monitoring items of the day; the security monitoring equipment vector of the day includes an equipment key and an equipment value, the equipment key represents the equipment number, the equipment value represents the equipment safety value, and the equipment safety value is used to monitor the working status of the equipment; Collecting and processing the positioning data of all construction workers at fixed intervals to obtain a construction worker positioning data set; acquiring and processing the construction worker positioning data set to obtain a construction worker trajectory point distribution map; performing cluster analysis on the points on the construction worker trajectory point distribution map to obtain a construction worker gathering center; Obtain and process the movement trajectory and working hours of the construction workers to obtain the fatigue value of the construction workers; Acquire and process the monitoring data in the area where the construction workers gather to obtain the monitoring value of the water conservancy project; The safety monitoring project vector of the day, the fatigue value of the construction workers and the monitoring value of the water conservancy project in the area where the construction workers gather are obtained and processed to obtain the cumulative safety value in the area. If the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

2. According to the multi-source data fusion method for water conservancy project construction safety analysis of claim 1, it is characterized by: The water conservancy project construction environment data includes meteorological data, hydrological data and geological data. The calculation formula of the overall construction environment index is: ； in, Represents the overall construction environment index, represents the weight coefficient of the meteorological index, represents the weight coefficient of the hydrological index, represents the weight coefficient of the geological index, Represents the weight coefficient of PM2.5, Represents the weather index, represents the hydrological index, represents the number of geological monitoring points, Indicates The geological index of each geological monitoring point, Indicates The geological index of the monitoring point at the previous monitoring moment, Indicates PM2.5 data.

3. The water conservancy project construction safety analysis method based on multi-source data fusion according to claim 1 is characterized in that: The specific steps of obtaining the safety monitoring project vector of the day include: The construction progress data for the day includes a construction task list, construction area, construction personnel, equipment distribution and construction progress; the construction progress data for the day is processed and extracted to obtain the safety monitoring items for the day, and the safety monitoring items for the day include exploration items, excavation items, drainage items, foundation items and concrete items; all the safety monitoring items for the day are obtained and merged to obtain the safety monitoring item vector for the day ,in Indicates The safety monitoring items for the day are as follows: ,in Indicates the number of safety monitoring items for the day.

4. The water conservancy project construction safety analysis method based on multi-source data fusion according to claim 1 is characterized in that: The specific steps of obtaining the security monitoring device vector of the day include: Get the The data of the safety monitoring project of the day are processed to obtain all the equipment required for the safety monitoring project of the day; the equipment and its data are obtained and processed to obtain the safety monitoring equipment vector of the day, and the vector length is ; The first vector of the safety monitoring equipment on that day The first element includes a device key and a device value. The device key represents the device; get the The operation data of each device is processed to obtain the device safety value, and the operation data includes device basic status data, device load status data, device operation data and device usage time.

5. The method for water conservancy project construction safety analysis based on multi-source data fusion according to claim 4 is characterized in that: The calculation formula of the equipment safety value is: ； in, represents the safety value of the device, The weight coefficient representing the device running time, Indicates the device operation time. Indicates the maximum operating time allowed for the device. Indicates the weight coefficient of the equipment load, Indicates the equipment load ratio, Represents the weight coefficient of the device temperature, Indicates the number of device temperature monitoring points. Indicates Data from each device temperature monitoring point, Indicates The data of each device temperature monitoring point at the previous monitoring time, The weight coefficient representing the number of operations, Indicates the number of device operations. Indicates the rated number of operations of the device.

6. The method for water conservancy project construction safety analysis based on multi-source data fusion according to claim 1 is characterized in that: The specific steps of obtaining the construction personnel gathering center include: The construction workers are equipped with positioning equipment to obtain the past All construction workers’ location data within the time period, in the past At fixed intervals of time Collect the real-time location information of all construction workers to obtain the construction worker location data set ,in Indicates The location coordinates of the construction workers; Preprocessing the construction worker positioning data set to obtain a processed positioning data set; visualizing all positioning points on a two-dimensional plane according to the processed positioning data set to obtain a distribution map of the construction worker trajectory points; Cluster analysis is performed on the points on the construction personnel trajectory point distribution map to obtain the construction personnel gathering center.

7. The water conservancy project construction safety analysis method based on multi-source data fusion according to claim 1 is characterized in that: The calculation formula of the construction worker fatigue value is: ； in, represents the fatigue value of the construction worker, represents the weight coefficient of the moving distance, Indicates the moving distance of the construction workers, Indicates the maximum moving distance, represents the weight coefficient of working hours, Indicates the working hours of construction workers. Indicates the maximum working time. Represents the weight coefficient of movement speed, Indicates the moving speed of the construction workers. Indicates normal movement speed. Represents an exponential function.

8. The method for water conservancy project construction safety analysis based on multi-source data fusion according to claim 1 is characterized in that: The calculation formula of the water conservancy project monitoring value is: ； in, represents the monitoring value of the water conservancy project, represents the weight coefficient of the engineering profile, represents the contour area deviation, represents the base contour area, represents the weight coefficient of the water conservancy project environment, Indicates the real-time vibration intensity. Indicates the maximum vibration intensity, Indicates the real-time noise decibel value, Indicates the maximum noise decibel value; If the monitoring value of the water conservancy project exceeds a preset threshold, a local warning is issued.

9. The method for water conservancy project construction safety analysis based on multi-source data fusion according to claim 1 is characterized in that: The calculation formula for the cumulative safety value in the area is: ； in, Indicates the cumulative safety value in the area. represents the weight coefficient of the fatigue value of the construction workers, Indicates the number of construction workers in the area, Indicates The construction worker fatigue value of each construction worker, represents the weight coefficient of the safety value of the device, Indicates The first The device security value of the device, Indicates the number of items in the region, Indicates The number of devices in a project, represents the weight coefficient of the monitoring value of the water conservancy project, Indicates the area The monitoring value of the water conservancy project obtained by a monitoring and collection device, Indicates the number of monitoring collection devices.

10. A water conservancy project construction safety analysis system based on multi-source data fusion, characterized in that: include: The construction environment judgment module is used to calculate the overall construction environment index according to the water conservancy project construction environment data; if the overall construction environment index is greater than a preset threshold, the construction cannot be started until the overall construction environment index is less than the preset threshold, then the construction can be started; The equipment safety value calculation module includes a project unit and an equipment unit. The project unit is used to obtain and process the construction progress data of the day to obtain the safety monitoring project vector of the day; the equipment unit is used to obtain and process the safety monitoring project of the day to obtain the safety monitoring equipment vector of the day for the safety monitoring project of the day; the safety monitoring equipment vector of the day includes an equipment key and an equipment value. The equipment key represents the equipment number, and the equipment value represents the equipment safety value. The equipment safety value is used to monitor the working status of the equipment; The safety analysis module includes a gathering center calculation unit, a fatigue value calculation unit, a project monitoring unit and a safety judgment unit, wherein the gathering center calculation unit is used to collect the positioning data of all construction personnel at fixed intervals to obtain a construction personnel positioning data set; obtain the construction personnel positioning data set and process it to obtain a construction personnel trajectory point distribution map; cluster analysis is performed on the points on the construction personnel trajectory point distribution map to obtain the construction personnel gathering center; the fatigue value calculation unit is used to obtain the movement trajectory and working hours of the construction personnel and process them to obtain the fatigue value of the construction personnel; the project monitoring unit is used to obtain the monitoring data of the construction personnel gathering center and process it to obtain the water conservancy project monitoring value; the safety judgment unit is used to obtain the daily safety monitoring project vector, the construction personnel fatigue value and the water conservancy project monitoring value in the area of ​​the construction personnel gathering center for processing to obtain the cumulative safety value in the area; if the cumulative safety value in the area is less than the preset safety threshold, a safety warning instruction is issued.

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