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83 results about "Site model" patented technology

Risk assessment method and system based on Bayesian network and evidence theory

The invention discloses a risk assessment method and system based on a Bayesian network and an evidence theory, and relates to the technical field of risk intelligent assessment, and the method comprises the steps: determining an assessment dimension and an assessment index of a high-investment low-income risk of an educational institution in MOOC learning according to a human-cargo-field model and an industry report; constructing a MOOC learning risk assessment index system according to the assessment dimensions and the assessment indexes; constructing a Bayesian network structure according to the MOOC learning risk assessment index system; obtaining questionnaire data and expert opinions according to the MOOC learning risk assessment index system, and determining Bayesian network parameters based on the questionnaire data and the expert opinions; and inputting the Bayesian network parameters into the Bayesian network structure to obtain an assessment result of the high-investment low-income risk, the assessment result including a risk prediction result, a key risk factor and a sensitivity analysis result. According to the method, the high-investment and low-income risk in MOOC learning can be accurately evaluated.
Owner:NAT UNIV OF DEFENSE TECH

Regional pollutant concentration prediction method and device and storage medium

The invention relates to a regional pollutant concentration prediction method and device and a storage medium, and is applied to the technical field of pollution monitoring. The method specifically comprises the following steps: acquiring historical pollutant concentration monitoring data and meteorological data of each single site, and predicting future fine particulate matter concentration and pollutant chemical components of the single site based on an EnvMulti-KAN model fused by KAN and Transform architectures; according to the prediction result of each single station in the target area, particle diffusion and convergence are simulated by adopting a multi-station fine particle diffusion model in combination with geographic information and interaction among the single stations, the pollutant area concentration is constructed, the area fine particle concentration is accurately predicted, and the view limitation of the single station is broken; according to the method, the single-site model and the multi-site model are cooperated, the concentration of the regional fine particulate matter is accurately predicted, the main components of the pollutants are synchronously and accurately predicted, and a demonstration is provided for atmospheric chemistry theoretical research.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Work site simulation system

Provided is a work site simulation system provided with a computer (20). The computer (20) sets a partial region of a site model (M11), which is shape information of a work site S, as a selected region, and converts the site model (M11) within the selected region into a changeable model (M15). The changeable model (M15) is shape information on which modification processing by the computer (20) is permitted. The modification processing includes at least one of deformation, movement, addition, and deletion. The computer (20) limits the modification processing for the site model (M11) to a greater extent than the modification processing permitted to be performed on the changeable model (M15).
Owner:KOBELCO CONSTR MASCH CO LTD

Ai-assisted soil compaction system and methods

System and methods for modeling, planning, and monitoring soil compaction. Laboratory test and historical data establish an historical baseline. A predictive baseline is computed from the historical baseline and a predictive site model. During the soil compaction of a calibration area, a predictive compaction model is computed from providing compaction scores obtained from standard tests, loose measurement maps and a compacted vibration map. During the soil compaction vibration data is used in conjunction with the predictive compaction to compute a compaction value. Upon detecting that the compaction value is within the target compaction threshold, an operator is notified.
Owner:COMPACTICA SYSTEMS INC

Quality monitoring method and system for road construction

The invention relates to the technical field of road engineering construction, and discloses a quality monitoring method and system for road construction, and the method comprises the steps: obtaining a time sequence image sequence of a construction region, carrying out the processing of the image sequence based on an improved Canny edge detection process, obtaining a binary image containing texture features, and carrying out the processing of the binary image. The method comprises the steps of calculating edge offset data of edge line segments between adjacent frames based on a dynamic time warping algorithm, constructing a pavement texture change model based on the edge offset data, identifying an abnormal region and calculating an area proportion of the abnormal region, and obtaining a construction quality evaluation index based on an edge expansion index and fusing data collected by an Internet of Things sensor. And comparing the construction quality evaluation index with a quality preset threshold value, triggering a grading early warning mechanism, and synchronously pushing the grading early warning mechanism to a highlight area of the construction site model. Based on the improved algorithm, the road surface texture noise interference is effectively inhibited, the edge detection stability is improved, the compactness prediction accuracy is improved, and the road construction quality monitoring efficiency is improved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Graphical display method and system for ship assembly site plan arrangement

The invention provides a graphical display method and system for a ship total group site plan arrangement, and the method comprises the steps: building a new worksheet, obtaining the data of a ship total group site and a ship total group plan, and constructing a ship total group site model based on the data. Based on the Excel-VBA module, the actual layout and the model of the total ship group site are displayed in a unified mode, the plan arrangement of the total ship group site can be displayed to a user in a visual and vivid mode, the site utilization condition can be visually known, the site layout is optimized, and the site utilization efficiency and the operation efficiency are improved.
Owner:JIANGNAN SHIPYARD (GRP) CO LTD

Remote video monitoring method and system for road construction site

The invention relates to the technical field of road construction remote monitoring, and particularly discloses a road construction site remote video monitoring method and system. According to the method, a construction site model is constructed; performing real-time video monitoring to obtain a plurality of real-time monitoring videos; obtaining a plurality of target appearance features; tracking and identifying a remote monitoring target, selecting a target monitoring video, and marking a target monitoring area; and creating a remote monitoring window, performing monitoring display on the target monitoring video, and performing regional highlight synchronous display on the construction site model. In a plurality of real-time monitoring videos, tracking identification of a remote monitoring target, selection of a target monitoring video, monitoring display of the target monitoring video and regional highlight synchronous display of a construction site model can be carried out, so that the monitoring video which is most critical and has the most reference value is automatically displayed for remote management personnel; and the target monitoring area can be synchronously displayed, so that the remote monitoring efficiency is greatly improved.
Owner:JIANGXI PROVINCIAL TRANSPORTATION ENG GRP +3

Physical-data driven sequential seismic oscillation generation method

The invention relates to a physical-data-driven sequence type seismic oscillation generation method. The method comprises the following steps: acquiring a historical seismic record; constructing a main earthquake ground motion random field model based on the physical mechanism of the ground motion field; the physical mechanism comprises a seismic source, a propagation path and a local site model; obtaining main earthquake parameters based on historical earthquake records according to the main earthquake ground motion random field model; the main earthquake parameter is used for predicting an unknown main earthquake seismic record according to a main earthquake seismic oscillation random field model to obtain a main earthquake seismic oscillation time history; and constructing an aftershock seismic oscillation generation model based on a conditional generative adversarial network model according to the main seismic oscillation time history to realize prediction of a seismic oscillation field. According to the method, the parameters of the main earthquake are generated based on the earthquake motion field of the physical mechanism, the time history of the main earthquake is obtained, the aftershock prediction model is constructed according to the conditional generative adversarial network, the physical mechanism model is combined with artificial intelligence, the model prediction fitness and accuracy are improved, the aftershock is predicted, the prediction effect is improved, complex calculation is avoided, and the model construction efficiency is improved.
Owner:BEIJING UNIV OF TECH

Constructing method and system for conceptual model of polluted site

The invention relates to the technical field of construction of pollution site models, and particularly discloses a construction method and system of a conceptual model of a pollution site, an initial conceptual model of the pollution site is constructed by integrating multi-source heterogeneous data of the pollution site, a space-time coupling relation of pollution source-migration path-acceptor is described in a parameter matrix form, and the conceptual model of the pollution site is constructed. Then, further decomposing the field prior information model parameter matrix into independent units, taking feedback information of a benefit related party as a constraint condition, and performing panoramic semantic scanning query on the field prior information by utilizing a natural language processing technology and a semantic query algorithm; and key information gaps such as uncovered exposure paths in the site prior information are identified, so that the conceptual model of the polluted site is iteratively optimized. By means of the mode, intelligent recognition of key information gaps of the conceptual model of the polluted site can be achieved, dynamic adjustment and improvement of the conceptual model are guided, and the conceptual model better meets the actual situation and the requirements of interested parties.
Owner:BEIJING MUNICIPAL RES INST OF ENVIRONMENT PROTECTION

Puncture method and system based on ultrasonic guidance

The invention provides a puncture method and system based on ultrasonic guidance, and relates to a data processing technology, and the method comprises the steps: constructing a part model corresponding to a puncture part, determining a partition scanning line of the part model, controlling ultrasonic equipment to carry out the segmented scanning of the puncture part based on the partition scanning line, and obtaining a segmented scanning graph; the method comprises the following steps: acquiring segmented scanning graphs, determining the segmented scanning graphs meeting puncture conditions as sub-adaptive graphs, splicing adjacent sub-adaptive graphs to obtain a spliced puncture graph, judging the blood vessel form of veins in the spliced puncture graph to obtain candidate puncture graphs, and selecting the candidate puncture graphs to obtain a puncture guide graph. The puncture point location of the puncture vein in the puncture guide map is determined based on the proximal direction, and accurate positioning during vein puncture can be achieved under ultrasonic guidance.
Owner:XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI

Intelligent safety helmet for high-precision positioning and control system thereof

The invention relates to the technical field of high-precision positioning, in particular to an intelligent safety helmet for high-precision positioning and a control system of the intelligent safety helmet. The site modeling module is used for dividing a site model into an alarm area and a non-alarm area; the positioning calculation module is used for obtaining safety helmet site model positioning; the intelligent bidirectional alarm module is used for carrying out UWB alarm and also used for carrying out touch alarm; the precision monitoring module is used for judging the alarm precision of the UWB alarm to obtain an alarm area with abnormal alarm precision; the precision control module is used for optimizing the UWB alarm process to obtain a UWB alarm optimization result; and the precision optimization module is used for analyzing the fault reasons of the high-frequency alarm point locations, eliminating and optimizing the judgment process of the high-frequency alarm point locations according to the fault reasons of the high-frequency alarm point locations, and optimizing the site model. The positioning precision and the alarm precision of the safety helmet in the construction area are improved.
Owner:BEIJING HUIYUAN

Parameterization power transmission line stretching field layout simulation method and parameterization power transmission line stretching field layout simulation equipment

The invention discloses a parameterized power transmission line distraction field site arrangement simulation method and equipment, structural characterization is carried out on extracted nodes by combining an interpolation method and a shape finding analysis method, parameterized modeling is carried out according to a characterization structure, a distraction field site model is further obtained, the distraction field site model accurately feeds back the shape of a distraction field, and the distraction field site arrangement simulation method and equipment have the advantages that the distraction field site arrangement simulation efficiency is improved. Meanwhile, the interaction relation between each machine and each structure is accurately fed back, and an accurate and stable distraction field model consistent with a construction field is provided for subsequent distraction field simulation; the arrangement simulation parameters subjected to construction verification are input into the distraction field migration model again to be circularly processed until the optimal arrangement simulation parameters are generated, the optimal arrangement simulation parameters serve as the optimal distraction field construction parameters, construction is conducted, and the problem that local engineering calculation is conducted on the parameters manually is solved; the calculation result is not standard, and meanwhile, the position of a dangerous point in the layout of the distraction field cannot be accurately estimated.
Owner:CHENGDU CHENGDIAN ELECTRIC POWER ENG DESIGN

Method for reconstructing digital twinborn model of fracturing well site

The invention relates to a digital twinborn model reconstruction method, in particular to a fractured well site digital twinborn model reconfigurable method, which comprises the steps of designing a fractured well site digital twinborn model multivariate attribute module and designing a fractured well site digital twinborn reconfigurable module. The multivariate attribute module comprises an equipment model size, a safety boundary, a current coordinate, a last coordinate, a well site model size and the like, and reconfigurable definition of various digital twin models of a fracturing well site is realized; and designing a digital twinning reconfigurable module of the fracturing well site, and supporting to manually or automatically construct a digital twinning fracturing scene consistent with an actual operation scene according to variable operation requirements through the established reconfigurable constraint conditions and different operation requirements. According to the method, the fracturing well site is reconstructed through the digital twinborn model, the planning and layout efficiency of the well site is improved, the problem of repeated design caused by a fixed mode is avoided, and the method is suitable for reconstruction of the digital twinborn model of the fracturing well site.
Owner:CNPC BOHAI DRILLING ENG +1

Method for joint inversion of site model based on vertical array seismic record and borehole test data

The invention belongs to the field of soil layer shear wave velocity and damping inversion, and provides a method for joint inversion of a site model based on vertical array seismic records and drilling test data, which comprises the following steps: layering a soil layer, determining initial reference values of shear wave velocity and damping ratio after layering, and determining an observation transfer function. Constructing an inversion objective function and performing iterative search on an optimal solution by using a hill-climbing-random search algorithm, wherein the key point is to construct the inversion objective function and perform iterative search on the optimal solution by using the hill-climbing-random search algorithm; according to the method, the field model is inversed by using the actually measured vertical station seismic record and the drilling test data in a combined manner, the problem of multiplicity of solutions of a traditional inversion method is effectively solved, the shear wave velocity and damping ratio structure obtained through inversion can effectively represent the amplification effect of a local field on seismic oscillation, meanwhile, the drilling test result can be reflected, and the method is suitable for the field simulation. Therefore, the method accords with reality.
Owner:BEIJING UNIV OF TECH

Sequencing machine work

A method of determining work zones (334,336,338, 340, 342) includes receiving work site data, determining an actual site model (112) based on the work site data, determining a desired site model (114), and comparing the actual site model (112) to the desired site model (114) to determine a work plan, the work plan having work stages including a first work stage and a second work stage. The method further includes determining a first work zone (334, 336, 338, 340, 342) of the first work stage of the work plan, including a first plurality of work locations (302, 304, 306, 308, 312), and determining a second work zone (334, 336, 338, 340, 342) of the second work stage of the work plan, including a second plurality of work locations (302, 304, 306, 308, 312). The method further includes determining a safety zone (334, 336, 338, 340, 342), and determining a sequence for performing work for at least one of the first work zone (334, 336, 338, 340, 342), the first work locations (302,304,306, 308, 312), the second work zone (334, 336, 338, 340, 342), or the second work locations (302, 304, 306, 308, 312) based on the safety zone (334, 336, 338, 340, 342).
Owner:CATERPILLAR INC

Construction method of site model based on BIM technology

The application relates to the technical field of data processing, and relates to a site field model construction method based on BIM technology, which comprises the following steps: acquiring at least two images and at least three feature points, each image is divided into a construction area and a non-construction area; determining a target local geometric structure by using the at least three feature points, determining the credibility weight of a scene structure, and then determining the measured coordinates of a target feature point; determining the correction weight of the target feature point in a target construction area by using the measured coordinates and a construction completion coefficient of the target construction area, and correcting BIM design coordinates; determining the deviation correction value of a target non-construction area by using the measured coordinates, original BIM design coordinates and a foundation treatment quality coefficient; correcting an initial BIM model by using the corrected BIM design coordinates and the deviation correction value, and constructing a site to obtain construction data. The application effectively eliminates the deviation between a theoretical model and actual construction, improves model precision, and reduces construction errors.
Owner:ZHONGSIFANGRAN CONSTR CO LTD

New energy power plant supporting communication engineering full-chain operation optimization method

The invention relates to a new energy power plant matched communication engineering full-chain operation optimization method, which comprises the following steps: step 1, establishing a new energy power plant matched communication engineering design scheme data file, and solidifying design auditing requirements; 2, judging a station model; 3, channel design and site model comparison are carried out; forming a first access scheme; step 4, performing communication resource feasibility check to form a second version of access scheme meeting resource requirements; 5, forming a complete design scheme; step 6, establishing a grid-connected plan collection template, and generating a grid-connected plan data file; and step 7, selecting a plant-station grid-connected process model to generate a grid-connected plan scheme, and further completing the full-chain operation optimization of the new energy power plant matched communication engineering. According to the invention, the standardization, integrity and accuracy of plant station data scheduling can be improved, the standardized operation of the business process is realized, and the operation efficiency is improved.
Owner:STATE GRID TIANJIN ELECTRIC POWER COMPANY +1

Sequencing machine work

A method of determining work zones includes receiving work site data, determining an actual site model based on the work site data, determining a desired site model, and comparing the actual site model to the desired site model to determine a work plan, the work plan having work stages including a first work stage and a second work stage. The method further includes determining a first work zone of the first work stage of the work plan, including a first plurality of work locations, and determining a second work zone of the second work stage of the work plan, including a second plurality of work locations. The method further includes determining a safety zone, and determining a sequence for performing work for at least one of the first work zone, the first work locations, the second work zone, or the second work locations based on the safety zone.
Owner:CATERPILLAR INC

Construction management device

To provide a construction management device, method, and program capable of grasping a progress state of construction of a building.SOLUTION: A construction management device 100 comprises: a three-dimensional model data creation unit 201 that creates three-dimensional model data of an entire construction site on the basis of three-dimensional models of terrains and buildings based on surveying data of the construction site and surrounding terrains and buildings; a construction plan data acquisition unit 202 that acquires construction plan data of the construction site; a simulation site model generation unit 203 that generates a simulation site model representing a state of the construction site at a specified time point on the basis of the construction plan data, the three-dimensional model data, and three-dimensional models of construction machines used at the construction site; an image acquisition unit 204 that acquires an image of the construction site from an imaging instrument installed at the construction site; a data acquisition unit 205 that acquires orientation data of the imaging instrument and capture date-and-time data of the image; and a display control unit 206 that displays the simulation site model and the image on a display instrument on the basis of the acquired orientation data and capture date-and-time data.SELECTED DRAWING: Figure 2A
Owner:OKUMURA CORP +1

External field navigation anti-interference test platform

The utility model relates to the technical field of communication detection, and discloses an external field navigation anti-interference test platform, which comprises an outdoor field model, a signal receiving device, a control device and a plurality of navigation interference devices, a test area is arranged on the outdoor site model; the plurality of navigation interference devices are arranged around the test area; the signal receiving device comprises a mobile module and a receiver, the receiver is arranged on the mobile module, the mobile module is used for driving the receiver to move in the test area, and the receiver is used for receiving satellite navigation signals; and the control device establishes communication connection with the navigation interference device, the mobile module and the receiver. According to the external field navigation anti-interference test platform disclosed by the invention, the test items are diversified, and the dynamic interference test in an actual application scene can be simulated more truly, so that reliable data guidance is better provided for optimization and upgrading of the items.
Owner:CHANGSHA HAIGE BEIDOU INFORMATION TECH CO LTD

Site differentiation seismic response analysis method and system based on seismic oscillation type

PendingCN121522724ASeismic signal processingEarth surfaceSeismic response analysis
The invention discloses a site differentiation earthquake response analysis method and system based on earthquake motion types, and belongs to the technical field of building earthquake-proof engineering, and the method comprises the steps: dividing a target site into three types of sites according to the obtained drilling information of the target site, and constructing a site model corresponding to each type of site; respectively calculating dynamic response results of each site model under the near-field pulse type seismic motion and the near-field non-pulse type seismic motion by adopting a time domain nonlinear analysis method; generating two groups of surface response spectrum amplification coefficients according to the dynamic response result of each site model, and comparing peak values with periods; and according to a comparison result of the peak value and the period, combining each site model to obtain a differential earthquake response analysis result. According to the method, the significant amplification effect of pulse type seismic oscillation on a soft soil site and the significant amplification effect of non-pulse type seismic oscillation on a medium-hard soil site are effectively revealed, and the problem that the difference of seismic oscillation types is not fully considered in existing analysis is solved.
Owner:WUHAN UNIV

Simulation analysis method for rainfall runoff and accumulated water of transformer substation site

The invention relates to a transformer substation site rainfall runoff and ponding simulation analysis method which comprises the following steps: S1, completing hydraulic modeling in transformer substation project site rainfall runoff and ponding simulation analysis based on an AUTOCAD platform; wherein in the hydraulic modeling stage, a substation project site model, a substation project drainage system model, a substation project underlying surface parameter model and a substation project rain condition model are integrated; in the technical model aspect, an initial loss model and a runoff volume model are established; s2, based on the SWIM5.1 calculation core, hydraulic simulation in transformer substation project site rainfall runoff and ponding simulation analysis is carried out. According to the method, the ponding condition and ponding curve data in the ponding point time period can be quantitatively analyzed. Therefore, actual effects of different design schemes are compared in real time, the design schemes can be optimized more effectively based on accurate data, and the problem of field ponding is effectively solved.
Owner:GANSU DIANTONG POWER ENG DESIGN CONSULTING CO LTD

Construction management method

To provide a construction management method capable of grasping a progress state of construction of a building.SOLUTION: A method includes three-dimensionally modeling terrains and buildings on the basis of surveying data of a construction site, surrounding terrains, and surrounding buildings, creating three-dimensional model data of the entire construction site on the basis of the three-dimensional models, acquiring construction plan data for construction performed at the construction site, generating a simulation site model on the basis of the construction plan data, the three-dimensional model data, and three-dimensional models of construction machines used at the construction site, acquiring appearance data representing an actual appearance of the construction site from a measuring instrument that measures the actual appearance of the construction site, displaying the simulation site model and the appearance data on a predetermined display device, displaying a difference by comparing the appearance data with the simulation site model, accepting a change of a work process corresponding to the difference, and generating a re-simulation site model in consideration of the change of the work process.SELECTED DRAWING: Figure 10A
Owner:OKUMURA CORP +1

Modeling blast heave using energy partitioning.

The blast modeling system may generate a site model based on blast input data. The blast input data may include blast hole data, bench information, and geological input data. The site model may include a plurality of individual elements representing rock masses. The blast modeling system may simulate a blast by determining an initial pressure in each blast hole caused by the detonation of explosives. The blast modeling system may determine a heave of the blast based in part on the initial pressure and display a simulation based in part on the heave.
Owner:DYNO NOBEL INC

Device foundation bolt pre-burying method based on BIM and GIS technology

The present application relates to the technical field of equipment civil foundation construction, and particularly relates to a device foundation bolt pre-embedding method based on BIM and GIS technology, actual data information of construction site topography and geomorphology generated by GIS technology is downloaded, and a model of construction content is established by using BIM technology; after fitting and rectifying the site model exported by the GIS system and the BIM model by means of Navisworks software, the GIS system is used to convert the coordinate information into the GIS positioning robot positioning system; the fixed anchor frame is used to fix the pre-embedded bolt, and the GIS positioning robot is used for positioning and installation; after the GIS positioning robot is positioned and installed, the grouting system is used for grouting, the fixed anchor frame is removed after grouting is completed, and the setting of the pre-embedded foundation bolt is completed. The present application greatly increases the installation and setting precision of the pre-embedded foundation bolt, reduces the construction cost and the rework rate, and shortens the construction period.
Owner:CHINA MCC22 GROUP CORP LTD

BIM (Building Information Modeling)-based hyperbolic reversed beam roof facility design, plotting and quantity calculation method

The invention discloses a BIM (Building Information Modeling)-based hyperbolic reversed beam roof facility design, plotting and quantity calculation method, which comprises the following steps of: 1, arranging basic conditions of a site into a site BIM model as a basis for parameterization analysis and design; 2, on the basis of the site BIM model, a piecewise linear regression method is adopted to compile a GH battery pack, the periodic change of the longitudinal gradient, namely the longitudinal piecewise gradient i, of a reversed beam is simplified, and available data is calculated for automatically generating a design scheme; 3, compiling a GH battery pack based on the piecewise linear model, wherein the GH battery pack is used for generating a facility planting scheme of the self-adaptive hyperbolic roof; 4, a CAD drawing is exported and used for guiding on-site construction; and 5, based on a battery pack modeling result, compiling the volume of the consumed planting box material under the battery pack direct calculation generation scheme. The invention relates to the technical field of constructional engineering, and can solve the problems that a traditional facility planting scheme design method is complicated, low in efficiency, prone to errors and inconvenient to check.
Owner:CHINA CONSTR EIGHTH ENG BUREAU TECH CONSTR CO LTD

Building management system with semantic model integration

A building management system (BMS) includes one or more memory devices having instructions stored thereon. When executed by one or more processors, the instructions cause the processors to perform operations including ingesting semantic information associated with a plurality of BMS objects, classifying the plurality of BMS objects into a plurality of predetermined classifications that pertain to the plurality of BMS objects using the semantic information, updating a semantic site model for a building site by including at least one of the semantic information associated with the plurality of BMS objects or the plurality of predetermined classifications that pertain to the plurality of BMS objects, and adjusting a plurality of parameters associated with the plurality of BMS objects using the semantic site model.
Owner:TYCO FIRE & SECURITY GMBH