456 results about "Building information modeling" patented technology

The invention discloses an assembly type building node stress monitoring and design feedback system based on BIM, and relates to the technical field of building engineering structure monitoring, a building information modeling model is constructed, component geometric information, a connection mode and a load path associated with nodes are extracted, and a node mechanical attribute initial parameter set is formed; in combination with node real-time stress monitoring data, Fourier transform and wavelet decomposition are carried out, and frequency domain characteristic parameters are extracted; constructing a finite element correction model, and simulating a stress response path under a multi-load combination; the predicted stress peak value is compared with the actually measured stress peak value, structural abnormal nodes are identified, parameter optimization is executed according to node construction information, the component size, the steel bar anchoring length or the concrete grade are automatically adjusted, an optimized parameter set is generated and written back into a building information modeling model, and closed-loop correction is formed; continuous monitoring, abnormity diagnosis and intelligent optimization of the node stress state can be achieved, and the safety and the intelligent level of assembly type building structure design are improved.

The invention discloses a supervision method and device based on construction project quality detection and a medium, and relates to the technical field of project quality supervision, and the method comprises the steps: collecting construction site data, carrying out the preprocessing, and generating a site data set; performing real-time comparison and verification on the building information model and the field data set to obtain verification data, inputting the verification data into the building information model, performing construction consistency analysis and deviation identification, and generating a quality evaluation report; performing risk assessment and priority classification on the quality analysis data to obtain risk assessment data, and performing problem priority analysis and rectification scheme formulation on the risk assessment data to generate rectification execution data; and performing rectification effect analysis and overall quality evaluation according to the rectification execution data, and generating a project quality summary report. The real-time performance and the accuracy of construction quality monitoring are improved, the construction deviation is reduced to the maximum extent, the quality management is optimized, and the smooth proceeding of a project is guaranteed.

The invention discloses a BIM (Building Information Modeling) lightweight and streaming rendering method and system, and the method comprises the steps: carrying out data separation, partitioning and simplification processing on an original BIM, and generating lightweight partitioned model data containing associated metadata; based on geometric features of each block in the lightweight block model data, adaptively determining a compression parameter and performing compression coding, and associatively storing the compressed block data and metadata; and according to a rendering request of a client, dynamically selecting to-be-transmitted block data based on the multi-dimensional evaluation model, transmitting the block data to the client in a streaming manner, and performing data reconstruction and rendering display by the client. Through collaborative optimization of fusion data separation, QEM simplification and Draco compression and in combination with intelligent streaming transmission based on a multi-dimensional evaluation model, high-fidelity and low-delay rendering of a large-scale BIM model at a Web end is realized.

The invention relates to the technical field of intelligent monitoring of engineering hoisting, in particular to an intelligent monitoring system for an overweight segmented hoisting process based on BIM (Building Information Modeling) and force feedback, which comprises a data synchronization module, a state fusion module, a BIM matching module, a track optimization module and a simulation monitoring module. The system obtains a hoisting state through multi-source sensing data, matches a BIM fine model, and generates a theoretical motion track. And the trajectory optimization module generates a force feedback deviation field by comparing expected force feedback data with actual force feedback data, reversely corrects a theoretical trajectory, and realizes dynamic path optimization based on a mechanical state. And the simulation monitoring module drives virtual simulation according to the optimized trajectory, updates the posture of the BIM model in real time, dynamically calculates an interference area, performs risk assessment, and automatically generates and issues a control instruction. According to the scheme, the response precision and the active safety control capability of the hoisting process to the physical state change are improved.

The invention discloses a building fire-fighting automatic verification and evacuation path verification system based on a rule engine, and relates to the technical field of building fire-fighting intellectualization. Comprising the steps that a rule generation module analyzes a fire-fighting standard text and generates an executable rule set; the model analysis module is used for extracting component attributes and a spatial topological relation from the building information model; the real-time sensing module collects environment state data. The rule engine module matches the component attributes with the executable rule set to generate a first verification result; spatial topology and real-time sensing data are fused, the dynamic passing weight of each path segment is calculated, and an evacuation path network model is constructed. The path verification module verifies the safety of a path from a preset point to an exit based on the model, and generates a path verification result. And the result generation module outputs fire-fighting compliance data. According to the invention, through the dynamic optimal evacuation path planning from the static fire-fighting standard examination of the building design to the occurrence of the disaster, the guarantee capability and the emergency response efficiency of the building fire-fighting safety are improved.

The invention relates to the technical field of identification tracing, in particular to a stage identification tracing method and system for building construction operation and maintenance BIM data. The method comprises the steps of performing data preprocessing on acquired BIM model data; component ID distribution binding is carried out according to the preprocessed BIM model data; stage identification codes are generated based on the component IDs; recording component version information and responsibility information according to the stage identification code; establishing a multi-stage evolution linked list based on the recorded information; and generating a tracing report according to the multi-stage evolution chain table. Through unified component full life cycle ID (LCID) binding, stage identification code generation and multi-stage evolution chain table construction, the problem that BIM data in the design, construction and operation and maintenance stages are independent and repeated in modeling is solved.

The invention provides a building information model compliance processing method and device based on artificial intelligence, electronic equipment and a storage medium, and the method comprises the steps: analyzing a standard document through a natural language processing model, and constructing a structured compliance knowledge graph containing a forced parameter, a naming rule, a geometric constraint and a data mapping relation; when the components are loaded, geometric feature vectors of the components are extracted, a hierarchical topological graph is modeled and nested, and a digital twin file containing geometric attributes, a parameter list and risk scores is generated; and matching and comparing the archive with the knowledge graph, dynamically generating a processing strategy sequence, and scheduling a geometric optimization and data encapsulation module to execute adaptive processing. Geometric optimization adopts a deep learning driven non-uniform grid simplification algorithm, key region details are reserved, and topological defects are repaired; and the data packaging realizes intelligent matching and binding from the custom parameters to the standard attribute set through semantic mapping. Through the method and the device, the efficiency, the accuracy and the automation level of cross-platform compliance conversion of the building information model can be remarkably improved.

The invention relates to the technical field of building construction, in particular to a BIM (Building Information Modeling) forward design method based on full-process AI (Artificial Intelligence) driving, which comprises the following steps of: digitizing a demand, and extracting a quantitative design index through a multi-modal demand analysis module; parameter generation: generating and evaluating a first-order BIM seed model by using an AI parameter generation engine driven by a generative adversarial network; iterative optimization is carried out, and automatic form, performance and layout optimization is carried out on the model through topological optimization, energy consumption prediction and reinforcement learning; performing collaborative verification, and generating collaborative correction suggestions by adopting a conflict detection algorithm fusing a boundary box and a GJK algorithm; and result delivery: performing simulation verification through a digital twin engine and outputting a final result. According to the method, intelligence and automation of the whole process from demand to delivery are achieved, the problems that a traditional method depends on manpower, collaboration lags behind, performance analysis and design are disjointed and the like are solved, and the design efficiency, quality and scientificity are remarkably improved.

The invention relates to the technical field of computer aided design and BIM (Building Information Model), discloses a BIM ancient building component parameterization design method and system fused with a historical form and system, and aims to solve the problems of parameter distortion, low modeling efficiency, high rework rate and the like caused by disjunction of a historical building rule and a BIM in the prior art. The method comprises the following steps: acquiring a historical shape and system standard text data set; a component-region-geometry triple knowledge graph is constructed; outputting Bezier curve control points conforming to regional characteristics through a lightweight curvature parameter generation network; generating an initial model in the BIM; a dynamic geometric constraint engine is used for verifying whether parameters such as the roll-killing radian and curvature continuity are out of tolerance or not in real time, and visual feedback and correction suggestions are triggered; and the model is automatically updated after user confirmation. The modeling precision and efficiency are remarkably improved, the rework rate is reduced, and the requirements of ancient building protection engineering specifications are met.

The invention relates to a mountain photovoltaic automatic laying method and system based on BIM and GIS, and the method comprises the steps: obtaining the engineering parameters of a to-be-laid photovoltaic project based on the GIS, and inputting the engineering parameters into a built-in photovoltaic module database of a preset cloud architecture system to obtain a photovoltaic module matched with the to-be-laid photovoltaic project and the corresponding photovoltaic module parameters; calculating the capacity of photovoltaic panels in the photovoltaic modules and the inverter based on the parameters of the photovoltaic modules, and taking the capacity as the boundary of the photovoltaic layout area; calculating layout parameters of the boundary of the photovoltaic layout area by utilizing a GIS (Geographic Information System); based on the layout parameter of each grid unit and a preset screening condition, screening out an area capable of being laid on the GIS, and establishing a BIM model of the area capable of being laid; based on the layout parameters of the grid units in the layout area, a shadow analysis mathematical model is adopted to calculate the spacing between the photovoltaic panels before and after layout; generating a photovoltaic panel layout array based on the front-back spacing of the photovoltaic panels; and inputting the photovoltaic panel layout array into the BIM model of the layout area to complete automatic layout of the photovoltaic panels.

The invention provides an archive management model based on digital twinning, and relates to the technical field of archive management. The archive management model based on digital twinning comprises a physical layer, the physical layer is connected with a data layer, the data layer is connected with a digital twinning layer, and the digital twinning layer is connected with an intelligent control layer. According to the technology, an archive management model is constructed by utilizing digital twinning, a virtual mirror image of an entity storehouse is created through a building information model and an internet of things data stream, millimeter-level precision three-dimensional modeling is realized, archive management is more accurate and intuitive, a weight sensor can monitor the weight of the archive in real time, the deviation can be compared during returning, mistakes and omissions are avoided, and the integrity of the archive is guaranteed; the intelligent control layer generates a three-dimensional navigation path, combines a virtual reality terminal, simplifies the archive searching and returning process, reduces manual errors, tracks an administrator and identifies archives in real time through an ultra wide band positioning module and a radio frequency identification reader-writer, optimizes borrowing and returning efficiency, achieves intelligent management of an archive repository, reduces cost and improves efficiency.

The invention relates to the crossing field of engineering cost management and building informatization (BIM) technology, and discloses a BIM-based multi-specialty collaborative engineering cost allocation and settlement auditing system, which comprises an engineering cost allocation and settlement auditing system, and the engineering cost allocation and settlement auditing system comprises a sensing layer, a platform layer, a core layer, an application layer and a guarantee layer. According to the BIM-based multi-specialty collaborative project cost allocation and settlement auditing system, a five-layer system architecture (a sensing layer, a platform layer, a core layer, an application layer and a guarantee layer) is constructed, so that the whole process from data acquisition, standardized processing and intelligent algorithm analysis to multi-role collaborative application is realized; according to the method, cost allocation and settlement auditing services under multiple specialties and multiple scenes are supported, and multi-dimensional cost intelligent allocation and automatic anomaly detection based on BIM components are realized by integrating a BIM semantization engine, a dynamic allocation algorithm engine and an AI auditing engine.

The invention relates to the technical field of computer aided design, and particularly discloses an intelligent fire-fighting design simulation evaluation system based on intelligent building engineering. The system comprises a building information model analysis module, a fire risk quantitative evaluation module, a multi-objective optimization decision module, a dynamic disaster evolution simulation module and an evacuation path real-time planning module, and through quantitative analysis of building fire risk, multi-objective optimization of equipment configuration, dynamic simulation of disaster evolution and real-time planning of an evacuation path, the real-time planning of the evacuation path is realized. The accuracy, balance and reliability of fire-fighting design are achieved, and the overall efficiency and compliance of an intelligent building fire-fighting system are improved.

The invention discloses a semiconductor plant collaborative construction and delivery method integrating BIM and digital twinning, and belongs to the technical field of plant construction. The invention discloses a semiconductor plant collaborative construction and delivery method fusing BIM and digital twinning. The method comprises the following steps: acquiring related data of a semiconductor plant; carrying out BIM (Building Information Modeling) and digital twin base construction; monitoring the construction progress of the semiconductor plant; carrying out visual acceptance check; and generating a delivery result. According to the invention, the problems of equipment installation coordinate deviation, pipeline gradient abnormity and the like in the prior art are difficult to find in time are solved, the dynamic precision verification of the construction process can be realized, the construction progress and the quality acceptance result can be obtained in real time, the communication cost caused by information asymmetry is avoided, and the construction efficiency is improved. The whole life cycle tracing of each component is realized through the component ID, detailed information can be quickly obtained without on-site investigation during subsequent asset checking and transformation, and the efficiency is greatly improved.

The invention relates to the technical field of intelligent construction management, and discloses a construction collaborative management system and method based on robot actual measurement data, and the system comprises a building information model module which stores a BIM model containing a process logic chain; the measurement robot cluster performs actual measurement according to the process logic chain and generates an actual measurement data set; the data twin engine is used for comparing the measured data set with the BIM model, generating a deviation matrix and constructing a collaborative health degree model; the collaborative decision-making module is used for hierarchically generating a local correction instruction or a global dynamic adjustment instruction set according to the health degree index; and the collaborative management terminal is used for visual display. The method corresponds to the system. According to the invention, automatic acquisition, intelligent analysis and dynamic collaborative decision-making of construction quality data are realized, the problems of low efficiency, insufficient coverage and feedback lag of a traditional method are solved, and the automation and intelligent level of construction collaborative management is improved.

The invention discloses a robot intelligent construction method, device and equipment, a medium and a product. The method is applied to a server and comprises the steps that a construction task set at the current construction moment is constructed according to a directed graph preset by a target building information model and the construction state of each component at the current construction moment, and the construction task set comprises a plurality of construction tasks, the directed graph comprises a plurality of components in the target building information model and a construction dependency relationship among the components, one construction task corresponds to one target component, and the target component is a component of which the construction dependency relationship and the construction state meet a preset condition; state information of the multiple robots at the current construction moment is obtained; distributing the plurality of construction tasks to the corresponding robots according to the state information of each robot at the current construction moment, so that each robot executes the corresponding construction task; and feedback data sent by the robots are received, and a building stability evaluation value at the next construction moment is obtained through calculation. According to the embodiment of the invention, the real-time stability of the construction process can be effectively supervised.

The invention discloses an energy consumption optimization method for integrating building structure parameters. The method comprises the following steps: acquiring geometric morphology, enclosure structure, equipment configuration, personnel activity and external environment data of a building in real time by using an intelligent sensor and a building information model; based on the collected data, calculating thermal load and energy consumption distribution of the building, extracting energy efficiency performance indexes, and establishing an energy efficiency baseline model; the thermal performance of the building envelope structure is dynamically adjusted by utilizing a self-adaptive envelope structure technology so as to adapt to external climate change and internal thermal load requirements; based on the optimized enclosure structure characteristics, an energy recovery system is started, and waste heat and air flow energy in the building are converted into available energy; in combination with energy efficiency data fed back in real time, the intelligent scheduling system dynamically adjusts the operation strategy of the building equipment, optimizes the energy efficiency, reduces unnecessary energy consumption and improves the comfort level; the building energy efficiency is evaluated regularly, and it is ensured that the building continuously maintains the optimal energy efficiency under different seasons, environment changes and use requirements.

The invention discloses a design parameter collaborative management method and device for a BIM platform, and relates to the technical field related to BIM, and the method comprises the steps: importing a forward design scheme of a thermal power plant into the BIM platform, and generating a design model; performing multi-dimensional accident tracing according to the design model to obtain an accident association map; obtaining a design adjustment space based on the demand and the map adjustment scheme; performing multi-dimensional risk prediction based on the BIM platform and the risk model to generate a risk prediction map; optimizing the adjustment space based on the prediction map and the risk constraint; through disturbance injection optimization, a final forward design optimization result is obtained, so that the technical problems of low design efficiency and difficulty in guaranteeing design quality caused by dispersed design parameters and insufficient collaboration of the thermal power plant in the forward design process of the traditional thermal power plant are solved, and multi-dimensional accident fitting tracing, risk prediction, optimization and other means are realized. The collaborative management level and design quality of the forward design parameters of the thermal power plant are improved, and the accident risk is reduced.

The invention relates to the technical field of construction management, in particular to a BIM (Building Information Modeling)-based engineering supervision management system and method.According to the BIM-based engineering supervision management system and method, spatial positions and states of construction machinery, vehicles and personnel are captured in real time through a sensor network deployed on site, and a core dynamic spatial conflict calculation module is used for calculating the safety of the construction machinery, the vehicles and the personnel according to a preset safety rule base; and millisecond-level conflict detection and prediction are carried out on the real-time dynamic safety envelope lines of the moving objects. And after potential risks are found, the system sends early warning of different levels from prompting to forced intervention to related personnel, so that a complete management closed loop from active perception and intelligent prediction to co-processing is constructed. Therefore, through pre-virtual simulation and in-process real-time intervention, the risk of major safety accidents such as collision and overturning caused by space conflicts is greatly reduced, and life safety is guaranteed. And by optimizing the construction space and logistics planning, shutdown and rework caused by conflicts are reduced, and the construction efficiency and the project management refinement level are improved.

The invention provides a dynamic carbon reduction method and system for a building air-conditioning system, and the method comprises the steps: obtaining a BIM building information model and multi-source heterogeneous data of the building air-conditioning system, and constructing a digital twinborn model of the building air-conditioning system based on the BIM building information model and the multi-source heterogeneous data of the building air-conditioning system; according to the dynamic digital twinborn model, creating a deep learning prediction model for performing synchronous time sequence prediction on the plurality of state variables; establishing a multi-objective optimization function taking the total operation cost, the total carbon emission and the comprehensive user comfort degree deviation degree in the prediction time window as objectives; solving a multi-objective optimization algorithm, and selecting an optimal control strategy from the Pareto optimal control strategy set according to the building operation contextual model; the operation scene modes at least comprise an economic priority mode, a low-carbon priority mode, a comfort priority mode and a power grid demand response mode; the problem that in the prior art, the reliability of carbon reduction of a building air conditioning system is not high is effectively solved, and the reliability of carbon reduction of the building air conditioning system is effectively improved.

The invention discloses a three-dimensional visualization method, system and device based on heterogeneous spatial data fusion and dynamic sectioning, and a medium, belongs to the technical field of urban information model visualization, and aims to solve the technical problem of how to improve data fusion efficiency, sectioning response delay and mobile terminal frame rate in a million patch scene. Light-weight and high-interaction visual display of scenes such as smart cities and underground pipe galleries is realized, and the defects of multi-source spatial data splitting, high sectioning interaction delay and poor cross-terminal compatibility are overcome. According to the technical scheme, heterogeneous data dynamic normalization is carried out, wherein local coordinates of a building information model, WGS84 coordinates of a geographic information system and computer aided design data are unified to an Euclidean coordinate system through a space dynamic reference conversion algorithm, and normalized data are obtained; constructing a semantic data relation graph; generating a dynamic sectioning plane in real time; vector elements are highlighted in a linkage manner; and carrying out cross-terminal adaptive rendering.

The invention relates to the technical field of building construction, and discloses a BIM (Building Information Modeling) deepening-based steel reinforced concrete composite column ultra-large-span corridor construction method, which comprises the following steps of: constructing a multi-modal sensing building information model, and integrating a fiber bragg grating and a distributed acoustic sensor on a steel member to form an intelligent member; establishing a data link between the intelligent component and the sensing BIM center and calibrating the data link; dynamic optimization control based on strain feedback is carried out on collaborative hoisting, and internal quality monitoring based on multi-modal sensing fusion is carried out on concrete pouring; after construction is completed, digital twin baseline calibration is carried out, and a data packet containing a structure initial state vector is generated. According to the method, the multi-modal sensing system and the BIM are deeply fused, and the whole construction process is penetrated, so that real-time, closed-loop and quantitative control of key procedures is realized, the safety, accuracy and quality of super-large complex structure construction are remarkably improved, and a high-fidelity digital twinning baseline is established for structural health monitoring of the whole life cycle of a building.

The invention discloses an augmented reality inspection method and device based on a building information model, and a medium. The method comprises the following steps: converting the building information model into a BIM conditional Gaussian point field and a semantic signed distance field, and collecting multi-source heterogeneous sensor data; constructing a joint optimization factor graph, calculating a current camera pose estimation value and a covariance matrix, and monitoring numerical values of a projection edge consistency residual error and an SDF distance residual error in real time; according to the uncertainty degree of pose estimation, the transparency and the shielding effect of augmented reality rendering content are dynamically adjusted, and when it is monitored that the alignment error of a local area exceeds a threshold value and the pose covariance is lower than the threshold value, local non-rigid deformation adjustment based on engineering tolerance constraint is triggered; generating a signature visual residual proof and carrying out digital signature and timestamp authentication; and mapping the signature visual residual proof to a pre-constructed hash tree to calculate a root hash value, and storing the root hash value and the digital signature to the block chain.

The invention discloses a planned building BIM-oriented underground space conflict detection method, which relates to the technical field of space detection, and comprises the following steps: determining a three-dimensional space range for conflict analysis according to basic design information of a planned building and site engineering geological information; the three-dimensional space range changes in the horizontal direction and the vertical direction along with the basic characteristics of the planned building and the surrounding soil conditions; based on a three-dimensional space range, intercepting all underground facility elements completely or partially located in the three-dimensional space range from a current underground space database, and defining the elements as a potential conflict element set; meanwhile, all foundation and underground structural members intersecting with the three-dimensional space range in the planned building are extracted and defined as a to-be-detected member set, the comprehensiveness and pertinence of underground space conflict detection are improved, and engineering risks caused by indirect conflict omission are reduced.

The invention discloses a BIM-based multi-dimensional collaborative engineering drawing automatic review method and system, and the method comprises the steps: obtaining BIM model data, and obtaining corresponding review standard provisions; on the basis of the review standard provisions, constructing review rules, and storing the review rules in a rule base; a rule importance level is preset for each review rule, and a parameter threshold value is preset for the review rule related to numerical value verification; analyzing the BIM model data, and constructing a model structure comprising components and association relationships among the components; loading a model structure through a rule engine, calling a digital review rule in a rule base, and carrying out logic judgment and space calculation on components in the model structure, so as to identify a model problem violating the rule; for each identified model problem, carrying out risk level evaluation on the model problem; and generating a structured review report based on the model problem and the corresponding risk level. According to the invention, regularized automatic review of the BIM model is realized.

The present disclosure presents systems and methods for automated determination of development code performance. One such method, among others, comprises storing, by a computing device, land development design data in a building information model (BIM) file or a Computer Aided Design (CAD) file, wherein the BIM or the CAD file comprises a permit application file having a design for the land development project; checking, by the computing device, the permit application file for code compliance with computable files defining land development codes; generating, by the computing device, an output report indicating whether the permit application file has passed a check for the code compliance; and transmitting, by the computing device, the output report to a client device of an applicant associated with the permit application file.

The invention provides a building point cloud high-precision automatic registration method based on multi-source sensor fusion, and relates to the field of data processing. According to the method, building point clouds are obtained through multi-source sensor fusion, a time sequence and coordinates are unified, noise and transient targets are removed through density distribution and an occlusion relation, a three-state point cloud label is generated, rough registration and global and local joint optimization are carried out in combination with semantic classification and a cross-scale semantic association graph, and a high-precision registration result is obtained. And on this basis, dynamic difference labeling is executed to generate a component life cycle map, a result is mapped to a building information model, reverse modeling data with life cycle attributes and an engineering application data set are output, and high-precision modeling and application of the whole construction process are achieved. By implementing the technical scheme provided by the invention, high-precision automatic registration of the multi-source point cloud data is facilitated, so that the data set which can directly serve building information modeling and engineering application is mapped.