148 results about "Physical entity" patented technology

The invention discloses a virtual-real fusion interaction method and system based on digital twinning, particularly relates to the technical field of digital twinning and virtual-real interaction, and is used for solving the problem that semantic drift is difficult to monitor in a virtual-real fusion interaction process in the prior art. The method comprises the following steps: constructing a digital twin model consistent with a current state of a physical entity in a virtual space; accurate mapping of user operation and physical entities is realized through a multi-modal interaction algorithm; analyzing the energy change of an abnormal propagation path by using a multi-scale dissipation power network, and dividing the possibility of semantic drift into global or locality; when the semantic drift is likely to be locality, the semantic entropy value change degree caused by user operation is evaluated in combination with the maximum entropy principle, the change of the semantic graph topological structure is analyzed through the graph matching deformation network, the potential influence of the semantic drift is comprehensively evaluated, the accuracy and stability of virtual-real interaction are effectively improved, and the user experience is improved. And a technical support is provided for semantic drift monitoring and processing in a complex interaction scene.

The invention belongs to the technical field of automatic industrial sorting, and discloses an automatic sorting digital twin system and a construction method. The construction method comprises the following steps: constructing physical entities for executing different operation functions in automatic sorting based on a physical entity layer, and sending the physical entities to a digital twin platform layer; the digital twin platform layer constructs a three-dimensional virtual model synchronous with different operation functions executed by the physical entity through three-dimensional design software; the three-dimensional virtual model is dynamically updated in real time; and loading the three-dimensional virtual model to a three-dimensional engine of a visual application layer through a communication protocol or a transmission network, monitoring the real-time states of different operation functions of the physical entity in an industrial automatic sorting simulation scene, and visually displaying the real-time states through a user interface. The digital twinning platform of the automatic sorting system is constructed, and visual interaction, real-time data monitoring and virtual and real synchronous operation of the automatic sorting digital twinning system are achieved.

The invention discloses an intelligent construction method, system, equipment and medium based on a digital twin tunnel, and aims to construct a high-precision physical entity model by fusing dynamic and static data in real time through multiple types of sensors so as to improve data acquisition comprehensiveness; based on tunnel-level, soil-level and ground building-level multi-level modeling and finite element analysis, fine mechanical stability simulation is realized; multi-dimensional data features are extracted by combining a convolutional neural network algorithm, security risks are evaluated, and a reinforcement scheme is optimized through dynamic iteration; a closed-loop regulation and control mechanism of data monitoring, numerical simulation and dynamic feedback is formed by utilizing a collaborative architecture of a sensing layer, a simulation layer and a display layer, so that environmental disturbance is effectively reduced, and construction safety is guaranteed; according to the method, digital twinning, BIM, finite element analysis and deep learning are fused, real-time monitoring and intelligent optimization of the whole construction process are achieved, efficiency and safety are remarkably improved, and influences on the surrounding environment are reduced.

The invention discloses a calculation and measurement fused high-fidelity digital twinning dynamic monitoring method for a cantilever beam structure. Firstly, a real-time updated database is constructed based on a physical entity system; secondly, constructing a three-dimensional digital model by using SolidWorks, and performing multi-physics field simulation analysis in combination with Ansys to obtain high-precision mechanism data of a structural key area; thirdly, performing reduced-order calculation on a simulation result by using MWorks, training and optimizing a reduced-order model through a feedforward neural network, and reducing an error between simulation data and reduced-order data; fusing the one-dimensional system data order reduction model and the three-dimensional field data order reduction model based on a Modelica language; and finally, integrating a mechanism-data hybrid model, constructing a dynamic response characteristic and spatial distribution characteristic integrated high-fidelity digital twinborn body, comparing twinborn body calculation data with sensor actual measurement data in real time, and accurately representing geometric morphology, mechanical properties and dynamic behaviors of a physical system. The method is suitable for high-precision monitoring, real-time state evaluation and performance optimization of the cantilever beam structure.

The invention provides a crane with vibration fatigue damage deduction and control functions, which comprises a first sample generation module used for generating a first sample data set taking a generated lifting point and load combination as input and taking the fatigue life cycle index as output; the second sample generation module is used for generating a second sample data set taking the control parameter as input and the lifting dynamic load coefficient as output; and the optimization module is used for carrying out load combination according to an output result of the second prediction model and then inputting the load combination result into the first prediction model, carrying out fatigue residual life deduction of the crane, optimizing control parameters and realizing control on fatigue damage of the crane. According to the method, the influence degree of the dynamic load effect on the fatigue life can be deduced, a fatigue damage control strategy is given, the control parameters matched with the deduction result are fed back to the physical entity, regulation, control, improvement and upgrading of the physical entity are guided, fatigue damage delay and control of the crane are achieved, and the method has important engineering value.

A method, computer system, and a computer program product for digital twin usage are provided. A first digital twin and performance data of the first digital twin are input into a first machine learning model to produce a second digital twin. The first machine learning model performs neural network-based data clustering. The first and second digital twins digitally represent a first physical entity. The second digital twin includes one or more changes from the first digital twin. Performance data of the second digital twin is analyzed. In response to the analysis indicating a problem with the second digital twin, implementation of the second digital twin is revoked and the first digital twin is reimplemented

The invention provides a data maintenance management method and device for a three-dimensional digital twin model, and the method comprises the steps: collecting the operation state data of a physical entity in real time through Internet of Things equipment, and carrying out the data preprocessing operation of the operation state data; according to the parameter information of the physical entity, constructing a corresponding three-dimensional digital twinborn model, and fusing the preprocessed real-time operation state data with the three-dimensional digital twinborn model; and based on the three-dimensional digital twinborn model, analyzing the acquired data by using a configured machine algorithm, and generating a decision support report based on an analysis result. The invention aims to realize data maintenance and management of the three-dimensional digital twin model of the physical entity by utilizing technologies such as the Internet of Things, data mining and machine learning. Decision support is provided by collecting data of physical entities in real time and performing data analysis and model establishment and updating.

The invention discloses a method and system for constructing a digital twinborn body based on space-time coding and a computing device, and relates to the technical field of digital twinborn, and the method comprises the steps: obtaining the original real-time data of each physical entity of each target region collected by each data collection device in real time; performing data cleaning and formatting processing on the original real-time data of the physical entity to obtain target real-time data; acquiring geographical location information and time information of the physical entity, encoding the geographical location information and the time information to generate a space-time code, and associating the target real-time data with the space-time code to obtain space-time coded real-time data of the physical entity; and constructing a data twinborn body corresponding to the physical entity based on the time-space coding real-time data so as to monitor the state of the physical entity in real time based on the data twinborn body corresponding to the physical entity. According to the invention, high-precision mapping and real-time monitoring can be carried out on the physical entity, high-precision space-time synchronization of data from different sources can be realized, and the expandability is improved.

The invention discloses a masonry robot virtual-real cooperative control method and system based on digital twinning, and aims to realize high-precision and high-safety automatic masonry of a coke oven by a robot. The method comprises the following steps: firstly, constructing a digital twin system of a masonry robot, and setting a masonry robot entity industrial control process: firstly, conveying refractory bricks to a specified photographing position by a brick conveying platform, and then photographing and identifying by a truss clamping jaw; the truss clamping jaw moves to a refractory brick grabbing position for grabbing, and meanwhile, the mechanical arm with the slurry pipe is used for spraying slurry; and after the movable truss moves to the refractory brick placement position, accurate placement is identified. In the virtual-real cooperative control process, the virtual entity model is updated in real time through state information acquired by a sensor of a real system; making and optimizing a control strategy in the virtual environment; and real-time decision making is carried out by utilizing the virtual entity model, so that the operation of the physical entity is adjusted.

The invention discloses a large-span truss hoisting and splitting system and method based on digital twinning, and belongs to the technical field of building construction, and the system comprises a physical entity unit, a data acquisition and transmission unit, a digital twinning model unit, a function service and data analysis unit and an application and interaction unit. According to the invention, through real-time sensing of a physical entity state, multi-source data fusion transmission, high-precision digital twinning modeling, intelligent simulation analysis and decision optimization, and fusion of multi-modal man-machine interaction, a virtual control system which is in whole-course synchronous mapping and bidirectional interaction with a physical entity is constructed; according to the method, real-time visual monitoring, trend prediction and risk early warning of the hoisting and splitting process can be achieved, scheme preview and dynamic optimization are supported, virtual-real fusion operation guidance is achieved through the AR technology, and the safety, precision and efficiency of hoisting and splitting operation of the large-span truss are improved.

The invention discloses a digital twinborn model construction method, a life prediction method, a model construction device and equipment of a crane, and relates to the technical field of industrial Internet of Things, the method comprises the following steps: constructing a multi-dimensional digital twinborn model, the multi-dimensional digital twinborn model comprises a physical entity layer, a connection layer, a virtual model layer, a twinborn data layer and a service function layer, the virtual model layer comprises a target twin model, and the service function layer corrects key components of the crane; transmitting the physical parameters of the crane to a connection layer for preprocessing to obtain a physical data set; the physical data set is transmitted to a virtual model layer, and an initial twin model is obtained through kinetic analysis and knowledge graph processing; and transmitting the virtual data set to a twin data layer, calculating target correction parameters according to the physical data set and the virtual data set, and correcting model parameters of the initial twin model to obtain a target twin model. According to the method, the problem of insufficient physical mapping precision of the existing virtual model is solved.

The invention relates to a method, a device and equipment for constructing a digital twin model of a physical entity system. The method comprises the following steps: receiving physical entity models sent by each computing device in the distributed system and state data of each physical entity model; the physical entity model is a simulation model of a physical entity associated with the computing device; performing fusion processing on each physical entity model and the corresponding state data to construct a digital twin model of the physical entity system; the physical entity system comprises physical entities associated with all computing devices. By adopting the method, fusion processing can be performed on each physical entity model and the corresponding state data in a centralized manner through the cloud equipment, so that the digital twin model of the physical entity system can be accurately and efficiently fused and constructed, and the problem of difficulty in constructing a plurality of physical entities in related technologies can be solved.

The invention discloses an electromagnetic transient simulation and mapping method and system oriented to multi-physics field coupling, and belongs to the technical field of substation digital operation and maintenance and electromagnetic simulation. Deploying multiple types of sensors in a transformer substation, preprocessing the acquired multi-physical field data, and fusing with the three-dimensional twinborn model; a coupling algorithm is adopted to carry out multi-physical field coupling analysis, multi-physical quantity display and thermodynamic diagram superposition are realized, and scene evolution change simulation under various typical working conditions is supported; a micro-service architecture is adopted to construct a digital twin system, double closed-loop verification of simulation and actual measurement is performed through actual measurement data and simulation data of a real-model test field, model optimization is completed, and real-time mapping of electromagnetic transient dynamic simulation and a transformer substation physical entity is realized. The method improves the precision of model and entity mapping, meets the requirements of real-time tracking and response of the electromagnetic transient change of the transformer substation, adapts to the digital transformation of different transformer substations, and provides a basis for the operation and maintenance of the transformer substations.

The invention discloses a method and a device for generating a smart community digital twin interaction system. The method comprises the following steps: acquiring information data of each physical entity of a community; constructing a smart community three-dimensional model according to the information data; associating the physical entity with a virtual object corresponding to the physical entity in the three-dimensional model to enable the physical entity and the virtual object to form a mapping relation; designing an interaction logic and an interaction interface of the user and the three-dimensional model according to the mapping relation; according to the interaction logic and the interaction interface, generating an initial smart community digital twin interaction system; collecting feedback of the user in the initial intelligent community digital twin interaction system; and iteratively optimizing the interaction logic and the interaction interface according to the feedback, and generating the intelligent community digital twin interaction system. According to the intelligent community digital twin interaction system generated by the method, the community management efficiency can be remarkably improved, the life experience of residents is improved, and the sustainable development of the community is promoted.

The invention discloses a coal mine robot cluster-oriented virtual entity synchronous mapping method. The method comprises the following steps of: constructing a virtual entity synchronous mapping system consisting of a coal mine robot cluster physical entity, a coal mine robot cluster virtual entity, coal mine robot cluster twin data, cluster service application and information interaction; a coal mine robot cluster is used as a physical entity object, an OPC UA communication protocol is used for data collection, the collected data is processed, a virtual entity is driven in a script mode based on a Unity 3D physical engine, and therefore a virtual-real mapping channel is established; converting various non-standardized data structures of the robot cluster into standardized data structures; data of the heterogeneous robot are collected and transmitted through standardization of various communication protocols, and the data are used for driving the virtual entity model. The method has the advantage of performing synchronous mapping on the virtual entities so as to facilitate intelligent management and control.

One example method includes accessing a definition document that defines a digital twin. A substrate channel component is generated based on the definition document. The substrate channel component is used by the digital twin to communicate with physical entities that provide data to the digital twin. A dynamic substrate manager component is generated based on the definition document. The dynamic substrate manager component dynamically selects which of the physical entities that the digital twin is to be in active communication with so that the selected physical entity can provide data to the digital twin.

A method and system analyzing transactional data are provided. The method includes gathering transaction data related to a first physical entity; extracting a first set of features representing the first entity; gathering transaction data related to a second physical entity, wherein the at least one second physical entity is indirectly related to the first physical entity; extracting at least a second set of features associated with the at least one second physical entity; matching the first set of features to the second set features; and clustering the first set of features and the second set of features, when the first set of features matches the second set of features.

The invention relates to the technical field of facility safety alarm, and discloses an alarm method, device and equipment based on digital twinning, a medium and a product, and the method comprises the steps: constructing a digital twinning scene, and associating a three-dimensional model and a physical entity in the digital twinning scene; acquiring environment data and alarm logic data of a physical entity corresponding to the three-dimensional model in the digital twin scene; performing real-time rendering on the digital twinning scene according to the environment data, and simulating real environment change; judging whether a corresponding alarm event is triggered or not according to the alarm logic data and preset alarm logic, and when the alarm event is triggered, generating alarm information; and carrying out visual display on the alarm information in a digital twinborn scene simulating real environment change. According to the invention, a manager can directly know the environment state of the current park conveniently, so that a decision can be made quickly.

The invention discloses a physical collision monitoring and feedback method and device based on a digital twin engine and a storage medium, and relates to the technical field of data processing, and the method comprises the steps: carrying out the preliminary collision detection of a model physical entity in a digital twin model based on a to-be-detected physical entity, and determining a preliminary collision object; traversing the hierarchical tree of the hybrid hierarchical bounding box of the preliminary collision object in the digital twin model, checking whether each node is intersected with the bounding box of the physical entity to be detected layer by layer, and determining leaf nodes of the intersected hierarchical tree of the hybrid hierarchical bounding box; for leaf nodes intersecting with the bounding box of the physical entity to be detected, determining a collision detection result through geometric calculation, and synchronizing the collision detection result to the digital twinborn model in real time; and feeding back the collision detection result to a control system of the to-be-detected physical entity so as to adjust the running state of the to-be-detected physical entity. The technical effect of improving the instantaneity of collision monitoring and feedback is achieved.

The invention relates to the technical field of 3D simulation, in particular to an entity-based behavior event simulation modeling method and system.The multi-granularity space-time objects in a target battle case scene are extracted, the multi-granularity space-time objects comprise objects, behaviors and events, and the objects and the behaviors are used for describing static attributes of the battle case scene; the event is used for describing an action triggered by a battle behavior; according to the method, objects and behaviors are modeled as concrete entities, events are modeled as event entities, the concrete entities and the event entities are converted into a concrete entity class family and an event entity class family, entity objects are instantiated based on the concrete entity class family and the event entity class family, and association of time and behaviors between the entities is established. According to the method, the entity data are stored and managed independently of a visual engine, storage and management of entity behavior event data in a full-space geographic information system are supported, functional requirements such as war case time sequence deduction and dynamic updating can be met, and the method has a good application prospect in the field of war case deduction simulation.

The invention discloses a task processing method and an intelligent device, and relates to the technical field of intelligent devices, and the method comprises the steps: obtaining multi-modal data which comprises task information of a to-be-processed task in a real-time interaction scene of a physical entity and an environment; performing feature extraction and feature alignment processing on different modal data in the multi-modal data to obtain a first feature after feature alignment; performing cross-modal data retrieval on a knowledge base based on the first feature to obtain target retrieval data; performing feature fusion on different modal data features in the first features to obtain second features; and making a decision based on the target retrieval data and the second feature by using a decision model to obtain an action instruction sequence, and executing the to-be-processed task based on the action instruction sequence.

The invention discloses a hot updating and hot loading method for a digital twin development management platform, and aims to solve the problems that in the prior art, it is difficult to quickly respond to data changes, it is difficult to ensure that a model can reflect the state of a physical entity in real time, and it is difficult to ensure the consistency and real-time performance of data in the collecting, transmitting and processing processes. The method comprises the following steps: in response to a platform hot update instruction, analyzing content needing to be updated and a corresponding hot patch; and updating a platform configuration file, a platform asset file and a project and scene file, and after updating is completed, loading the new project and scene file into the digital twin development management platform to ensure that the platform loads the latest settings, projects and scenes. According to the method, the data change is quickly responded under the condition of not interrupting the service, so that the model can reflect the state of the physical entity in real time, and the overall flexibility, reliability and efficiency of the platform are improved.

The invention discloses a BIM (Building Information Modeling)-based hidden project information tracing method, which realizes bidirectional synchronization of a physical entity and a digital model by distributing a unique identifier for a hidden project and binding the unique identifier with a BIM preset path attribute and collecting construction data in real time in combination with the Internet of Things. When the pre-embedded path deviation is detected, the system automatically triggers early warning and generates a correction record, the correction record is updated to the BIM database in real time, and it is ensured that the model data are consistent with the real scene pre-embedded position all the time. Meanwhile, through deep fusion of the live-action three-dimensional model and the BIM, the spatial relation of hidden engineering can be visually presented, construction decision optimization is assisted, the reworking risk is remarkably reduced, the engineering quality and the construction efficiency are improved, reliable data support is provided for building intelligent management, and then the problems that dynamic association is not formed between an existing BIM model and a live-action pre-embedded position, and the construction efficiency is poor are solved. The technical problems that BIM model data records are deviated from actual live-action pre-embedded positions, and pre-embedded full-life-cycle tracing is affected are solved.

Rendering digital twin include receiving metrics associated with a physical entity, the metrics received using an established real-time data synchronization protocol. The received metrics is analyzed. Based on the analysis of the received metrics, digital twin corresponding to the physical entity is updated, the digital twin being a virtual representation of the physical entity.

The invention discloses a remote intelligent control system and control method for a crane, and relates to the technical field of crane control, the system comprises the following components: a physical entity layer, a digital twinborn layer, a 5G transmission layer, a VR interaction layer and a virtual-real calibration layer; according to the method, an equipment state predictive modeling technology is adopted through a digital twinborn layer, historical operation data of a crane are collected, an equipment state database is constructed, key features related to equipment faults are extracted, and an equipment state prediction model is constructed based on a long-short-term memory network; according to the method, the change trend of equipment state parameters in the future 72 hours can be predicted, when the predicted state parameters approach or exceed a fault threshold value, the system can automatically mark corresponding parts in the digital twin, generate maintenance suggestions and synchronize the maintenance suggestions to a VR interaction layer to prompt an operator, and the maintenance suggestions are displayed in the VR interaction layer. According to the predictive maintenance mechanism, equipment faults can be early warned and processed in advance, the non-planned downtime is shortened, and the operation and maintenance cost is reduced.

The invention discloses a tunnel safety management method, device and equipment based on a digital twin model, a medium and a product. The method comprises the following steps: obtaining structure data corresponding to a target tunnel; constructing a digital twin model corresponding to the target tunnel according to the structure data corresponding to the target tunnel; and performing safety management on the target tunnel based on the digital twin model corresponding to the target tunnel. According to the technical scheme of the invention, the safety monitoring of the whole tunnel can be realized, and the problem that the safety monitoring of a local area can only be realized in the prior art is solved; besides, through real-time data analysis and feedback of the digital twin model, accurate sensing, dynamic monitoring and intelligent control of the physical entity state are realized, the intelligence and automation degree of emergency response processing is improved, and the problems that in the prior art, expert experience is relied on, and the intelligence and automation degree is lacked are solved.

The invention discloses a high-concurrency-oriented digital twin platform, and relates to the technical field of computers. The platform comprises a physical data acquisition and processing module, a digital virtual modeling module, a platform service integration module, a virtual simulation module and a physical entity monitoring module, the physical data acquisition and processing module is used for acquiring operation parameters of a physical entity and modeling data of the physical entity, and preprocessing the operation parameters and the modeling data to obtain target operation parameters; the digital virtual modeling module is used for utilizing preset three-dimensional modeling software to construct a three-dimensional model through the target operation parameters; the platform service integration module is used for deploying the three-dimensional model on a digital twin platform; the virtual simulation module inputs the simulation data into a three-dimensional model deployed on the digital twin platform and determines a simulation result of the three-dimensional model; and the physical entity monitoring module is used for determining the working risk level of the physical entity corresponding to the three-dimensional model according to the simulation result, thereby realizing prevention and control of the risk of the physical entity and ensuring the operation stability.

Methods and apparatuses for radio communication. The method includes transmitting first information that characterizes at least one quality associated with a downlink channel received by a radio terminal and transmitting second information that characterizes a present or future environmental situation of a physical entity that is associated with the radio terminal.

A management method and apparatus based on a digital twin service, the method comprising: a first device creates at least one digital twin instance according to first information and data of a physical entity, the first information being used for indicating creation of a digital twin requested by a second device, the at least one digital twin instance corresponding to the physical entity, the first equipment is used for managing a physical entity; and sending second information to the first device, the second information comprising information of the at least one digital twin instance, the second information being used for indicating an operation executable on the digital twin instance. According to the scheme provided by the invention, the more accurate digital twinborn body can be constructed, the digital twinborn body is constructed by the manufacturer domain management system, and the digital twinborn service is provided for the operator OSS domain.

An architecture that supports a process control or automation system may include an authentication service that determines whether an entity (e.g., a human entity, an automation entity, a virtual entity, or a physical entity) is a party claimed by the entity, and an authorization service that determines whether to allow the entity to access a request for a resource. The authentication service provides a unique identity of the entity and corresponding security credentials, such as tokens used during authorization. The authorization service authorizes the entity to access the requested resource based on the role-based rights of the role to which the entity is assigned and the resource access rights to protect the requested resource. The role-based rights and / or the resource access rights may be ranked, respectively, to limit or constrain actions, activities, operations, and / or resource access based on specified criteria. Each entity may be authenticated, and each request of the authenticated entity may be authorized.