84 results about "Model modification" patented technology

The invention belongs to the technical field of digital modeling, and relates to a three-dimensional automatic modeling method and system based on an AI large model technology, and the method comprises the steps: obtaining multi-modal data inputted by a user, and converting the multi-modal data into feature vectors in a unified coding format; generating a conflict arbitration result based on a priority rule preset by the user or a default physical reasonability rule; according to a conflict arbitration result, generating an initial three-dimensional model through a large language model and a neural radiation field which are jointly trained; inputting the initial three-dimensional model into a physical simulation engine for physical verification, and outputting a correction model containing a structure defect mark; the correction instruction is analyzed into a model parameterization adjustment command; and based on a parameterized adjustment command, correcting an associated region in the model to perform incremental solution and re-rendering to generate a final three-dimensional model, and updating a verification result of the physical simulation engine. According to the method, the problem that a fuzzy semantic instruction is difficult to accurately convert into a model modification action due to the fact that a multi-modal interaction technology stays at a basic parameter adjustment level is solved.

The invention relates to the technical field of bridge bearing capacity evaluation, and discloses an existing continuous beam bridge bearing capacity comprehensive evaluation method which comprises the steps that multi-source data are collected to construct a three-dimensional damage voxel field, and an initial finite element model is generated; simulating a heavy load identification control section, and designing an equivalent static load test scheme according to an equivalent internal force principle; executing a field static load test, collecting elastic response data and constructing an actual measurement response vector; calculating errors and iteratively adjusting parameters in a voxel field constraint range to finish model correction; and generating an operation space-time security envelope based on the correction model, and comparing the state in real time to output a control instruction. A three-dimensional damage voxel field is constructed, voxels are used as a normalized data carrier, discrete apparent and internal damage data such as three-dimensional laser scanning point cloud, ultrasonic velocity and rebound strength are mapped into a continuously distributed space field, and the space variability of the rigidity of an existing bridge material can be represented in a refined mode. And the accuracy of describing the physical current situation of the structure by the initial finite element model is improved.

The systems and methods disclosed herein monitor application (e.g., artificial intelligence (AI) model) operations using interactions between the application and a kernel. The systems and methods disclosed herein intercept, using a kernel interface, one or more function invocations transmitted from the application (e.g., an AI model without model modification). Event record(s) are generated for one or more functions to define process identifiers, resource interaction types, timestamps, and / or resource identifiers. Observed pattern(s) for the application are identified by comparing current event record(s) with previous record(s), and the identified observed pattern(s) are evaluated against reference pattern(s) to generate score(s). Data packet(s) that indicate observed pattern(s), corresponding score(s), and / or cryptographic digital fingerprint(s) of the one or more functions are generated. The data packet(s) are transmitted to distributed ledgers for immutable storage.

The invention discloses a BIM-based digital intelligent construction management method and system, and belongs to the technical field of construction management. A BIM collaborative management mechanism based on the combination of difference comparison, conflict detection, influence evaluation, approval control, version locking and recheck management is constructed; the problems that in the prior art, due to version control defects, multi-party model modification conflicts are not recognized, merging errors exist, construction errors exist and the like are solved, differences are automatically compared before the models are submitted, conflict areas are recognized, the influence of the conflict areas on the construction progress and space coordination is evaluated, merging can be achieved after approval of an approval system, and therefore the construction progress and space coordination accuracy is improved. According to the BIM collaborative construction method and system, a key area is constructed, a re-checking identifier is set for the key area, and meanwhile, related responsible person and operation information are recorded in the whole process to form a traceable data chain, so that the safety, accuracy and construction risk controllability of BIM collaboration are remarkably improved.

The invention relates to the technical field of multi-section and multi-BIM model file boundary connection review, in particular to a BIM model-based comprehensive consultation method and system, which can be used for quickly reviewing boundary connection and developing a corresponding review system. The problems that large-scale project boundary connection is complex, multi-section and multi-model file collaboration is not smooth, and more disassembly and modification are generated in the construction process are solved. According to the method, the BIM components related to boundary connection are pre-selected for highlight display or specific color setting, and the boundary connection of the model is pointedly examined. Through a multi-segment model boundary connection review opinion and model view angle association function, a space-time label and a VR view angle synchronization function, a problem component in a multi-segment multi-model file is quickly searched, and a review model modification condition is quickly checked; a new and old component mapping relation is automatically established by comparing characteristic values such as vertex coordinates and normal vectors, and automatic inheritance of highlight setting of updated components is achieved; and collision and disconnection pre-check is performed by using a spatial index algorithm, so that the review efficiency is improved.

The invention relates to the technical field of aero-engine modeling simulation, in particular to a model lightweight method and device, computer equipment, a medium and a program product. The method comprises the steps that after a modified model obtained by modifying an initial model is obtained, part recognition is conducted on the modified model, and a configuration file of the modified model is obtained; performing difference comparison on respective configuration files of the initial model and the modified model, and determining the modified element part as a modified part according to a comparison result; performing lightweight processing on the target model to obtain a lightweight model corresponding to the target model; and calling a rendering engine, and rendering the configuration information of the modified part and the lightweight model in the initial rendering model by using the rendering engine to obtain a target rendering model corresponding to the modified model. By adopting the method provided by the invention, the modeling simulation efficiency of the aero-engine can be improved.

Systems, apparatuses, methods, and computer program products are disclosed for providing accessible interface content. An example method includes receiving base interface content comprising one or more interface content components and determining a user population of interest and a platform of interest. The example method further includes generating one or more interface feature sets using a pre-processing model. The example method further includes modifying one or more interface content components for each interface feature set using feature modification models. The example method further includes generating modified interface content using a multimodal model based on the one or more interface feature sets and providing the modified interface content.

The invention belongs to the technical field of decoration engineering, and particularly relates to a BIM-based decoration supply chain data collaborative management method, which realizes deep fusion of model data and supply chain information by generating a commodity ID containing codes, models and parameters and establishing a unique binding relationship between the commodity ID and a BIM model component. Furthermore, difference detection is performed on model modification and inventory change by using a check code mechanism, and backtracking processing is triggered when the difference exceeds a threshold value, so that abnormal nodes are accurately positioned and repaired. According to the method, the synchronization efficiency and the data consistency between the BIM model and the supply chain database are effectively improved, the problem of collaboration obstacles caused by information asynchronization and version disorder is solved, and reliable data support is provided for digital management of decoration engineering.

The invention discloses an airfoil aerodynamic configuration adjusting method and device and a medium. Relates to the field of airfoil design, and solves the problems of high experiment cost and long iteration period caused by airfoil design optimization through a wind tunnel experiment. Geometric characteristics of the airfoil profile are converted into mathematical parameters through CST parameterization, airfoil profile performance data are rapidly obtained in combination with a preset selective neural network model, and the processes of physical model manufacturing, repeated blowing testing, CFD simulation, finite element analysis and the like in a traditional wind tunnel test are replaced. Hardware cost of wind tunnel equipment operation and maintenance, model processing and the like does not need to be invested, and material loss and time waste caused by physical model modification are also avoided. Besides, parameter disturbance, gradient optimization and geometric screening based on normal distribution are all realized through a computer algorithm, single-group parameter optimization can be quickly realized, and airfoil performance requirements under different working conditions can be quickly responded, while a traditional wind tunnel test needs several hours to several days for a single test, and the test needs to be rearranged after model modification.

The invention relates to the technical field of computer simulation, and provides a BIM (Building Information Modeling)-driven green performance real-time simulation analysis system, which is characterized by comprising a model analysis module used for importing and analyzing an original BIM file and extracting multi-source building component data; the model conversion module is used for constructing a unified scene model; the parameter association module is used for generating and outputting a synchronization parameter update package; the simulation calculation module is used for outputting a green performance index distribution diagram; and the interaction feedback module is used for converting the green performance index distribution diagram into a hot area visualization diagram, superposing and rendering the hot area visualization diagram into a unified scene model in real time, and when the user interaction operation is model modification and / or parameter analysis, generating a parameter modification instruction and sending the parameter modification instruction to the parameter association module so as to trigger a new round of simulation. Through a multi-source data dynamic fusion mechanism and a parameter bidirectional link technology, an interactive feedback closed-loop system from a BIM model to green performance analysis is constructed.

The invention discloses a BIM beam span modeling and reinforcement information management method and device, and the method comprises the steps: splitting an original beam member, and generating a plurality of beam span sub-members; the multiple beam span sub-components are combined according to a preset rule, and a beam component is generated; and on the basis of a design drawing, acquiring concentrated annotation reinforcement information and in-situ annotation information, and respectively writing the concentrated annotation reinforcement information and the in-situ annotation information into the beam component and the corresponding beam span sub-component to obtain a beam span BIM model with reinforcement information. According to the method, not only is the intuitiveness of model viewing improved, but also the workload of manual input is reduced through centralized labeling and storage of reinforcement information, and the calculation efficiency and accuracy are effectively improved. In addition, reinforcement information is effectively reserved in the model modification and transmission process, the risk of information loss and errors is reduced, and therefore the precision and efficiency of design and construction are greatly improved.

The invention discloses a system and a method for online upgrading of a real-time library model, and relates to the technical field of data processing of a power monitoring system, the system comprises a mapping file management module used for establishing a corresponding relation between a memory space and a disk file by adopting a mapping file; the layered shared memory module is used for constructing a three-layer shared memory structure of table division, paging and subpackage; the real-time library class combination module is used for defining a real-time library class, a real-time library table class, a real-time library page class and a real-time library package class; the model management tool module is used for providing operable model browsing, model modification, model release and model import and export functions; and the model upgrading operation module is used for reading the model change information from the commercial library and storing the model change information to the model change information array. When the model online upgrading task is processed, real-time library operation is not affected, a new transition real-time library is not introduced, original state data does not need to be migrated, and high efficiency and low occupation of model online upgrading are guaranteed.

The invention relates to a flood discharge gate weir crest and a design method thereof.The design method comprises the steps that S1, a flood discharge gate single-hole mathematical model is established, the boundary condition and the initial water flow condition of the mathematical model are determined, and numerical simulation calculation is conducted; s2, changing the length of the weir crest of the flood discharge gate, and respectively carrying out numerical simulation calculation; s3, according to the calculation result of the S2, the optimal range of the lengthening length of the weir crest is determined by taking the first risk value k1 of the impact trunnion as a judgment condition; and S4, establishing a flood discharge gate single-hole physical model, performing a physical model test on the schemes in the optimal range of the weir crest lengthening length determined in the S3, and determining the optimal scheme of the weir crest lengthening length by taking the second risk value k2 of the impact trunnion as a judgment condition. According to the method, firstly, a flood discharge gate single-hole mathematical model is established, an optimal scheme is preliminarily determined, the model modification frequency, consumables and cost of a physical model are reduced, then the optimal scheme of the length of the weir crest of the flood discharge gate is finally determined through a physical model test, and the risk that water spray on the surface layer of a nappe impacts a gate trunnion is reduced.

This invention provides an information processing device and a model modification method that improve the accuracy and reliability of radio wave propagation models. [Solution] The method involves acquiring a radio wave propagation model having a radio wave propagation area in a virtual space and objects within the area having predetermined radio wave propagation characteristics, acquiring radio wave propagation path information and reception level information for each receiving point in the model based on the simulation results of radio wave propagation, acquiring radio wave direction of arrival information and reception level information for each actual measurement candidate position in real space corresponding to the receiving point, deriving the difference between the reception level at the first receiving point and the reception level at the corresponding first actual measurement candidate position, extracting the second receiving point with the largest difference among the first receiving points, deriving the first direction of arrival received at the second actual measurement candidate position with the maximum reception level based on the direction of arrival information at the corresponding second actual measurement candidate position, extracting the first path that has a direction close to the first direction of arrival among the paths passing through the second receiving point, and correcting the radio wave propagation characteristics of objects on the first path.

The invention discloses an undercarriage beam model parameterization modeling method and device, a medium and a product, the method adopts Excel to construct part parameters in a part-level beam model, and quick modeling and efficient rigidity adjustment are realized by calling the part parameters; compared with a traditional manual modeling mode in which re-modeling is needed in single model modification, the process is tedious and the efficiency is low, the method has the advantages that the iteration efficiency of part parameters can be remarkably improved, the beam model parameter debugging period is greatly shortened, and powerful support is provided for efficient optimization of a design scheme.

The invention provides a model conversion method and device and a storage medium. The method comprises the steps of receiving a model conversion request sent by a client based on a designer canvas; the model conversion request comprises a domain model and a model type to be converted; loading a model conversion engine; calling a model conversion engine to convert the domain model into an application class model under the model type; and if the conversion is completed, storing the application class model into a model database. According to the embodiment of the invention, through a mechanism of converting the application model from the domain model and in cooperation with recording and storage functions of the conversion operation, tracing of the model modification history is realized, the user is guided to complete configuration selection and data input through the built-in and predefined model conversion engine, operations such as manual compiling of complex conversion scripts by the user are reduced, and the user experience is improved. The technical operation threshold is greatly reduced, omission or errors possibly caused by manual synchronous operation are effectively reduced through the mechanism, and the consistency maintenance level between different abstract levels is remarkably improved.

The invention relates to the technical field of computers, particularly provides a nuclear system model optimization method and system, a control device and a storage medium, and aims to solve the technical problem that a nuclear system model cannot be automatically optimized in the prior art. In order to achieve the purpose, the nuclear system model optimization method comprises the steps that the feature embedding amount of a to-be-optimized nuclear system model is obtained; based on a preset optimization algorithm, obtaining a to-be-optimized result of the to-be-optimized nuclear system model; analyzing the to-be-optimized result to obtain an optimization instruction sequence; and modifying the feature embedding quantity based on the optimization instruction sequence to obtain an optimized nuclear system model. According to the method and the device, the optimization result output by the optimization algorithm is analyzed into the model modification instruction for indicating the optimization of the corresponding parameters, so that the automatic optimization of the nuclear system model is realized, and the optimization efficiency is improved while the optimization effect is ensured.

The application discloses a feature-based rapid design modeling method for an aircraft structural member, which comprises the following steps: feature decomposition, feature structure analysis, feature template establishment, feature constraint creation, feature instantiation, feature surface simplification and correction, feature information extraction, generation of an assembly symmetric counter-piece and a non-complete assembly symmetric counter-piece, so that the computer can automatically create the relevant constraints between the base body and the created features by recognizing the position information of the created features and the base body, automatically generate the features by driving the CAA template program, freely modify the feature size parameters according to the user demand or increase or decrease the features on the original geometric body by Boolean operation to complete the variant design of the part, and freely extract the feature parameter information, thereby improving the freedom of the model modification of the aircraft structural member by the designer and the design efficiency of the aircraft structural member.

The invention relates to the technical field of building information models, in particular to a design collaborative modification method and system based on semantic packaging and BCF file transfer, and aims to convert a fuzzy natural language instruction into structured design modification semantics and transfer the design modification semantics through a BCF file, reduce communication cost and misunderstanding and ensure that the instruction is accurately understood; after approval is passed, the system can automatically execute model modification, low efficiency and error-prone performance of manual operation are avoided, and the advantages are more obvious especially for modification involving a large number of components or complex associations; by updating a BCF file and generating an XML log, information such as modification is completely recorded, and quality tracing, problem review and knowledge accumulation are facilitated; standardized semantics and BCF files provide common language and communication basis for designers with different professional backgrounds, and the cross-professional coordination process is simplified; and specific modification execution is automatically completed by the system, so that the dependence of common designers on complex BIM software operation commands is reduced.

The invention discloses a Python-based automatic 3D car model bridging Unreal Engine platform tool and a Python-based automatic 3D car model bridging Unreal Engine platform method, and the Python-based automatic 3D car model bridging Unreal Engine platform tool comprises an output module which is used for outputting a 3D car model as a 3D car model completely adaptive to the Unreal Engine platform; the modification module is used for modifying a Blender side code and converting an original skeleton binding process into a system automatic operation service; the data detection and correction module is used for detecting and outputting the data information of the modified model, material and skeleton of the 3D car model, the Python programming design automation is used for replacing the original Blneder for the 3D car model asset manufacturing process, the 3D car model management model, material, skeleton and animation data can be processed more quickly, the efficiency is greatly improved, the cost is reduced, and the method is suitable for popularization and application. In the execution process, the searched data which does not conform to the Unreal Engine platform specification can be automatically corrected or prompted to the user, and the model data naming and asset packaging of the design specification are convenient to screen and match the data effect after the process is finished.

The invention provides a modification method, device and equipment of an open neural network model and a readable medium, which are applied to a model modification tool and are used for creating a modification configuration file of the open neural network model based on a modification target of a user for the open neural network model; analyzing the modification configuration file to obtain related information of at least one modification operation of the open neural network model; determining the type of the modification operation based on the related information of the modification operation; based on the type of the modification operation, configuring an operation function for executing the modification operation for the model modification tool; performing modification operation on the open neural network model by using the operation function; and according to a modification result of the modification operation, constructing a target open neural network model, analyzing the modification configuration file by using a model modification tool, and automatically executing various modification operations for the open neural network model so as to reduce human errors, and the modification configuration file supports various types of modification operations for the ONNX model, so that the modification efficiency of the ONNX model is improved. And different requirements of users are met.

The systems and methods disclosed herein monitor application (e.g., artificial intelligence (AI) model) operations using interactions between the application and a kernel. The systems and methods disclosed herein intercept, using a kernel interface, one or more function invocations transmitted from the application (e.g., an AI model without model modification). Event record(s) are generated for one or more functions to define process identifiers, resource interaction types, timestamps, and / or resource identifiers. Observed pattern(s) for the application are identified by comparing current event record(s) with previous record(s), and the identified observed pattern(s) are evaluated against reference pattern(s) to generate score(s). Data packet(s) that indicate observed pattern(s), corresponding score(s), and / or cryptographic digital fingerprint(s) of the one or more functions are generated. The data packet(s) are transmitted to distributed ledgers for immutable storage.

The present invention discloses a fixed-wing UAV attitude adaptive control method based on model modification, belonging to the technical field of UAV flight control. The method includes: constructing a fixed-wing UAV attitude nonlinear model, and using the output information of the reference model and the UAV attitude nonlinear model to design a correction term to correct the reference model; taking the UAV desired attitude angle information, the output information of the reference model and the UAV attitude nonlinear model as the input of the radial basis function neural network to obtain an approximation value of the model uncertainty; designing an extended state observer to obtain an interference estimation value; and designing a UAV attitude controller and a neural network adaptive law based on the obtained approximation value of the model uncertainty and the interference estimation value. The present invention can enable the UAV to asymptotically track the desired reference trajectory and have strong anti-interference ability under the consideration of model uncertainty, control input saturation and wind interference effects.

The application provides a game scene generation method and device, computer equipment and a storage medium. The method comprises: generating an initial game scene according to model position information corresponding to a three-dimensional model; reading a hierarchical relationship between three-dimensional models in response to a model modification instruction for a target model; determining an associated model corresponding to the target model according to the hierarchical relationship; and modifying the target model and the associated model according to the model modification instruction to obtain a target game scene. The method provided in the application embodiment can read the hierarchical relationship between models from a preset modeling software after receiving a model modification instruction for a target model in a game engine, thereby determining the associated model corresponding to the target model in the initial game scene of the game engine, completing the synchronous modification of the target model and the associated model, effectively avoiding the problem of scene disorder caused by the loss of model information, and improving the creation efficiency of the game scene.

A system, method, and computer program product for implementing deep learning software model modification is provided. The method includes monitoring operational performance of a software model. An expected confidence level associated with the operational performance is first determined and it is determined that an inference associated with the expected confidence level is below a selected range of inferences associated with assigning new feature data as candidate video data. A candidate sequence comprising video data associated with the candidate video data is received and a similarity between frames of the candidate sequence is determined. A frame comprising a highest similarity with respect to segments of candidate video data is selected and it is detected that the frame is not associated with additional frames stored within a full cache structure. The software model is retrained such that the operational performance is modified.

1. The name of this design product: chamfering tool. 2. Application of this design product: used for model modification, internal and external chamfering of cylinders and circular tubes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a difference calibration method and device of an engine controller and electronic equipment, and comprises the following steps: determining whether a calibration data version corresponding to a controller is updated, determining new difference information of the controller in the case that the calibration data version is updated, wherein the controller comprises a main controller and a secondary controller; determining a difference calibration quantity of the controller based on the new difference information, generating target code according to the difference calibration quantity, and inserting the target code into a software integration baseline to obtain target calibration software; and calibrating the main controller and the secondary controller by the difference calibration quantity based on the target calibration software. The application can greatly improve the development and calibration efficiency, avoid meaningless repeated model modification, and improve software reliability by identifying the requirement of differential calibration, realizing the differential calibration quantity function value in the mode of automatic code without modifying the model and increasing the calibration quantity.

The invention provides a machine tool model correction analysis optimization method based on a dynamics evolution point set, and belongs to the field of machine tool finite element analysis. Firstly, a finite element model of a machine tool is established; secondly, constructing an improved Kriging agent model based on a dynamic evolution point set; and then, optimizing machine tool identification parameters by adopting a heterogeneous comprehensive learning particle swarm optimization algorithm improved based on a dynamic evolution point set. Finally, the optimized machine tool recognition parameters are substituted into the machine tool Kriging agent model, and a corrected machine tool finite element model is obtained. According to the method, the problem that the original Kriging model information coverage degree is not enough can be solved; when the model correction problem of the machine tool is solved, the agent model with higher precision can be generated; a heterogeneous comprehensive learning particle swarm optimization algorithm is improved through a dynamic evolution point set, so that the problem of non-uniform point set distribution of a traditional algorithm is solved, model parameters can be quickly and accurately identified, and the purpose of efficiently correcting a machine tool model is achieved.

The present invention discloses a model synchronization processing method and system for slice data management. The method includes: obtaining in real time the modification operations of a target user on target model slice data; predicting, based on multiple modification operations of the target user, the possible modification operations of the target user in the next time period; determining, according to the possible modification operations and based on a prediction algorithm, the corresponding model modification method and model modification position; and generating modification synchronization data corresponding to the model modification method and the model modification position in the cloud model data of the target model slice data in a cloud server. It can be seen that the present invention can fully combine user modification operation prediction to improve the efficiency of cloud model data modification synchronization, improve the intelligence and automation levels of user model modification operations, and give users a better use experience.

The application relates to a kind of Modelica model-oriented incremental compilation method and system, the method comprises: the abstract syntax tree of Modelica model is obtained by keyword matching to the Modelica model text edited and modified;Abstract syntax tree includes the definition and behavior of each component in Modelica model;Determine the changed part of Modelica model editing and modification based on abstract syntax tree and the change of last time;The intermediate representation of the changed part of Modelica model is instantiated;Intermediate representation includes: the argument tree of component and component behavior list;The intermediate representation of the changed part and unchanged part of Modelica model is integrated, and the complete representation of Modelica model is obtained;Through incremental compilation, the modified part of model can be quickly identified and locally compiled, so that the whole model is avoided to be recompiled, and the compiling efficiency is significantly improved.At the same time, incremental compilation can also effectively reduce the output of compiling diagnosis information, so that users can more easily obtain the diagnosis information related to the modified part, and further improve the modeling experience.