679 results about "Collaborative design" patented technology

The invention discloses a GPU computing power resource scheduling method and device based on load awareness and a medium, and relates to the technical field of computing power scheduling. The method comprises the steps that according to the video memory capacity and the number of calculation cores of the GPU, the video memory capacity is divided into a plurality of continuous fragments, the calculation cores are divided into a plurality of logic calculation groups, and sub-resource units are obtained; recording occupation states and load indexes of the sub-resource units in real time to obtain a resource pool; analyzing a job submitted by a user, and collecting an execution period of a kernel function, a video memory access mode and an instruction pipeline blocking rate when the job runs; and on the basis of a reinforcement learning algorithm, predicting a resource demand inflection point of the job according to the load fingerprint model, performing hierarchical scheduling on the sub-resource units based on virtualization isolation and multi-dimensional resource quantitative evaluation, and generating a preemptive allocation strategy of the sub-resource units. According to the method, efficient utilization and secure sharing of GPU resources are realized through collaborative design of dynamic granularity segmentation, load aware scheduling and hardware-level security isolation.

The invention relates to the technical field of CAD drawing optimization, and discloses a CAD drawing optimization method based on parameterized design. The method comprises the steps that a design constraint condition set is received, and geometric constraint parameters and engineering constraint parameters in the design constraint condition set are extracted; generating an initial geometric topological structure according to the geometric constraint parameters, and performing parameterized mapping on the structure in combination with the engineering constraint parameters to form a parameterized geometric model; identifying key feature nodes in the model, dynamically associating the key feature nodes with engineering constraint parameters, and constructing a parameter-driven relation network; and iteratively optimizing the parameterized geometric model through the network to generate an optimized geometric model meeting a design constraint condition set. According to the method, close association of geometry and engineering constraints is achieved, repeated design modification is reduced, efficiency and accuracy are improved, the design standardization degree can be improved, collaborative design is facilitated, and the method is suitable for CAD drawing design of complex products.

The invention belongs to the technical field of computer aided design, and provides a spinning equipment design assisting method and system based on model collaboration. The method comprises the steps that a collaborative design system is constructed, a large language model receives design requirements of a user, performs task decomposition and calls corresponding professional agent models to execute design subtasks, and the professional agent models feed simulation calculation results back to a closed-loop feedback engine; the closed-loop feedback engine analyzes feedback results of the professional agent models and generates attention prompt signals pointing to potential design conflicts or optimization bottlenecks on the basis of interdisciplinary parameter coupling relations; and the large language model performs multidisciplinary coupling analysis by using the attention prompt signal, dynamically adjusts task planning and design parameters by focusing on key parameters and key disciplines pointed by the attention prompt signal, and drives related professional agent models to perform directional iterative optimization. According to the method, the blind iteration problem can be effectively avoided, and the convergence speed of the design and the scheme quality are improved in a high-quality mode.

The invention relates to a visual component management method and system based on support of multi-user collaboration, and belongs to the technical field of computer software collaborative design. Wherein multi-party editing requests are received and verified through a cooperative access mechanism, structured component data are constructed by using a component modeling model, concurrent control and a difference buffer are adopted to coordinate parallel modification, write conflicts are identified and processed based on a conflict detection algorithm, and traceable management of component versions is realized through a snapshot generation model. According to the method, efficient, consistent and conflict-controllable unified management of the visual components in a multi-person online cooperation scene is realized, and the cooperation efficiency of component development and the system reliability are effectively improved.

The invention discloses an expressway toll collection robot system, relates to the technical field of expressway toll collection, and constructs a full-process automatic expressway toll collection robot system through collaborative design of a toll collection control module and a special situation scheduling module. The charging control module integrates various types of hardware, realizes automatic identification of vehicle information, fee calculation and passage control, replaces manual work to complete a standardized charging process, and remarkably reduces manual operation errors and time consumption. The special situation scheduling module is used for quickly positioning the type of a special situation through object association relationship analysis for an abnormal state in a charging process, and scheduling staff to intervene; different from a traditional post response mode, the module predicts the severity level of a special situation based on flow characteristics, equipment states and environment characteristics by training a special situation prediction model and configures the number of workers in advance, so that lane congestion can be effectively avoided, and the overall traffic efficiency is improved.

The invention relates to the technical field of mobile pump collaborative operation, and particularly discloses a tandem type multipurpose crawler mobile pump collaborative operation system which is characterized in that the system acquires pressure data through a pressure drop capturing module and analyzes a pressure-bearing compensation value, and whether a low-pressure trap appears or not is judged; a margin analysis module is combined with the compensation efficiency coefficient to dynamically calibrate the collaborative cavitation margin; the cavitation trend is recognized based on the cavitation proximity by means of a controllable analysis module, and when cavitation forms positive feedback, hierarchical collaborative optimization is conducted on the moving pump; and finally, a coherence model of pressure pulsation and stress waves is established based on cavitation collapse characteristics through a conduction verification module, and a low-pressure trap improvement degree model is established to evaluate the improvement degree. According to the method, the cavitation fault of the series pump set can be prevented, pressure loss under complex working conditions can be dynamically adapted, and collaborative design and operation of the series pump set are optimized.

The invention provides a metro section parameterized linear digital model construction method based on Revit and Dynamo, and the method comprises the steps: building a three-dimensional space control reference through analyzing track line design data, and constructing a metro section model in a manner of combining parameterized modeling with an intelligent algorithm; the contact network and pipeline models are ensured to meet the standard requirements through real-time verification of the conductor height change rate and the turning radius-pipe diameter matching matrix; space coordinate unification and interface matching precision control are achieved through a multi-professional model cooperation system, and a parameter linkage updating mechanism is established to respond to design changes; and finally, outputting an LOD400 precision BIM model and associating construction data for dynamic correction, and supporting RVT / IFC format conversion and engineering quantity automatic statistics. The method is mainly used for efficient collaborative design and construction management and control of metro sections, the modeling precision and the multi-specialty coordination efficiency can be improved, and the design error rate is reduced.

The invention discloses a post-pumping air tank robustness collaborative design method considering hydraulic parameter time-varying characteristics, which comprises the following steps: defining a hydraulic parameter uncertainty fluctuation interval of a water delivery system in a full life cycle, and setting a body structure decision variable range of a post-pumping air tank; performing combined sampling in the water conservancy parameter uncertainty fluctuation interval and the body structure decision variable range by using a test design method to generate an initial sample set; performing steady-state and transient-state coupling simulation on the initial sample set, constructing a constant-flow operation condition of the water delivery system by using a hydraulic equation, updating a water pump working point and pipeline pressure distribution, performing transient simulation by using a characteristic line method to obtain a hydraulic response index, and training to obtain a water hammer response agent model; constructing a robustness optimization objective function based on failure probability constraint; and performing global optimization on the target function by using an intelligent optimization algorithm, calling the water hammer response agent model to perform random simulation, evaluating a failure probability, and outputting a target design scheme.

The invention relates to the technical field of component collision detection, in particular to a building component-level collision detection method and system fusing multi-model semantics. The method comprises the steps of obtaining building component model data; component attribute extraction and semantic recognition are carried out according to the obtained building component model data; carrying out space conflict detection on the extracted information based on a bounding box and grid Boolean operation; judging conflict types and levels by utilizing a component attribute semantic library; and outputting a judgment result. By introducing a component attribute semantic database and combining semantic discrimination rules to match conflict types, 'acceptable conflicts' and'substantive conflicts' can be accurately distinguished, non-key conflict information can be automatically filtered, the false alarm rate is greatly reduced, the screening workload of designers is reduced, and collaborative design verification focuses on the core problem affecting construction safety and function implementation.

The invention provides a progress and resource management linkage application system based on BIM, relates to the technical field of building management, and is suitable for full life cycle management of design, construction and operation of a building. The system comprises a demand modeling module, an intelligent equipment optimization module, a collision detection and progress optimization module, a multi-professional data integration and real-time simulation module, a building full-life-cycle intelligent management module and the like. By optimizing arrangement and streamline design of equipment, the space utilization rate and the medical service efficiency are improved; in the construction stage, a collision detection function and a digital twinning technology of the BIM are utilized to realize multi-specialty collaborative design and progress optimization; in the operation stage, the operation state of the equipment is monitored in real time in combination with an Internet of Things sensor, a preventive maintenance plan is generated, and energy consumption management is optimized through energy consumption data analysis. The system improves the design precision and construction efficiency of the building and the intelligent level of equipment management and operation maintenance, and has a wide application prospect.

The invention discloses a compostable and reslurrable mineral-based dual-scale barrier coating as well as preparation and application thereof, and belongs to the technical field of water-based and reslurrable barrier materials. In order to overcome the defects of high coating weight, large color difference or difficulty in recovery in the prior art, a compact barrier is constructed through double-scale collaborative design of interlayer intercalation of layered double hydroxides and interparticle metal micro-networks. The method has the prominent advantage that high-efficiency water-oxygen barrier better than that of a conventional scheme can be realized only by using an extremely low coating amount. Meanwhile, the coating strictly controls color difference to maintain high whiteness of the paper, has pH responsiveness, can be quickly unlapped and dispersed under an acidic condition, and is easy to re-pulp. The coating does not contain PFAS and PVDC, and unification of high barrier, high whiteness and recoverability is achieved.

The embodiment of the invention discloses a standard text generation method and device based on a rule engine and a large model, electronic equipment and a computer readable storage medium, and provides a complete technical path from knowledge driving to structure output through the standard text generation method based on the rule engine and the large model. The defects in the aspects of grass drawing efficiency, intelligence and knowledge reuse in the prior art are overcome. According to the system, through collaborative design of the knowledge base, the rule engine and the large model, full-process intelligent drafting and detection of standard documents from classification to output are achieved, content logical reasoning and automatic term generation are achieved by building the standardized knowledge base and combining the rule engine, dependence on artificial experience can be effectively reduced, and the system is high in practicability and high in practicability. According to the method, the draft cycle is remarkably shortened, the consistency and normalization of standard texts are improved, the standard writing efficiency is improved, and the method has remarkable practical value and popularization prospects.

The invention discloses an engineering collaborative design method and system based on a BIM technology, and relates to the technical field of construction collaborative management, and the method comprises the steps: extracting associated geological parameters from an initial BIM model, and generating a parameter adjustment instruction set through a multi-objective optimization algorithm by taking structure safety and construction cost as constraint conditions in combination with a high-risk component; performing block chain evidence storage on the parameter adjustment instruction set to generate an encryption instruction block; performing hierarchical compression on the encrypted instruction block by adopting a lightweight algorithm, and outputting a lightweight collaborative instruction set; and the lightweight collaborative instruction set is distributed to the AR terminal through the 5G-UWB network, and the geological risk area and the component change scheme are displayed in the construction scene in an overlapping manner. The timeliness and scientificity of risk early warning are remarkably improved by solving the surrounding rock-support structure multi-physics coupling equation in real time on the basis of the initial BIM model and outputting the risk state tensor.

The invention provides a transformer substation civil engineering digital design system based on a domestic BIM platform, and the system comprises a building design module which is used for constructing a building professional model through employing a building component library; the general drawing design module is used for generating a general drawing professional model based on a parametric modeling technology; the water supply and drainage system digital design module is used for generating a water supply and drainage pipeline design scheme according to the water supply and drainage professional component library and determining a water supply and drainage professional model; the heating and ventilation system digital design module is used for determining the fan equipment model and the air pipe diameter according to the professional building model and determining a professional heating and ventilation model; and the multi-specialty cooperation module is used for carrying out online synchronous modification and real-time updating processing on the building specialty model, the general drawing specialty model, the water supply and drainage specialty model and the heating and ventilation specialty model. According to the method, building, general drawing, water supply and drainage and heating and ventilation multi-specialty collaborative design is achieved based on domestic BIM platform construction and through the parameterized modeling technology, and the design efficiency and the achievement standardization are improved.

In some embodiments, a computer-implemented method for role-based and attribution-tracking collaborative design based on manufacturing constraints is disclosed. A method comprises: receiving product description data for an interactive design; wherein the product description data for the interactive design comprises data for generating a graphical visual representation of a physical product that is capable of custom manufacture with a plurality of variable product attributes; parsing the product description data to identify a plurality of global-key-values pairs journaled within the product description data and associated with contributors; based on, at least in part, the plurality of global-key-values pairs, constructing an ownership-attribution tree; based on the ownership-attribution tree, generating manufacturing instructions for customizing the physical product and according to the plurality of variable product attributes; and transmitting the manufacturing instructions to a product customization server to cause a manufacturing entity to proceed with generating a customized product based on the manufacturing instructions.

The invention discloses an antistatic agent for polyolefin film material production and a preparation method thereof. According to the invention, through reasonable molecular structure design, raw material selection and synthesis process optimization, the antistatic agent has multiple functions of high-efficiency antistatic property, oxidation resistance, antibacterial property, mechanical property enhancement and the like. The polyolefin material added with the multifunctional antistatic agent has good antistatic performance under different environmental conditions, and the oxidation resistance, the antibacterial property and the mechanical property are also remarkably improved. The antistatic agent has good adaptability with processing of a polyolefin film material and has wide application prospects and market competitive advantages, and the comprehensive performance of the polyolefin film material is remarkably improved through multi-component collaborative design. The composite system of the polyolefin quaternary ammonium salt and the graphene quantum dots strengthens the long-term effect of the antistatic effect, and meanwhile, the synergistic effect of the hindered phenol and the phosphite strengthens the antioxidant stability of the material in the processing and using processes.

The invention discloses a two-dimensional large-angle fast reflecting mirror device based on a sheet-shaped flexible support, a flexible support assembly comprises a flexible connecting sheet of a hollow structure and a flexible connecting rod, one side of the flexible connecting sheet is fixedly connected with a reflecting mirror assembly, and the other side of the flexible connecting sheet is fixedly connected with a base; the axial direction of the flexible connecting rod is perpendicular to the plane where the flexible connecting piece is located and penetrates through the center of the flexible connecting piece, one end of the flexible connecting rod is fixedly connected with the center of one side of the reflector assembly, and the other end of the flexible connecting rod is fixedly connected with the center of one side of the reflector assembly. The electromagnetic driving assembly penetrates through the flexible connecting piece and then is fixedly connected with the reflector assembly and the base. The sensor assembly is fixedly arranged at the central position of the base and is spaced from the reflector assembly by a first preset distance. Through the collaborative design of a flexible connecting piece-flexible connecting rod composite supporting structure and an obliquely-arranged moving magnet type electromagnetic driving assembly, the two-dimensional large-angle deflection capacity of the magnitude of + / -10 degrees is achieved.

The invention discloses a concrete member reinforcing steel bar identification and dislocation connection collaborative design method and system. According to the method, point cloud data of an exposed reinforcement area are collected through high-precision three-dimensional laser scanning, and precise three-dimensional geometric parameters of existing reinforcements are obtained through registration, denoising and geometric reconstruction; on the basis, a multi-target optimization model which takes bearing capacity maximization as a core target and takes distribution uniformity and symmetry into consideration is constructed, a two-stage optimization strategy is adopted to automatically solve an optimal arrangement scheme of newly-added reinforcing steel bars, and a digital result capable of being directly constructed is output after performance checking. The system comprises a data acquisition module, a point cloud processing and reconstruction module, a collaborative optimization design module and a scheme output and check module. According to the method, full-process automation from reinforcing steel bar recognition to optimization design is achieved, and the design quality and efficiency of reinforcement engineering are remarkably improved.

The invention discloses a soil-vegetation collaborative ecological restoration method aiming at a shrub invaded wetland, which comprises the following steps of: performing targeted restoration on key factors of soil by designing a fish-scale pit and a composite water-retaining matrix and a layered pH regulation method, controlling the water content and the pH of the soil at a certain level, and performing vegetation reconstruction. High-leaf-area (LA) type plants, high-specific-leaf-area (SLA) type plants and deep-root-system plants are planted in a matched mode, leaf dry matter accumulation is reduced through the canopy complementary effect, and the soil nitrogen conversion efficiency is improved through rhizosphere collaborative design; and finally, the intelligent control system performs long-term monitoring and feedback regulation on the soil condition, so that the maintenance energy consumption is reduced. According to the method, long-acting recovery of the degraded wetland is realized through a closed-loop system of soil matrix improvement, vegetation function configuration and feedback maintenance.

The invention discloses an intelligent engineering design method and system based on LLM and MCP. The method comprises the following steps: receiving a design demand described by a natural language of a user; using a large language model to query registration metadata of a pre-created MCP operator, and based on the registration metadata, performing analysis and intelligent arrangement on the design demand to generate an executable MCP operator calling sequence subjected to dependency sorting; and scheduling the corresponding MCP operator by utilizing an execution engine according to the MCP operator calling sequence to complete the design requirement. According to the method, the cognitive ability of a large language model is combined with reliable execution of a professional operator, through metadata driving and process tracing, uncertainty caused by direct dependence on the large model is effectively avoided, and efficient, safe and controllable intelligent man-machine collaborative design of complex engineering is achieved.

The invention discloses a multi-target constraint force control parameter determination method and a control system for a machine dexterous hand, and the method comprises the steps: obtaining multi-mode state data, determining a current operation stage and an object attribute, constructing a candidate force control parameter set, carrying out the multi-target optimization through employing an NSGA-II algorithm under multiple constraints, obtaining a Pareto optimal solution set, and carrying out the multi-target constraint force control of the machine dexterous hand. And after the target force control parameter group is determined, performing safety projection correction on original control output, and controlling the dexterous hand to execute operation. According to the scheme, through closed-loop collaborative design of stage recognition, parameter optimization, safety correction and online reconstruction, contact safety, grabbing stability, response performance and energy consumption control are considered, the grabbing success rate is increased to 95% or above from 75%, the contact peak force is reduced by 36%, and the control reliability of multi-finger collaborative operation is improved.

The invention relates to the technical field of titanium alloy investment precision casting, and particularly provides a titanium alloy multistage deep blind hole investment casting method which comprises the following steps: designing an exhaust hole and a slag removal hole; establishing a model; assembling and welding; soaking the surface layer in a vacuum negative pressure environment, continuously vacuumizing, deflating after soaking, taking out the module, and rotating to uniformly control the slurry; preparing a surface layer; performing segmented grouting on the deep blind hole; making a shell from a back layer; roasting and molding; washing and drying; pouring is conducted; shell cleaning and sand blasting; sealing and welding the process holes; and performing stress relief annealing. And a dynamic vacuumizing means is adopted, and a vacuumizing device is always kept in an open state, so that the compactness of a surface layer is improved, and burrs of a casting are reduced. Through vacuum dynamic slurry immersion, segmented grouting and collaborative design of the exhaust hole and the slag removal hole, investment precision casting forming of the high-precision oil pump shell can be supported, the shell manufacturing efficiency of the multi-stage deep blind hole is improved, and the filling defect rate is reduced.

The invention discloses a high-quality teaching system which comprises an integrated support which is hung on a ceiling, a control shaft is integrated on the integrated support, the bottom of the control shaft is connected with a projector shell, the high-quality teaching system further comprises a teaching blackboard, a follow-up display structure is arranged on the teaching blackboard, and the follow-up display structure is connected with the projector shell. A following adjusting structure is arranged between the control shaft and the integrated support. The invention relates to the technical field of teaching, according to the high-quality teaching system, through spatial reconstruction and intelligent collaborative design, the problem of spatial conflict between traditional multimedia equipment and a blackboard is thoroughly solved, the integrated support realizes projection and sound equipment aerial integrated layout, and the wall space is remarkably released; the movable blackboard system and the automatic tracking projection cooperatively operate, so that a projection picture is adaptive to a blackboard writing area in real time; the modular design greatly improves the equipment deployment efficiency, a teacher can realize seamless switching of'blackboards, namely screens' without manual adjustment, and a highly flexible and space-intensive teaching environment is constructed.

The present invention discloses a green energy-saving curtain wall and a construction and renovation method thereof. The present invention relates to the field of building curtain wall technology, comprising a glass frame, two ventilation boxes and a photovoltaic frame, the two ventilation boxes being respectively installed at the upper end and the lower end of the glass frame, the photovoltaic frame being fixedly installed at the side wall of the glass frame, a clamping and fixing structure being installed inside the glass frame, a ventilation control structure being installed inside the two ventilation boxes, a connecting structure being installed outside the two ventilation boxes, and an extension control structure being installed on one side of the photovoltaic frame; the present invention provides a green energy-saving curtain wall, which optimizes functionality, installation efficiency and energy utilization efficiency through multi-structure innovation collaboration and multi-structure collaborative design, adopts thin-film photovoltaic glass and adjustable photovoltaic panels for collaborative power generation, the curtain wall main body is embedded with thin-film photovoltaic glass, and combined with the angle-adjustable photovoltaic panels in the extension frame, a dual power generation structure is formed.

The invention discloses a three-dimensional human body posture estimation method based on double-branch space-time perception. The three-dimensional human body posture estimation method is specifically implemented according to the following steps: step 1, data preprocessing; 2, constructing a feature enhancement branch based on a space-time receiving weighted key value; step 3, constructing a feature enhancement branch based on global-local space-time diagram convolution; and 4, fusing the features to regress three-dimensional joint coordinates. According to the method, through collaborative design of the space-time receiving weighted key value branch and the global-local space-time diagram convolution branch, the balance between the calculation efficiency and the feature representation capability is realized.

The invention belongs to the technical field of infrared stealth, and particularly relates to a cellulose doped cesium tungsten bronze modified epoxy silane infrared stealth coating material as well as a preparation method and application thereof. Through the ternary collaborative design of cellulose, cesium tungsten bronze and epoxy silane, and by adopting a physical blending-chemical grafting process, the problems of high toxicity, low hardness and complex process of the existing coating are solved. The prepared coating has a good infrared stealth effect, the pencil hardness can reach 9H, and the thermal decomposition temperature is gt; and the preparation process is solvent-free, low-temperature and efficient, the low-infrared-emissivity effect, high hardness and good wear resistance are achieved, the coating is suitable for direct coating of military equipment (such as unmanned aerial vehicles), the original structure does not need to be changed, and the application prospect is wide.

The invention relates to a hydraulic slotting and fracturing integrated collaborative operation system, and belongs to the technical field of coal mining. The system comprises a multi-parameter three-dimensional monitoring module, a multi-mode cooperative control module, a hydraulic fracturing module and a hydraulic slotting module. The multi-parameter three-dimensional monitoring module is used for carrying out crack three-dimensional modeling, stress field dynamic tracking and gas component real-time analysis; the multi-mode cooperative control module analyzes the geological exploration data output by the multi-parameter three-dimensional monitoring module to obtain geological parameters, and generates an operation scheme according to the geological parameters; and the hydraulic fracturing module and the hydraulic slotting module cooperatively work under the control of the multi-mode cooperative control module. Through the integrated collaborative design of hydraulic slotting and fracturing, the limitation of a single process is broken through, the construction efficiency and uniformity of a crack network are improved, the stability and coverage range of a gas extraction channel are improved, and a full-process intelligent solution is provided for safe and efficient mining of a complex coal seam.

The invention discloses a cryptographic algorithm adaptation and hardware encryption and decryption acceleration method suitable for a gateway protocol, deep integration of a cryptographic algorithm is realized through protocol stack-level native transformation, software and hardware collaborative design is adopted, and through innovative mechanisms such as multi-thread concurrent encryption, asynchronous interrupt processing and DMA data interaction, the hardware encryption and decryption acceleration of the cryptographic algorithm is realized. The processing capability in a high throughput scene is improved; an intelligent strategy engine is introduced to realize data packet dynamic classification and encrypted resource optimization scheduling, and the system performance is maximized while the security is ensured; according to the technical scheme, key full-life-cycle management and control are achieved through the HSM, the requirement for equal insurance 2.0 is met, multi-platform deployment is supported by adopting modular design, and compared with the prior art, the method can be flexibly adapted to various application scenes such as various domestic chip architectures, embedded devices, security gateways and industrial controllers, and the method is suitable for large-scale popularization and application. The problems of high platform dependence, difficulty in transplantation and the like existing in national secret IPSec implementation are solved, and a better secure communication solution is provided for a localized environment.

The invention relates to the technical field of building data processing, and discloses a collaborative design method and platform for building engineering three-dimensional modeling based on BIM, and the collaborative design method for building engineering three-dimensional modeling based on BIM comprises the following steps: S101, constructing a cross-professional boundary edge set; step S102, constructing a boundary merging unit; step S103, constructing an overall cost; step S104, generating an initial solution set; step S105, outputting an optimal merging sequence, publishing time and object batch assignment; and step S106, generating a batch merging list and issuing a Gantt plan on the subject side. According to the method, computable indexes such as cross-professional asymmetry degree are constructed, the time deviation degree of cross-professional boundary object parameter updating and connection relation changing is accurately quantified, and a previous decision mode depending on experience is eliminated; therefore, the cross-professional collaboration efficiency is effectively improved, the design period is shortened, the engineering design cost is reduced, and the modeling collaboration quality is guaranteed.

The invention discloses a metadata version control and automatic structure comparison method and system based on incremental snapshot and intelligent decision, and the method comprises the following steps: managing a metadata version through an incremental snapshot model, and enabling the incremental snapshot model to support the complete backtracking of a historical structure through storing changed incremental information and associating with a version chain; carrying out difference analysis on the metadata structure by adopting a hierarchical progressive comparison algorithm; an intelligent DDL decision engine is adopted, and an executable DDL script is generated according to the difference analysis result; in the process of generating the DDL script, metadata consanguinity information is jointly checked so as to carry out change risk assessment. Through collaborative design of all the modules, double benefits of systematic breakthrough and conventional effect enhancement are brought, and the technical effect is directly associated with collaborative design.