169 results about "Design software" patented technology

The invention relates to the technical field of data processing, and provides a BIM model continuous grid bottom surface extraction method, device and equipment and a storage medium, according to the scheme of the invention, grid bottom surface extraction is carried out based on a user-defined data structure after BIM model triangularization, the influence of a professional design software production environment and a multi-source heterogeneous storage format is eliminated, and universality is achieved; according to the method, the cleaned and corrected triangularized grid model is subjected to space division and an elevation extraction algorithm, so that the grid bottom surface extraction efficiency is greatly improved; according to the method, curved surface reconstruction is carried out according to the spatial point cloud normal set and the point cloud data set, so that the construction accuracy of grid bottom surface extraction in the projection direction is ensured, a finer and more continuous geometric expression is provided, and the problem of model bottom surface image missing is solved.

The invention discloses a method and a system for quickly constructing a railway station structure engineering demand parameter matrix, which are characterized in that a time-history load function, a time-history load working condition and a ground acceleration of a railway station structure model are automatically created and set through a Python programming language on the basis of an application programming interface (API) opened by MIDAS Gen design software, and the time-history load function, the time-history load working condition and the ground acceleration of the railway station structure model are automatically established and set through a Python programming language. The method comprises the following steps of: firstly, carrying out time-history analysis on a plurality of key components, then carrying out elastic-plastic time-history analysis in batches, extracting a corner of a non-elastic hinge of the key components and interlayer acceleration of the floors, and finally, automatically assembling and forming an engineering demand parameter (EDP) matrix, so that the convenience and feasibility of shock resistance toughness evaluation of the railway station are remarkably improved.

The invention provides a truss structure autonomous design system and method based on multiple agents. A layered multi-agent architecture is adopted, a general control agent is taken as a core, and a high-level design intention is analyzed and a plurality of downstream special agents are arranged for cooperative work; the whole design process realizes automatic closed loop through a graph-based workflow engine; the core innovation of the method is a hybrid intelligent optimization algorithm of LLM heuristic exploration and genetic algorithm accurate fine tuning, and the algorithm is driven by an original and quantifiable design quality scoring system to efficiently carry out analysis-diagnosis-optimization iteration so as to cooperatively improve the safety and economy of the design. The design time can be shortened from several hours to several minutes, about 7.0% of material consumption is saved on average, it is ensured that the scheme completely conforms to industry specifications, the design efficiency, economy and reliability are greatly improved, and meanwhile the use threshold of professional design software is remarkably reduced through natural language interaction.

The invention relates to the field of clearance checking of a vehicle chassis part DMU (digital prototype), in particular to clearance checking between parts with large deformation. Specifically, the invention provides a dynamic gap checking method based on flexible body deformation coupling analysis, and the method comprises the steps: building a flexible body nonlinear mechanical model through finite elements, applying boundary conditions such as working conditions and loads, executing large deformation and nonlinear analysis, and obtaining deformation data of an anisotropic material under a limit load; converting the deformation data into a parameterized entity model through a geometric reconstruction algorithm, and constructing a high-precision digital prototype; multi-degree-of-freedom kinematics simulation is implemented in a DMU module of three-dimensional design software, and three-dimensional space analysis is performed on dynamic gaps between flexible bodies and between flexible and rigid bodies in combination with a contact interference analysis algorithm. The method can be used for checking the clearance between the moving parts, judging the interference of the moving parts and confirming the operation stability of the vehicle in complex and severe working conditions.

The invention discloses a ground plane segmentation method and device for a hybrid PCB, and belongs to the field of PCB design, and the method comprises the steps: inputting the characteristic parameters of the hybrid PCB into a land division decision model, enabling the land division decision model to carry out the layer-by-layer judgment according to the characteristic parameters, and outputting a first land division strategy; constructing an electromagnetic simulation model based on the first land division strategy, executing predefined simulation analysis according to the electromagnetic simulation model, and optimizing the first land division strategy through a preset optimization rule base when a simulation analysis result does not meet a preset requirement to generate a second land division strategy; and based on the first land division strategy or the second land division strategy, automatically generating a segmentation line through PCB design software, and placing a connection bridge and a compensation element so as to complete the ground plane segmentation of the hybrid PCB. Therefore, by implementing the method, the targeted ground plane segmentation design can be performed according to the related parameters of the hybrid PCB, so as to ensure the signal integrity and electromagnetic compatibility of various hybrid PCBs.

The invention relates to a frame format online reconstruction system and method based on an FPGA (Field Programmable Gate Array) external memory, belongs to the technical field of carrier rockets, and solves the problems of long development period and code compatibility of single-task software. The system comprises a TOP module, a RESET function module, an MLVDS communication function module, an EEPROM storage function module and a frame format reconstruction function module, the EEPROM storage function module is used for performing write operation on configuration parameters sent by a main module according to function division of a storage space and solidifying the configuration parameters in an EEPROM, and after power-off restart reset is finished, the EEPROM storage function module is used for performing write operation on the configuration parameters sent by the main module. Reading operation is executed on the EEPROM, and read configuration parameters are distributed to a frame format reconstruction module according to functional area division; and the frame format reconstruction function module is used for executing reconstruction logic operation of the frame format. By means of the system, productization and generalization design of multi-task model software is achieved, and the software reuse rate is remarkably increased.

The technical scheme of the invention discloses a ship model checking method which is used for checking a ship model after completion and can be used for identifying the line type of an unknown model. The three-dimensional scanning technology is utilized, the size is small, flexibility is achieved, the scanning dead angle is small, the recognition speed is high, and the precision can reach 0.1 mm and is far higher than that of a clamping plate; and the cost is low and the efficiency is high. A three-dimensional scanning technology is utilized to scan a 10m ship model for about 2-3 hours, and relative errors can be directly output, while a cardboard inspection method needs at least 3 days from drawing a cardboard layout to completing inspection of a ship model, and deviation of each position cannot be output. According to the method, the three-dimensional scanning technology and special software are utilized, the molded line of the scanned model can be directly output, the method can be connected with three-dimensional design software, and a reliable means is provided for a designer to reversely recognize the molded line of an unknown ship model.

The invention relates to a preparation method of a cone die forging, and belongs to the technical field of cone forging.The method comprises the steps that design software is utilized, single cone digifax is designed according to a cone part, then the two single cone digifax are placed side by side in the design software, and the central axes of the two single cone digifax are parallel; the end face of the cone top end of one cone is flush with the end face of the cone bottom end of the other cone; a wagons digital model is designed between the two single-cone digital models, and the wagons digital model and the two single-cone digital models form a double-cone digital model; designing a die digital model and a cube-shaped blank digital model according to the bipyramid digital model; a blank entity corresponding to the blank digital model is manufactured through blank manufacturing of a bar, an upper die entity and a lower die entity are manufactured through mechanical manufacturing, and the upper die entity and the lower die entity form a die entity; performing die forging on the blank entity by utilizing the die entity to obtain a bipyramid die forging; and the bipyramid die forging is subjected to heat treatment, and the bipyramid die forging subjected to heat treatment is cut into two single-pyramid die forgings.

This invention discloses a digital complete denture manufacturing method and a digital complete denture, relating to the field of digital oral technology. The invention acquires digital models of the patient's edentulous maxilla and mandible, along with jaw position data. Virtual tooth arrangement and denture base design are completed in computer-aided design software, generating a composite digital model. The base data is converted into CNC instructions, and a five-axis CNC milling machine is used to cut prefabricated material blocks to produce a solid denture base. Matching solid prefabricated dentitions are selected from a prefabricated dentition database, surface-activated, and then bonded and fixed to complete the denture assembly. This method is highly efficient, provides stable precision, and significantly shortens the manufacturing cycle and the number of treatment visits.

The invention discloses medical forceps constructed based on multi-material 3D printing and a preparation method of the medical forceps. Comprising the following steps: based on medical image data of a patient or a standard instrument model, carrying out personalized design through computer aided design software, and constructing an integrated three-dimensional digital model; then topological optimization is carried out, a weight reduction structure is designed in a non-key stress area, and slicing software is used for processing and generating a multi-material printing instruction file; then, multi-material 3D printing equipment is adopted, according to a preset material distribution scheme, materials with different mechanical properties are used for synchronously and integrally printing in the areas of the clamp beaks, the movable joints and the clamp handles, and a clamp green body is manufactured; and finally, carrying out cleaning, key part surface finish machining and sterilization treatment to obtain a final product. Matched forceps can be rapidly designed and manufactured according to special operation requirements, multiple materials with different properties are integrated on the same instrument, and the operation precision and effect are improved.

The invention relates to the technical field of computer aided design software, and discloses curtain wall design automation software, which comprises a building appearance acquisition module, a grid division strategy determination module, a curtain wall automatic generation module, a connection mode selection module and a size automatic correction module. The technical problems that in the prior art, curtain wall design mostly depends on manual input and manual operation, especially in the design of complex buildings, efficiency is low, errors are prone to occurring, and division and node design are difficult to conduct rapidly and accurately are solved. Due to the fact that the automatic software is designed, the grid division scheme is automatically generated through the automatic software according to the appearance of the building, the node connection mode is intelligently selected, and the node size is intelligently adjusted, the problem that manual design is low in efficiency is solved, and the automation degree of curtain wall design is improved.

This invention relates to the field of automotive autonomous driving control technology, specifically to a software architecture, chassis domain controller, and chassis domain system for autonomous driving. The information layer acquires vehicle fault commands and emergency stop commands. The motion coordination layer triggers vehicle fault modes and emergency stop modes, and acquires emergency stop control signals and longitudinal and lateral vertical control signals. The dynamics control layer acquires dynamics control target quantities based on the emergency stop control signals or longitudinal and lateral vertical control signals; the fault-tolerant control layer performs fault-tolerant control based on vehicle fault information. The actuator control layer converts the dynamics control target quantities and fault-tolerant control target quantities into actual control signals to control the actuators. This software architecture, designed from a centralized perspective, achieves decoupled development of software and hardware, centrally processes all information, and uniformly integrates and schedules functions. It comprehensively considers vehicle, driver, fault, and cross-domain interaction, improving vehicle control accuracy and operational safety.

The application relates to the technical field of ship design, in particular to a ship design method based on ship type flexible customization and a storage medium. A flexible customization design tool set visual push design system platform based on a knowledge graph can automatically match corresponding design modules according to design content in the process of ship digital design by a designer, and can push design tools corresponding to the modules according to design stages, design specialties, operator information and the like. The designer only needs to select corresponding module design objects in the design process, and the module design tool set can be automatically pushed out. After the corresponding design tools are selected, knowledge rules matched with the current design tools and design environment are automatically reasoned and called based on the constructed knowledge graph, and intelligent design based on knowledge driving is realized through the design tools, so that the problem of poor use and configuration flexibility of different professional and different functional design function modules and design tools of a traditional ship three-dimensional design software platform is solved.

The invention provides an artificial intelligence-based industrial design method and system, and the method comprises the steps: obtaining an open-source artificial intelligence large model, building a dialogue function with the artificial intelligence large model, carrying out the recording of a 3D design code for each part of a 3D model of an existing product based on 3D design software, building a 3D design code library, and carrying out the verification of the 3D design code library. The 3D design code library serves as a third-party database to be added to an existing database of the artificial intelligence large model, the product design requirement of a user is obtained based on the dialogue function, the artificial intelligence large model automatically generates a 3D design code of the product according to the product design requirement, and the 3D design software automatically generates a 3D model of the product according to the 3D design code; according to the method, the design code of the required product is automatically generated by combining the 3D design code of the existing product 3D model to optimize the database of the artificial intelligence large model, so that the 3D model of the required product is automatically generated, intelligent aided design is realized, the design work is simplified, and the design result is optimized.

The invention is applicable to the technical field of electronic design automation, and provides a cross-design software netlist data co-processing method, which comprises the following steps: acquiring first netlist data; wherein the first netlist data is used for representing a logic connection relationship among a plurality of electrical components in the first schematic diagram, packaging library information corresponding to the electrical components and the like; wherein the first schematic diagram is a schematic diagram constructed based on first design software; performing data format conversion on the first netlist data to obtain second netlist data; importing the second netlist data into second design software; wherein the second design software is different from the first design software; and generating a circuit diagram corresponding to the printed circuit board based on the second netlist data and the second design software. According to the method, when cross-software circuit diagram design is carried out, an engineer does not need to consume extra time in format adaptation and data verification, so that the method focuses on core design links such as circuit diagram layout and wiring, the design period is shortened on the whole, and the working efficiency is improved.

The invention provides a drawing processing method and device for a digital ship electrical design platform, and the method comprises the steps: determining a selected target object from a target drawing in response to a first selection operation for the target drawing displayed in a graphical user interface of drawing design software, the target object comprises a target cable segment and target equipment blocks connected with two ends of a target cable; wherein different types of drawings correspond to different identification rules; identifying attribute information of the target object based on a target identification rule which corresponds to a pre-configured pattern identification mode and is matched with the type of the target drawing; and based on the preset table template matched with the type of the target drawing, performing structured processing on the attribute information of the target object, generating a target structured table, and displaying the target structured table in the graphical user interface, thereby realizing specialized recognition of the electrical system diagram in the ship industry, and improving the recognition efficiency and the recognition precision.

The invention discloses a PCB (printed circuit board) design scheme of a probe tower, and relates to the probe tower design of an ATE (automatic test equipment) tester. The design is mainly composed of an upper PCB and a lower PCB, and the requirement for fixing the probe in the PCB is met through the PCB drilling technology. According to the invention, a PCB design mode is used, common PCB design software can be used for design, and the design difficulty is reduced; a PCB (Printed Circuit Board) process is used for production, so that the production difficulty is reduced; and a shielding circuit can be designed on the PCB by utilizing the design characteristics of the PCB, so that the signal integrity is ensured.

The application provides a building design software and cloud rendering platform synchronization method and system, and relates to the technical field of building information modeling. The method comprises the following steps: format conversion, converting the model in the building design software; data uploading, uploading the model data after format conversion to the cloud rendering platform; data display, displaying the model rendering effect after format conversion; data synchronization, synchronizing the modification operation of the user to the engine of the cloud rendering platform. The method and system provided by the application do not require the user to export and re-import the model file. After the user starts the cloud rendering platform, the user can directly return to the building design software to modify the model. Only the command defined by the plug-in needs to be triggered, and the plug-in will synchronize the user's operation to the cloud rendering engine, so that the user can see the rendered model in the browser, the display is seamlessly connected, the work efficiency is improved, and the design output effect is better.

The invention provides a pipeline prefabrication machining method, system and equipment, and relates to the field of pipeline machining.The machining method comprises the steps that three-dimensional coordinate information of a pipeline is obtained based on a construction axonometric map of a nuclear power site; and based on the three-dimensional coordinate information, forming a three-dimensional model of the pipeline by using a parameterized modeling mode of aided design software. And based on the three-dimensional model, an engineering file capable of being recognized and machined by the pipe bending machine is output, and a pipeline machining instruction is compiled and generated for machining of the pipe bending machine. The problems of low secondary design efficiency, low automatic production degree and the like of the nuclear power site pipeline can be solved, the digitization degree of the whole pipeline machining process is improved, and the pipeline production efficiency is improved.

The invention discloses a digital method for accurate duplication, transfer and verification of an in-place track, and belongs to the technical field of oral cavity restoration digitization. The method comprises the following steps: carrying out in-place path observation of a digital model in oral rehabilitation computer-aided design software, and generating an undercut filling model along the observation direction; constructing a parameterized three-dimensional feature model in reverse modeling software according to the undercut filling model; and automatically identifying the projection contour of the feature model through an algorithm, calculating the deviation angle between the current observation direction and the target in-position track, and guiding the model to observe and adjust. According to the invention, a track consistency verification system is constructed, accurate copying and transferring of the track direction are realized in a digital mode, the system can be adapted to dental restoration computer-aided design software with different function configurations, and a standardized and verifiable track digital transmission scheme is provided for clinical diagnosis and treatment of dental restoration.

The application provides a method for improving the surface precision of a laser wire deposition component by femtosecond synchronization subtraction, comprising the following steps: S1, setting a double heat source, wherein the double heat source comprises a continuous laser and a femtosecond pulse laser; S2, establishing a three-dimensional geometric model of the additive manufacturing component by using computer-aided design software, and layering and slicing the three-dimensional geometric model by using slicing software; S3, discretizing the three-dimensional geometric model into two-dimensional contour data, and planning a scanning path of the continuous laser and a cutting path of the femtosecond pulse laser; S4, setting printing parameters of the continuous laser welding gun and cutting parameters of the femtosecond pulse laser welding gun; S5, according to the printing parameters of the continuous laser welding gun, depositing a metal wire according to the scanning path, and simultaneously, according to the cutting path, subtractively processing the surface of the additive manufacturing component by using the femtosecond pulse laser welding gun; and S6, repeating steps S4-S5 to complete layer-by-layer accumulation of the additive manufacturing component until a three-dimensional solid component is obtained.

The application discloses a socket arrangement method and device based on three-dimensional design software and a medium. The method comprises the following steps: based on the three-dimensional design software, determining whether a reference object exists in a room plane space according to a component keyword; if yes, screening a socket arrangement space from the room plane according to the projection of a legend corresponding to the reference object on the room plane based on the spatial relationship between the reference object and the room plane; determining a socket arrangement rule corresponding to a socket type according to the socket type to be arranged; determining an arrangement parameter of the socket, determining an arrangement coordinate point of the socket in the arrangement space based on the socket arrangement rule and the arrangement parameter, and arranging the socket through the arrangement coordinate point in sequence.

The application relates to the technical field of architectural design, in particular to a project work hour statistical analysis system for architectural design application behavior monitoring and algorithm analysis, which comprises a page behavior record module, a task trajectory generation module, a project identification collection module, a personnel time consumption verification module and an error offset tracking module. In the application, a task window and an operation path sequence in design software are extracted, irrelevant operation contents are removed, a task behavior chain is reconstructed, a clear task execution structure is formed, a continuous operation time period is aggregated by combining task attribution information, a precise mapping relationship between behavior data and project content is established, effective work hours and responsible personnel are matched and compared after collection, a time offset section between behavior records and declaration data is identified, an offset rate is quantified, and work hour declaration rationality is determined, so that dynamic checking and precision improvement of the work hour distribution and the task corresponding relationship are realized.

The application relates to an artificial intelligence-based large model design construction method, system, device and storage medium, wherein the large model design construction method comprises the following steps: first, based on the text or voice input of a user, input information is taken as a guide word to generate a corresponding concept design; then, the NLP2SQL technology is used to carry out multi-round and multi-conversation with the user to automatically extract design parameters; then, a vector retrieval technology is used to retrieve the user demand in a design specification to obtain design specification parameters with the highest similarity to the user demand; finally, parameterized modeling design is carried out in combination with a design software to obtain a final design effect. The application can automatically generate a large model design meeting the requirements according to the design specification and user requirements, and improve the design efficiency and quality.

The invention discloses a high-precision wind tunnel nozzle profile design method, and belongs to the technical field of wind tunnel nozzle profile design based on a computer. The problems that in the prior art, a traditional wind tunnel nozzle molded surface design method is poor in process feasibility, and the number of molded surface correction iterations is large are solved. According to the method, modeling software is adopted to construct an initial profile mathematical model, geometric constraints are integrated, a wall thickness initial distribution model is established, and wall thickness distribution is optimized; s2, quantizing an objective function according to the constraint and the model parameters in the step S1, optimizing the objective function, and refining the constraint to obtain refined constraint conditions; and according to the wall thickness initial distribution model and the wall thickness parameters, design software is combined with the refined constraint conditions to carry out parametric modeling, a process feedback mechanism is constructed to carry out correction compensation on initial molded surface modeling, and high-precision wind tunnel nozzle molded surface design is completed. The pneumatic performance and the material utilization rate are effectively improved, and the method can be applied to high-precision pneumatic verification tests.

The embodiment of the invention provides a DFM review method and device based on model coverage full specialty, computer equipment and a medium, and the method comprises the steps: obtaining model characteristics and process information from a design model of design software, screening model data related to the review of each specialty from the model characteristics and process information, and storing the model data in a database; all professional to-be-examined model data are obtained; according to the to-be-examined model data of each specialty, an examination type and rule items corresponding to the specialty are screened in a rule base, the examination rule of each specialty comprises a plurality of different examination types, and each examination type comprises a plurality of rule items; each rule item is provided with a corresponding parameter constraint condition; the to-be-examined model data of each specialty is compared with the parameter constraint condition of the screened corresponding rule item, and whether DFM examination is passed or not is judged according to a comparison result. According to the scheme, a unified and unique standard is provided for DFM review, and the accuracy of DFM review can be improved.

The application discloses a kind of driver evasive littering behavior characteristic test method and device.First, according to littering type, lane position, early warning measure and illumination condition design driving simulation experiment scheme;Second, using AutoCAD, latitude ground road traffic auxiliary design software, 3Dmax and SCANeR software complete experimental scene development work, including: littering model, vehicle and surrounding environment and road infrastructure etc.;Then, recruit qualified driver to complete driving simulation experiment, obtain basic index data and carry out data preprocessing, obtain effective data capable of representing vehicle space-time characteristics;Then, the index of driver transverse and longitudinal operation performance is described statistically analyzed, point by point significance analysis, difference analysis and comprehensive evaluation, analyze the driving behavior change characteristics of driver when evading littering and evaluate the danger degree of different types of littering and the effectiveness of different early warning measures.

The present application relates to the field of clearance checking of vehicle chassis components DMU (digital mockup), especially clearance checking between components with large deformation. Specifically, the present application provides a dynamic clearance checking method based on flexible body deformation coupling analysis, a flexible body nonlinear mechanics model is established through finite element, boundary conditions such as working condition and load are applied, large deformation and nonlinear analysis are executed, and deformation data of anisotropic material under limit load are acquired; the deformation data is converted into a parameterized solid model through a geometry reconstruction algorithm, and a high-precision digital mockup is constructed; multi-degree-of-freedom kinematics simulation is implemented in the DMU module of a three-dimensional design software, and three-dimensional space analysis is performed on the dynamic clearance between flexible bodies and between flexible and rigid bodies in combination with a contact interference analysis algorithm. The method can be used to realize clearance checking between moving components, determine the interference of moving components, and confirm the handling stability of a vehicle in complex and severe working conditions.

The invention discloses a design processing method and device of a state machine, a storage medium and electronic equipment, relates to the technical field of nuclear power instrument control systems, and mainly aims to solve the problems of high cost and low reuse rate when the state machine in a nuclear power DCS (Distributed Control System) is designed by adopting existing graphical model design software. Performing modularization customization processing on each state machine element to obtain each corresponding component module; the state machine elements comprise a state machine, a state, migration and bifurcation; tool options corresponding to the state machine, the state, the migration and the bifurcation are set on a toolbar of a software page, and an incidence relation is established between the corresponding tool options and the component module; and when the tool option is selected, calling the corresponding component module based on the incidence relation, and designing a state machine structure on a software page according to the sequence of the engineering structure.

The invention relates to the technical field of electrical CAD / CAE (computer-aided design / computer-aided engineering), and discloses a three-dimensional wire drawing and management method in an electrical simulation scene, which comprises the following steps of: 1) initializing a three-dimensional scene and controlling a visual angle; 2) selecting a pin and initializing a lead drawing; 3) performing visual self-adaptive direction control and wire extension; 4) performing dual-mode length adjustment and sectional wire generation; (5) segmental withdrawing and path correction are carried out; and 6) pin matching collision detection and wiring confirmation. Through the visual angle and direction self-adaptive calibration technology, complex three-dimensional space direction operation is simplified, the learning threshold and the operation burden of three-dimensional design software are remarkably reduced, a green hand can also rapidly operate, and the real-time length increasing and accurate numerical value input dual-mode length adjustment is combined, so that the real-time length increasing and accurate numerical value input dual-mode length adjustment is realized. And different requirements from rapid layout to precise design are met. The sectional withdrawing function provides an extremely high error-tolerant rate, a user is allowed to attempt and correct a design path without pressure, and the design efficiency and experience are improved.