17 results about "Designtheory" patented technology

The invention discloses a building electromechanical integrated pipeline module length division method and system. Efficient and accurate division of building electromechanical integrated pipeline modules is achieved through an intelligent optimization technology. According to the method, firstly, factors influencing module division are analyzed and classified, and an optimization model comprehensively considering multiple factors such as construction conditions, cost and material utilization rate is established in combination with a modular design theory; the model is optimized through an improved genetic algorithm, and the optimal balance of module division between construction efficiency and economical efficiency is achieved. A set of software system matched with the division method is developed, functional modules including pipeline information input, support and hanger type selection, module length optimization, BIM model segmentation, connecting piece arrangement, module grouping and numbering, performance evaluation, engineering quantity statistics and the like are covered, an optimal division scheme is automatically generated, and construction guidance is provided. The building electromechanical integrated pipeline division efficiency and construction quality are improved, and the method is suitable for various building engineering projects and has wide application prospects.

The invention discloses a rocket aircraft aerodynamic performance prediction method based on heaven and earth test and simulation data, and relates to the technical field of aerodynamic design. The method mainly comprises the following steps: obtaining a large number of aerodynamic performance parameters by using a non-viscous rapid design theory to construct a low-precision flow field training data set; performing heaven-earth correlation error correction on ground wind tunnel test data through a flight test; performing simulation error correction on a large number of aerodynamic performance parameters obtained by CFD numerical simulation through test data to obtain a high-precision training data set; and performing data fusion on the high-precision data set and the low-precision data set, and constructing a pneumatic prediction model. The invention provides the method for rapidly predicting the aerodynamic performance of the rocket aircraft, and an efficient and feasible solution is provided for rapid prediction of the aerodynamic performance.

The invention discloses a universal 3D codebook design method and device for super-large-scale MIMO (Multiple Input Multiple Output). The 3D codebook design method comprises angle design and distance design. According to the design method, a design scheme of an angle and a distance is obtained based on a target of minimizing a correlation function. Although the angle and distance design scheme is initially designed for the near-field area, the design principle and the implementation effect of the angle and distance design scheme are also suitable for the far-field area, and the angle and distance design scheme has good universality. Compared with the existing work, the 3D codebook design theory and method can realize higher discrimination of the wave beam in each sampling angle and sampling distance, and reveals the performance gain brought by the excavation of the degree of freedom of the vertical dimension under the ideal condition.

The invention provides an optimal design method and system for a beam string structure, and aims to realize whole-process management of the beam string structure from design to optimization by integrating three-dimensional modeling, data integration and analysis capabilities of a BIM technology, improve design efficiency and ensure safety and economy of the structure. According to the method and the system, parameterization and visualization characteristics of a BIM model are fully utilized, and mechanical characteristics and optimization design theories of the beam string structure are combined, so that precise modeling, stress analysis, stability calculation and multi-objective optimization design of the beam string structure are realized.

The invention relates to a method for machine learning aided design of a structural alloy for a fourth-generation thorium-based molten salt reactor, and belongs to the technical field of artificial intelligence auxiliary material design. The method comprises the steps that S1, an alloy component machine learning model for phase composition prediction is established, specifically, based on known alloy sample data, the sample data comprise alloy element content and corresponding phase composition information, and the machine learning model used for predicting alloy phase composition is established; s2, screening an initial alloy component space through phase composition constraint conditions; s3, secondary screening of alloy components based on thermodynamic simulation; s4, alloy sample preparation and solid solution homogenization treatment; s5, carrying out a mechanical property test; and S6, experimental result feedback and machine learning model closed-loop updating are carried out. According to the method, the artificial intelligence technology and the traditional alloy design theory are organically fused, an efficient and reliable new path is provided for research and development of key structural materials for the fourth-generation thorium-based molten salt reactor, and the important scientific research value and the engineering application prospect are achieved.

The invention provides a construction method and system of a material constitutive self-adaptive tracking model, and relates to the technical field of tunnel engineering.The construction method comprises the steps that an axis compression test which does not participate in a freezing and thawing cycle is carried out on a concrete test piece, and basic mechanical property index values and basic control parameters of the concrete test piece are obtained; establishing a mechanical property index value and a control parameter of the concrete test piece under the influence of the freeze-thaw cycle; constructing a material constitutive model of the concrete test piece under the influence of the freeze-thaw cycle according to the mechanical property index values and the control parameters; fitting the mechanical property index value and the control parameter of the concrete test piece under the influence of the freeze-thaw cycle to obtain initial posterior distribution of the material constitutive model parameters; the initial posterior distribution of the material constitutive model parameters is subjected to self-adaptive updating through the new data, the material constitutive self-adaptive tracking model is obtained, the material constitutive self-adaptive tracking model capable of reflecting the long service life and complex service environment characteristics is established, and a foundation is laid for establishment of the long-service-life design theory.

This invention discloses a method and system for designing tunnel smooth blasting charge schemes, relating to the field of tunnel blasting engineering technology. The method includes: collecting and preprocessing basic parameter data required for tunnel smooth blasting design; calculating initial design parameter values ​​for the smooth blasting charge based on smooth blasting design theory and a pre-set parameter calculation model, generating an initial design scheme; inputting the initial design parameter values, cross-sectional geometric parameter data, surrounding rock condition parameter data, explosive parameter data, and historical blasting effect feedback index values ​​into a pre-trained neural network optimization model, outputting optimized smooth blasting charge design parameter values; automatically updating the peripheral hole layout and charge structure in the design scheme based on the optimized design parameter values, generating and outputting the final tunnel smooth blasting charge design scheme. This invention enables intelligent and adaptive design of tunnel smooth blasting charge parameters, improving engineering applicability and molding quality.

The invention relates to the field of electromagnetic design and optimization of transformers, in particular to a multi-winding phase-shifting transformer design method based on multi-objective optimization, which comprises the following steps: establishing a model required by multi-objective optimization, constructing a multi-objective optimization model, and setting constraint conditions; an improved NSGA-II algorithm is adopted to solve the multi-objective optimization model; and a Pareto optimal solution set is extracted, and a compromise solution is screened and selected by adopting a TOPSIS method. According to the method, a transformer electromagnetic design theory, a thermal analysis model and an economic cost model are uniformly incorporated into a multi-objective optimization framework, and overall optimization is carried out on design variables such as iron core geometric parameters, winding turn number configuration and wire cross sections; the phase-shifting transformer obtains a Pareto optimal compromise solution set among a plurality of mutually restricted targets such as total loss, material cost, transformation ratio precision, temperature rise margin and the like, and intelligent numerical design of the transformer is realized.

The invention discloses an engineering scheme bidirectional comparison and selection evaluation method based on a demand design hierarchy model. The method comprises the following steps: S1, demand design hierarchy application; s2, determining a core index; s3, determining a third-level index; s4, carrying out overall score regression; s5, rechecking the design quality; and S6, determining an optimal scheme. Based on the Maslow demand theory and the Stevenbursa design theory, from the two aspects of scheme design and engineering construction, an analytic hierarchy process is applied to perform correlation quantification, a technical path is provided for objectively analyzing the advantages and disadvantages of different schemes, the objectivity of scheme comparison and selection is enhanced, more suitable and more creative schemes are eliminated, and the method is suitable for popularization and application. And huge loss of engineering and even engineering industry development is caused.

This invention belongs to the field of intelligent education technology and discloses a gamified method, system, storage medium, and device for inspiring children's innovative thinking. It includes: a parameter setting module for setting relevant parameters during the training process; a training module for training users' innovative thinking using different types of games; and a testing module for evaluating users' innovative thinking level based on the training results. This invention improves the design theory of innovative thinking digital games, establishes a theoretical model for innovative thinking digital games, helps develop a user experience theory system for children aged 3-6, and establishes a user experience demand model for educational games. This invention provides a digital game for cultivating children's innovative thinking ability, expands the category of digital games for children aged 3-6, and digitizes the testing of innovative thinking, helping parents assess their children's innovative thinking ability and providing a reference for those interested in developing innovative thinking digital games in the future.

The invention discloses a TBCC air inlet channel external pressure section air inlet channel design method and system based on the optimal wave system design theory, and belongs to the technical field of turbine-based combined cycle air inlet channels. For the external pressure section of the binary stamping air inlet channel, the optimal wave system design theory is utilized to meet the requirement for compression efficiency, the requirement for low total pressure loss and the requirement for flow of the air inlet channel; zero-dimensional design is adopted, the design of an external pressure section is carried out by a non-stick shock wave relational expression, and correction of a boundary layer is assisted. The method is used for solving the problems that in the prior art, at a non-design point, a shock wave system structure may deteriorate, so that the total pressure of an air inlet channel is recovered and suddenly reduced, flow capture is insufficient, and even starting failure is caused, and the problem that when the Mach number is high, the performance is poor due to insufficient compression or too large shock wave loss is possibly solved.

The invention provides a design method and system for customized performance detection equipment. A forward design process of the customized performance detection equipment is promoted by a'demand-function-architecture-physics' system engineering modeling method MBSE based on a model; an environment-based design theory EBD is fused, the problem of solving the theory TRIZ and a special large language model LLM into a system engineering process MBSE is solved, so that demand analysis and functional decomposition are carried out, and customized detection demands and complex environment simulation requirements are effectively converted into a complete environment equivalence and index detection function design scheme through a structured method; a multi-physics field coupling simulation module is combined, dynamic simulation of a test process is carried out based on an equipment design scheme, technical parameters are optimized according to a virtual test effect, interaction with actual data in an operation and maintenance stage is carried out by using the same verification module, and a digital twinborn body oriented to equipment full life cycle parameter optimization is constructed.

Provided is a diaphragm and a manufacturing method thereof for controlling welding shrinkage and transverse slope accuracy, comprising the following steps: determining a diaphragm design structure and a process transverse slope starting point, wherein the height of the symmetric center line is H, taking the process transverse slope starting point as the origin, rotating the diaphragm design structure as a whole about the process transverse slope starting point by a slope of i%, intersecting the diaphragm top edge with the extended symmetric center line to obtain a diaphragm process structure, wherein the length of the diaphragm top edge extension line in the diaphragm process structure is △, and the length of the extended symmetric center line is h; compensating the corresponding top plate manufacturing width according to the △ value, wherein △≈H×i%; and the angle and height of the diaphragm end, the process transverse slope starting point position, and the diaphragm bottom edge are all unchanged according to the design theoretical value, and increasing the reserved process amount A according to the design theoretical value. The present invention solves the problem of poor assembly accuracy of plate units and difficult control of transverse slope accuracy of bridge decks caused by the overall welding deformation of large-width steel box girders.

The present application relates to a kind of bearing capacity calculation methods of space tube plate node, specifically includes the following steps: 1) selection section: selection section under the deformation of space tube plate node in different direction space load;2) assume stiffener rigidity: according to deformation, assume stiffener to be rigid plate;3) propose the calculation model of main pipe deformation resistance;4) hinge support equivalence: according to deformation, two hinge supports are equivalent to single hinge support;5) take half to get ring beam rigidity: obtain the calculation rigidity of circular ring beam;6) calculation, check and verify.The present application compared with prior art is in that: the failure mode of space tube plate node under the action of multi-plane different direction load is described, which fills the gap of bearing capacity calculation method of space tube plate node under the action of multi-plane different direction load.Perfects the design theory system of steel pipe joint, guarantees the reliability and safety of steel pipe structure under external load.

The invention discloses an assembly type pier column stress optimization design method based on a whole process, which mainly comprises the following steps of: determining each stage of the whole process of a pier column, respectively establishing a mechanical analysis model of each stage, and establishing a mechanical analysis model of each stage based on the established mechanical analysis model of each stage; obtaining an internal force index of each section in a hoisting stage, an internal force index of a transportation stage and an internal force index of a service stage; the method comprises the steps of obtaining the worst values of an internal force index in a hoisting stage, an internal force index in a transportation stage and each internal force index in a service stage, fitting the worst values of each internal force index in each stage to form a whole-process internal force envelope diagram, and based on the whole-process internal force envelope diagram, carrying out structure optimization design and checking on the pier column. The theory and practice are closely combined, the hoisting method and the transportation support in the construction technology are directly used as input conditions of design calculation, the design result directly reflects and guides the actual construction operation, the design theory and the construction practice are integrated, and the operability and guidance of the design are enhanced.

The invention relates to the technical field of building engineering construction, and particularly discloses a deformation control method of a large-span beam string structure, which comprises the following steps of: constructing a real initial state three-dimensional data model of the large-span beam string structure, calculating and designing an initial error vector of a theoretical model, constructing a finite element model, and calculating a finite element model of the large-span beam string structure; performing nonlinear analogue simulation on a key construction stage according to a designed construction process by combining the initial error vector, generating an error propagation matrix and an error sensitivity coefficient by adopting Monte Carlo simulation, defining a comprehensive target optimization function to optimize the designed construction process, and performing solution by combining the error propagation matrix and the error sensitivity coefficient, so as to obtain an optimal solution. Generating a compensation control scheme to start a construction process; determining construction analysis steps and defining an analysis step mark value; collecting deviation analysis data for each construction analysis step to carry out deformation deviation judgment; circularly judging whether to trigger updating of the compensation control scheme or not, and judging whether construction is finished or not according to the analysis step mark value, so as to complete intelligent deformation control.

The invention provides a method and system for constructing a material constitutive adaptive tracking model, which relates to the technical field of tunnel engineering, including carrying out an axial compression test on a concrete specimen without participating in a freeze-thaw cycle to obtain basic mechanical performance index values ​​and basic control parameters of the concrete specimen; establishing mechanical performance index values ​​and control parameters of the concrete specimen under the influence of the freeze-thaw cycle; constructing a material constitutive model of the concrete specimen under the influence of the freeze-thaw cycle from the mechanical performance index values ​​and the control parameters; fitting the mechanical performance index values ​​and control parameters of the concrete specimen under the influence of the freeze-thaw cycle to obtain an initial posterior distribution of material constitutive model parameters; using new data to adaptively update the initial posterior distribution of material constitutive model parameters to obtain a material constitutive adaptive tracking model. The invention establishes a material constitutive adaptive tracking model that can reflect the characteristics of a long service life and a complex service environment, and lays a foundation for the establishment of a long life design theory.