13 results about "Structural type" patented technology

Methods and apparatus for modulating a multi-mode shaped beam in powder bed additive manufacturing are provided. The method comprises the following steps: analyzing a geometric model of a component to obtain a plurality of feature regions which comprise at least one part of the component and correspond to different structure types; according to the structure type and in combination with material attributes and / or process targets, distributing corresponding light beam modes for the plurality of feature regions, wherein the light beam modes are modulated to have different light intensity distributions and / or phases; the light beam mode is applied to a light beam, so that the light beam is switched to the light beam mode corresponding to the light beam mode when the light beam scans a plurality of feature areas on a powder bed, matched light spot regulation and control are carried out on different feature areas in the additive manufacturing process, and therefore different forming requirements of various structure types are met in the same component at the same time.

The invention discloses an equipment operation state prediction method and device, equipment, a medium and a product. Comprising the steps that multiple variable parameters corresponding to equipment at different times are obtained, and one time corresponds to at least two variable parameters; the multiple variable parameters are input into a structural feature function to obtain a feature sequence, the structural feature function is a mathematical expression constructed according to the equipment structure type and the equipment application requirement, and the feature sequence is composed of feature values at different times; preprocessing the feature sequence by using a smoothing algorithm to obtain a smooth feature sequence; predicting equipment motion trend predicted values at different times by using an autoregression model according to the smooth feature sequence; and judging whether the equipment has a fault or not according to all the feature sequences in the preset period, the equipment motion trend predicted values at different times and feature values at different times in the smooth feature sequence. According to the method, the feature sequence is determined according to the structural feature function based on the multiple variable parameters corresponding to the equipment at different times, and the health state of the equipment can be accurately judged.

This invention discloses a method and system for rapid cost calculation of individual industrial plant buildings based on a standard column grid, belonging to the field of industrial building engineering technology. The invention includes defining a data collection range based on the industrial plant to be calculated, collecting architectural characteristic parameters such as structural type, eaves height, and building area, and performing standardized format conversion and outlier removal on all collected parameters to generate standardized parameter data. This invention solves the problems of poor adaptability and low estimation accuracy caused by the use of general parameters in traditional parameter estimation methods. It achieves rapid adaptation for cost calculation of industrial plant buildings with different standard column grid specifications, and addresses the common defects of traditional three types of calculation methods, which all require manual updates of market data and whose calculation results lag behind market changes. Furthermore, it can simultaneously complete cost calculations and horizontal economic comparisons for multiple sets of schemes with different column grid specifications and structural types, fully adapting to cost calculation and investment decision-making application scenarios in the entire early stage of industrial plant construction projects.

The present invention discloses a method, device, computing equipment and computer storage medium for determining the scope of the control protection area of a rail transit structure in a karst environment. According to the technical solution provided by the present invention, basic address data and structural parameters of existing structures are obtained, and the positions of the existing structures in the geological section and the corresponding overburden types are determined; based on this, a position relationship model of the corresponding existing structure and the relative space of external operations is established; according to the structural types, structural parameters of the existing structures and the corresponding overburden types, based on the position relationship model, a calculation method for range parameters under critical conditions is determined, and the control protection area range under the corresponding critical conditions is obtained. By comprehensively analyzing the influence range of external operations, the influence range of karst collapse and the influence range of existing structures, the control protection area range under the critical conditions that affect the existing structures is accurately determined, the corresponding potential threats are scientifically analyzed, and the safety of urban rail structures is effectively improved.

This invention discloses a method for modeling composite material layups, an impact-resistant sandwich structure, and equipment. The method includes: performing feature analysis on the structural characteristics of the composite material layup; dividing the composite material layup into multiple layup partitions based on the feature analysis results; formulating a layup strategy corresponding to each layup partition based on its structural characteristics; setting the layup stacking order of the layup partitions according to the structural stability and process constraints of the composite material layup to form a global layup sequence; mapping the global layup sequence onto the three-dimensional geometric surface of the composite material layup to form the spatial distribution and boundaries of each layup partition; and establishing a target model of the composite material layup based on the layup strategy corresponding to each layup partition, the global layup sequence, and the spatial distribution and boundaries of each layup partition. This systematic modeling based on specific structural characteristics ensures that the layup modeling method is applicable to various structural types, and the modeling results are highly consistent with the structural performance.

The invention relates to the field of cement-based 3D printing structures, in particular to a process defect tolerance coefficient-based printing structure design and parameter optimization method, which comprises the following steps of: S1, acquiring initial parameters of a printing structure, and determining printing parameters in a printing process according to the initial parameters of the printing structure, the printing parameters comprise printing material parameters, printing path parameters, model parameters, equipment parameters, printing environment parameters and maintenance parameters; s2, calculating a process defect tolerance coefficient according to the printing parameters; and S3, structure type evaluation is conducted on the printing structure according to the process defect tolerance coefficient, whether the printing structure is qualified or not is judged, if yes, a printing scheme of the printing structure is obtained, and if not, initial parameters of the printing structure are adjusted, S1-S3 are repeated, and a qualified printing scheme is obtained through design. According to the method, quantitative evaluation of the additive manufacturing printing structure is achieved, the design and parameter optimization method for the 3D printing concrete structure is constructed, the verification difficulty of the reliability of the printing structure is effectively reduced, and the economic cost is reduced.

This invention discloses a method for estimating the quantity of bridge engineering projects based on a GIS system, belonging to the field of bridge engineering technology. When calculating bridge engineering costs, this invention obtains a table of bridge structure information at work sites from the GIS system; determines the structural type of the bridge engineering project at the work site based on the table; determines the corresponding structural dimension parameters based on the structural type; calculates a data table of structural quantities corresponding to the structural type of the bridge engineering project at the work site based on the structural quantity parameters; generates a summary table of bridge quantities at the work site based on the structural quantity data table; and queries a code table of bridge engineering structural quantity information based on the summary table to determine the structural quantity code. A cost quota is then obtained to calculate the bridge engineering cost. This method allows for direct division of bridge engineering structures using the GIS system, thereby enabling rapid and accurate calculation of the quantities of engineering works in bridge projects and improving the accuracy of engineering cost calculation.

Embodiments of the present invention relate to a method, device, electronic device and storage medium for constructing a text evaluation model, the method comprising: obtaining an evaluation text set and a preset number of sample texts under each of a plurality of structural types; performing stroke splitting on the sample texts in a first structural type to obtain a plurality of stroke information under the first structural type; performing feature extraction on the plurality of stroke information in the first structural type to obtain a feature library of the first structural type; matching the first evaluation text in the evaluation text set with the features of the feature library of each structural type respectively to determine the structural type corresponding to the first evaluation text, at least one evaluation target corresponding to the structural type and the weight of each evaluation target; constructing a text evaluation model according to the structural types corresponding to all evaluation texts in the evaluation text set, the evaluation targets corresponding to each structural type respectively and the weight of each evaluation target.

The present application provides a method and apparatus for controlling a multi-mode shaped beam in powder bed additive manufacturing. The method comprises: analyzing a geometric model of a component to obtain multiple characteristic regions corresponding to different structural types, including at least a portion of the component; assigning corresponding beam modes to the multiple characteristic regions based on the structural type and in combination with material properties and / or process objectives, wherein the beam modes are modulated to have different light intensity distributions and / or phases; applying the beam modes to the light beam, so that the light beam switches to the corresponding beam modes when scanning the multiple characteristic regions on the powder bed, so as to control the light spots matching the different characteristic regions during the additive manufacturing process, thereby simultaneously meeting the different forming requirements of multiple structural types in the same component.

The present invention discloses a digital simulation verification system and method for the repair and reinforcement of ancient buildings, relating to the technical field of data processing. The method includes: performing damage analysis on the three-dimensional modeling of the first ancient building, and extracting the structural type, material, shape and size of the damaged area; indexing and matching the repair and reinforcement process knowledge graph in the repair and reinforcement process library, and inputting the damaged data to update the prediction of material usage; based on the repair and reinforcement process number and the predicted material usage, simulating the repair and reinforcement to generate the second three-dimensional modeling; comparing the first and second modelings, calculating the feasibility of the repair and reinforcement, if the threshold is reached, recording the passing mark and outputting the corresponding scheme, thereby achieving the technical effects of providing accurate and efficient repair and reinforcement evaluation and improving the accuracy and reliability of the repair.

An embodiment of the present application discloses a method, device, medium and equipment for counting trap elements. Among them, the method includes: determining the structural type of the trap to be counted according to the trap to be counted obtained in advance; the structural type includes simple structure and complex structure; if the trap to be counted is a complex structure, then based on the preset search step, at least two depth values between the starting depth and the ending depth determined in advance are used to determine the trap area data corresponding to the depths; the trap elements of the trap to be counted are determined by using the ratio of the trap area data corresponding to adjacent depths. This technical solution can design the trap element counting method separately by distinguishing the structural types of traps, and can accurately count the trap elements by the area ratio method, thereby improving the counting accuracy and counting efficiency.

The invention discloses a method and device for identifying a component foundation, a storage medium and an electronic device, and the method comprises the steps: obtaining an engineering drawing obtained based on a target drawing rule, the target drawing rule being used for indicating a drawing color and a drawing line type for drawing pixels, and the pixels being lines and shapes forming a basic projection; the engineering drawing is analyzed, layer description information corresponding to the pixels is determined, and the layer description information is used for indicating drawing color information and drawing line type information of the pixels on the engineering drawing; determining a component set according to a connection relationship among the plurality of pixels; according to drawing color information and drawing line type information indicated by the layer description information corresponding to the pixels on the target component in the component set, a component foundation matched with the target component is determined, and the component foundation is used for indicating the structure type of the power equipment in the power substation. According to the method and the device, the technical problem of inaccurate component foundation identification in related technologies is solved.

To generate and display a 3D model from a planar view representing a building subjected to designing while suppressing a work burden for an operator.SOLUTION: A designing assisting device includes: an input unit that receives data for displaying the planar view of each floor of a building subjected to designing; a cut-out unit that cuts out, for each floor, the image of the building portion from the planar view; a setting unit that receives, for each floor, the setting for the origin of the image of the building portion and for the scale thereof; an altitude deciding unit that receives altitude information on each floor; a character extracting unit which extracts, from the image of the building portion, characters for each floor, and which obtains a character string including at least a character, the coordinates of the character string relative to the origin, and the direction of the character string; an estimating unit that estimates, for each obtained character string, the portion of the structural member represented by the character string and the structural kind thereof; and a displaying unit that generates and displays a 3D model representing the building subjected to designing and including the portion of the structural member represented by each estimated character string and the structural kind thereof using the scale and the altitude information for each floor.SELECTED DRAWING: Figure 2