11 results about "Section analysis" patented technology

The invention discloses a white and black pavement structure exterior and interior disease one-key plotting method oriented to pavement health management, and relates to the technical field of road engineering detection and maintenance. Reflection crack tracing is realized based on an interlayer disease conduction rule by establishing a cement board joint coordinate system; the method comprises the following steps: determining the types of broken slabs and slab corner fractures by utilizing the spatial geometrical relationship between cracks and joints, calculating indexes such as a load transfer coefficient, a reflection crack rate, a slab breakage rate and a pavement condition index, and generating a visual result containing disease distribution and performance parameters in a linkage manner. According to the method, the traditional single structure layer analysis limitation is broken through, the reflection crack recognition accuracy rate exceeds 92%, the broken plate judgment accuracy rate reaches 94% or above, the batch data processing time complexity is optimized to O (n + m), the single road section analysis time is shortened to be within 5 minutes from 2 hours, the problems of low manual detection efficiency, large errors and the like are effectively solved, and quantitative support is provided for precise maintenance of white and black pavements.

An artificial intelligence-based joint quality prediction method includes collecting raw data including joint cross-section analysis data and joint equipment monitoring data and generating training data by preprocessing the raw data. The artificial intelligence-based joint quality prediction method also includes training, based on the training data, a joint quality prediction model configured to output joint quality of joint equipment based on real-time data collected in real time by the joint equipment. The artificial intelligence-based joint quality prediction method additionally includes validating the trained joint quality prediction model through a K-fold cross validation.

This invention provides a method and system for generating casting process models for automotive chassis components based on multimodal feature recognition. The entire process is automated, effectively addressing the industry pain points of traditional process modeling, such as excessive reliance on human experience, long design cycles, and poor consistency. This invention integrates multi-strategy feature recognition algorithms based on rules, cross-section analysis, and topology spread. It can accurately extract key process features such as spindle holes, machined holes, and complex curved surfaces, and establish a unified local coordinate system, significantly improving the accuracy of complex structural feature recognition. Through a standardized process rule library and standard parts library, it achieves automatic blank processing, automatic selection and assembly of standard parts, and automatic mold generation, compressing the traditional modeling cycle of several days to several hours. Furthermore, this invention performs specific optimizations after selecting chassis components, ensuring that the process scheme closely matches actual production, effectively guaranteeing the consistency and reliability of the process model, and significantly reducing casting process design costs and the risk of human error.

The application relates to the technical field of rock-soil section analysis, in particular to a slope section stability analysis system, which comprises a slope segmentation module, a multi-model analysis module, a working condition correction module and a stability coefficient calculation module. The slope segmentation module is configured with a section segmentation strategy, a virtual three-dimensional slope model is constructed by performing geological contour scanning on a slope, and a plurality of characteristic sections are generated by analyzing the virtual three-dimensional slope model. The multi-model analysis module is configured with an analysis model library, the analysis model library stores a plurality of slope space analysis models, and the structure surface of the characteristic sections is analyzed to determine corresponding rock mass structure models. The working condition correction module is configured with a slope working condition parameter library, and is used for establishing a parameter mapping relationship with the corresponding characteristic sections. The stability coefficient calculation module is configured with a safety coefficient analysis model, and the rock mass structure model and the slope working condition parameter library are used for calculation and analysis to determine the slope stability coefficients of the corresponding characteristic sections under different working conditions. The application has the effect that the accuracy and comprehensiveness of slope section stability analysis are improved.

This application discloses a method for constructing a three-dimensional structural model based on cross-section analysis, belonging to the field of geological model construction technology. The method includes: acquiring borehole trajectory data and observation data for a target geological area, and determining virtual intersection points between each borehole trajectory; calculating the local gradient deviation and spectral vector of each borehole trajectory at the virtual intersection point based on the observation data; constructing a confidence weighting matrix based on the intersection angle and local gradient deviation between each borehole trajectory; determining the optimal observation value at the virtual intersection point with the smallest spectral vector error based on the confidence weighting matrix and the spectral vector deviation between each borehole trajectory; updating the observation data with the optimal observation value to generate a corrected observation sequence, and constructing a three-dimensional structural model based on the corrected observation sequence. This application achieves the technical effect of improving the reconstruction accuracy of the model structure under complex borehole layout conditions and enhancing the continuity of topological fractures or attribute fields in the model.

The application discloses a kind of composite briquette adding phase geometric structure and space distribution optimization method, adopt ellipsoid equation to simultaneously describe round ball type, whisker type, sheet type filling method, realize the optimization design of different geometric shapes;Specific steps are as follows:1, give the relevant condition of briquette;2, establish the r-θ2D section analysis model of briquette;3, given the discrete geometric number of adding phase;4, generate corresponding ellipse in model using random algorithm;5, determine whether the ellipse generated in 4 has problem, if there is problem, repeat 4;6, repeat steps 4, 5, generate M sets of data containing random geometry, space distribution;7, carry out mesh division;8, use numerical analysis method and solve in parallel, obtain M groups of key variables;9, based on the result in 8, using genetic algorithm and other optimization means, evaluate the pros and cons of M groups of design, then generate M groups of data again in combination with steps 4-6;10, repeat steps 4-9 until the optimization algorithm convergence condition is reached;11, output optimization result.

The invention belongs to the technical field of pathological sections, and particularly relates to a pathological section analysis device which comprises a workbench. A feeding unit, a scanning unit and a discharging unit are arranged above the workbench. The feeding unit comprises a containing groove formed in the workbench, and a containing plate is slidably connected into the containing groove. By arranging a first bevel gear, a second bevel gear and a reciprocating screw rod, when feeding is needed, a first motor is started, an output shaft of the first motor drives a rotating rod to rotate, the rotating rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, and the first bevel gear drives the reciprocating screw rod to rotate; the placing plate is driven by the reciprocating screw rod to move upwards, at the moment, the glass slide on the uppermost layer moves upwards to the top of the workbench, then the first electric push rod is started, the push plate is driven by the output end of the first electric push rod to move, the glass slides are integrally pushed to the scanning unit through the push plate, and the function of rapid feeding is achieved.

The application discloses a fixing device for tire section analysis, and relates to the technical field of tire section analysis, in particular to a fixing device for tire section analysis. The application utilizes the friction force between the inflation air bag and the inner wall of the tire section to fix the tire section, makes the tire section bear force uniformly, avoids partial stress, and further avoids deformation of the tire section, improves the accuracy of geometric data collection of the tire section, and the fixing assembly can realize rotation and lifting of the tire section, so that the tire section can collect geometric data at multiple angles, and improves the data collection efficiency.

The invention discloses a Yellow River downstream dam stability rapid evaluation and early warning method. The method comprises the following steps: S1, unmanned aerial vehicle positioning and river channel parameter identification; s2, analyzing a river surface flow field; s3, inverting and verifying the water depth of the river channel; and S4, dam bank section analysis and stability judgment. According to the method, GPS data and a river channel surface video are acquired through an unmanned aerial vehicle, a flow field is analyzed by using a PIV technology, the water depth is inverted in combination with an innovative calculation formula, a dam bank section is intercepted based on an underwater topographic map, the stability of the dam bank is judged, and early warning is issued. The method is suitable for the field of Yellow River downstream dam bank stability analysis, can efficiently and accurately evaluate the dam bank stability, and has the advantages of scientificity and practicability.

Disclosed is a combined numerical and graphical grid and matrix cross-section analysis method for use in structural simulation calculations. The method comprises the following steps: decomposing and discretizing an analyzed component object, and on the basis of grid locations occupied by units after decomposition and discretization, determining a cross-sectional shape and locations of the units; using a mathematical tool capable of performing a matrix operation, using a grid to express a cross-section, determining coordinates by means of a cross-section grid, and using a matrix sequence to represent a cross section of the entire component; implementing matricization of component information by means of combined graphical and numerical value assignment simulation of all cross sections. The present invention uses a spatial grid to simulate a cross section of a component, and by means of establishing discrete grid units, using combined numerical and graphical means, using a matrix positioning method for grid coordinates, and using a multi-dimensional digital matrix to record data, it is possible to establish a unified structural component input and analysis module, which can implement simulation of a structural system in the most intuitive and concise way, and provide considerably effective analysis result display.

The invention discloses an electric power system operation mode rapid backtracking method, system and device based on section analysis and a storage medium, and the method comprises the steps: executing AC power flow N-K scanning in a historical main operation mode of a power grid, and recognizing power flow sections with overload out-of-limit of other lines after elements are cut off; calculating a power transfer coefficient of the cut element to each overload line in the section, and establishing a section inequality describing a section power change relation based on the transfer coefficient; when the planned line is shut down and overhauled, reading a stored section inequality related to the line to be overhauled, performing backtracking calculation according to the section inequality in combination with historical operation data similar to the current operation scene, and evaluating the overload risk of other lines in the section after the overhauled element is cut off; and the controllability of the section in a historical similar scene is judged based on the overload condition so as to evaluate the feasibility of the maintenance plan. The requirements of scheduling personnel on calculation efficiency and real-time performance are met, and a basis is provided for line maintenance outage plan arrangement.