24 results about "Column model" patented technology

The invention provides an automatic parking method and device, electronic equipment and a vehicle, and the method comprises the steps: obtaining an all-round view image and distance data of the vehicle in the automatic driving process of the vehicle; according to the distance data, screening out a cylinder obstacle in the surround view image; determining an included angle between a cylinder axis of the cylinder obstacle and a parking space central axis of the target parking space, and a circle center coordinate and a radius in a vehicle coordinate system; according to the included angle, the circle center coordinate and the radius, a solid column model of the column obstacle in the current environment is constructed, and a safety envelope column model is constructed based on the solid column model and a preset safety distance expansion rule; performing transverse correction and longitudinal correction on the original parking area of the target parking space according to the safety envelope column model to obtain an effective area of the parking space; and controlling the vehicle to be parked in the effective area of the parking space. Accurate automatic parking of the vehicle can be achieved, and the vehicle rubbing risk is reduced.

To provide a torsion response prediction method and a torsion response prediction device capable of easily evaluating torsion response caused by foundation input motion of a building located on irregular ground.SOLUTION: Calculating respective impedance ratios α γ = (γ 1 * Vs1) / (γ 2 * Vs2) of the stratum structures 1 and 2, where Vs1 and Vs2 are respective shear wave velocities of the stratum structures 1 and 2, and γ 1 and γ 2 are respective wet densities of the stratum structures 1 and 2, and calculating an area ratio β = A1 / (A2 + 2A1) from respective basic cross-sectional areas A1 and A2 of the stratum structures 1 and 2; A response analysis of a one dimensional soil column model is performed with respect to each of the layer structures 1 and 2, maximum displacements D1 and D2 of the grounds of the layer structures 1 and 2 are calculated, a difference in ground displacement Δ D = D1 - D2 is obtained, and a rotation angle θ max of the building caused by a base input motion is calculated using the following equation θ max = = p * (Δ D·L) q·α γ / β using preset coefficients p and q with a base length L of the building.SELECTED DRAWING: Figure 2

To provide a multi-functional soil column model device and an application method.SOLUTION: There is provided a multi-functional soil column model device with which: a pushing plate is made to come closer to a soil layer in a lower direction through extension of an electrically-driven push rod and one end of a rope is connected to a fixation plate, so that a rope disc releases the rope to generate rotation; a rotating shaft drives a cum to rotate and to generate a push-out motion between the cum and a pulley to make a first spring together with a fixation piece reciprocally vibrate, and the fixation piece makes a disc with a screw together with the pushing plate reciprocally vibrate through a second spring; and the pushing plate drives downward to hold a vibration state to be made contact with the soil layer and to carry out compaction work as continuing vibration to improve compaction quality of the soil layer, which simulates a road base soil layer better.SELECTED DRAWING: Figure 1

The invention belongs to a sample generation method, and provides a physical simulation sample generation method for power transmission line icing defects and a related device for solving the technical problems that an existing method for generating power transmission line icing samples in a simulation mode is insufficient in authenticity, diversity and high efficiency. Calculating an icing defect generation path of the power transmission line, performing parameterization generation on an ice column model, determining an attachment position of an ice column generated by parameterization on the power transmission line in combination with a probability density field and inverse transformation sampling, enabling the ice column to present a windward deflection form, and enabling the ice column to be attached to the icing defect generation path of the power transmission line, the method obtains the icing defect virtual scene, converts the icing defect virtual scene into available sample data, and is of great significance in improving the icing defect early warning capability of a power system and guaranteeing safe and stable operation of a power grid.

The invention relates to the field of building information model construction, and discloses a building rectangular structural column reinforcement cage parameterized modeling method, which comprises the steps of building a building information model, initializing a project environment through a user interface, reading geometric attributes and non-geometric attributes of a structural column model, and building a rectangular structural column reinforcement cage. Reinforcing bar information in the non-geometric attributes is converted into structured reinforcing bar data, a longitudinal bar model is established on the surface of the structural column according to the plane coordinates, the three-dimensional coordinates of binding points of each stirrup on the longitudinal bars are calculated at the same time according to a special-shaped stirrup circulating winding method, three-dimensional modeling of the stirrups is carried out according to the coordinates of the binding points, and the three-dimensional modeling of the stirrups is carried out. Building of a building rectangular structure column steel reinforcement framework model is completed; according to the method, the stirrup binding points are automatically calculated on the basis of the longitudinal bar coordinates by adopting a special-shaped stirrup circulating winding method, automatic processing is carried out by directly reading geometric attributes and non-geometric attributes of the model, the problems of manual intervention and data synchronization are solved, complex design rules are converted into algorithm logic, and intelligent and compliant modeling of the whole process is achieved.

The application discloses a lightning protection grounding design method and design system based on a BIM model, and belongs to the technical field of computer-aided design, and comprises the following steps: S1, a model family module is established; S2, basic parameters are acquired; S3, a lightning receptor belt model is generated by using a lightning receptor belt family, and a lightning receptor leg model is generated by using a lightning receptor leg family, and the lightning receptor leg model is arranged on the lightning receptor belt according to an input interval; S4, a horizontal grounding electrode model is generated by using a horizontal grounding electrode family, and a vertical grounding electrode model is generated by using a vertical grounding electrode family by picking up a horizontal grounding electrode; S5, a break connection card model and a connection body model between the break connection card and the horizontal grounding electrode are generated by using a break connection card family by picking up a structure column model and the horizontal grounding electrode model; S6, connection of lightning protection grounding related equipment is performed; S7, lightning protection grounding equipment marking is performed, and lightning protection grounding material tables in an Excel format are counted and exported; and S8, a lightning protection grounding topology diagram is generated.

The invention relates to a reinforcing and forming method for a photocuring 3D printing ceramic core, which comprises the following steps: additionally arranging an outer frame model on the periphery of a three-dimensional model of the ceramic core, and connecting the outer frame model with the side wall of the three-dimensional model through a plurality of connecting column models to construct an integrated reinforcing model; adding a printing support to the strengthened model; slicing the reinforced model added with the support to generate slice data required by photocuring printing; ceramic slurry is adopted, photo-curing 3D printing is conducted according to the slicing data, the ceramic core, the outer frame and the connecting columns are integrally formed, and a biscuit of the ceramic core is obtained; and the outer frame and the connecting columns in the biscuit are removed, and the ceramic core is subjected to cleaning, degreasing and sintering treatment. The outer frame model and the uniformly distributed connecting column models are additionally arranged on the periphery of the three-dimensional model of the ceramic core, so that the rigidity of a biscuit is enhanced, the biscuit is uniformly stressed in the pressing process, defects caused by swinging of the biscuit are avoided, and the quality is effectively improved.

The application relates to the field of building information model construction, and discloses a building rectangular structure column reinforcement framework parameterized modeling method, which comprises the following steps: establishing a building information model, initializing a project environment through a user interface, reading geometric properties and non-geometric properties of a structure column model, converting reinforcement information in the non-geometric properties into structured reinforcement data, establishing a longitudinal reinforcement model on the basis of the plane coordinates on the structure column surface, simultaneously calculating three-dimensional coordinates of a binding point of each stirrup on the longitudinal reinforcement according to a special-shaped stirrup cyclic winding method, and performing three-dimensional modeling of the stirrup according to the binding point coordinates to complete creation of a building rectangular structure column reinforcement framework model; the special-shaped stirrup cyclic winding method is adopted to automatically calculate the binding point of the stirrup based on the longitudinal reinforcement coordinates, and automatic processing is performed by directly reading the geometric properties and the non-geometric properties of the model, so that manual intervention and data synchronization problems are eliminated, complex design rules are converted into algorithm logic, and intelligent and compliance modeling of the whole process is realized.

The invention belongs to the technical field of hydraulic engineering model tests, and provides a lifting type pier foundation scouring all-terrain scanning monitoring device based on the acoustic principle. The lower portion of the acrylic stand column model is buried in the sand surface and is perpendicular to the sand surface, the acoustic sounding probe is fixed to the tail end of a cable through a clamp, the driving motor is meshed with the annular gear track through a driving gear to drive the carrying platform to move around the column, and the telescopic frame motor controls the rhombic telescopic frame to stretch out and draw back through thread transmission. The cable retracting motor controls the cable to retract and release through the fixed pulley block. According to the invention, a lifting system in which track type circular motion is combined with rhombic telescopic frame and cable cooperation is adopted, panoramic and multi-depth-layer three-dimensional scanning of the pile periphery scouring terrain is realized, the device has the characteristics of adjustable detection depth, high measurement precision and good stability, and an advanced test technical means is provided for research on a bridge foundation scouring mechanism.

The application belongs to the technical field of radio wave propagation prediction modeling and optimization, and discloses a construction method, system, device and terminal of an outdoor fast ray tracing model, 3D digital geometric information of an outdoor environment of a ray tracing model is imported, and initial input parameters of the ray tracing model are fixed; the input parameters are initialized, including a transmitting antenna operating frequency, a transmitting power, a transmitting and receiving antenna position and environmental electrical parameters; the ray tracing model is run, and field strength, power and multipath information of a prediction point are calculated. The application imports a column model into an outdoor ray tracing algorithm, and the column model has much fewer surface elements than a triangular surface element model, so that the calculation efficiency of the ray tracing algorithm is greatly improved. In a specific outdoor environment, compared with a ray tracing algorithm model based on a triangular surface element model, the ray tracing algorithm efficiency of the transformed column surface element model provided by the application is higher, and the modeling model of common software can be directly used.

The present application belongs to the field of photovoltaic technology, and provides a kind of multi-point drive photovoltaic tracking system and design method, its method includes: the driving device close to the outer end of main shaft is segmented towards the outer end of main shaft of the main shaft, and the main shaft between two driving devices is segmented, to obtain the position of multiple preset segments;The torsion angle of the preset segment between driving device and the end of main shaft, and between adjacent two driving devices is calculated;According to the position of multiple preset segments, the main shaft and column model of multi-point drive photovoltaic tracking support is established, after inputting model parameters, the torsion angle corresponding to each preset segment, load parameter, finite element analysis is carried out, and stress ratio and support reaction force parameter are obtained.The present application proposes a kind of automatic modeling method for mechanical analysis of multi-point drive photovoltaic tracking system, generates stress ratio chart, support reaction force, calculation book and other files based on finite element analysis results, for quickly designing multi-point drive photovoltaic tracking support.

This invention provides a turbine foundation design method based on PDMS, comprising the following steps: establishing a support platform model in a PDMS model based on the external dimensions of the upper components located at the top of the turbine unit, the support platform model being used to support the upper components; establishing a support column model based on the height of the lower components located below the upper components and the operating level elevation of the turbine unit, the support column model being used to support the support platform model; establishing an upper component model on the support platform model, and establishing a lower component model below the support platform model; adjusting the shape and dimensions of the support platform model and the support column model through collision checks; and determining the actual shape and dimensions of the turbine foundation based on the adjusted shape and dimensions of the support platform model and the support column model. The turbine foundation layout designed by this invention is reasonable and accurate.

The invention discloses a simulation test device and method for water inrush of a fault subsidence structure induced by mine water recharge, and relates to the technical field of mine water disaster prevention and control, the device comprises a mine water supply and regulation system, a water inrush simulation box and a real-time monitoring system, and an adjustable structure simulation system is arranged in the water inrush simulation box. Fault or collapse column models with different parameters can be constructed, confining pressure and temperature are applied through a rubber sleeve and a temperature control jacket, a deep stratum environment is simulated, a real-time monitoring system synchronously collects multi-field coupling data, and real-time judgment and early warning of four levels of risks of stability, evolution, criticality and water inrush are achieved based on grey correlation analysis and an improved Bayesian judgment algorithm. When the risk is upgraded, the system automatically regulates and controls the recharge parameters in a linkage mode, safe disposal is achieved, the whole process of activation water inrush of the structure induced by deep well recharge can be controllably reproduced, and effective indoor test means and data support are provided for risk evaluation and prevention and control strategy formulation of a recharge project.

The invention relates to a testing device for an impact test, in particular to a pier anti-collision testing device based on spring equivalent buffering and a using method, and aims to solve the problem that a large deviation exists between an existing method and engineering practice, and the pier anti-collision testing device based on spring equivalent buffering comprises a supporting platform. A reaction wall is arranged on the side of the supporting platform seat, and a high-speed camera is arranged on the front side; the device further comprises a structural column, a buffer assembly and an impact assembly. The structural column is arranged at the top of the supporting platform and connected with the reaction wall; the buffering assembly is slidably arranged on the top of the supporting platform and located on the same horizontal line with the structural column. The impact assembly is arranged on the top of the supporting platform and located on the same horizontal line with the buffering assembly. A distortion damage mode caused by free top of a traditional cantilever column model is avoided, the test result is closer to engineering practice, the initial speed and kinetic energy of the impact trolley can be accurately controlled, and the test requirements of different impact strengths are met.

The invention discloses a machining method and device of a bony expansion device with anchorage nails and a storage medium. The machining method comprises the steps that a digital expansion device model is imported into a digital oral cavity model of a patient; based on the CT information of the patient, the position of the digital arch expander model in the digital oral cavity model is adjusted until the position requirement is met; a positioning column model is generated based on the adjusted position of the anchorage nail model of the digital expansion device model, and a digital positioning oral cavity model is obtained; according to the digital positioning oral cavity model, manufacturing a positioning oral cavity model real object; and according to the positioning columns on the positioning oral cavity model object, manufacturing the arch expanding device. The problems that in the prior art, a technician determines the implanting position of an anchorage nail through manual lineation according to an oral cavity model, the matching accuracy of the anchorage nail and the oral cavity skeleton of a patient is poor, and the orthodontic effect is poor are solved.

The application discloses a computer-aided design intersection analysis method based on a Transformer and a feature column, and belongs to the technical field of CAD and artificial intelligence intersection. The method comprises the following steps: randomly generating a polynomial equation set of a parametric curve or surface, constructing Wu feature column data set and pseudo division data set; training a Transformer model to obtain a pseudo division model, and fine-tuning to obtain a Wu feature column model; converting input CAD geometric object parameter equations into a polynomial equation set, inputting the Wu feature column model to obtain an implicit equation; according to an intersection type judgment criterion, completing intersection analysis between curves and curves, surfaces and surfaces, and curves and surfaces, and outputting intersection points, intersection lines or compliance reports. The application combines symbolic computation and deep learning, and significantly improves the automation level and calculation efficiency of the CAD geometric intersection task.

This application relates to the field of marine technology, specifically to a method, computer storage medium, and device for verifying marine portal frame pipe supports and columns. By supplementing the non-geometric parameters of the three-dimensional piping model, the model number of the pipe support column profile is retrieved using a lookup function from the pipe support column's empirical design parameter library. This model is then compared with the pipe support column model in the three-dimensional piping model. If they do not match, they are marked for subsequent processing by the designer; if they match, the verification passes. This verification method uses a lookup function from the pipe support column's empirical design parameter library to determine whether there are any unconventional designs or design errors in the pipe support column design. Compared to manual search and calculation verification, this verification method is more efficient.

This invention discloses a concrete column model and its casting method, as well as a method for testing the buckling of reinforcement in the model. The concrete column model includes a column body, with the middle part of the column body serving as the testing section. The two ends of the testing section are the upper end and the lower end, respectively. The testing section, the upper end, and the lower end are integrally cast. At least one first hard plate is provided on the joint surface between the testing section and the upper end, and at least one second hard plate is provided on the joint surface between the testing section and the lower end. The beneficial effects of this invention are: the upper and lower end regions of the concrete column are constrained by denser stirrups, and additional constraints are provided on the outer sides of the upper and lower end regions using carbon fiber cloth (or steel plates, etc.). This allows the concrete failure and longitudinal reinforcement buckling to be controlled in the middle region (i.e., the testing section), thereby avoiding the randomness of the failure area and failure mode, and is beneficial for reflecting the interaction between reinforcement and concrete.

The invention belongs to the field of social event prediction, and particularly relates to a social event prediction method, system and device and a storage medium, and the method comprises the steps: inputting a training data set into a knowledge base model, obtaining a first output feature, calculating binary cross entropy loss, and obtaining an optimized activity column model; calculating a current information matrix according to current knowledge base model parameters, the initial information matrix and estimated optimal parameters, combining the initial information matrix as a new initial information matrix, calculating a second total loss according to the first forward propagation output and the second forward propagation output, and calculating a second total loss according to the first distillation loss and the regularization loss. Calculating to obtain a first total loss according to the first total loss and the second total loss, calculating to obtain a third total loss according to the first total loss and the second total loss, traversing the training data set to obtain the minimum third total loss so as to obtain adjustment model parameters, and obtaining an optimal knowledge base model according to the adjustment model parameters. The method has the effects of resisting disastrous forgetting, reducing the risk of missing report and effectively controlling the false alarm rate at the same time.

The application discloses a column section information table generation method, which comprises the following steps: after obtaining column numbers and axial network coordinates, determining a plurality of first column models, obtaining column top elevation data of each first column model, and generating first sorting data after sorting in floor sequence; obtaining section numbers and distribution numbers of each first column model, respectively sorting in the order of elevation data to generate second sorting data and third sorting data; establishing a blank preset information table on an overall column positioning map, filling the column numbers, axial network coordinates, first sorting data, second sorting data and third sorting data into the blank preset information table, generating a column model information table and displaying; through the application, the description of all sections and reinforcement information of the same type of column can be completed on an overall column positioning map according to the generated column model information table.

The invention provides an efficient three-dimensional information extraction method, medium and equipment for metallurgical public and auxiliary projects, and relates to the technical field of metallurgical engineering digitization, engineering practical experience and multi-year project data are integrated in an enterprise knowledge case library, and a set of complete innovation process of public and auxiliary station building process three-dimensional BIM information extraction and structure information receiving and returning is summarized; generating column models in batches based on the axis net and automatically shifting; the requirements of information providing civil engineering and electric instruments can be matched by reading equipment model parameters, and a model with information providing information is generated; according to the position and the trend of the pipeline, pipe ditches, embedded parts, supports, trepanning and casing pipes which meet the requirements can be matched, a model is generated, meanwhile, related marking and information providing requirements are completed, professional civil engineering, electric instruments and the like are provided, civil engineering deepening design is performed, and information is returned. According to the method, the model and data interaction barrier between the process and the downstream civil engineering and electric instrument specialty can be broken through, and the purposes that one model has multiple purposes and one model reaches the bottom are achieved, so that the overall three-dimensional design efficiency and level of the metallurgy public and auxiliary project are comprehensively improved.

The application provides a BIM and dynamo-based fabricated interior partition wall connecting method and system. The method comprises the following steps: generating a three-dimensional model of the fabricated interior partition wall by constructing a parameterized family file library and a configuration rule set, combining a preset project plan view evaluation scheme, and generating a data table, extracting geometric information and spatial correlation information, obtaining geometric spatial correlation data of the wall and the main structure, generating an initial list of construction column point positions, performing spatial deduplication and construction column family mapping to generate an optimized list of construction column point positions, and combining user-configured dynamic parameter data and geometric spatial correlation data to generate a construction column instance set; the application generates two-dimensional data anchor points, a three-dimensional construction column model, replaces the basic wall with a curtain wall family, completes grid division, replaces curtain wall panels, and encodes components, generates an initial list of construction column point positions, performs dynamic threshold accurate deduplication and spatial accurate alignment, and embeds full-dimensional data of the construction column, thereby achieving accurate connection of the fabricated interior partition wall.

The application discloses a simulation test device and method for mine water recharge-induced water inrush in faulted structure, relates to the technical field of mine water disaster prevention and control, and comprises a mine water supply and regulation system, a water inrush simulation box and a real-time monitoring system. The water inrush simulation box is internally provided with an adjustable structure simulation system, can construct fault or subsided column models with different parameters, and applies confining pressure and temperature through a rubber sleeve and a temperature control jacket to simulate deep stratum environment. The real-time monitoring system synchronously collects multi-field coupling data, and realizes real-time discrimination and early warning of four levels of risks, namely, stable, evolution, criticality and water inrush, based on grey correlation analysis and an improved Bayes discriminant algorithm. When the risk escalates, the system automatically links and regulates recharge parameters to realize safe disposal. The application can controllably reproduce the whole process of deep well recharge-induced structural activation water inrush, and provides effective indoor test means and data support for risk evaluation and prevention and control strategy formulation of the recharge project.

The invention relates to a karst cave group three-dimensional modeling method based on seismic wave cross-hole CT and drilling data fusion, and the method comprises the following steps: S1, obtaining a wave velocity spatial data sample, carrying out the spatial interpolation of a karst cave group in a karst region, and building a seismic wave velocity data volume three-dimensional attribute model of the karst cave group in the karst region; s2, establishing a drilling column model in the same space domain, and reading space coordinates at boundary points of a karst cave and limestone in a drilling column; s3, obtaining a limestone-karst cave boundary wave velocity threshold spatial data volume model; and S4, comparing the seismic wave velocity data body model of the karst cave group in the karst area with the limestone-karst cave boundary wave velocity threshold spatial data body model, binarizing grid nodes in the model area according to a comparison result, comparing drilling data, and verifying the accuracy of the model. According to the method, the seismic wave cross-hole CT inversion wave velocity and drilling data and grid node binaryzation are fused, the spatial position and form of the karst cave group are accurately given, and the three-dimensional geological model of the karst cave group in the karst area is constructed.