119 results about "Box model" patented technology

The invention discloses an image classifier adversarial attack defense method based on disturbance evolution. The method comprises the following steps that 1) the sample is attacked by different attack models so as to obtain different types of disturbance; 2) a block box model is attached by the adversarial sample corresponding to the disturbance and the attack effect is ordered; 3) cloning, crossing, variation and other operation are performed on the disturbance of great attack effect so as to obtain the new disturbance; 4) the disturbance is updated by using the parent-child hybrid selectionmode so as to achieve the objective of disturbance evolution; 5) an adversarial sample detector is trained by the adversarial sample corresponding to the evolved disturbance and the normal sample; and 6) when the detection sample is detected, detection is performed by using the adversarial sample detector firstly and then the normal sample is inputted to the black box model and the class is returned so as to achieve the adversarial attack defense effect.

A method for extracting tabular information from a web source by determining a plurality of coordinates for a plurality of visualized element nodes on the web source; determining a subset of the plurality of visualized element nodes based on the plurality of coordinates to obtain a candidate web table, wherein each of the subset of the plurality of visualized element nodes constitutes a logical cell of the candidate web table; determining textual content corresponding to the subset of the plurality of visualized element nodes as the textual content would appear after rendering the web source in a browser; and transforming the candidate web table into an explicit representation of relative spatial relation between at least one of the logical cell; and saving the explicit representation in a structured document format.

The invention relates to the field of ship design and manufacturing, and particularly relates to a method for designing and manufacturing circular anchor mouths and right circular conical anchor beds. The method is implemented by designing and manufacturing a deck, a hull, a hawse pipe, an anchor mouth and an anchor bed, wherein the hawse pipe passes through the deck and the hull, and the anchor mouth and the anchor bed are arranged on the outer side of the hull and used for fixing anchors, the anchor mouth is circular, and the anchor bed is a circular bed formed in that way that a right-circular cone intersects with the anchor mouth and the hull, wherein the developed surface of the anchor bed is a part of a developed surface of the right-circular cone. The method disclosed by the invention has the advantages of abandoning the defects of the prior art that anchor mouths and anchor beds are designed and manufactured by manufacturing irregular sample box models, providing a systemic technological theory support for the designing and manufacturing of anchor mouths and anchor beds, solving the design and installation problems of anchor mouths and anchor beds which puzzle the shipbuilding industry for a long time, optimizing the production process, and improving the production efficiency.

The various embodiments of the present invention disclose a Micro Data Center (MDC) system, wherein the system comprising a rack mountable box (100) housing, one or more uplink interfaces (102), one or more management interfaces (104), one or more switch cards (106), one or more line cards (108), one or more server cards (110), a power supply module (112), one or more visual indicators (114), a storage tray (116), and one or more Input-Output (I / O) cards (118), wherein the MDC system is a reconfigurable data center in a box model, where the one or more components of the MDC system are interoperably connected through on a peripheral component interconnect express (PCIe) Express MDC Super compute Fabric.

Block layout features in an interface under design are visually enhanced for a designer. When viewing the interface in a graphical design view of a development environment (DE), the DE adds a fill color for certain layout blocks making up the interface. The color selected for the block is selected to contrast against the colors of any adjacent blocks. The DE may also add visual representations showing the box model parameters of the layout blocks making up the interface. The developer is, therefore, able to see the visual block layout of the interface and also the basic layout of any of the individual blocks.

The invention relates to a basket-style steel box arch rib production method, which is characterized in that the specific manufacturing method is as follows: S1 arch rib three-dimensional layout and construction drawing drafting; S2 precise cutting and scribing; S3 arch rib assembly; and S4 box model welding. In the four steps, an entire basket-style steel box arch rib is subjected to three-dimensional layout and is unfolded into a plane to draft a construction drawing and special-shaped parts in the planar state are obtained through precise blanking, the key to the control of the process is ''precision'', that is, the shape of each part must be precise; and the linear shape of each splicing unit is controlled on a bed-jig and correction is carried out in the assembly process to complete the assembling and welding of each segmental unit of the basket-style steel box arch rib, the key to the control of the process is ''clinging'' and ''abutting'', that is, the edge of a part and the space position of assembled members are taken as a base, and the linear shape of a subsequent member is clung and abutted to the assembled members to obtain a precise linear shape. The basket-style steelbox arch rib production method reduces the technical preparation cycle of the processing and assembly of space special-shaped structures and reduces the difficulty in linear shape control during manufacturing installation.

A gray-box model of a system is constructed by specifying constraints for the system and applying subspace system identification to inputs and outputs of the system to determine system matrices and system state sequences for the system. A transformation matrix that satisfy the constraints from the system matrices and the system state sequences is determined, wherein the transformation matrix defines parameters of the gray-box model.

The invention relates to a method for cutting a block model of a three-dimensional ore body with an attribute to generate a two-dimensional profile map. The method comprises steps of: establishing a bounding box model according to the azimuth angle of the ore body and the maximum coordinate value and the minimum coordinate value of the ore body in a three-dimensional space; on the basis of the bounding box model, filling the ore body by using a cell block and a secondary graded cell block on the premise of a block coefficient method while using the block model as a constraint condition; performing Kriging interpolation on the block model to compute reserves; selecting the cutting direction in order to cut the block model subjected to the Kriging interpolation; and automatically drawing and outputting the profile map in a two-dimensional program. The method utilizes multiple new ways and new techniques including cell block and secondary graded cell block mixed filling bounding box technology, Kriging interpolation technology, block cutting technology, and fast two-dimensional reserves profile map forming technology so as to rapidly and highly efficiently cut the block, generate a two-dimensional reserves profile map, and achieve linked switching of two-dimensional and three-dimensional data.

The invention discloses a method for researching diffusion properties of atoms in a glass system based on molecular dynamics simulation. The method comprises the following steps that a box model of amorphous glass is built; the glass box model is geometrically optimized; molecular dynamics calculation is conducted on the geometrically optimized glass box model, and comprises that 1) high temperature relaxation is conducted, 2) the temperature is lowered from high temperature to low temperature continuously, 3) low temperature relaxation is conducted, and conformation track files under different temperature are output, the conformation track files output under different temperature are subjected to statistical analysis, mean square displacement (MSD) distribution of different atoms is output, and the diffusion coefficients of different atoms are obtained according to Einstein's law. The method adopts a molecular dynamic method to carry out statistical analysis on glass structures underdifferent temperature, solves the problem that the diffusion coefficients of the atoms of the glass under different temperature cannot be tested and analyzed by an experimental means through combination with the Einstein's law, is beneficial for more precise understanding of the diffusion behavior of the atoms in a glass forming process, and provides reference for analyzing and researching the microstructure of the glass.

The invention provides a multi-driving autonomous networked boxing model robot system and a control method thereof, and relates to the field of autonomous control robots. Problems of complex structure, inflexible movement and a difficulty in realization of independent control of left and right arms of a current boxing model robot are solved. Linkage mechanisms are arranged in a left arm and a right arm of a robot body. A motor drives the left arm and the right arm to carry out punching actions via the linage mechanism. The linkage mechanisms in the left arm and the right arm are mutually independently, so the left arm and the right arm can carry out different types of punching actions in different directions simultaneously in the same time. Via a front walking mechanism and a back walking mechanism at the bottom of the robot body, movement of the robot can be achieved. Via an elevating mechanism, rising or descending of the whole robot body can be achieved, and real actions in the boxing processes can be simulated. The robot system is suitable for simulation of boxing counteracting exercises or games.

The present invention relates to the technical field of Web front-end development, and in particular relates to a method for implementing CSS multi-browser compatibility. The method according to the present invention achieves CSS multi-browser compatibility via a combination of label and CSS style. The method according to the present invention effectively solves the problems that floating in the conventional IE browser generates double distance, FF and IE are not adaptive to the difference and height of a box model, and thus the integral effect of the page is affected. The method can be used in implementation of compatibility of CSS with various browsers.

The invention discloses an industrial robot collision preventing method. Firstly, geometric models of a robot and a workpiece are refreshed according to the predicted robot motion state, and robot andworkpiece geometric model crossed detection is conducted, and accordingly whether the risk that the workpiece collides with a robot body exists or not is detected; after it is detected that the robotand the workpiece are free of the collision risk, an AABB surrounding box model is established according to the refreshed robot and workpiece geometric models, accordingly, workpiece AABB surroundingbox model crossed detection is simplified, finally, the robot, the workpiece and outer tools in the crossed area are subjected to crossed detection, tools not in the crossed area do not need to be subjected to crossed detection, and accordingly the crossed detection operand is reduced. The procedure is simple, and the execution efficiency is high. By means of the method, the collision risk can bedetected in time before potential collisions happen, the robot is stopped, collisions are avoided, and the method is suitable for any running work condition of the robot.

The invention provides a point cloud collision detection method applied to a robot grabbing scene. The method comprises the following steps of S1, constructing a bounding box model of a robot clampingjaw, and collecting point cloud data in a workpiece region; S2, establishing a robot coordinate system, a vertex coordinate system and a point coordinate system, and obtaining a homogeneous transformation matrix; S3, obtaining the coordinates of each vertex of the bounding box model and the coordinates of each point of a point cloud under the robot coordinate system respectively according to thehomogeneous transformation matrix; S4, judging the relationship between each point of the point cloud and the bounding box model, and obtaining the quantity of the points, in the bounding box model, of the point cloud; and S5, comparing the quantity of the points, in the bounding box model, of the point cloud with a preset threshold so as to detect whether the clamping jaw collides with an actualobject or not in advance. According to the point cloud collision detection method applied to the robot grabbing scene, the problem of unstable grabbing caused by a collision conflict between a clamping jaw and other workpieces touched by the clamping jaw in the workpiece grabbing process of a robot currently is solved.

The invention provides a multi-drive remote control boxing model robot system and a control method of the robot system, relates to the control technology of boxing model robots, and aims at solving the problems that the existing boxing model robot is complex in structure, cannot be flexible to act and is difficult to respectively control a left arm and a right arm. The multi-drive remote control boxing model robot system is that a remote controller is used for controlling a robot; a remote controller control module implemented through software is embedded in the remote controller; a robot control module implemented through software is embedded into the robot; the remote controller and the robot communicate through a wireless communication module; the robot comprises two punching mechanisms, a front walking mechanism, a rear walking mechanism and a medium raising cam and can perform punching, walking, raising, lowering and other actions under the control of the remote controller; the action is direct and flexible, the parts are simple, and the left arm and the right arm can be respectively controlled without mutual interference; in addition, the left arm and the right arm can be respectively controlled. The multi-drive remote control boxing model robot system is applicable to simulation of boxing action.

The invention relates to an air target tracking method based on deep learning and specifically relates to the air target tracking method based on deep learning. The method comprises the following steps: through an MDNet, collecting positive samples of a first frame image and carrying out random sampling, and training a bounding-box model with the samples obtained after random sampling serving as adata set; then, training an AR model, order and parameters of which are determined by utilizing a minimum information criterion and a least square method, and estimating target motion trajectory andpredicating a target position; and then, serving the target position as a sampling center of the MDNet, and adjusting the target position through the bounding-box regression model, and thus tracking is finished accurately. The method can adaptively extract air target characteristics, combine with the AR model and effectively utilize motion information of a target, so that dependency of the MDNeton the target characteristics can be reduced greatly, pseudo-target interference is solved, and meanwhile, tracking precision is improved.

The behavioral model and predistorter for modeling and reducing nonlinear effects in power amplifiers addresses the model size estimation problem. The GMP model is replaced by the hybrid memory polynomial / envelope memory polynomial (HMEM) model within a twin nonlinear two-box structure to reduce the number of variables involved in the model size estimation problem, without compromising model accuracy and digital predistorter performance. A sequential approach is presented to efficiently estimate the model size. Experimental validation is carried out to evaluate the performance of the size estimation and the accuracy of the HMEM-based twin-nonlinear two-box model with respect to that of the GMP-based twin-nonlinear two-box model.

The invention relates to a turntable vacuum moulding production line which comprises a shakeout transfer trolley, an electromagnetic iron absorption mechanism, a pouring mechanism, box closing manipulators, a box returning motor roller way, a box opening space motor roller way and a box opening space. In the invention, multiple pairs of upper and lower box models are arranged in a circular automatic moulding ring respectively; the models are continuously subjected to coating, spraying, drying, empty box fastening, sand addition, compaction, smoothening and back film coating, wherein all operations can be automatically performed, except for the spraying which is manually operated. Two rapping box closing manipulators are arranged between two moulding rings so as to perform rapping, box turning and box closing on the lower and upper boxes respectively. The closed moulding boxes are continuously arranged in the pouring moulding ring and sequentially subjected to pouring, cooling and box opening, wherein manual pouring is adopted generally, and other processes can be realized automatically; and due to the automatic moulding line, the production efficiency is greatly improved, and the moulding of 20 models can be realized per hour.

The present invention discloses a flexible cable path intelligent planning method considering gravity constraint rules. The method comprises the following steps: carrying out modeling on the three-dimensional environment of the wiring space, and using the partitioned space division method to carry out partition division on the overall space of the product so as to obtain a to-be-wired space area that needs to be wired and a non-wiring space area; carrying out grid processing on the divided to-be-wired space area, establishing an obstacle bounding box model, and establishing a wiring space grid model and an abstract model of the wiring path point; and finally, carrying out intelligent search and optimization on the flexible cable path by using the ant colony optimization algorithm and by considering the gravity constraint rules. According to the method disclosed by the present invention, automatic obstacle avoidance can be realized, the wiring route satisfying certain engineering rules is generated, and the wiring efficiency of the flexible cable and the final overall performance and reliability of the product are improved.

The invention discloses a manufacturing method of a carbon fiber automobile battery box. The manufacturing method comprises the following steps that firstly, an automobile battery box machining die is designed; secondly, an automobile battery box model is machined; thirdly, an automobile battery box die is manufactured; fourthly, materials are prepared; and fifthly, an automobile battery box is manufactured, the surface of a cavity of the automobile battery box die is coated with a releasing agent and coated with a gel coat layer in a sprayed mode, carbon fiber cloth is laid through 3M spraying glue, vacuumizing is conducted after an auxiliary tool is placed, epoxy modified vinylite is led into, releasing is conducted after curing is finished, trimming and punching are conducted on a product according to a drawing, and the inner face is coated with insulation varnish in a sprayed mode. The invention further discloses the carbon fiber automobile battery box manufactured through the method. By reasonably designing a structure and a laying mode, better mechanical strength and lower use weight can be achieved, and compared with the weight of a battery box with the traditional material, the weight of the carbon fiber battery box is reduced by 44.1%.

The invention relates to an anti-seismic composite material and its manufacturing method. The material is a high-rigidity, high-strength and high-elasticoplastic material and it consists of steel member in a radial arrangement and members with the shock-absorbing performance. The number of two members can be same, or the number of the steel member is more than the number of the members. The method of manufacturing the anti-seismic composite material includes the following steps of preprocessing the steel members; welding the steel members to a box model; pouring melted material liquid with the shock-absorbing performance into the model by casting method and forming by cooling.

The invention belongs to technical area of very large-scale integrated circuit, specific to layout and wiring model of general field programmable gate array. Based on VPR scientific model, the disclosed model improves connection box (CB) model and switching box model (SB) in VPR. Thus, the possessing representative ness, comparative flexibility, the new model can process structure of CB and SB in FPGA. Based on the model, combining relevant method of software process, the invention starts from an initial FPGA structure, changes structure of CB and SB, and finds optimal structure of CB and SB relevant to this FPGA structure. Test result shows that the disclosed model possesses important guiding effect for optimizing FPGA structure.

The invention discloses a table implementation method. The method comprises the steps of obtaining height and width information of a table content main body and height and width information of rows and columns; wherein the table is generated by a div label; determining the table row and column number of the current visible area of the table content main body; creating an anchor point row and endowing an initial height value, and creating an anchor point column and endowing an initial width value; monitoring a div rolling event for the anchor point row and the anchor point column to obtain a rolling distance value; updating row and column contents needing to be displayed in the visible region according to the rolling distance value; and rendering the row and column contents needing to be displayed in the visible region. According to the method, the boundary values of the visible region and the target region can be more easily calculated through the div label, the rendering capability ofthe dom node of the complex table can be efficiently realized by combining the characteristics of different box models, and the performance and the efficiency are higher; the div label can avoid theworkload of the fixed column function simulated by the table label in row and column width and height calculation, and the calculated amount is small.

The invention discloses a lightning electromagnetic environment simulation method and system. The method comprises steps of acquiring an aircraft sample box model established in a CST cable working chamber; setting a lightning stroke path of the lightning current based on the model; adding an electromagnetic element in the lightning stroke path to obtain a simulated lightning current; setting a background material and a boundary condition of the simulated lightning current; using a transmission line matrix algorithm to carry out mesh generation on a simulation environment to obtain an electromagnetic simulation model, determining simulation parameters based on a set solver, performing circuit modeling based on an aircraft sample box model, simulation lightning current and the simulation parameters to obtain a circuit simulation model, and performing electromagnetic field simulation and circuit simulation simultaneously based on the electromagnetic simulation model and the circuit simulation model to obtain a simulation result of a lightning electromagnetic environment. The CST platform is used for lightning electromagnetic environment analysis, the CST platform has the advantages of being convenient to verify, flexible, accurate and low in cost, and simulation of the electromagnetic environment can be visually and vividly achieved without complex work.

A method for predicting grid-connected power of regional photovoltaic power station considering system loss mainly comprises the following steps: A, based on support vector machine method, utilizing multiple meteorological parameters such as solar irradiance, cloud cover temperature and other meteorological parameters, and photovoltaic module surface irradiance, module temperature and other components photovoltaic power generation model. B, according to DC line loss model, bus box model, invert model, AC section loss model and transformer model of that grid-connected power flow component of the photovoltaic module, obtaining a regional photovoltaic power station loss modelC, according to that output prediction of the photovoltaic module and the grid-connected tidal current loss of the regional photovoltaic pow station, providing a grid-connected power prediction method of the regional photovoltaic power station considering the system loss of the component. Compared with other photovoltaic output forecasting methods, the present invention not only exerts the advantages of the support vector machine method in forecasting the small sample data and increases the forecasting speed, butalso further defines each loss in the photovoltaic grid-connected link, which is favorable for the effective operation of the regional photovoltaic power station.

The invention belongs to the field of safety prediction of service robots and discloses a prior safety predicting method for operation of a double-arm service robot under the dynamic environment. Themethod comprises the steps of (a) obtaining the skeleton model and the point cloud of a to-be-predicted object so as to obtain the space position information of the to-be-predicted object; (b) building a kinematic model and a three-dimensional structure model of the double-arm robot so as to obtain the space position information of the double-arm robot, and unifying the position information of theto-be-predicted object and the position information of the double-arm robot into the same world coordinate system; (c) selecting a spherical bounding box or a capsule type bounding box for the to-be-predicted object to build a bounding box model, and selecting a capsule type bounding box for the double-arm robot to represent a bounding box model of each part; and (d) calculating the distance between the bounding box models of the to-be-predicted object and the double-arm robot and judging whether the predicted object is safe or not according to the distance value. Through the method, the calculation efficiency is improved, the calculation time is shortened, and the calculation precision is improved.

The invention discloses a method for automatically converting a design drawing into a webpage based on a box model, and the method comprises the steps: S1, carrying out the semantic definition of thedesign drawing, and enabling the design drawing to be converted into box data; And S2, analyzing the box data obtained in the step S1, and converting the box data into a webpage. According to the method, semantic definition is carried out on the design drawing to generate an intermediate language which can be understood by a computer, namely box data, and then the box data of the design drawing are automatically understood by a computer algorithm and analyzed to generate a webpage which can be directly used. The method has the advantages of improving the front-end efficiency, reducing the workload, improving the reusability, reducing the repeated work, improving the output quality, reducing the difference and the like, and can be widely applied to the technical field of methods for converting design drawings into webpages.

The invention discloses a three-dimensional point cloud quick detection method and belongs to the technical field of computer vision. The three-dimensional point cloud quick detection method comprises step 1, obtaining three-dimensional point cloud data of a scene and downsampling three-dimensional points of to-be-detected objects to generate into a variable density concentric box model; step 2, calculating normal vectors of the three-dimensional points of the to-be-detected objects in the variable density concentric box model and a database; step 3, downsampling the three-dimensional points of the to-be-detected objects in the variable density concentric box model and the database, extracting respective key points and generating into edge histogram descriptors of the three-dimensional points; step 4, generating into a partial reference coordinate system of the key points of the to-be-detected objects in the variable density concentric box model and the database; step 5, performing key point matching; step 6, performing similarity analysis and finally finding the to-be-detected objects. The three-dimensional point cloud quick detection method can effectively reduce environment detection processing time and meanwhile guarantee the environmental detection effectiveness.

The invention relates to a method for determining a rib laying manner of a reinforced retaining wall based on a sand box model test. Initial rib laying parameters of a wallplate are calculated out by establishing a sand box model of a simple interface model and through the Rankine earth pressure theory and the mechanism of action of a reinforced retaining wall, thus a wallplate with pull ribs is manufactured; an earth pressure model loading test is carried out, the number of arrangement layers of the pull ribs is gradually reduced, the rib laying parameters are calculated again, the earth pressure model loading test is repeated, and the optimized number of layers of the pull ribs, the horizontal intervals of all the layers and the vertical positions of all the layers are obtained; the length of the pull ribs is gradually reduced, and the earth pressure loading test is repeated until the optimized length of the pull ribs is obtained. According to the method for determining the rib laying manner of the reinforced retaining wall based on the sand box model test, the theory computing method and the earth pressure model test are effectively combined, the optimal pull rib arrangement manner of the reinforced retaining wall can be obtained more simply, more rapidly and more reliably. Thus, the reinforced retaining wall can stably and effectively play a role in supporting, the total number of layers of rib adding is minimal, the length of the pull ribs is the shortest, the consumption amount of rib materials is small and the structure is economic.

The invention belongs to the field of civil engineering, and relates to a unidirectional shearing model case for vibration table tests. The model case mainly consists of a peripheral case body, layering side plates and springs, wherein the two ends of the layering side plates are embedded in longitudinal slide grooves formed in the model case body; a plate gap slide groove is formed between the upper and lower adjacent layering side plates; roll balls are arranged in the plate gap slide groove; the inner side of each layering side plate and the peripheral case body are connected by the springs. Through the springs, a test soil body has certain lateral pressure in the vibration process, so that the lateral soil pressure in the soil body vibration process is simulated; the layering side plates can freely slide in the longitudinal slide grooves; the influence of friction on the test soil body is reduced, so that the tests can effectively simulate the vibration mechanical property of the soil body. The unidirectional shearing model case has the advantages that the safety is realized; the structure is simple; the application is convenient.

The invention discloses a single-driving remote-control boxing model robot system and a control method of the robot system and relates to a control technology of boxing model robots. The single-driving remote-control boxing model robot system and the control method of the robot system aim at solving the problems that an existing boxing model robot is complex in structure and not flexible in action, and the circumstance that one motor is used for driving a left arm and a right arm is difficult to achieve. According to the single-driving remote-control boxing model robot system and the control method of the robot system, a remote controller is used for controlling a robot, a remote controller control module achieved through software is embedded in the remote controller, a robot control module achieved through software is embedded in the robot, and the remote controller and the robot are in communication through a wireless communication module. The robot comprises two punching mechanisms, a front walking mechanism, a rear walking mechanism and a middle lifting cam. Actions of punching, walking, ascending, descending and the like can be completed under the control of the remote controller. The actions are visual and flexible, parts are simple, one motor is used for controlling the left arm and the right arm respectively, and control over the left arm and control over the right arm do not interfere with each other. The single-driving remote-control boxing model robot system and the control method of the robot system are suitable for simulating boxing actions.