160 results about "Block model" patented technology

A method of manipulating a three-dimensional virtual building block model by means of two-dimensional cursor movements, the virtual building block model including a plurality of virtual building blocks each including a number of connection elements for connecting the virtual building block with another virtual building block according to a set of connection rules, the method comprising positioning by means of cursor movements in a computer display area representing a two-dimensional projection of said model, a two-dimensional projection of a first virtual building block to be connected to the structure, resulting in a two-dimensional position; determining, from the two-dimensional position, a number of three-dimensional candidate positions of the first virtual building block in the three-dimensional coordinate system; selecting one of said candidate positions based on the connection rules and a predetermined set of position rating rules; and connecting the first building block to said structure at the selected candidate position.

The invention provides a joint test specimen method using 3D (three-dimensional) printing for making a structure surface containing specific geometrical characteristics, and belongs to a specimen making method of model test specimens similar to joint rock bodies. According to the method, the structure surface is independently designed according to study requirements, or the actual rock body structure surface appearance is obtained through a surface outline scanning technology; the designed structure surface penetrates through a complete cylinder model in 3D graphics software, two parts of complementary test block models obtained through separation are obtained through Boolean operation, and a 3D printer is used for respectively printing and forming the two parts of test block models; printing molds are respectively put into two specimen making boxes and are assembled, similar materials are cast into the specimen making boxes, and the mold dismounting maintenance is carried out after the materials are solidified and formed; the two parts of test blocks are correctly combined to obtain the standard test specimens containing the designed structure surface. The method has the advantages that (1) the operation of the method is safe, simple and convenient; (2) the complicated and variable structure surface is embedded in the standard test specimens, the actual rock body structural surface can be reproduced through being matched with the surface outline scanning technology, and the reasonable test result is obtained.

Integrated circuit models having associated timing and tag information therewith for use with electronic design automation to effectively model timing exception information. The present invention includes a circuit block model which allows automated circuit optimization to be performed on extremely large circuits without the need to load all of the details of the circuit into computer memory. The circuit models of the present invention effectively model timing including timing exception information. The model of the present invention is associated with command information, e.g., textual commands, that describe tags (which model exceptions) and arrival and required times associated with the tags. Specifically, for the input pins of a circuit to be modeled, the present invention writes out a command defining each unique required tag associated with an input pin and also writes out commands associating each required tag with its input pin. For the output pins of a circuit to be modeled, the present invention writes out a command defining each unique arrival tag associated with an output pin and also writes out commands associating each arrival tag with its output pin. The tag, arrival and required information is then associated with the model. Timing exceptions are thereby effectively and efficiently modeled using this process. The present invention also includes various circuit optimization processes that utilize the above described circuit model with command information. These circuit optimizations can be used for incremental optimization of a large circuit.

A work area setting and managing system which enables a operator to plan and manage work in a work area and set and store the work area at just the mobile work machine side at the work site is provided. The system is applied to a mobile work machine 11 performing land mine disposal work in the work area and provided with a GPS 3D position finding system and a tablet computer 62 having a display unit 63, input unit 64, and memory 65. This system is provided with a first means for displaying a work monitor screen 90 on a screen of the display unit, a second means for displaying a symbol of the mobile work machine on the work monitor screen based on positional coordinates of an attachment of the mobile work machine obtained by the GPS 3D position finding system, and a third means for preparing a work area based on an input operation of a operator using as the origin the symbol displayed on the work monitor screen and displaying a work area block model showing the work area.

The invention discloses a pedestrian re-identification method, device and equipment and a storage medium. The pedestrian re-identification method comprises the following steps: inputting each frame ofpedestrian picture into a residual error network to extract features; inputting features extracted from two adjacent frames into an optical flow graph prediction network to obtain a frame of opticalflow graph; inputting the features of the previous frame and the optical flow graph into a feature fusion device for fusion; inputting the fusion features and the optical flow graph of each frame intoa long-short-term memory network with an optical flow graph processing mechanism, inputting the obtained multi-frame data output features into a uniform volume integral block model for horizontal block processing, performing classification loss training on each block, and taking a classification score as a weight; multiplying the feature vector of each block by the weight to obtain a contrast loss function, training the whole pedestrian re-identification asymmetric twin network model, and carrying out pedestrian re-identification. According to the method, complementation information of multiple frames of pictures can be fused to generate complete pedestrian characteristics, noise information is removed, cost is saved, and recognition accuracy is improved.

A block model constructing method for complex geological structures is provided. The method comprises the following steps: a) making a triangle mesh description of a layer plane or a fault plane; b) judging whether two triangles intersect, and finding out the intersection points if they intersect; c) performing a geometric consistency and topological consistency processing within every intersectant triangle; d) extracting an enclosing block to acquire an interface constituted of peripheral edges of the enclosing block, and defining a geological attribute of the enclosing block to form a three-dimensional model block. The method needs not to solve difficult equation sets with large computation, thus simplifying the constructing method.

In a block model abstraction of an integrated circuit developed from a hierarchal netlist, the hierarchal handling of timing exceptions is accomplished by selecting certain nodes not viewable at the top level in accordance with a set of rules, and raising these nodes to the top level so that defined timing exceptions may be applied. The timing model is next generated, and exception signatures created for paths between the selected nodes. Signatures are then removed from paths were such signature would not otherwise be valid.

The invention discloses a modeling method for a magnetotelluric three-dimensional geologic structure model. In three-dimensional geological modeling, a block model is an effective three-dimensional geological model, which can describe and express geometrical characteristics, topological structures and attribute parameters of a geological object accurately. The three-dimensional block geological body is a closed body defined by a triangulation net surface; and the media in the closed body have the same or similar geological attributes. The invention provides a method for constructing a magnetotelluric complex three-dimensional geologic block; and the magnetotelluric complex three-dimensional geologic block is discretized into a network model which can be used directly by a magnetotelluric positive and negative algorithm by using a scanning line technology on the basis of a block model. By the method, an arbitrarily complex geological structure model including various complex structures such as sandwich, positive and reversed fault, feather edge, lens body and intrusive body, can be modeled, so that the method has high practicability.

An offline quantization module is used to optimize a rate-distortion task. The offline quantization module calculates a quantization kernel for a range of computable block parameters and a range of rate-distortion slope values representing the rate and complexity of a coded video. A quantization kernel is utilized by an encoder application for content-adaptive quantization of transformed coefficients. The quantization kernel includes a block data model, a quality metric model, and an entropy coding model. The quantization kernel is suitable for existing and future coding standards. A rate-distortion slope selection process is performed on a per-frame basis for improved rate-distortion performance. The slope is selected by referring to the block model parameter value within the quantization kernel.

The present invention relates to integration of an external processor capable of execution of one or more functions into a block diagram model environment such that the block diagram model environment can make function calls directly into the external processor without the need for traditional wait loops or handshaking means. Furthermore the results of the function that was called in the external processor can be passed to the block diagram model environment from the external processor.

The invention relates to a method for identifying abnormal human behaviors in power production based on a block model and belongs to the technical field of power safety production control methods. The method includes motion prospect extraction based on time domain and space domain information; elimination of potential shadows; object identification based on dimension invariant features; and abnormal human behavior identification in the power production based on a block. An enclosing rectangular density J, the rectangular density for short, refers to the proportion of a human object to a minimum enclosing rectangle, when a human body stands normally, the J is larger; and when the human body performs substantial abnormal behaviors, the J is smaller. If the J declines suddenly for a period, the human body is performing abnormal behaviors. According to the method, features are extracted through specific behaviors to identify human body specific behaviors, and accordingly, abnormal behaviors are discovered, violation of regulations is restrained, accidents are prevented, and the method has positive and great significance in the power production under the control of modern computers.

The invention provides a method for predicting a distribution rule of ground surface fissures induced by underground mining of a surface mine end slope. The method comprises the following steps of collecting terrain and geology data of a surface iron mine; building an underground mining model of the surface iron mine end slope; determining the parameters of the underground mining model of the surface iron mine end slope; numerical simulation of underground mining: utilizing a three-dimensional discrete element method to calculate the numerical simulation of mining of the surface iron mine end slope, so as to obtain a rock layer and ground surface movement rule; predicting the ground surface fissures. The method has the advantages that the problem of predicting of ground surface fissures caused by the end slope mining from the surface iron mine into the underground mine is solved; a three-dimensional geology model of the rock body of the surface iron mine is established by a three-dimensional geology modeling method, and is divided into a discrete block model suitable for the 3DEC calculation; the distribution scope and type of the ground surface fissures in the underground mining process can be predicted, and the support is provided for the safety production of mines.

The invention discloses a method for locating a main girder cable sleeve of a cable-stayed bridge. The method comprises the steps of: (1) manufacturing a tooth block model for anchoring according to the physical dimension of a tooth block anchoring model; (2) fixing the tooth block anchoring model on the surface of a main girder bottom template according to the locating coordinate of a cable anchor point; (3) welding the lower end of the cable sleeve on an anchor plate, and fixing the anchor plate on the inclined plane of the tooth block anchoring model; and (4) manufacturing a cable sleeve embedded bracket to support the cable sleeve below the cable sleeve, thus enabling the angle and direction of the cable sleeve and the deviation of the cable sleeve along the bridge direction completely to accord with the design and specification requirement. The angle of the cable sleeve is ensured by adopting the cable sleeve embedded bracket; the construction method is simple; the calculation and the welding do not occupy the time limit for the project; and the installation is simple; time and effort are saved, and a lot of technicists and devices are saved.

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.

A microwave heating device pertaining to one embodiment of the present invention is provided with: a plurality of antennas (13) for irradiating microwaves inside a heating chamber (100) that contains a heated object (110) having a plurality of regions; a sensor (14) for detecting information indicating characteristics of the individual regions from a block model (101) to which the information has been imparted; a display and input operating part (17) through which a condition of heating the heated object (110) is inputted; an electromagnetic field analyzing part (16) for deriving by electromagnetic field analysis a heating profile including a condition for irradiating microwaves at the heated object (110), the derivation being performed on the basis of the information detected by the sensor (14) and the heating condition inputted into the display and input operating part (17); and a control part (10) for controlling, on the basis of the derived heating profile, the action of microwaves irradiated by the antennas (13).

The scheduling of extraction of a resource within a mine is disclosed which comprises obtaining drill hole grade data relating to the resource and creating a plurality of different block models, with each block in each model having a resource grade and each of the block models honoring the drill hole grade data. An extraction schedule is determined based on a cut-off grade policy to increase expected net present value of the mine. The cut-off grade policy can be a variable cut-off grade and the scheduling using the variable cut-off grade is converted from a non-linear representation to a linear representation and a mixed integer programming formulation is used for simultaneous optimization of the extraction schedule and the cut-off grade.

A method for 3-D block modelling of a resource boundary in a post-blast muckpile to optimize destination delineation for resource control is provided. An in-situ pre-blast model of an ore deposit to be mined, movement data, blast design and explosive loading information, and post-blast topographic data are input in to the memory of a general purpose computer. Using the pre-blast block model, movement data, blast design and explosive loading information, and post-blast topographic data a three-dimensional vector field is generated. The method uses the three-dimensional vector field to move a plurality of centroids of the in-situ block model to populate a three-dimensional post-blast location. Then method optimizes the populated three dimensional post-blast location to determine a plurality of sets of optimal dig boundaries.

The invention provides a method for positioning and navigation by use of picture retrieval. The main content of the method comprises training data sets of scenic spots, inputting an image, performing a VQA (Visual Question Answering) model, predicting probability by use of a multilayer perception classifier and inputting the probability into a navigation software to acquire route information; the method comprises the processes of: firstly, creating a database by use of Chinese famous scenic spot pictures for training; when a scenic spot position is searched, importing a scenic spot image in a search bar, determining important words and image regions by use of the VQA model including a back propagation guidance technology and a blocking model; in combination with convolutional neural network (CNN) and Long Short-term Memory (LSTM), predicting answer probability distribution by using a multilayer perceptron as a classifier; and finally inputting an answer into the navigation software to acquire the route information. The method breaks through the limit that a destination can only be found and positioned by character input before; whereas through the method, a target location can be exactly searched and positioned even if people do not know the geographical name or cannot use the local language so that people travel more conveniently.

The invention provides a rubber block temperature field analogue simulation method considering a cord thread. The method is characterized by comprising the following steps that 1, a three-dimensional geometric model of a rubber block is built; 2, a mesh model is built; 3, a rubber block mesh model with the cord thread is built; 4, the unit strain energy density of the rubber block is extracted; 5, the strain energy density of rubber block joints is computed accurately; 6, the joint heat generation rate is computed; 7, temperature field analysis is carried out on the rubber block. The rubber block temperature field analogue simulation method considering the cord thread carries out temperature field computation and analysis on the rubber block model with the joints as the foundation, so that an accurate analogue simulation result is obtained, and a theoretical guidance is provided for actual application of the rubber block.

The invention discloses a communication network abnormal behavior detection method based on a random block model. The communication network abnormal behavior detection method comprises the following steps: step 1, processing network data: extracting a destination IP address of a source IP address from the obtained network data; step 2, constructing an adjacent matrix A; step 3, determining a random block model input matrix; step 4, inputting the matrix through the random block model to obtain a network topological graph; step 5, calculating a z-score value; step 6, judging whether the networkis abnormal or not according to the z-score value. The technical problems that in the prior art, for network abnormal behavior detection, interaction information between network data is not considered, and characteristics of communication network behaviors cannot be comprehensively displayed are solved.

The invention discloses a simulation method for a wind turbine generator model in conventional power system simulation software and relates to a wind turbine system, in particular to a method for performing modeling analysis of a double-fed wind turbine generator system by using a computer program. The method comprises the following steps of: building an inverter control model by representing a power inverter as a controlled current source; building a rotor side power inverter model; building a double-fed induction generator model, and forming a double-fed induction generator-power inverter model; simulating a wind turbine shaft and a double-fed induction generator shaft by adopting a double-mass block model; adopting a wind turbine generator pitch angle control model; forming a wind turbine generator simulation model; and building a wind turbine generator model fault dynamic response simulation testing system model by using the wind turbine generator simulation model. According to the method disclosed by the invention, the comparatively accurate wind turbine generator model is built, so that the running regulating characteristic of a wind turbine generator is reflected to the maximum extent, and the goal that the simulation of the wind turbine generator is performed by utilizing the conventional power system simulation software is achieved.