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228results about How to "Rapid modeling" patented technology

Machine reading model training method and device, question and answer method and device

The invention discloses a machine reading model training method and device, a question and answer method and a device, and belongs to the field of natural language processing. The machine reading model training method comprises the following steps: acquiring a training sample, wherein the training sample comprises a sample question and a corresponding sample article, a real initial position and areal final position of the corresponding answer in the sample article; extracting a question feature vector of the sample question and an article feature vector of the sample article, and using a neural network structure to fuse and process the question feature vector and the article feature vector to form a fusion result; inputting the fusion result into a classifier to perform prediction of theinitial position and the final position of the answer; performing error calculation on the predicted initial position and final position, and the real initial position and the real final position of the answer; and optimizing the neural network structure according to the error calculation result. According to the machine reading model training method and device, the question and answer method anddevice in the embodiment of the invention, the corresponding answer can be directly extracted from the entire associated article through end-to-end deep learning.
Owner:ZHONGAN INFORMATION TECH SERVICES CO LTD

Modeling method of traffic prediction

The invention discloses a model method of a traffic prediction. The method comprises the following steps of: (1) establishing a road traffic basic facility geographical information database, storing and updating traffic planning schemes, and establishing intersection delay determination; (2) establishing an urban planning construction geographical information database, storing regulatory detailed plans of each area, and utilizing an original unit method to construct traffic generation cases; (3) calling data of the road traffic basic facility geographical information database and the urban planning construction geographical information database, and utilizing a gravity model method to predict parallel distributed matrixes; (4) constructing a multi-element logit model, and determining the probability distribution for a single person selecting a travelling mode in specific travelling information; and (5) utilizing a capacity-limited multi-path distribution method to carry out traffic distribution. The modeling purpose, method to realization are overall planed, modeling parameter selection, basic data sources and calculation program design are coordinated, and the convenient application and operation of a traffic prediction model system are ensured.
Owner:JINAN MUNICIPAL ENG DESIGN & RES INSITITUTE GRP

Modeling skin-covered robotics devices including artistic digital iterative design processes

ActiveUS20110087354A1Uniformly distribute forceQuickly and accurately madeToysSpecial data processing applicationsRoboticsAnimation
A method for fabricating a product, such as an animatronic character, with artificial skin. The method includes providing data defining an exterior surface geometry of the product. A base geometry model of the product is generated based on the exterior surface geometry data, which in turn is used to fabricate a prototype of the product. Then, an exterior skin mold is formed using the product prototype mounted on an alignment block. The method includes fabricating an inner support structure based on the base geometry model having an exterior geometry smaller than the 3D base geometry model by the thickness of the exterior skin. The inner support structure is positioned within the mold with the inner support structure mounted upon the alignment block, which is received in the mold. The product is formed by pouring material for an exterior skin layer into the mold and over the inner support structure.
Owner:DISNEY ENTERPRISES INC

Method of constructing virtual experiment teaching scene based on image material

ActiveCN102508991AEasy-to-read virtual experiment teaching sceneThe virtual experimental teaching scene is beautifulSpecial data processing applicationsEditing/combining figures or textGraphicsHuman–computer interaction
The invention relates to a method of constructing a virtual experiment teaching scene based on an image material. The method mainly comprises the following steps: obtaining an image object of a teaching experiment instrument by using an interactive image object extracting method based on a geodesic line; rapidly modeling vivid and reusable virtual experiment components by using the image object of the teaching experiment instrument and a simple geometric pattern element, and adding the virtual experiment components into a multidisciplinary virtual experiment component library; on the basis of initialization of the virtual experiment teaching scene, searching the required virtual experiment components from the virtual experiment component library according to a user requirement, combining the searched virtual experiment components to an initial virtual experiment teaching scene, and editing the logic attribute and appearance attribute of the selected virtual experiment components in a visual form; in the virtual experiment teaching scene, interactively pointing the connection relation between the virtual experiment components by a user, automatically constructing and visualizing the connection relation by using a connection line generation algorithm based on equivalence connection so as to finish the construction of the virtual experiment teaching scene.
Owner:BEIHANG UNIV

CNN-based LSTM photovoltaic power generation power prediction model and construction method thereof

The invention belongs to the field of photovoltaic power prediction, and discloses a CNN-based LSTM photovoltaic power generation power prediction model and a construction method. The model onsists ofa two-layer CNN convolutional layer, an LSTM, an attention mechanism and a full connection layer. When only power data exists, feature extraction is carried out on an input one-dimensional power generation power time sequence through a double-layer convolution layer, a plurality of data matrixes are obtained through 3 * 1 convolution kernel operation. Information abstraction from the time sequence to high-level features is achieved. The attention mechanism automatically pays attention to an LSTM hidden layer output vector obtained by each matrix through an LSTM algorithm, and a greater weightis given to a characteristic quantity remarkably related to the current output quantity. The output vector of the attention mechanism is processed into a one-dimensional vector through an unfolding operation and inputted the one-dimensional vector into the full connection layer, wherein a full connection layer directly outputs the predicted value of the photovoltaic power generation power at thenext moment. The method is small in data size, high in transportability and high in prediction precision.
Owner:CHINA JILIANG UNIV

Three-dimensional foot type measuring and modeling method based on specific grid pattern

The invention is a 3D foot shape measuring and modeling method based on special mesh pattern, wearing the socks printed with meshes on the foot, then synchronously shooting by many digital cameras, ensuring the corners of each mesh shot by as least two cameras, then based on the principle of solid visual and optical imaging, reconstructing 3D positions of all the corners of the meshes; on this basis, utilizing these reconstructed 3D positions, obtaining the 3D meshes covering the foot by fitting, and finally by the restriction of the 3D meshes on the spatial positions of a standard foot, by deformation modeling method, establishing a special model for the 3D foot shape and calculating the parameters of the 3D foot shape. It has low cost, integrating hardware device with software system. It has strong operability and low implementation cost, beneficial to popularization.
Owner:ZHEJIANG UNIV

Conductor galloping resistant method of iron towers of overhead power transmission lines

The invention relates to a conductor galloping resistant method of the iron towers of overhead power transmission lines. The method comprises the following steps: building a iron tower model, setting conductor galloping parameters, building a coupling system model of iron towers and conductors, adding iron tower nodal loads, setting tower foot nodal constraints, defining a load curve; setting time parameters, using a core computing module for computing and solving; using a post-processing module to directly display the galloping animation of conductors and iron towers, and directly computing and outputting an internal force-time history curve of iron tower units; and checking the bearing capacity of iron tower units according to the computed and output internal force-time history curve ofiron tower units, and judging whether iron tower units are needed to reinforce. The conductor galloping resistant method considers the coupling effect of iron towers and conductors, has higher accuracy in the research of the conductor galloping rule, and can be used to compute and analyze the influence of conductor galloping on iron towers, research the galloping-resistant bearing capacity of iron towers and provide the basis of iron towers reinforcement, thus meeting the needs of scientific researches and engineering designs.
Owner:CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP

Numerical simulation method of planar solid oxide fuel cells

The invention discloses a numerical simulation method of planar solid oxide fuel cells. The method includes the steps that 1, performance parameters of planar solid oxide fuel cells are globally defined; 2, 3D simulation models of planar solid oxide fuel cells are established according to geometric dimensions of cells inside a battery pack, physical fields are selected for the 3D simulation models as required, known parameters are input to the physical fields, and 3D simulation models with physical field parameters are obtained; 3, mesh generation is conducted on the 3D simulation models with the physical field parameters, stable-state solving is then conducted, stable-state operational data is obtained, post-processing is conducted on the stable-state operational data, and the required condition curves or 3D images are obtained. According to the method, parameterized structural design is conducted on SOFC, rapid modeling is achieved, and the efficiency of SOFC optimization design is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Pressure conduit circuit equivalence analogy method in course of hydropower station transition

The invention relates to a circuit equivalent simulation method for a pressure conduit in an electric system hydraulic power station, belonging to the hydraulic power station water power system modeling field. The method comprises the following steps that: an unsteady flow transfer matrix is obtained through analysis and calculation of an unsteady flow equation in the pressure conduit, and the transfer matrix is the same with a forward transmission equation of a uniform transmission facility which ignores the conductance to earth, thereby a pi-shaped equivalent circuit model of the uniform pressure conduit can be established according to the two-port theory. Pressure diversion conduits with different lengths are equivalent by adoption of one or a plurality of pi-shaped circuit models, thereby an equivalent point network model of the whole diversion conduit is obtained. The circuit equivalent simulation method can be used for quick modeling of the pressure conduit and is convenient for a system researcher to establish a model of a whole water power system so as to research interaction between hydroelectric power and electromechanical power during the transient process of the hydraulic power station. Moreover, water hammers of different types and pressure steel pipes of different lengths during the transient process of the hydraulic power station are simulated by adoption of the method, and both principle analysis and simulation indicate that the method is correct and effective.
Owner:KUNMING UNIV OF SCI & TECH

Method for iron tower anti-lead galloping of coupled system of iron tower, lead and anti-galloping device

The invention discloses a method for iron tower anti-lead galloping of a coupled system of an iron tower, leads and an anti-galloping device. The method comprises the following steps: establishing an iron tower model; setting a lead galloping parameter; establishing a coupled system module of the iron tower, the leads and the anti-galloping device; adding an iron tower node load; setting tower foot node restraining; calculating and solving by utilizing a core calculation module; utilizing a post processing module to directly calculate to output an internal force-time course curve of an iron tower unit; checking the bearing capacity of the iron tower unit according to the calculated output internal force-time course curve of the iron tower unit; and judging whether the iron tower unit needs to be reinforced. The invention considers the coupling effect of the iron tower, the leads and anti-galloping device, accurately studies the lead galloping regulation after the weapon is additionally arranged, can calculate and analyze the influence of lead galloping on the iron tower, studies the bearing capacity of iron tower galloping resistance, provides a basis for reinforcing the iron tower unit, and can satisfy the requirements of scientific research and engineering design.
Owner:CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP

Axial split-phase magnetic suspension flywheel motor suspension force numerical modeling method

The invention discloses an axial split-phase magnetic suspension flywheel motor suspension force numerical modeling method. The method comprises the steps of simulation and experiment design, sample collection and processing, model offline training and model online optimization. On one hand, the extreme learning machine based on principal component analysis is used for improving the adaptability and robustness of the model to parameter changes, rapid and accurate modeling of small sample data is achieved, and the precision and speed of the suspension force model are improved. On the other hand, a differential evolution algorithm is introduced to optimize the network structure, so that the built model can meet the precision requirement and the real-time control requirement, the problems oftoo many hidden layer neurons and huge network structure are avoided, the calculation speed of the model is increased, and the model is more suitable for modeling of such motors.
Owner:NANJING INST OF TECH

Shafting dynamic and static characteristic analysis calculating system of large steam turbine generator unit

The invention relates to a shafting dynamic and static characteristic analysis calculating system of a large steam turbine generator unit to solve the problems that an existing computing system is low in computing result precision and working efficiency. The system comprises a modeling module used for establishing a rotor mechanical model; a bearing analysis module used for calling data of the rotor mechanical model of the modeling module and bearing loads and elevation data of a static analysis module, calculating steady state data and the dynamics coefficient of a bearing and storing the dynamics coefficient; a dynamic analysis module used for calling the data of the rotor mechanical model of the modeling module, the shaft load data of the static analysis module and the dynamics coefficient of the bearing analysis module and analyzing the critical rotating speed and the unbalanced response of a rotor and the rotor stability; the static analysis module used for calling the data of the rotor mechanical model of the modeling module and carrying out front calculation through the bearing analysis module and the dynamic analysis module. The shafting dynamic and static characteristic analysis calculating system is applied to the field of large turbines.
Owner:HARBIN TURBINE +1
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