193results about How to "Design faster" patented technology

The invention discloses a three-dimensional garment modeling and pattern designing method based on draping. The method comprises the following steps of: reading a three-dimensional human model represented by a triangular grid to generate a three-dimensional garment model; generating a contour line of the three-dimensional garment model, and modifying the shape of the contour line; drawing suture lines on the surface of the three-dimensional garment model to divide the surface of the three-dimensional garment model into a plurality of areas of which each is a three-dimensional pattern; selecting a three-dimensional pattern, generating the three-dimensional grid corresponding to the three-dimensional pattern, converting the three-dimensional grid into a two-dimensional garment pattern, and setting a suture schematic drawing of the two-dimensional garment pattern; re-discretizing a boundary line of the two-dimensional garment pattern into a polygon consisting of straight line segments with uniform lengths, and triangulating the two-dimensional garment pattern; and computing the position of the triangulated two-dimensional garment pattern in a three-dimensional space to obtain a final three-dimensional garment model, and finally simulating hanging effects of three-dimensional garments. The method is high in speed and relatively higher in accuracy.

The invention relates to a 3D (three-dimensional) apparel grading method based on human body characteristics. The 3D apparel grading method comprises the steps of reading a 3D human body model; generating characteristic points and characteristic lines of the 3D human body model; calculating the size of the 3D human body model; reading a 2D (two-dimensional) apparel pattern; putting the 2D apparel pattern at the proper position on the 3D human body model to obtain the 3D spatial position of the 2D apparel pattern; calculating the relative position relationship of the boundary control points of the 2D apparel pattern and the 3D human body model; setting a grading size of the 3D human body model and calculating the grading differences; setting the grading datum points of the 2D apparel pattern; calculating the grading offsets of the boundary control points of the 2D apparel pattern, and updating the boundary shapes of the 2D apparel pattern; and adjusting the grading quantities of certain special control points according to the design requirement of the apparel pattern to obtain a final grading apparel pattern. According to the method, the design speed is fast, the efficiency is high, the degree of automation is high, the design process of the apparel is accelerated greatly and the design quality of the apparel is improved.

The invention provides a charging design method of a solid rocket engine. An agent model is used as a basis to directly carry out approximation on a thrust curve, and the thrust curve, instead of the agent model of a least square deviation between the thrust curve and a design index, is constructed to effectively describe a change rule of the thrust along with time so as to obviously reduce the simulation frequency of a high-precision burning surface and a trajectory. The agent model can better describe the change rule of the thrust curve, effectively guides subsequent search in a subsequent design, and can obviously improve the charging design efficiency of the solid rocket engine.

Techniques for optimizing the placement and synthesis of a circuit design on a programmable integrated circuit are provided. The performance of a circuit design is analyzed after it has been compiled with different values for selected input parameters. The input parameter values that produce the best results for an output metric are then chosen to synthesis and place the circuit design on the programmable integrated circuit. In one embodiment, the values of the output metrics are averaged for all test compiles that share the same input parameters, but different seeds. In another embodiment, the compile with the best output metrics, as determined by the user, are selected. These techniques allow a user to automatically trade off compile-time to get a better-optimized circuit.

The invention discloses an array structure of reconfigurable operators, comprising a logic unit for implementing logic function, a connection unit for implementing connection function and an input/output unit for implementing external communication, wherein the logic unit comprises a plurality of reconfigurable operators; the connection unit comprises interconnection resource and configuration nodes with switching characteristic, the reconfigurable operators are interconnected through the interconnection resource, and the connection path between every reconfigurable operator and the interconnection resource is provided with the configuration node. Particular functions are implemented in the array structure by fixing the function of every reconfigurable operator and the connection relationship of all the reconfigurable operators in a manner of programming the array structure, and the array structure includes excellent programmability and expansibility.

The invention discloses a PSIM software-based solar maximum power point tracking algorithm and a simulation system. The simulation system comprises a solar photovoltaic cell model, a voltage sensor and a current sensor which are sequentially connected with the output end of the solar photovoltaic cell model, a solar maximum power tracking module MPPT.DLL, a comparer and a power conversion circuit, wherein after being respectively detected by the voltage sensor and the current sensor, the real-time voltage and the real-time current generated by the solar photovoltaic cell model are transferred into the solar maximum power tracking module MPPT.DLL to generate a control signal, the control signal and a carrier signal are processed by the comparer to output a PWM waveform signal, and the PWM waveform signal controls the duty factor of the power conversion circuit, thereby controlling the equivalent impedance of load connected with the output end of the power conversion circuit and realizing the maximum power point tracking of the photovoltaic cell.

The invention discloses a construction method of a multi-storey residential structure. The method comprises the steps of building a model of the multi-storey residential structure, building a stochastic seismic motion model of the multi-storey residential structure, computing the displacement and speed power spectrum densities of main components of the multi-storey residential structure, building a damage model of the multi-storey residential structure, computing a damage index, performing double reliability evaluation on the model of the multi-storey residential structure, and performing construction. The method performs construction according to the model of the model of the multi-storey residential structure which is qualified through evaluation in advance, reasonably performs adjustment in time according to an evaluation result, improves the earthquake-resistant behavior and the safety of structure, improves the efficiency and saves the cost.

The invention provides a catalytic material screening method and a catalytic material screening system combining a high-throughput experiment and high-throughput calculation. The method comprises thesteps: screening a to-be-confirmed catalytic material meeting a target catalytic performance by using a catalyst structure-activity relation model constructed based on the data results of a high-throughput experiment and high-throughput calculation; performing high-throughput preparation and high-throughput performance evaluation on the screening result to obtain the experimental result of the to-be-confirmed catalytic material; and comparing the catalytic performance prediction result of the to-be-confirmed catalytic material with the experimental result of the to-be-confirmed catalytic material, and determining that the to-be-confirmed catalytic material is the catalytic material reaching the target catalytic performance under the condition of a predetermined deviation range. According to the scheme, the theoretical calculation simulation result, the existing experiment result and the new catalyst characterization result can form a mutual verification relationship through the catalyst structure-activity relationship model constructed based on the high-throughput experiment and the high-throughput calculation, so that the screening precision and the screening speed of the catalytic material are improved.

A costume design optimization system is characterized by comprising a man-machine operation module, a costume design module, a costume design template database, a costume material database, a data mining module, a cost calculation module, shopping network base stations, a historical supplier database, a central processing unit, a 360-degree spectra vision module, a virtual actuator, a virtual sensor, a design parameter optimization module and an encryption module. Three-dimensional simulation of a costume design draft is realized through the 360-degree spectra vision module, the effects at various angles can be observed without making costume, all simulation data are provided by the shopping network base stations, materials are found very conveniently, and the cost price budgeting is very clear; through self-definition by the virtual sensor and the virtual actuator, simulation optimization of design parameters is realized, the optimized design draft can be obtained, and the work efficiency of a designer is greatly improved. The costume design optimization system has the advantages of being scientific, reasonable, high in operability, high in design speed, good in effect and the like.

The invention provides a parametric modeling and labeling method. The parametric modeling and labeling method comprises the steps that 1, a foundation model of a sheet metal bracket is built, wherein the foundation model structurally comprises turnups, axle holes and fixing holes of the sheet metal bracket; 2, parameters of the foundation model are programmed; 3, a program automatically adjusts the foundation model according to the input sheet metal bracket model parameters, and a sheet metal bracket model is obtained; 4, the sheet metal bracket model is automatically labeled according to the input parameters; 5, a three-dimensional drawing of the sheet metal bracket model is output. The parametric modeling and labeling method has the advantages that through the parametric design, on the basis of the foundation model, modeling and intelligent labeling can be finished rapidly, a new model is generated rapidly to help a designer rapidly finish high-quality design work, repeated labor is avoided, the design and drawing difficulty is lowered, the requirements for product serialization and rapid amendment are met, the design speed of products is increased comprehensively, and the design quality of products is improved greatly.

The invention discloses a laryngeal bolt type variable thrust solid engine thrust matching design method which comprises the following steps: step 1, acquiring a thrust time curve to be matched and designed, and uniformly dispersing the thrust time curve according to a time step length to obtain required thrust at each time point; step 2, judging whether the size design of the current throat diameter of the spray pipe and the diameter of the laryngeal plug meets the thrust requirement or not, if yes, directly entering the step 3, and otherwise, updating the size design of the throat diameter of the spray pipe and/or the diameter of the laryngeal plug until the thrust requirement is met and entering the step 3; and step 3, based on the minimum adjustable thrust and the maximum adjustable thrust, adopting a bisection method to obtain the laryngeal plug position at each time point, and achieving laryngeal plug movement scheme matching design. The integrated design of the thrust adjustingcapacity and the laryngeal plug movement scheme is achieved, the laryngeal plug movement scheme under the thrust requirement is given, the throat diameter and the laryngeal plug diameter are adjustedaccording to the thrust requirement, the thrust adjusting capacity is improved, and the laryngeal plug type variable thrust solid engine thrust matching design is achieved.

The invention relates to a design reusable device in CAD (computer aided design) and a method thereof, which are used for realizing quick establishment and associated modification by using the duplicate content among standard floors and monomers in an architectural drawing. The technology leads the duplicate content to be componentized, and automatically completes assembly of a final drawing from a component to a standard floor part and the like. The device comprises the component, the standard floor part, a graphic element distribution module, a component assembly module and a standard floor part assembly module. The method comprises the following steps: a duplication graphic element is placed into componentization for a user by using an interactive interface provided by the graphic element distribution module; a component is assembled to the standard floor part according to the attribute of the component by using the component assembly module; the component assembled to the standard floor part is subject to reusable adjustment according to the reusable attribute of the component by using a component adjusting module; the standard floor part is assembled to a corresponding host theme standard floor part according to the attribute of a pre-saved standard floor part by using the standard floor part assembly module; and the host theme comprises other themes.

This invention relates to a method for computing ship painting and the computer application program, the computing ship painting method includes moving relevant three-dimensional module out from TRIBON environment, and from which finding the plane board surrounded the cabin room to define the computing range, and computing the plane board area and inside structure part area of cabin room. The computer application program for computing painting area is tapped from VBA program in Excel, open Excel file' painting area computing program', and run macro, dialog box bombs, then put these boards' name into import box of this program, finally the program get the requested area through all kinds of judgment and computing. Comparing to the conventional handwork method, the merit of this invention is that it realize the autoimmunization of ship painting area computing

The invention provides a rapid design method of a tyre mould, which comprises the following steps of: 1) simplifying the expressed mould design pattern, classifying the shape related characteristics of the tyre mould, and drawing and establishing a CAD (computer-aided design) pattern library of the typical structure of various types of tyres; 2) compiling a special tyre designing and manufacturing specification, attaching tyre typical structure legends corresponding to the tyre typical structure pattern library and the pattern of the simplified drawing work order, and classifying and numbering the typical structure legends; and 3) correspondingly selecting a legend number from the typical structure specification according to the product shape, calling the CAD pattern from the typical structure pattern library and filling the CAD pattern into the simplified drawing work order according to the number, and finally filling an order number, a fixture pattern number and other simple information into the work order to finish the design. As the tyre typical structures in the invention are strictly classified, the classes nearly include all tyre structure types and the compiling idea is novel, the tyre mould is convenient and quick to use by designers, the design speed is increased by 6-10 times than that before, and the manual labor and material resources are saved. The invention can greatly shorten the production preparation period, and provides solid technical storage for the development of new products.

The invention provides a digital picture contour extraction method and relates to a digital image processing technique. The method includes the first step of observing a divided image and initiating a curve, the second step of initiating a speed evolvement function and obtaining a speed evolvement image V, the third step of carrying out expansive working on the initiated binary image A obtained from the first step to obtain an image E through expansion, and taking B as a value of a 3*3 structural element, the fourth step of updating a level set function, namely updating the binary image A, and the fifth step of returning to the third step and continuing operation. According to the characteristics of field programmable gate array (FPGA), the contour extraction method based on a form level set is put forward, and floating point arithmetic and parallel calculation for each pixel are needless; the Handel-C language which is quicker and more efficient than a traditional hardware description language is adopted; and circuits with modified structures are adopted in Dilation and Erosion submodules in an image processing submodule, the image is scanned once and image effects of the whole template operation can be obtained.

The invention belongs to the field of cable laying, and particularly relates to an automatic cable laying method and a storage medium. The method comprises the steps: preparing an original cable list;drawing an electrical plane arrangement diagram; forming a cable bridge arrangement diagram; generating a cable bridge network adjacency list according to the cable bridge arrangement diagram; calculating the shortest path between vertexes; reading the next cable of the original cable list in sequence; solving a laying path of the cable; and judging whether the laying paths of all cables are solved or not. According to the technical scheme of the invention, the bridge information can be automatically extracted through the cable bridge arrangement diagram, so as to complete the automatic laying of the cable.

The invention provides a kinematic and dynamic mixed dimensionality reduction solving method for a 10 bar underactuated mechanism. The method comprises the following steps: step 1, a 10 bar mechanism mathematical model is established according to a Radarsat 2 battery panel deployment mechanism, wherein Radarsat 2 is a high resolution commercial radar satellite carrying a C band sensor; step 2, corresponding geometric equation is created according to the 10 bar mechanism mathematical model; step 3, the geometric equation is solved, and a dynamic model is established through combination with the Euler Lagrange equation; step 4, dynamic parameters of a 10 bar mechanism are solved according to the dynamic model. With adoption of the method, the dynamic parameters of the 10 bar mechanism can be solved, sizes of rod members of the Radarsat 2 battery panel deployment mechanism are optimized, and the battery panel deployment process stability and reliability in actual application satellite deployment process are improved.

The invention discloses a method for preparing the 3D ornament based on the poor-chaos graph, including the steps: (1) generating the poor-chaos graph; (2) treating poor-chaos graph; (3) generating 3D point cloud; (4) performing the grid reconstruction for the 3D point cloud to form the grid curved surface; (5) closing the grid curved surface to form the 3D closed curved surface; (6) converting the 3D closed curved surface into a file capable of be identified by a rapid moulding device, inputting the file to the rapid moulding device for forming and completing the preparation of the3D ornament. The invention has outstanding characteristics: the 2D poor-chaos graph adopts the curved surface forming way to perform the 3D closed curved surface, the data is transmitted to the rapid moulding device for forming, the designed speed is rapid, the ornament has high precision and changeful graph, thus effectively expanding the design visual field and forming rich and novel ornament.

The invention discloses a method for implementing an inter-frame predictor for a video encoder. The method comprises the following steps of: mapping each functional block of the inter-frame predictor of the video encoder which is described by a high-level program language algorithm into hardware logic description consisting of arithmetic operator units; and generating a hardware integrated circuit of the inter-frame predictor by the hardware logic description consisting of the arithmetic operator units. By the method, the speed for implementing the integrated circuit of the inter-frame predictor can be increased. The invention also discloses the inter-frame predictor acquired by the method.

An antenna hub for a reflector dish has a frame with a feed aperture. A plurality of feet are coupled to the frame; each of the feet provided with a dish fastener coupling axis normal to a dish surface contacting each of the feet when the reflector dish is seated upon the feet, the feed bore of the reflector dish aligned coaxial with the feed aperture. The frame and feet may be formed via extrusion.