108 results about "Product modeling" patented technology

Methods and apparatus for information modeling, such as product modeling, are described. In one specific embodiment, a system for capturing product information includes a product definition tree representing permitted elements of a generalized product structure, a plurality of template trees and a plurality of configuration trees. Each template tree represents a product design structure variant which represents a subset of said product definition tree. Each configuration tree represents a particular design configuration, which is constrained to implement the structure of its associated template tree.

The invention relates to a component technology-based product modeling method. The method comprises the following steps that: S1, hierarchically decomposing a product: decomposing the product into a hierarchical structure of components and/or parts according to a functional module; S2, abstracting attribute information of the components and/or the parts: performing attribute decomposition on the components and/or the parts in the aspect of geometry and non-geometry; S3, classifying the components and/or the parts in the product according to a similarity principle; S4, defining the components:abstracting generality information according to a classification result in the step S3, and defining the components and/or the parts respectively; S5, establishing a component database and importing the defined components into the database; and S6, calling and instantiating the components. The method has the advantages that: the similarity of the components and/or the parts in the conventional product model is computed and classified according to a similarity theory; redefinition of the components is avoided; and types and data volume of the component definition are reduced.

The invention relates to a modeling method of a casting, especially a modeling method of a conical casting. The modeling method is characterized in that the method comprises the steps of inverting a bottom half mold in a sand box, adjusting the bottom half mold, and pouring molding sand into the sand box to prepare a bottom half sand mold; overturning the bottom half sand mold and the bottom half mold after the molding sand hardening; placing a top half mold on the bottom half mold, adjusting the top half mold, and preparing a top half sand mold; lifting the top half sand mold and taking out the top half mold and the bottom half mold after the molding sand hardening; preparing a sand core; putting the prepared sand core in the bottom half sand mold, and adjusting and fixing the sand core; putting the top half sand mold on the bottom half sand mold and finishing modeling. The modeling method provided by the invention has the advantages of being unique and solving the problems that operation is difficult, working intensity is high and model size is inaccurate in conical product modeling.

The invention relates to the field of complex machinery product assembling programming and discloses a complex machinery product assembling sequence programming method based on a firework algorithm. The method comprises the steps of: carrying out product modeling based on assemblies so as to establish a basis for assembling sequence programming based on the firework algorithm; aimed at characteristics of the assembling sequence programming problem and according to basic principles of the firework algorithm, re-defining relative operation of the firework algorithm, and constructing the firework algorithm facing the assembling sequence programming; using assembling direction change times, assembling direction stability and assembling tool transformation times as three evaluation indexes, and utilizing an optimization searching mechanism of the firework algorithm to carry out optimization on an assembling sequence; and realizing the complex machinery product assembling sequence programming method based on the firework algorithm by means of MATLAB programming, and obtaining an optimized assembling sequence. According to the invention, the manufacturing cost of a complex machinery product is lowered, and the exploitation period of the product is shortened.

The invention relates to a product unified model construction system based on a semantic meta model and a construction method thereof, and belongs to the technical field of product modeling. The system comprises a human-computer interaction interface (000), a product modeling subsystem (100), a product semantic meta model definition and management subsystem (200) and a product model management subsystem (300). The human-computer interaction interface is connected with the product modeling subsystem, the product semantic meta model definition and management subsystem and the product model management subsystem. The product modeling subsystem is connected with the product semantic meta model definition and management subsystem and the product model management subsystem. Compared with the systems and the methods in the prior art, a multi-level product modeling framework is constructed through combination of the meta modeling mechanism and the ontology technology so that product geometric and non-geometric information semantic description can be realized, and product life cycle information integration, sharing and reusing can be realized; and design personnel can create normal product information models without being proficient in the ontology thought or the modeling language internal structure so that the design efficiency and quality can be enhanced.

The invention discloses a food microwave three-dimensional printing method and a printer and belongs to the technical field of foods. Microwaves are released at the front end through a microwave heating probe embedded in the inner wall of a charging barrel, the size setting of a non-wave absorbing material is combined, and the effect of instant curing of an extruded material is achieved; by adopting the design of a horn mouth and a choke groove of an anti-leakage unit and the design of a wave absorbing material of a printing platform, the heating efficiency of the product is effectively improved, and microwave leakage and diffusion are prevented; microwaves are generated by a microwave solid-state source and is conducted by a transmission line, so that microwave output is stable, power andfrequency can be adjusted according to printing requirements, and the microwave solid-state source is small in size and convenient to integrate; The printed product structure is high in mechanical strength by means of printing and heating curing, the hollow unsupported three-dimensional structure can be manufactured, and product modeling is not easy to collapse.

The invention provides a product modeling method based on a behavior flow spatial sequence coloring Petri network. The method at least comprises the following steps of: I, encoding parts related to a product and connecting relations among the parts; II, establishing a semantic network of a behavior flow spatial sequence in the product on the basis of the encoding; III, establishing a behavior flow spatial connecting relation predicate matrix on the basis of the establishment of the semantic network for expressing the connecting relations among product structural units, wherein rows and columns are structural unit codes related to the product parts, and data in the matrix are connecting relation codes; and IV, converting the behavior flow spatial connecting relation predicate matrix into a coloring Petri network model of a spatial sequence. A more intelligent behavior flow product modeling method is adopted, and display expression of flow is performed through the establishment of the semantic network of the behavior flow spatial sequence and Petri network modeling, so that a transmitting sequence of a spatial structure state in a behavior flow modeling process is obtained.

The invention discloses a product behavior flow modeling method based on a hybrid Petri network. The method is characterized by including: in the horizontal direction, mapping objective behaviors to subjective functional areas to build functional models which fit with human cognition, and converting from objective behavior models to behavior realizing-structure models to realize specific products; and in the vertical direction including at least two levels, starting from a single abstract behavior which is capable of realizing conversion from an initiate state to a target state from the top level, and finishing at that each behavior at the bottom layer directly corresponds to one simple realizing structure. Product behavior flow models are built through product behaviors, an accurate mathematic model representation is provided, a novel thought is provided for computer application of mathematical modeling, and universality and practicality of product modeling are improved.

The invention discloses a method and a system for constructing a process model on the basis of parameterization. A parameterization design process model is constructed in advance; when a specific part is designed, the parameterization design process model associated with part design is inquired; the design dimension of an appointed processing part is set; according to the design dimension and relevant process knowledge in the parameterization design process model, the process dimension of the appointed processing part and corresponding process margin are obtained; and the obtained process dimension and the obtained corresponding process margin are used for carrying out instantiation on the parameterization design process model to generate a design model and revise corresponding process parameters, label information and process procedure information so as to finish the construction of the process model. The parameterization DPM (Design Process Model) which is generated in advance is called to construct an instancing model, the quick definition of a product and the quick generation of the process are realized, and product design efficiency is improved. Meanwhile, the process knowledge is combined into a product modeling process so as to be beneficial for the precipitation and the inheritance of enterprise knowledge.

The invention discloses a product shape style-oriented user cognition and quantitative model building method. The method comprises the following steps of (1) defining feature elements: defining the feature elements based on saliency analysis of feature elements of a product shape style; (2) performing linear contouring of the feature elements: performing the linear contouring on the feature elements in the previous step, thereby performing quantitative description on the product shape style; (3) establishing a product shape style-oriented user cognition mode based on a feature integration theory; and (4) quantizing linear contours of the feature elements. According to the method, the saliency degree of the feature elements to the overall shape in product design can be quantitatively analyzed, so that similarity difference of different product shape styles is quantized and quantitative guidance is provided for highlighting of a brand style and identifiable design.

The invention relates to the field of frozen drink preparation, in particular to a stereoscopic frozen drink and a preparation method thereof. The preparation method of the frozen drink comprises the steps of mounting patterns on the surface of the frozen drink after the frozen drink is molded and rapidly freezing the patterns. Liquid used for mounting the patterns is fruit jam, ice cream puffed milk or chocolate. If the liquid is the fruit jam, the pattern mounting temperature is 0 DEG C to 10 DEG C and the content of dry matters in the jam is 45 percent to 60 percent; if the liquid is the chocolate, the pattern mounting temperature is 15 DEG C to 25 DEG C; and if the liquid is the ice cream puffed milk, the pattern mounting temperature is negative 4 to negative 6 DEG C and the puffing rate of the puffed milk is 20 percent to 40 percent. The invention has the advantages that the novel process improves the production process of a slicing line and the defects that the sliced products are simple and the shapes of the products are single are overcome. The invention provides a novel production method for stereoscopic ice cream, improves the structures of the existing products which lack of stereoscopic sensation, and develops an innovative concept for new products.

The invention discloses a production method of lead-free ceramic-simulating glass winebottles, and belongs to the field of glassmaking. The production method comprises following steps: cullet, quartz sand, sodium carbonate, albite, calcite, anhydrous sodium sulphate and sodium fluosilicate are taken as raw materials, and are subjected to mixing, fusing, moulding and annealing so as to obtain the lead-free ceramic-simulating glass winebottles. Advantages of the production method are that: recycled waste glass products are the principal raw material, quartz sand is locally produced, so that raw material cost is low; the ceramic-simulating glass winebottles are free of toxic elements such as lead, arsenic and chromium, and no harm on human bodies is caused; product modeling possesses diversity, and is as excellent as that of ceramic products; volume production can be realized, yield is high, quality is stable, the lead-free ceramic-simulating glass winebottles can be recycled after use, the production method is friendly to the environment, and no pollution is caused.

The invention provides a method for preparing translucent porcelain. The process comprises the following steps that: petuntse is prepared by the compositions according to the ratio: 65 to 75 percent of SiO2, 20 to 28 percent of Al2O3, 0.1 to 0.3 percent of Fe2O3, 0.1 to 0.5 percent of CaO, 0.3 to 0.8 percent of MgO, 1 to 4 percent of K2O and 0.5 to 1.5 percent of NaO; the raw materials are mixed with water, water glass and sodium humate, the mixture is stirred to prepare slurry; the slurry is poured on a product modeling die; the mixture is dried and demoulded to produce the proximate matter; the proximate matter is finished, sun-dried or baked; the water is poured and the matter is polished, creamy white oil is poured; the sintering process is performed at a temperature of between 1250 and 1300 DEG C for 8 to 10 hours; and stained paper is stuck on and the second sintering process is performed at a temperature of between 720 and 770 DEG C for 4 to 6 hours. The method has simple preparation technology, low cost, wide applications, and good transmission effect; therefore, the translucent porcelain can be taken as a heat-resistant instrument in household such as a lamp holder, a lampshade, a candle shield, a candle cup and an essence oil burner and as an art display, thereby being a modern article integrating illumination and art into a whole.

The invention discloses a method for head contour modeling based on a CATIA (Computer-graphics Aided Three-dimensional Interactive Application) knowledge project template. The method comprises the following steps: firstly, creating a head contour template, designing the input information of the head contour template, and determining the output information of the head contour template; secondly, setting up the invocation environment of the head contour template, and determining the input condition of the head contour template before invocation; thirdly, invocating the head contour file template, and modifying and confirming the parameter information of the head contour file; and fourthly, achieving product design check. The modeling method disclosed by the invention integrates the best head contour modeling method, so that the design process of the head contour product is free from repeated product modeling and assembly work, and the head contour template can be invocated directly; and the head contour template has much built-in head contour design knowledge, and can perform automatic knowledge check and perform self-adaption update, so that automatic prompt is sent if the knowledge content is exceeded.

The invention discloses an air-blowing device. The air-blowing device comprises an air bag, an air inlet and outlet integrated device and a vent valve device, wherein one end of the air bag is equipped with an opening; the bottom end of the air inlet and outlet integrated device is further equipped with a connecting end adaptive to the opening so as to fasten an air outlet device onto the air bag;the air inlet and outlet integrated device comprises an air inlet structure and an air outlet structure which are fixedly equipped relative to each other; a ventilating pipeline of the air inlet structure is mutually independent from that of the air outlet structure; and the ventilating pipeline of the air inlet structure and the ventilating pipeline of the air outlet structure are in ventilatingconnection with the air bag. Through the vent valve device, more space is expanded for product modeling and function, air-inlet/air-outlet one-way valve dropping risk is reduced, the product weight is reduced by integrating the structure; and area of filter paper can be increased by integrating the air inlet valve and the air outlet valve, so that air filtration is efficient.

The invention relates to a quick modeling method for a numerical control bent pipe three-dimensional model, and belongs to the field of digital aviation product modeling. According to the technical scheme, bent pipe data measurement is conducted with the help of a numerical control machine tool, data modeling is conducted according to measured data, constructed is carried out according to a spatial geometric relation, and construction of the numerical control bent pipe mathematic model is completed through a vector computing method. The quick modeling method has the advantages that quick revision modeling of the bent pipe three-dimensional model is achieved, and the revision efficiency and accuracy of an initially-designed three-dimensional model are improved.

The invention relates to a product modeling method based on an ecosystem model of a product. The concept of an ecosystem in the biology is imported in the product. The ecosystem model of the product comprises an environment, product individuals, product population and product community. The environment changes along with time and comprises factors directly or indirectly influencing the components of the product. The product individuals are single parts forming the product. The product population comprises parts with same structures and functions in the product. The product community comprises combination of population in the product for realizing a certain function. The method comprises following steps of (1), modeling the environment, the product individuals, the product population and the product community; (2), establishing the relationship network of the ecosystem model of the product, wherein the models in the step (1) and the relationship network form the ecosystem model of the product together. Compared with the prior art, the method has the advantage of intelligence.

Provided is a simulation method for paper digitized information embedding, used to solve a virtual modeling problem of existing fiber finished paper encryption paper. Unigraphics NX is used in the simulation method for virtual product modeling of digitized paper, to satisfy design concept of the digitized paper to the largest extent. The method is mainly aimed at simulation for fiber finished paper encryption paper based on bit-mapped images. Through Unigraphics NX, a 3D paper model is firstly formed. Since the bit-mapped image is regular fiber interlacing formed by spiral air flow, or is formed by a magnetic dot-matrix encoding controller acting on magnetic fibers, so encrypted images and characters need to be loaded in paper by an embedding method, and then realization rendering is performed. Encrypted paper would be displayed as a simulation crack image through fiber scanning or magnetic powder covering. In an early stage of information embedding, the method improves paper quality by using simulation performance of software, and time-consuming and effort-consuming construction on a papermaking device and an encryption device model machine in practice is reduced.

The invention involves a furniture decorative flower production method; its characteristics are its production steps as followings: (1) preparing die which is matched and folds up and down through using vertical hydraulic machine; (2) selecting sawdust which particle is uniform, and controlling the moisture rate of sawdust in 9%-13%; (3) mixing the sawdust and glue and stirring uniformly according certain ratio, the glue is urea glue or trimer hydrogen amine; (4) heating the upper and lower die of installation die until 160 DEG C, puting the sawdust and glue mixture into die cavity uniformly, high pressure and high temperature shaping, controlling the shaping time is 370-410 seconds; (5) after shaping, edge trimming, sanding and polishing; (6) assembling, lacquering and preparing finished products. The invention effectively reduces production costs, the excess and waste stock both can be reused, and the product shape is random and beautiful, the assembly and use are very convenient. It increases the beautiful and practical performance of furniture and domestic decorative products, can reach the simulation results of solid wood carving. The invention has simple structure, ingenious shape, economic material selection, simple production and wide application.

The invention provides a complex network modeling method for models of hollowed-out structure products. The method comprises the following steps of adopting a Voronoi diagram to establish a Voronoi element structure of a hollowed-out structure; constructing a BA network model diagram; mapping nodes in a BA network model to the Voronoi element structure of the hollowed-out structure, and obtainingan entity model of the hollowed-out structure; adjusting a connection coefficient or a hole wall coefficient to obtain the entity models of the hollowed-out structure products with different internalshapes. The method has the advantages that in the product modeling process of introducing a complex network theory to the hollowed-out structure, the product design of the hollowed-out structure withthe complex internal structure is achieved, the complexity of the design of the hollowed-out structure products is reduced, and the problems are solved that the hollowed-out structure products cannotbe modeled and the experiment and preparation process of the hollowed-out structure is complex and consumes time. Meanwhile, the application range of the complex network theory is widened.

The invention relates to a method and a system for designing a ship electric ochre product. The method includes: providing a ship electric ochre product designing system; using ship electric ochre product arranging form interface units to arrange a plurality of three-dimensional electric ochre product modeling objects in a three-dimensional ship body background map; generating a two-dimensional construction map and a material table corresponding to the two-dimensional construction map according to the three-dimensional ship body background map and the arranged three-dimensional electric ochre product modeling objects; wherein the ship electric ochre product designing system comprises a set of ship electric ochre product arranging form interface units for arranging various types of three-dimensional electric ochre product modeling objects, each ship electric ochre product arranging form interface unit corresponds to a specific type of three-dimensional electric ochre product modeling object, and the three-dimensional electric ochre product modeling objects arranged by the electric ochre product arranging form interface units contain material information.

The invention provides a product modeling method based on an interactive feature pair. The method includes the steps of firstly, conducting product part modeling, and enabling the interactive feature pair to be embedded in a part model on the basis of interactive interfaces among product parts, then, achieving assembly modeling through feature elements of the fully specified interactive feature pair on the basis of the part model where the interactive feature pair is embedded. The product modeling method based on the interactive feature pair has the advantages that the interactive feature pair is divided into six types of highly abstracted basic classifications, in the assembly modeling method from top to bottom, ports are set up through the interactive feature pair so that enough abstraction and generality can be ensured, consistency of constraints analysis for designers can be ensured when the interactive feature pair is embedded in the part model in comparison with a traditional assembly modeling method from bottom to top, and the interactive feature pair can be used for geometric reasoning in a downstream technology design process. Through the product modeling method based on the interactive feature pair, the advantages of the assembly modeling technology from top to bottom and the advantages of the assembly modeling technology from bottom to top can be combined, and therefore product assembly modeling can be better conducted.