40 results about "Design activities" patented technology

For challenge of an existing value driving data, information and knowledge life cycle evaluating method, the invention provides a value driving service software development method based on data map, information map and knowledge map framework aiming at the bidirectional evaluation and control over design action efficiency between the detailed design activity and service modeling, and belongs to the technical intersecting field of distributed computation and software engineering. On the basis of data maps, data observation and collection in software development activity demand analysis are analyzed. Information maps are used for solving the problem of incorrect information flow control and information loss in design activity. In demand modeling of the detailed design activity, and advantages, including completeness of demand expression and coverage range, of knowledge maps in demand expression compared with UML are elaborated.

A computer executable tool facilitates integrated circuit design and debugging by working directly at the Register Transfer Level, where most design activities take place. The tool determines when an integrated circuit design produces incorrect output responses for a given set of input vectors. The tool accesses the expected responses and returns the signal paths in the integrated circuit that are responsible for the errors along with suggested changes for fixing the errors. The tool may operate at the RTL, which is above the gate-level abstraction which means that the design errors will be much more readily understood to the designer, and may improve scalability and efficiency.

The invention provides a product design knowledge management method and a product design knowledge management system, and relates to the field of computers. The method comprises the following steps of: collecting and organizing design cases related to each design activity according to the knowledge requirements of each design activity in a product design process, and combining the design cases into knowledge units corresponding to the design activities. Or, after the formation of the knowledge units, the method also comprises the following steps of: analyzing design steps of each design activity and a required solver, and packaging the knowledge unit, the design steps and the solver, which correspond to each design activity, into a knowledge component corresponding to the design activity. After being formed, the knowledge components also can be registered and published to form shared knowledge service. The product design knowledge management scheme has the advantages of integration, knowledgeability, parameterization, automation, configurability, navigability and the like, complexity in problem solving is lowered, and requirements for the design experiences of a designer are lowered.

The invention relates to a satellite design data transmission method based on a DSM and workflow and belongs to the field of design of spacecrafts. The method includes the first step of sorting and summarizing the general flow of designing satellites or other types of spacecrafts on the basis of a traditional process expression mode, the second step of conducting mapping to generate a DSM matrix, conducting statistics on DSM items and conducting structured quantitative analysis item by item to obtain a perfect parameter correlation list, and the third step of utilizing the spreadsheet-based middleware technology to achieve storage of a spreadsheet in a database, and conducting retrieval to generate the satellite coupling design process reflecting engineering practice, conducting dynamic display on the correlation between all satellite design activities through a friendly human-computer interface, and finally conducting automatic data flow to generate a design report. As a result, a foundation is laid for follow-up optimization.

The cricket conditions simulator is an educational development system for cricketers and coaches, with means of simulating a plurality of outdoor cricket competition conditions relative to cricket pitch scenarios during practice sessions, by utilizing specially designed building structures equipped with capabilities to simultaneously create a plurality of outdoor temperatures and relative humidity, illumination, visual and spectator cultural sounds as distractions, wind speeds, means to record cricketers' performances, cricket pitch deterioration and cricket ball aerodynamics; and a heat exchanger equipped with pressure, moisture content and thermal sensors located within the cricket pitch to modify cricket pitch conditions. Designed activities in the simulator build mental fortitude as a necessary requirement in order to bat, field and bowl under different environmental and cricket pitch conditions for extended periods; and therefore reduces the magnitude of the learning curve to understand cricket ball, pitch and bowler relationships, for the least possible cost and time.

In order to improve the economic benefit and obtain maximum values of benefit enhancement and strategic investment practice from efficiency enhancement and strategic investment practice, the invention discloses an element multi-dimensional frequency correlation calculation-based semantic modeling method for data mapping, information mapping and knowledge mapping frameworks, and belongs to the technological cross fields of distributed computation and software engineering. According to the method, data observation and collection in software development activity demand analysis are analyzed on the basis of data mappings, and structure frequencies, time frequencies and space frequencies of data are marked. According to the method, information mappings are used for recording the frequencies of interactions between entities, and the problems of incorrect information flow control and information loss in design activities are solved. In demand modeling of detailed design activities, the method disclosed by the invention states the advantage of knowledge mappings relative to UML in the aspect of demand expression, such as integrity and coverage area of semantic expressions in the demands.

The invention relates to a reliable data modeling method for complex products, which comprises the following steps of: 1, classifying and integrating the conventional data in enterprises, and establishing a multi-view hierarchical product data model of 'specialty-product family-product instance-function-life profile'; 2, analyzing reasons which influence the reliability of the products systematically to find internal and external factors which influence the reliability of the products possibly, and providing an influence factor of each factor according to specialist experience to find the keyinfluence factors and data items thereof; 3, establishing the mapping relation between the multi-view hierarchical product data model established in the step 1 and a product failure data entity and between a reliable influence factor data model established in the step 2 and the product failure data entity respectively, and establishing a semantic model of 'multi-view product-reliable influence factor-reliable design activity' simultaneously by establishing the relevant relation between a reliable design analytical method and the entity; and 4, implementing a reliable data model on a product data management (PDM) system, and providing an object model for succeeding to the PDM system so as to realize the method and steps of the reliable data model on the PDM system.

The invention discloses a recommendation system and a method of a mechanical product design document. An existing recommendation system and a method on the recommendation basis of the interest models of users can not adapt to the condition that the demands of users change rapidly. The system provided by the invention comprises a task monitoring module, an body interpretation module, a recommendation rule learning module, a recommendation module, a recommendation rule base, user activity logs, a decision table and an body base. The method provided by the invention comprises the following five steps of 1 creating an body model; 2 collecting the user activity logs; 3 generating recommendation rules; 4 capturing a newly assigned design task; and 5 recommending design documents. The system andthe method provided by the invention consider the features of a recommended object and employ the body to establish a relevant model, thereby adding semantic information for the recommended object, and improving the accuracy of the recommended rules. The system and the method provided by the invention also monitor the design activity ofthe users, thereby making document recommendation and the work flow of users combine closely, and can quickly adapt to the change of document demands of the users and ensure the quality of document recommendation.

The invention discloses a method for generating and analyzing a social network from a building information model design process. The method includes the step S1 of obtaining distributed log data froma plurality of performers in the building information model design process of a plurality of projects and obtaining information related to a design activity in a distributed log; the step S2 of identifying identity and relationship of the performers according to the information obtained in the step S1 to obtain a weighted social graph of the relationship between nodes formed by the plurality of performers and create the social network; the step S3 of analyzing the network structure configuration of the social network based on the network structure composed of the nodes and the weighted relationship connecting the nodes. According to the method, the design event log of the social network is mined based on BIM collaborative design events, and implicit inter-organizational process informationis extracted to achieve establishment and investigation of a broader and deeper collaborative network.

The invention provides a large-sized artificial nuclide plane source calibration device and an optimized calibration method for calibrating a machine-mounted/vehicle-mounted gamma ray spectrometer byusing the device. In the device, the design that eight isosceles trapezoids are combined to form a regular hexagon plane source realizes the conversion of a limited plane source into an unlimited (saturated) plane source through gapless joint; a rigid supporting plate structure ensures the planarity of the plane source; the uniform mesh distribution on filter paper and the use of quantitative liquid filler for filling raw liquid ensure the design activity of the plane source and the uniformity of activity distribution; the sealing of the plane source by adhesive resin ensures that source spotsare free from damages and the long-term stability of the activity of the plane source; and the establishment of an angle response model provides a feasible technical evidence for the reduction of detection workload in a follow-up detection process, and the calibration method can be used to calculate a calibration factor when no obvious change occurs in the angle response model.

The invention discloses a design task oriented product case knowledge pushing method. The method comprises the steps of describing design projects and generating a design project table; describing design tasks based on the design projects and generating a design task table; establishing and storing case knowledge data based on JSON; and pushing the case knowledge. According to the method, knowledge types are distinguished; the design tasks are matched with the case knowledge data based on the JSON; the design task oriented product case knowledge is pushed; the push of the case knowledge which relates to a current design activity and can provide experience support can be automatically obtained from the knowledge; the similar degree between the design tasks and the case knowledge can be taken into full consideration; and the case knowledge which really relates to the design activity and can provide effective help is pushed.

An aircraft research and development process definition model oriented to collaborative design describes the whole aircraft research and development process into a three-layer model, namely a task flow, a workflow and a tool flow. The task flow is a management layer, mainly focuses on research and development states and results, and is relatively stable, and the product type determines that the form of the process is not changed along with the change of organizations; The workflow and the tool flow jointly form a technical layer, mainly focus on the specific execution process of research and development activities, belong to flexible and innovative processes, and change along with changes of organizations, personnel and tools. Different levels of the model are associated through research and development data, research and development task refinement decomposition is carried out from top to bottom, and research and development data comprehensive feedback is carried out from bottom to top. The management process and the technical process are considered, the design process can be standardized, and the design efficiency is improved; And the execution sequence of the tasks is not forcedly controlled while the designers are guided to develop the design step by step, so that the flexibility and the innovativeness of design activities are ensured.

A cone-free neck flange intensity checking method belongs to the bearing equipment flange intensity design technical field, and comprises the following steps: 1, determining usage conditions of a cone-free neck flange member, entering step 2 and using the method in step 2 to check the intensity if no external load is applied in the usage process, and entering step 3 and using the method in step 3to check the intensity if an external load is applied in the usage process; 2, a, using a whole flange calculating method to primarily estimate the flange thickness value according to a pressure vessel design standard specification flange design method; b, checking the a-a cross sectional intensity; c, checking the b-b cross sectional intensity; 3, the intensity checking method for the cone-free neck flange with the external load: a, checking the a-a cross sectional intensity; b, checking the b-b cross sectional intensity. The method can solve the confusions of design personnel designing the parts of this type, and can be practically applied to real design activities, thus effectively solving the problems that the cone-free neck flange structure characteristic constant is in accurate in design and further causing service failure of this type of flange in equipment.

The invention provides a design capability optimization method for a complex product crowd-sourcing collaborative design process. The method comprises the following steps: constructing a complex product crowd-sourcing collaborative design process model, and describing a process organization demand, a problem solving demand and a knowledge demand of each design activity; a dynamic change model of the crowd-sourcing resources is established to calculate available crowd-sourcing resources of the community, and the process organization ability, the problem solving ability and the domain knowledge of the crowd-sourcing resources are calculated through participation behaviors such as task issuing, creativity submitting, scheme submitting and comment submitting of the crowd-sourcing resources; matching a crowd intelligence resource group for each design activity according to the design activity demand and the available crowd intelligence resource capability; calculating the interaction degree of the crowd-sourcing resource groups, and selecting N groups with the maximum interaction degree to form a selectable crowd-sourcing resource group scheme set; According to a complex product crowd-sourcing collaborative design process, deleting a scheme with crowd-sourcing resource conflicts, and realizing design capability optimization by taking the highest crowd-sourcing resource participation rate as a target.

The invention relates to a strength checking method based on a connecting structure of a nozzle and a pressure-bearing shell, belonging to the field of pressure-bearing equipment. The invention comprises a pressure-bearing shell and a pipe, wherein the pressure-bearing shell is a spherical shell, an opening is arranged on the pressure-bearing shell, the pipe is a diameter-changing pipe, the pipe is installed at the opening of the pressure-bearing shell, and the cross section of the diameter-changing part of the pipe is a-a cross section, the cross section of the connection between the nozzle and the pressure-bearing shell is b-b cross section, The cross section of the pressure-bearing shell at the joint of the pressure-bearing shell and the nozzle is c-c cross section, and that specific check method comprises the follow steps: comprising the steps of: a, checking the part a of the nozzle diameter change; b, checking the part b of the nozzle diameter change; c, checking the part b of the nozzle diameter change; A strength of section; Step b, check the cross section of the pipe at the joint of the pipe and the pressure-bearing shell to be b-b cross section; Step c, check the intensity of c-c cross section that pressure-bearing shell at the joint of the pressure-bearing shell and the nozzle. The invention solves the strength checking and design method of the nozzle with external load and the shell opening and the reinforcement thereof, and can be applied to specific design activities.

The invention belongs to the technical field of maintenance support engineering, and discloses a four-property comprehensive protection integrated design process decomposition method based on an improved quality house. Obtaining a relation matrix of part design characteristics, customer demands and engineering technical parameters and a relation matrix of the engineering technical parameters and the part design characteristics; step 2, by improving quality function expansion, mapping the part design characteristics into design activities, and obtaining a relation matrix between the part design characteristics and the design activities and a correlation matrix between the design activities; 3, solving a key design activity; 4, converting a correlation matrix between design activities into a design structure matrix; 5, coupling activity in the design structure matrix is recognized; the coupling activities are segmented and sorted; and step 6, sorting the coupling activity as a single activity and a non-coupling activity.

Systems and methods for engineering conversational conversations in a system design include a design robot configured to generate a design dashboard on a graphical user interface that presents a textual representation of system design view information by presenting a system design view component. A dialog feature of the dashboard receives a plain text string that conveys a user's request for a system design view of a system element and attributes of the system element. The design robot converts a user request in plain text to a user request in vectorized context using a context defined for a design activity target of a system design element. System design view information is retrieved from a design repository based on the vectorized user request. A plain text string response to the user request is displayed in the dialog box, the response conveying system design information related to the system design.

The invention relates to an aero-engine strength design method, which belongs to the field of aero-engine strength design. The method mainly comprises the steps of determining design input of aero-engine strength; carding professional design flows involved in strength design according to related data of aero-engine strength design; determining a design activity of typical intensity according to the carded design flow; designing a whole strength design process, matching strength design factors, judging the engineering adaptability of the strength design method, if the use requirements are met,obtaining a strength design result and process data, and if the use requirements are not met, adjusting typical design activities and iterating until the use requirements are met. According to the aero-engine design method, the strength design precision and efficiency can be improved, the required design process and design elements can be rapidly and accurately obtained, and unification of strength design standardization and flexibility is achieved.

The invention relates to a system and method for collaborative design of nuclear power equipment. The system comprises a design task module, a design flow chart module connected with the design task module, a design activity management module connected with the design task module and a design data module connected with the design task module and the design activity management module. The design task module is used for decomposing an equipment design process and generating design task data; the design flow chart module is used for obtaining design task data of the design task module and generating an equipment design flow chart according to the task data; the design activity management module is used for managing design activities so as to generate and manage input, output and other process data generated by the design activities; and the design data module is used for processing and managing the design task data and the design activity management data. According to the method, the whole design process of the nuclear power equipment can be visually displayed, the controllability of the design process, the traceability of the design result and the collaboration between design professions are realized, and the design quality is effectively improved.

The invention discloses a design flow-based satellite design knowledge ontology association method and system. The method comprises the following steps of: describing a design activity in a satellitedesign flow by adoption of a seven-element array; analyzing the seven-element array to obtain a design standard, a design specification used by the design activity, a design input and a design activity keyword; retrieving a design standard library according to the design standard and design specification of the design activity, and establishing an association relationship between a related designstandard and the design activity; determining a design file of the design activity according to the design input, and establishing an association relationship between an output design file and the design activity; and retrieving design knowledges from databases of a plurality of information systems on the basis of a domain ontology according to the design activity keyword so as to form a referenceknowledge set, and establishing an association relationship between the reference knowledge set and the design activity. Through the method and system, communication satellite development knowledgesare comprehensively controlled, and an innovative satellite development process is supported.