216 results about "Multi disciplinary" patented technology

An integrated product data environment for system design and optimization, e.g., a Collaborative Engineering Environment (CEE). The CEE provides a multi-disciplinary engineering team with immediate access to all relevant product information. It is an enterprise system at the program as well as the company levels, managing product information as a program and corporate asset. Product-centric collaborative capabilities for the CEE are provided by extending the functionality of a commercial Product Data Management (PDM) System. Emerging web-centric commercial-off-tho-shelf (COTS) PDM capabilities, object-oriented technologies, associated rapid application development environments, sophisticated engineering toolsets, and COTS computing and communications technologies have been leveraged to establish the CEE for the complex electronic systems integration domain. The CEE offers substantial improvements in productivity, cost savings, cycle time reductions, product integrity and lifetime support of a system.

A lightweight forward design method and system of automobile structure based on multi-performance constraints is disclosed. The finite element analysis model of automobile body structure is established by using finite element modeling technology. The typical force transfer path of automobile structure is identified by using topology optimization technology and the bending/torsional rigidity performance of automobile body is taken as constrained working condition, and lightweight design in conceptual stage is carried out. Then the strain energy analysis and the material thickness sensitivity analysis are carried out by using the sensitivity analysis technology, and the weak links and the critical design area of the vehicle body are found. Topography optimization is used to improve vehicle performance; Finally, based on business integration optimization software, The multi-performance target of automobile body is analyzed by integrated simulation, and the correlation between design parameters and performance, performance and performance is studied by using DOE sampling and data mining technology, and then the lightweight design of automobile body structure considering multi-disciplinary performance is carried out, which reduces the quality of automobile body structure, improves product performance, shortens R D and manufacturing cycle, and saves cost.

Autonomous remaining useful life estimation equipment interacts with the operator through natural speech, voice and sound and provides active failure prevention through automatic and/or continuous remaining useful life estimation of a material under evaluation. The equipment comprises at least one computer and a material features acquisition system operable to detect a plurality of material features. The features are then evaluated according to rules that capture the multidiscipline knowledge of experts and are already inputted into the computer. The computer iterations are processed until an acceptable conclusion is made regarding the condition of the material under evaluation, thus alleviating the need for multidiscipline experts to examine and analyze all the material data manually, a very slow and expensive process. Further, the natural speech and voice interaction preferably allows the operator to operate the equipment while wearing gloves or with dirty hands as he/she will not need to constantly physically manipulate the equipment. The remaining useful life estimation capability may also be retrofitted into conventional inspection systems by extracting pertinent features through spectral frequency analysis and sensor normalization and utilizing those features in the autonomous remaining useful life estimation system.

The invention discloses a digital museum grid and the construction method thereof; the digital museum grid includes a grid portal device, a job dispatching and an execution management device, an information center, a resource retrieval service device, an ontology service device, a heterogeneous database accessing and integration device, a grid monitoring device and other devices. The method includes: establishing an ontology device to establish the instantiation relation between digital museum resource and the global ontology by semantic labeling, establishing the heterogeneous database accessing and integration device to provide a global uniform view and a uniform access interface of heterogeneous database resource for the users of grid system recourse, establishing the grid resource monitoring device to collect original state data of monitoring nodes and classify the data into uniform standard information format for visualization, establishing the grid portal device to provide grid resource accessing and service, application of execution and monitoring grid, and a service environment supporting the cooperative work of users. In the process of application, the invention utilizes grid middleware and receives job request through a grid job dispatch device to fulfill job dispatching and execution information management and to generate and manage the resource retrieval service device so as to index a grid service device through an information service device. The invention can realize the mutual communication and organic sharing of the massive digital museum resources in multidisciplinary field and eliminate the isolated island phenomena of sample information.

A process for assisting in the reduction in the craving of an addictive substance, particularly nicotine is described that includes the following steps: placing at least one pressure pad on a target pressure point on the ear of a patient for a first time period; during a second time period, the patient periodically ingests a craving reduction composition orally; during a third time period overlapping with the first time period, the patient periodically ingests a stress reduction formula in oral form, removing the at least one pressure pad at a time after the first time period and replacing the pressure pad with a replacement pressure pad; lastly, the patient continues with the pressure pad replacement, composition ingestion and oral ingestion of the stress reduction formula until a treatment end time.

A method and associated system for multi-disciplinary optimization of various parameters associated with a space vehicle that experiences aerocapture and atmospheric entry in a specified atmosphere. In one embodiment, simultaneous maximization of a ratio of landed payload to vehicle atmospheric entry mass, maximization of fluid flow distance before flow separation from vehicle, and minimization of heat transfer to the vehicle are performed with respect to vehicle surface geometric parameters, and aerostructure and aerothermal vehicle response for the vehicle moving along a specified trajectory. A Pareto Optimal set of superior performance parameters is identified.

The invention discloses a multi-disciplinary optimization design method for the airfoil profile of a wind turbine. According to performance requirements for blade enlargement and operating environment diversification of the wind turbine, aerodynamic performance, structure attributes and acoustic characteristics of the airfoil profile are optimized at the same time, various performance requirements of the airfoil profile are parameterized, a multi-disciplinary optimal objection function of the airfoil profile is established in combination with a weight coefficient method, and an optimization design system of the airfoil profile of the wind turbine is established in combination with an optimization algorithm. Numerical prediction indicates that multiple aspects of aerodynamic efficiency, off-design point performance, variable working condition stability and the structure of the novel airfoil profile designed according to the multi-disciplinary optimization design method for the airfoil profile of the wind turbine are promoted under the condition that the aerodynamic sound pressure level is not increased obviously, meanwhile, the working range of the airfoil profile is optimized, and the airfoil profile has low stalling characteristic parameters and performance stability parameters.

A method for retrieving medical images from various sources and in different formats, to enable the creation of teaching files and research datasets, for the building of a personal medical image library, the method comprising: retrieving a plurality of medical images from various sources; storing the plurality of medical images in a database; generating a database record for the teaching files and research datasets; generating the teaching files and research datasets file; saving the teaching files and research datasets into the database; and generating at least one index of the teaching files and research datasets.

The invention provides a dynamics performance parameter optimizing method of a high-speed train, relates to the field of parameter design optimizing based on the dynamics simulation analysis of the high-speed train, and aims at effectively replacing a dynamics simulation model of the high-speed train by a comprehensive target neural network agent model and combining the design analysis and the multi-target optimization algorithm of the high-speed train in the multi-disciplinary field to analyze and optimize the dynamics simulation approximation model of the high-speed train. The method specifically comprises the steps of building a multi-rigidity dynamics simulation model for the high-speed train; determining related important input/ output design spaces; selecting sampling strategy to obtain a design space sample set suitable for the dynamics performance analysis of the high-speed train; improving the generalization accuracy of the comprehensive target neural network by the bayesian regularization method; adjusting the number of nodes in a hidden layer to build the comprehensive target neural network agent network model of which the error is controlled to be within a certain of range; performing multi-target optimization through the intelligent differential evolution algorithm by using the improved comprehensive target neural network agent network model to obtain the optimized high-speed train design parameters. The method is mainly applied to the dynamics analysis and design optimization of the high-speed train.

The invention relates to a computer analogue simulation analysis system and method. The method includes the steps: extracting predetermined parameterization information of an uploaded geometric model;updating the size of the geometric model according to the extracted parameterization information; selecting a portion needing grid division in the geometric model or the whole geometric model, dividing the grids and displaying a grid dividing result; performing simulation solution calculation, and outputting a simulation solution calculation result into a visible result. According to the method,the steps in CAE (computer aided engineering) analysis such as rapid modeling of CAD (computer aided design), automatic grid generation in pre-processing of CAE and setting of boundary conditions arefixed, multidisciplinary tools are integrated into the same environment, so that system designers can independently, rapidly and conveniently analyze structural modes, strength and the like, a plurality of schemes are compared, and an optimal scheme is selected, so that overall design efficiency and design level are improved.

The invention relates to an integration method of collaborating the assembly design, the process planning and the simulation verification of a complicated product, belonging to the research contents of a modern manufacture integration technology in the technical field of advanced manufacture. The invention provides technical methods and decision supports for remotely collaborating the assembly design, the analysis estimation, the planning optimization and the assembly process simulation of the complicated product, stimulates the organic integration of the assembly design and the assembly process, comprehensively utilizes a digital design and manufacture technology, a network technology and an artificial intelligence technology and provides the method for collaborating a human-computer collaboration working mode and a human-human collaboration working mode and collaborating the assembly design, the analysis estimation, the planning optimization the assembly simulation of the complicated product and finally realizes the multi-subject collaborative optimization design of the product-developing process. To a certain degree, the invention solves the problem of difficulty for collaborating and integrating the assembly design, the process planning and the simulation verification of the complicated product and provides an effective path for closely integrating the assembly design and the assembly process.

Exemplary illustrative embodiments provide for a computer implemented method, apparatus, and computer usable program code for mapping data. The mapping is defined by a user and maps a source datum to a target datum having a target attribute. The mapping is defined using metadata. Source specific information is omitted from the mapping and stored in a target data repository.

The invention relates to a multidisciplinary integrated design method utilizing reliability as an independent discipline, comprising the followings steps: firstly, establishing a reliability simulation model by adopting a reliability model automatic generating method, and carrying out simulation for multiple times by adopting a Monte-Carlo method so as to calculate the reliability; secondly, constructing a reliability pseudo model by adopting a pseudo modelling method on the basis of the reliability simulation model; thirdly, constructing a reliability discipline model by utilizing the multi-complexity technology on the basis of the reliability simulation model and the pseudo model; fourthly, establishing pseudo models of other disciplines to serve as other discipline models; fifthly, establishing a whole optimization model containing the reliability discipline model; sixthly, decomposing the model to obtain a hierarchical multidisciplinary design optimization model; and seventhly, optimizing by adopting an improved collaborative optimization algorithm until an optimal design scheme is obtained. According to the invention, autonomy of the reliability discipline is maintained while integrated optimization is carried out on the reliability and performances, thus being beneficial to multianalysis and quantitative control on the reliability.

The invention discloses a multidisciplinary collaborative optimization flow modeling and scheduling method and a system based on a business process execution language (BPEL). The method includes the steps of creating multidisciplinary optimization flows based on the BPEL, analyzing flow modeling files, creating multidisciplinary optimization design flow instances, executing the multidisciplinary optimization design flow instances, recording journal files of the multidisciplinary optimization flows in an iterative process, and providing checking service for the journal files. The system comprises a flow creating module, a flow analyzing module, a flow operation instance creation module, a flow instance execution module and a flow execution journal recording module. The method and the system are service-orientated in operation scheduling, support service call among networks, combine with current cloud computing well, can shield modeling principles, modeling forms and input-output inconsistency of different disciplines in modeling, and construct the single-stage and multi-stage multidisciplinary optimization flows rapidly.

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.

The invention discloses a regional resource environmental data sharing and comprehensive service platform. A data resource layer, a business logic layer, a Web service layer and a Web layer are arranged. The problems that applicability conditions cannot meet requirements of modern social resource environment administrative decisions to resource environmental mathematic models and structures are complex gradually are solved; the sharing and comprehensive service platform has compatibility of isomerous integration, realizes deployment and operation of a trans-department and cross-operating system, and ensures sharing and application of a plurality of metadata standards under a platform, so as to meet requirements of intersection of multidisciplinary data resources; besides, the sharing and comprehensive service platform is simple in structure, and convenient to operate, and injects novel vitality into development of resource environmental system modeling.

The invention relates to DAS observation has been proven to be useful for monitoring hydraulic fracturing operations. While published literature has shown focus on the high-frequency components (>1 Hz) of the data, this invention discloses that much of the usable information may reside in the very low frequency band (0-50 milliHz). Due to the large volume of a DAS dataset, an efficient workflow has been developed to process the data by utilizing the parallel computing and the data storage. The processing approach enhances the signal while decreases the data size by 10000 times, thereby enabling easier consumption by other multi-disciplinary groups for further analysis and interpretation. The polarity changes as seen from the high signal to noise ratio (SNR) low frequency DAS images are currently being utilized for interpretation of completions efficiency monitoring in hydraulically stimulated wells.

The invention discloses an oilfield exploitation and development working platform system. The oilfield exploitation and development working platform system comprises an exploitation and development part, wherein the exploitation and development part comprises a data layer, an application service layer and a service research layer; and the data layer is quoted from external data, and is used for establishing various databases and providing support for the outputs of the application service layer and the service research layer. Deep fusion of surface and underground information systems is realized. Characterized by a multi-disciplinary data integration technology taking dynamic and static models as centers, a multi-dimensional visualization technology taking multi-disciplinary information fusing as a target, a geological research technology described with a fine reservoir and a reservoir dynamic analysis technology taking blocks, well groups and single wells as units, dynamic unification of reservoir geology and a reservoir and unification of exploitation and development information are realized. Oilfield digital construction is prompted, and the productivity construction and potential tapping of oilfields are greatly ensured.

The invention relates to a method for building a virtual experiment information representation model, which comprises the following steps of: (1) building a virtual device list and a virtual experiment operating platform on a client side; (2) building a device object model corresponding to an actual physical device, and adding a virtual device on an interface of the virtual experiment operating platform graphically; (3) setting a physical attribute and a display attribute of the built device object model, connecting pins of the device object model, generating a connection model corresponding to a connecting line, and constructing the device object model and the corresponding connection model to form an experiment scene; (4) initiating simulation, and sending the experiment scene to a server side; (5) mapping the device object model in the experiment scene into a corresponding simulation device object model by the server side, and generating a simulation scene; (6) calling a simulation module by the server side, analyzing and operating the simulation scene, and transmitting a simulation result model back to the client side; and (7) analyzing the received simulation result model by the client side, and carrying out graphic display on data. The method provided by the invention can be widely applied to multi-disciplinary virtual experiments.

The invention relates to an optimum design method for an aircraft system based on a sequence radial basis function surrogate model and belongs to the technical field of optimum design of the aircraft system. According to the optimum design method, the thought of searching step range of trust domain solving high-dimensional optimization problem is applied to a supervisory sequence surrogate model, the sample space is gradually updated and the approximate precision of the surrogate model is promoted, so that the optimizing strategy convergence is guided to the globally optimal solution and the optimum design method provided by the invention has better global optimization capacity and optimization efficiency. The method is strong in universality. According to the method, the program development is conveniently realized, the optimum design means for the aircraft system is improved, the design cost is lowered and the requirement for multidisciplinary optimum design of the present aircraft system is met.

The invention discloses an intelligent surveying and mapping platform and a realizing method thereof. Synchronous acquisition and transmission storage of multi-source data can be performed in real time by non contact of a to-be-measured surface and a to-be-measured object in an archaeological surveying and mapping process. Longitudinal and transverse free movement is realized by means of a moving track distributed above the to-be-measured surface; meanwhile, hardware equipment inverted on a platform realizes a multi-view and dead corner-free data acquisition mode by means of flexible rotation of a cloud deck; an automatic and wireless working mode in a data acquisition process is realized; a light source of a data acquiring site is replenished by an integrated LED illuminating system, and an optimal shooting environment is provided for the hardware equipment on the platform. According to the intelligent surveying and mapping platform, the comprehensive application level of multiple disciplinary technologies of archaeological surveying and mapping is improved, and the improvement of the site protection capability of unearthed cultural relics in China is facilitated.