35 results about "Property modeling" patented technology

A multipoint geostatistics computer-implemented method for modeling of discrete properties, comprising acquiring by a computer software program a training image made from at least one dimensional array of discrete property values, the values depicting the spatial relationship and variability considered to be typical of a n-dimensional surface to be modeled; constructing a search tree, the tree representing the probability of occurrence of combinations of values of a discrete property value, the construction being performed by counting these occurrences in the training image. The non-branching sequences of the search tree are compressed to what essentially amounts to a single node, by keeping only the relevant information the sequences contain.

Techniques are described for providing information about a current state that is modeled with multiple state attributes. In some situations, the providing includes receiving from first and second sources indications of an ability to supply values for, respectively, an indicated one of the state attributes and another of the state attributes. In such situations, the providing also includes, in response to receiving a request from a first client for a value of the indicated one attribute, determining that the first source is available to supply the value, obtaining the value from the first source, and supplying a value obtained from the first source to the first client.

The invention relates to the field of BIM automatic modeling, and especially relates to a BIM-based three-dimensional geological automatic modeling method. The method is characterized in that the method at least comprises the following steps: acquiring prospecting data, i.e., introducing a prospecting geological or boring data source file into a geological database; and scheduling the geological database and performing modeling, i.e., a Revit platform obtaining the prospecting geological or boring data source file I from the geological database and performing modeling according to the source file. The method provided by the invention has the following advantages: a three-dimensional geological model is constructed and generated automatically and rapidly out of the prospecting data, the process includes entity construction, material rendering, attribute modeling and the like, users are enabled to browse from a three-dimensional angle and manage prospecting accomplishments, and the effect of BIM demonstrated in the field of engineering prospecting is further tapped.

The invention belongs to the field of trusted computing, and relates to an embedded software trusted attribute modeling and verification method. The method comprises the following steps that (1) a semi-formal model is built; (2) the semi-formal model is converted to a trusted embedded software model ZAM on a finite field, wherein the trusted embedded software model ZAM comprises a time model, a static model and a dynamic model; (3) a ZMTL timing sequence logic formula describing embedded software trusted attributes is given, and trusted attributes of the ZAM model are verified through an FZMCA algorithm. A trusted embedded software modeling and verification frame is divided into a UML/MARTE graphical layer, a model converting layer, a ZAM model layer and a model verification layer. Modeling and verifications can be conducted on the embedded software trusted attributes according to the method to reduce trusted attribute defects of embedded software in the developing process and reduce software failure probability.

The invention discloses a quick detection method for airspace conflicts. The method comprises the first step of performing conversion from a WGS-84 coordinate system (B, L, H) to a rectangular plane coordinate system (X, Y, Z) on airspace planning boundary points to lower the complexity of airspace modeling, the second step of setting airspace attribute tags and planning airspace shapes comprising polygons, circles and sectors, the third step of performing border template modeling on planar projections of terrain and airspace, wherein the border template modeling comprises structural modeling on the terrain and property modeling on the airspace, and the fourth step of performing detection for airspace conflicts in twos by traversing the airspace to be detected. According to the detection method, the conflicts are gradually excluded in a coarse-to-fine mode. The conflict conditions between the airspace and the terrain and between the airspace and other airspace can be quickly determined. Besides, the quick detection method has the advantages of being good in model adaptability, small in calculation amount, high in operability and the like.

A method, system, and computer program product for generating a model for predicting loan behavior, including receiving loan data for a plurality of loans; preparing the loan data for analysis; grouping the loans into a plurality of hierarchical segments based on shared characteristics; generating a logistic regression model for each segment; and generating an overall prediction model for at least one of prepayment, delinquency, and default across the plurality of segments. Grouping the loans into a plurality of segments based on shared characteristics may include grouping the loans based on loan type, change in Housing Price Index (HPI) since origination, and loan age. Generating a logistic regression model for each segment may include generating a regression model for the probabilities of each of prepayment, default, and delinquency for each of the segments.

The invention discloses a method and a device for determining parameters of a feed forward controller of a coordination system. The method comprises the following steps: carrying out machine set property modeling according to a machine set thermodynamic property disturbance test; designing the feed forward controller according to a modeling result and parameters under various working conditions of a machine set in a power plant DCS historical database; determining the parameters of the feed forward controller according to steady-state parameters, constant load variable pressure tests and constant pressure variable load tests under the various working conditions of the machine set in the power plant DCS historical database; after performing DCS logic constitution on the feed forward controller and the parameters of the feed forward controller, and assembling the feed forward controller on a power plant DCS system, carrying out variable load tests at different rates, and adjusting the parameters of the feed forward controller according to the test results to enable the machine set to meet the operation demands in a variable load process. The frequency modulation and peak regulation performance, the safety and the stability of the machine set are solved fundamentally, and the economical efficiency of the machine set is improved greatly.

A method, apparatus, and article of manufacture provide the ability to integrate multiple engineering design systems in a computer aided design (CAD) system. A design generator is displayed and used to create an engineering design that has different worksheets. Each worksheet represents a different aspect of the design, has local design objects that represent functional aspects of a component that are independent from the component's physical representation, and relation objects that models constraints for properties of the design objects. The objects are organized into a functional layout document (FLD) that is stored in a data center/database that is shared by the worksheets. The FLD is then used to design an engineering design/model.

A system and method are provided to model a network path with performance characterization for individual path segments of the network path and correlate the faults and performance issues to identify the factors that are causing network path performance degradation. The system described herein provides for codebook correlation technology to identify the root cause of network path performance degradation. In an embodiment, an algorithm is provided to model the network path with performance characterization and analysis. The performance of a network path is determined by performance characteristics of individual hops along the network path. The path performance is then characterized with weighted attributes indicative of performance over individual hops along the network path. The individual hops along the network path are modeled with weighted attributes indicative of performance. The performance symptoms may be aggregated to determine path performance using codebook correlation to perform a causal analysis.

The invention discloses a modeling method for quality classification representation of multiple sandstone gas reservoir gas layers, and relates to a six-stage modeling method. A new method of two-layer construction modeling, two-level secondary-phase modeling and four-type reservoir property modeling is proposed according to multi-layer-steamed-bread-shaped multi-layer sandstone gas reservoir planar sedimentary stability and a multi-layer structure formed by a vertical sand mud interbed, a six-stage modeling method system including stratum construction modeling-sand body structure modeling-sand body microfacies modeling-storage-collection phase modeling-reservoir property modeling-gas layer quality classification modeling is built, and accurate quantitative representation of the multi-layer-steamed-bread-shaped multi-layer sandstone gas reservoir gas layer quality in three-dimensional space is achieved. Compared with a gas reservoir model built with a traditional three-stage modeling method, the multi-layer sandstone gas reservoir gas layer quality classification model obtained with the six-stage modeling method is more accurate and exquisite, and is widely applicable to meeting the urgent requirement for gas reservoir classification balance development in the middle and later periods of multi-layer sandstone gas reservoir development.

Techniques are described for providing information about a current state that is modeled with multiple state attributes. In some situations, the providing of information includes receiving from first and second sources indications of ability to supply values for, respectively, an indicated one of the state attributes and another of the state attributes. In such situations, after receiving an indication of the indicated attribute from a first client, the providing of information further includes determining that the first source is available to supply a value for the indicated attribute, obtaining from the first source an indication of the value and information describing the indicated value, determining based at least in part on the descriptive information whether the indicated value is appropriate to be supplied to the client, and supplying the indicated value to the client when it is determined that the indicated value is appropriate.

The invention provides a modeling system of a desktop type three-dimensional virtual maintenance model. The system includes a geometric attribute modeling unit, a process attribute modeling unit, a behavior attribute modeling unit and an interaction attribute modeling unit; the geometric attribute modeling unit is used for drawing an appearance structure of a virtual maintenance object, a constrained relationship is built, the process attribute modeling unit is used for serialization and standardization of the maintenance process of a maintained object, the behavior attribute modeling unit isused for setting a virtual tool and achieving real-time following of the virtual tool, and the interaction attribute modeling unit is used for building an interaction mode with a user in the virtual maintenance process. The interaction mode includes a virtual maintenance demonstration mode and a virtual maintenance training mode. According to the provided modeling system of the desktop type three-dimensional virtual maintenance model, a computer can be used for combining related equipment hardware with virtual software, the three-dimensional virtual maintenance model is built for the maintained object, and the analogue simulation of the maintained object is achieved in the virtual environment.

The invention discloses a knowledge base modeling method for association relation analysis, which includes an attribute modeling stage, an object modeling phase and a relation modeling stage, wherein the attribute modeling stage uniformly configures and manages different types of information; object modeling stage defines the basic information of the object and the attribute information contained in the object; relation modeling stage carries out the business data relation modeling and management. An associated knowledge base of analysis service can be quickly constructed by using the method provided, which enables quick associated information expression of data, easy viewing and understanding, filtration of invalid data, timely response to changes in business needs, timely response to business needs, and rapid data association analysis.

Systems and methods for updating a property map during conditional simulation or unconditional simulation using interactive azimuth guidelines, well data and/or variogram parameters.

The invention provides a user type division and conversion method based on a data graph, an information graph and a knowledge graph. The method is characterized in that attribute modeling is performedon a user based on a data graph, an information graph and a knowledge graph. Based on a self-construction theory and a self-decision theory, user types in a virtual brand community are roughly divided, potential users are converted into active teaching material contributors, and the method aims to solve various problems, including autism, network addiction and the like, influenced by the user types.

The invention relates to an embedded software credible property modeling and verification method. The method comprises the six steps of software subprogram construction, credibility calculation function establishment, credibility preliminary association, access credibility evaluation subprogram construction, simulated running and credibility dynamic assessment and correction. The method is simpleand easy to operate and implement, and meanwhile comprehensive detection and correction are performed on the stability and reliability of program running from multiple aspects such as data operation,modeling, simulation, monitoring and dynamic feedback and correction. Therefore, on the one hand, the structure of a main program is effectively simplified, the running speed and data processing capability of the main program are improved, and the extension capability of the main program is effectively improved; and on the other hand, the reliability and flexibility of data interaction between themain program and each subprogram and data interaction among all the subprograms are effectively improved, so that the stability and reliability of program system overall running are effectively improved, and program overall system compatibility and extensibility are effectively improved.

An apparatus and method for optimising a communications constellation is provided in which a specification of a communications constellation is received from a user, one or more modules for modelling properties of the specified communications constellation are selected, properties of the communications constellation are formatted to a common format for integration, the viability of the communications constellation is confirmed by assessing its connectivity, modelled with the integrated formatted properties, and its utility, and the performance of the communications constellation is simulated and optimised by applying one or more test scenarios to the modelled communications constellation. The simulation results are output to the user.

An apparatus for managing content including a property-modeling unit for defining properties in a predetermined format according to the content types, a category-managing-unit for creating categories mapped to the content type, a UI-providing unit for providing a screen on which property-information values are input according to the types of the generated categories, a mapping unit for mapping the property-information values to a predetermined content file. The property-information value includes one or more sets of information regarding the authority information and/or the price model of the content where each set is capable of including both the authority information and the price model.