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Intelligent data extraction and display system and method for building information model

A technology of building information model and display system, which is applied in the field of data intelligent extraction and display system of building information model, can solve the problems of long time, long learning, unfriendly general engineering personnel, etc., and achieve efficiency improvement, efficient storage and prediction The effect of processing and reducing learning costs and operational difficulties

Pending Publication Date: 2019-08-16
TSINGHUA UNIV
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AI Technical Summary

Problems solved by technology

However, the existing technical methods still have problems such as unfriendly interactive methods, low flexibility, and relying on professional knowledge to display data with general effects. The specific analysis is as follows:
[0013] (1) The method based on the existing BIM software: At present, the existing BIM software is mainly design and construction management software. Time to learn to master the specific software usage
At the same time, the relevant data display and model visualization functions are mainly based on specific businesses, and are not flexible in terms of data acquisition and display, or require a lot of secondary development to meet data acquisition needs
Therefore, for non-BIM professionals, it takes a long time to master the use of relevant software, and it cannot well meet their data acquisition and presentation needs
For example, Autodesk Revit currently involves three major majors: architecture, structure, and electromechanical. Each major has dozens or even hundreds of functions. It is difficult to learn and takes a long time. It is difficult for non-professional managers or owners. Quickly obtain relevant information from it, and the presentation of the data is also presented from the designer's point of view. It cannot show the data relationship from a visual point of view, and cannot meet the needs of owners or managers.
[0014] (2) The method based on relational database and its query language: the creation of database and the writing of query statements in this method require the relevant business personnel to have a good understanding of database design and query language, so it is very difficult to learn, and it is very difficult for ordinary engineers very unfriendly
However, it takes a certain amount of time for relevant personnel to undergo training before they can master the functions of the platform
At the same time, the platform can only acquire and display data in a pre-set method and function, and further development and expansion are required if a new data display method is required
Its data visualization effect is also limited by specific functions, and it cannot well present the interrelationships of data, models, and documents. For owners and managers, it is difficult to effectively see the full range of data.
[0016] Aiming at the above-mentioned problems in the current BIM data management, acquisition and display technology that have complex interaction methods, low flexibility, reliance on professional knowledge, general data display effect and lack of data association, this study proposes a BIM data intelligent extraction calculation based on natural language. And display system and method, so that non-professional users such as managers and owners can express data acquisition needs through natural language, manage massive BIM data by computer and automatically understand user needs, and realize intelligent extraction, calculation and dynamic visualization of required data

Method used

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  • Intelligent data extraction and display system and method for building information model

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Embodiment approach

[0055] Implementation method: According to the above method, the distributed storage of BIM data is realized based on the IFC standard 2x3 and 4.0 versions and the MongoDB cloud database. The actual test shows that the data insertion speed and data update speed of the traditional relational database related to this method are increased by 4 times. 6 times while the data query speed remains at a considerable level.

[0056] (2) Data association precomputing method based on MapReduce

[0057] As mentioned earlier, the entities in the IFC model are stored in different data tables, and the data will be distributed to each cluster. Considering that a large number of IFC entities are interrelated, complex data connection operations are required for cloud query, which is time-consuming and inefficient. Therefore, a data association pre-computing method based on MapReduce is adopted. For A-type entities and B-type entities, where A-type entities store the key value BKey of B-type en...

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Abstract

The invention discloses an intelligent data extraction and display system and method for a building information model, and belongs to the technical field of Internet. The method is provided for non-professionals to conveniently and rapidly obtain and utilize mass engineering data based on a building information model BIM. The intelligent data extraction and display system for a redesigned buildinginformation model comprises a BIM and cloud-based mass engineering data storage unit, a distributed BIM data preprocessing unit, a user natural language input understanding unit, an industry knowledge storage unit, a query statement generation unit, a query execution unit, a data post-processing unit and an adaptive data display unit. According to the method, natural language understanding is adopted, intelligent data extraction calculation and mutual linkage of a table, a data graph and a three-dimensional model are adopted to achieve visual display of data, the efficiency of extracting andunderstanding related data from massive BIM data by non-professionals is improved, and the learning cost and the operation difficulty are reduced.

Description

technical field [0001] The invention belongs to the technical field of the Internet, and in particular relates to a system and method for intelligently extracting and displaying data of a building information model. Specifically, it provides a natural language-based BIM data intelligent extraction calculation and display system and method for non-professionals to easily obtain and utilize massive engineering data based on building information model (BIM), Background technique [0002] Building information model is an engineering data model based on three-dimensional digital technology that integrates various relevant information of construction projects, and is a digital expression of the entity and functional characteristics of engineering project facilities. A complete information model can connect the data, process and engineering resources in different stages of the construction project life cycle. It is a complete description of the engineering object and can be widely ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/248G06F16/27G06F16/33G06T17/10
CPCG06F16/248G06F16/27G06F16/3344G06T17/10
Inventor 林佳瑞张建平胡振中
Owner TSINGHUA UNIV