KR20190108937A - Verification system for typical architecture and method thereof - Google Patents

Abstract

The present invention discloses an atypical building verification system. More specifically, provided are a verification system for an atypical building having a free curved surface rather than a conventional rectangular structure, and a method thereof. According to an embodiment of the invention, immediately after the production of a construction panel member, by verifying the design accuracy in the factory in real time, a construction panel member suitable for the design can be produced and the rework rate in a field in accordance with the failure can be reduced.

Description

VERIFICATION SYSTEM FOR TYPICAL ARCHITECTURE AND METHOD THEREOF

The present invention relates to an atypical building verification system, and more particularly, to a verification system and method for an atypical building having a free curved surface instead of a conventional rectangular shaped building.

Recently, in the field of architecture, there has been a growing interest in atypical buildings in the form of free curved surfaces, such as tilted, narrowed, twisted or doubled, out of the conventional rectangular shaped buildings.

Atypical buildings are made possible by cultural and technological symbolism, development of information technology (IT), and building information modeling (BIM) technology and construction technology.

As a result of this trend, construction of atypical buildings using digital fabrication has increased, but there are virtually no verification methods for atypical buildings manufactured according to design.

In addition, the necessity of checking for interference errors and construction deviations by providing inaccurate as-built data is on the rise, and the demand for systematic information management based on 3D data through BIM technology is increasing. .

In other words, according to the development of BIM technology and the spread of digital fabrication method in the field of construction, free atypical building design becomes possible, and atypical buildings using various methods and materials are increasing, while the field of manufacturing and construction coincide. As a result of this, the process to quickly verify the design accuracy and construction process synthesis is required, and the interference error and construction deviation are calculated by using 3D scanning technology that can quickly and accurately data the completion status of the building. Based on this, there is a demand to modify and reflect the design.

Registered Patent Publication No. 10-1548630 (Notice date: 2015.08.31.)

The present invention has been made to solve the above-described problems, when manufacturing the exterior panel member manufacturing frame, it is possible to verify the design accuracy by acquiring the 3D data as it is at the factory, and processing it and comparing it with the design model. The challenge is to provide an atypical building verification system and method.

In addition, the present invention is to provide an atypical building verification system and method for acquiring the three-dimensional data before and after the construction of the atypical building to examine the construction process synthesis whether the completed building is suitable for design There is.

In order to solve the above problems, the atypical building verification system according to an embodiment of the present invention, receiving the 3D scan data for the exterior panel member of the atypical building from the 3D scanning device to generate post-processing data through a post-processing process A data acquisition unit, a processing and generation unit for generating a 3D model according to editing of the matched data, and a data analysis unit for comparing the 3D model and the design model to determine whether they match, and outputting an analysis report when they match. can do.

As a result of the comparison of the data analysis unit, when the 3D model and the design model is inconsistent, it may include a design modification unit for requesting a re-analysis by modifying the design model.

The processing and generation unit may filter noise and edges included in the post-processing data.

The post-processing data may include a point cloud having a plurality of points having X, Y, and Z coordinates, and the processing and generating unit may connect the plurality of points to each other to generate a 3D mesh model.

The data analysis unit may calculate a deviation between the 3D model and the design model, and determine that the calculated deviation is within the tolerance, and if the deviation is greater than or equal to the tolerance, it is a mismatch.

The analysis report may include a graph or a scalar field image and a list of deviation values of two corresponding points between the 3D model and the design model.

In addition, in order to solve the above problems, the verification method according to the atypical building verification system according to another embodiment of the present invention, the step of receiving 3D scan data for the exterior panel member of the atypical building from the 3D scanning device; And generating post-processing data through the post-processing process on the input 3D scan data, generating a 3D model according to editing of the matched data, comparing the 3D model with the design model, Determining may include.

After determining whether or not the match, the analysis report when the 3D model and the design model is matched, and if there is a mismatch may include the step of correcting the design model and performing a re-analysis using the modified design model.

The post-processing data includes a point cloud having a plurality of points having X, Y, and Z coordinates, and the generating of the post-processing data may include generating a 3D mesh model by connecting the plurality of points to each other. It may include the step.

According to an embodiment of the present invention, immediately after the production of the construction panel member, by verifying the design accuracy in real time in the factory, it is possible to produce a construction panel member in accordance with the design, it is possible to reduce the rate of rework in the field due to failure It has an effect. This reduction in rework rate can reduce the number of workers in the field, which leads to the effect of reducing the construction cost and construction time.

In addition, the present invention by ensuring the accuracy and high quality of the construction panel member, there is an effect that the aesthetics for the entire atypical building after construction to the maximum to meet the intention of the designer.

In addition, the present invention can be a database by securing three-dimensional data for the atypical building, there is an effect that can be systematically managed from construction to maintenance through the linkage of BIM.

1 is a view showing the overall configuration for a system for atypical building verification and a system connected thereto according to an embodiment of the present invention.
2 is a view showing the structure of the atypical building verification system according to an embodiment of the present invention.
3 is a view showing a non-standard building verification method according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating data resulting from an atypical building verification system according to an embodiment of the present invention in an image form.
5 is a diagram illustrating an analysis report according to the analysis result of the atypical building verification system according to an embodiment of the present invention.

Prior to the description, when any part of the present specification is said to "include" or "include" any component, unless otherwise stated, this will not include other components, but will further include other components. It means you can.

The term "embodiments" herein is meant to serve as illustrations, examples or illustrations, but the subject matter of the invention is not limited by such examples. And "comprising", "comprising", "having" and other similar terms are used, but as used in the claims do not exclude any additional or other components as "transition word." It is used generically in a similar manner to the term Comprising.

In addition, terms such as "unit", "... device" and "... system" described throughout this specification are intended to be operations in which one or more functions are combined. Means a unit for processing, which may be implemented in hardware, software, or a combination of hardware and software.

The various techniques described herein may be implemented with hardware or software, or where appropriate, with a combination of both. As used herein, terms such as "part", "module", "device" and "system" likewise refer to computer-related entities, such as hardware, a combination of hardware and software, software or software at run time. Can be treated equivalently. In addition, in the present invention, the application program executed in the user terminal may be configured in "units" and may be recorded in one physical memory in a form that can be read, written, and erased or distributed between two or more memories or recording media. Can be recorded.

Hereinafter, with reference to the drawings will be described atypical building verification system and method according to an embodiment of the present invention.

1 is a view showing the overall configuration for a system for atypical building verification and a system connected thereto according to an embodiment of the present invention.

Referring to FIG. 1, an atypical building verification system and a system connected thereto according to an embodiment of the present invention are provided from a scanning device 20 and a scanning device 20 for scanning a construction panel member 10 to obtain a 3D scan image. 3D modeling is performed by receiving 3D scan image and performing image processing, and compares the design model with the atypical building verification system 100 to determine the match and the design model is modified by the atypical building verification system 100. If the case may include a design system 200 to reflect this in the completed state.

The scanning device 20 is a device for acquiring 3D scan data by scanning a construction panel member 10 which is a building member of an atypical building produced at a factory, and is used by a 3D scanner or the like that scans an object according to a widely known 3D scanning technique. Can be.

The atypical building verification system 100 receives 3D scan data from the scanning device 20 and generates 3D mesh data through image processing such as post-processing and noise removal including point cloud matching. As a result, it can be compared with the design model to determine the agreement. In addition, if it is determined that the 3D model and the design model match, the atypical building verification system 100 generates and outputs an analysis report according to the analysis result. You can modify this to perform reanalysis.

The design system 200 is a system that provides design information of an atypical building to be verified. When the design model is modified by the atypical building verification system 100, the design system 200 may reflect the design model in an as-build state.

According to the embodiment of the present invention, according to the embodiment of the present invention, when manufacturing the exterior panel member of the atypical building, the factory obtains the 3D data as it is from the factory, generates a 3D mesh model, compares and analyzes it with the design data, and disagrees. By modifying the design model in the as-built state, it is possible to examine the process synthesis and design integrity.

In addition, the present invention can easily check whether the construction is in progress for the design through the 3D scan of the exterior panel member periodically during construction.

Hereinafter, with reference to the drawings will be described in detail the structure of the atypical building verification system according to an embodiment of the present invention.

2 is a view showing the structure of the atypical building verification system according to an embodiment of the present invention.

2, the atypical building verification system 100 according to an embodiment of the present invention receives 3D scan data of an exterior panel member of a atypical building from a 3D scanning device and generates post-processing data through a post-processing process. Data acquisition unit 110, the machining and generation unit 120 for generating a 3D model according to the edit of the matched data, compares the 3D model and the design model to determine the match, and analyzes the data to output an analysis report when matching When the comparison result of the unit 130 and the data analysis unit 130, the 3D model and the design model is inconsistent and includes a design correction unit 140 to modify the design model and request a re-analysis to the data analysis unit 130 Can be.

The data acquisition unit 110 may receive the 3D scan data of the construction panel member forming the atypical building to be verified, and generate post-processing data through a post-processing process.

In detail, the 3D scan data, which is the result of the scanning device, may be viewed as pieces of point cloud data gathered into numerous points, and itself may be referred to as basic data for the final result. In order to use such data in modeling work, a process of converting the data into complete three-dimensional data through post-processing using appropriate software is required.

In detail, the data acquisition unit 110 forms point cloud data (Point Clouds) having three-dimensional position values (x, y, z) by 3D scan data obtained on the surface of the three-dimensional object, and includes the data in the point group data. Point editing is performed, and the process of registering the scanned data at each position (View Point) is performed. In the above-mentioned matching process, each data is extracted from the 3D scan data through an effective section. By matching, post-processing data is generated.

The processing and generating unit 120 generates a 3D model by merging the matched data into a single object.

As the matching process is completed, the processing and generation unit 120 performs data noise and edge filtering as a process of editing the post-processed data, and each point group data of the data from which the noise is removed. A plurality of planes are generated through mathematical calculations connecting a plurality of points, and converted into polygon data, which is a connection of the plurality of planes, to perform surface (Mesh, Surface) on the point data in the matched section.

The data analyzer 130 may compare and analyze the deviation by comparing the generated 3D model with the design model for the same object.

The 3D model is modeling data acquired based on the construction panel member actually produced, and the design model is modeling data in which the design drawing of the atypical building is reflected as it is, and the data analyzing unit 130 calculates the deviation through vision analysis of the model. This allows comparative analysis.

As a result of the comparative analysis, when the deviation between the 3D model and the design model matches within the tolerance, it is determined that the 3D model is properly produced according to the design drawing, and an analysis report is generated and output.

Here, the analysis report may include a graph or a scalar field image and a list of deviation values of two points corresponding to the 3D model and the design model.

In addition, if it is determined that the deviation between the 3D model and the design model does not coincide with the deviation of the tolerance as a result of the comparison analysis, the design correction unit 140 may request the modification of the design model.

The design correction unit 140 corrects the design model by reflecting the deviation in the design model according to the data analysis result by the comparison analysis unit 130, and requests the data analysis unit 130 to reanalyze the design of the 3D model and the completed state. The accuracy of the design is judged by comparing it with the model. The modified design model is reflected in the as-built, and the design revision 140 can provide the change to the design system.

According to the above-described structure, the atypical building verification system according to the embodiment of the present invention can minimize the inconsistency in the construction site with the manufactured member, it is possible to quickly verify the construction process synthesis and design accuracy for the building.

3 is a view showing a non-standard building verification method according to an embodiment of the present invention. In the following description, the subject of execution of each step may be the above-mentioned atypical building verification system and components included therein, even if not described otherwise.

Referring to FIG. 3, according to the verification method by the atypical building verification system according to an embodiment of the present invention, as a verification method by the atypical building verification system, 3D scan data of the exterior panel member of the atypical building may be obtained from the 3D scanning device. Receiving an input step (S100), generating post-processing data through the post-processing process for the input 3D scan data (S110), generating a 3D model according to the edit of the matched data (S120), and the 3D model Comparing the design models to determine whether they match (S130), outputting an analysis report when the 3D model matches the design model (S140), and correcting the design model when there is a mismatch and re-analyzing using the modified design model It may include the step (S150) to perform.

First, the step of receiving 3D scan data of the exterior panel member of the atypical building from the 3D scanning device (S100) is obtained by 3D scanning a construction panel member produced at the factory for the atypical building to be verified through the 3D scanning device. The 3D scan data is input to the atypical building verification system.

Next, in step S120 of generating post-processing data with respect to the input 3D scan data through a post-processing process, the data acquiring unit matches each data from the 3D scan data from the 3D scan data through an effective section. Generating the processing data.

Next, the step (S130) of generating a 3D model according to editing of the matched data is filtering noise and edges from the post-processing data according to the editing process of the machining and generating unit, and connecting the point clouds to form an object (Merging). By creating a 3D model.

Next, by comparing the 3D model and the design model by the data analysis unit to determine whether the match (S130).

If the determination result of step S130 matches the 3D model and the design model, a step of generating and outputting an analysis report is performed (S140). Otherwise, the design correction unit reflects the deviation derived by the data analysis unit to the design model to design the model. The process of correcting and performing reanalysis is performed (S150).

FIG. 4 is a diagram illustrating data resulting from an atypical building verification system according to an embodiment of the present invention in an image form, and FIG. 5 is an analysis report according to an analysis result of the atypical building verification system according to an embodiment of the present invention. The illustrated figure.

4 and 5, the first image (a) is 3D scan data obtained by using a 3D scanning device for a factory manufactured panel member, the image (a) is a plurality of X, Y, Z It consists of point clouds with coordinates, and the data acquisition unit generates post-processing data through matching and optimizing the 3D scan data in the form of row data.

The second image (b) shows a 3D mesh data image obtained by removing noise and edges and merging the post-processed data including the point cloud into a single object. This second image (b) is compared with the design model by the data analysis unit as a 3D model.

The third image (c) is data according to a comparison between the 3D model and the design model, and may represent a deviation according to the comparison between the two models. In the drawing, the cloud-mesh distance (C2M distance) is histogramized and graphed, and the red indicates an area having a large deviation.

As a result of the comparison between the 3D model and the design drawing by the data analysis unit, the fourth image (d) shows data in which the design correction unit corrects the design model using the deviation value as the deviation is out of tolerance. In each area of the design model, the design model is revised to reflect the deviation value in the area where the deviation exceeds the tolerance.

The fifth image (e) shows data according to the data analysis unit reanalyzing using the modified design model, and when compared with the third image (c), the difference is significantly reduced.

5 illustrates a UI of an analysis report generated when it is determined that the 3D model and the design model coincide within a tolerance as a result of the comparative analysis by the data analysis unit.

In detail, the analysis report screen W100 includes a modeling window W110 that displays a point cloud for each area on the design model, and includes a customer name, a construction panel member name, a drawing number, a controller name, and the like of the analysis report. It may include a meta information window (W120) for displaying the meta information, and a list window (W140) for displaying data such as coordinates of each region of the design model and deviation values from the 3D model in the form of a list.

Personnel in charge can use these analysis reports to easily review and grasp the construction process synthesis and design accuracy of the currently constructed building.

Many details are set forth in the foregoing description but should be construed as illustrative of preferred embodiments rather than to limit the scope of the invention. Therefore, the invention should not be defined by the described embodiments, but should be defined by the claims and their equivalents.

10: construction panel member 20: scanning device
100: atypical building verification system 110: data acquisition unit
120: processing and generation unit 130: data analysis unit
140: design correction 200: design system

Claims (9)

A data acquisition unit which receives 3D scan data of the exterior panel member of the atypical building from the 3D scanning device and generates post-processing data through a post-processing process;
A processing and generating unit generating a 3D model according to editing of the matched data; And
Data analysis unit for comparing the 3D model and the design model to determine whether the match, and outputs an analysis report when the match
Atypical building verification system comprising a. The method of claim 1,
As a result of the comparison of the data analysis unit, if the 3D model and the design model is inconsistent, the design correction unit requesting the data analysis unit to re-analyze the design model.
Atypical building verification system comprising a. The method according to claim 1 or 2,
The processing and generation unit,
Atypical building verification system for filtering the noise and edges included in the post-processing data. The method according to claim 1 or 2,
The post-processing data includes a point cloud having a plurality of points having X, Y, Z coordinates,
The processing and generation unit,
An atypical building verification system connecting the plurality of points to each other to generate a 3D mesh model. The method according to claim 1 or 2,
The data analysis unit,
The atypical building verification system that calculates the deviation between the 3D model and the design model to determine that the calculated deviation is within tolerance, and that the deviation is greater than the tolerance. The method of claim 5,
The analysis report,
An atypical building verification system comprising a graph or scalar field image and a list of deviation values of two corresponding points between the 3D model and the design model. In the verification method by the atypical building verification system,
Receiving 3D scan data of the exterior panel member of the atypical building from the 3D scanning device;
Generating post-processing data through the post-processing process on the input 3D scan data;
Generating a 3D model according to editing of the matched data; And
Comparing the 3D model and the design model to determine whether they match
Atypical building verification method comprising a. The method of claim 7, wherein
After the step of determining whether the match,
Outputting an analysis report when the 3D model matches the design model, and correcting the design model when the discrepancy is inconsistent, and performing a reanalysis using the modified design model
Atypical building verification method comprising a. The method according to claim 7 or 8,
The post-processing data includes a point cloud having a plurality of points having X, Y, Z coordinates,
Generating the post-processing data,
Generating a 3D mesh model by connecting the plurality of points to each other;
Atypical building verification method comprising a.

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