CN109146120A - Three-dimensional model identification method for construction task progress state of power transmission and transformation project - Google Patents
Three-dimensional model identification method for construction task progress state of power transmission and transformation project Download PDFInfo
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Abstract
The invention provides a three-dimensional model identification method for a construction task progress state of a power transmission and transformation project, which is based on three-dimensional design results, researches a three-dimensional expression mode for simulating construction progress according to construction plan progress arrangement, and shows plan progress, actual progress, and plan progress and actual progress deviation conditions of a construction site. The model is driven to change according to the construction progress data, the construction process from the absence to the existence of the construction site is truly simulated, the visual simulation of the construction progress is realized, and the management and control of the construction progress of the power transmission and transformation project are realized. According to the method, the model is marked with different colors according to the progress of different tasks, and the supervision can check the current task attribute according to the model color, so that the progress management is more visual, and the progress check is more convenient.
Description
Technical field
The present invention relates to converting electricity fields, more particularly, to the three of a kind of project of transmitting and converting electricity construction task progress status
Dimension module identification method.
Background technique
Country's three-dimensional visualization is applied at present and the construction project time management of engineering project is applied gradually in terms of architectural engineering
Maturation, in the prior art, although these methods are for a certain specific there is also some construction project time management methods
The solution of architectural engineering customization, it is also fewer in the application of electricity transmitting and converting construction engineering, especially to project of transmitting and converting electricity
The construction speed simulation control aspect of work progress.
Summary of the invention
For existing defect or deficiency, the present invention provides a kind of three-dimensionals of project of transmitting and converting electricity construction task progress status
Model identification method, for carrying out three-dimensional display and management control to project of transmitting and converting electricity construction task progress status, comprising:
Step 1, according to project of transmitting and converting electricity construction task, establish the two-dimentional construction drawing of project of transmitting and converting electricity construction task；
Step 2, according to project of transmitting and converting electricity construction task, work out project of transmitting and converting electricity construction task progress color identifier table；
Step 3 establishes project of transmitting and converting electricity threedimensional model using modeling technique according to two-dimentional construction drawing；
Step 4, establishment construction schedule, the project of transmitting and converting electricity threedimensional model are associated with construction schedule, shape
At project of transmitting and converting electricity construction speed threedimensional model；
Step 5, actual progress is compared, to described by the actual progress of typing engineering construction with construction schedule
Project of transmitting and converting electricity construction task in project of transmitting and converting electricity construction speed threedimensional model carries out colour code according to the color identifier table
Know, be associated with and reflect current construction speed state, to distinguish that displaying is completed or carried out according to plan and exist with plan
The task of schedule variance.
The beneficial effects of the present invention are firstly, being directed to current status, we are based on construction speed emulation and three-dimensional visible
Change technology construction simulation progress can send out three-dimensional artificial feature well.It, can be in the mode of 3 D stereo again by system demonstration
Under to entire work progress carry out Schedule monitoring.Secondly, drawing can be illustrated not complete, size marking contradiction etc. by unit in charge of construction
The problem of can not constructing caused by factor, is resolved, it is ensured that accomplish in construction rational technology, material are qualified, operation is correct,
Securely and reliably.Finally, for the generation of threedimensional model, levels of precision depends on constructing the quality of the sample set of the model, multiple
Miscellaneous project of transmitting and converting electricity design problem, Modeling Calculation be it is very time-consuming, search for optimal design parameters when, it is either traditional
Optimization algorithm or heuritic approach based on gradient information will carry out multiple iterative calculation.And the present invention is before modeling
Element filtering optimization has been carried out in advance, and the element after selection filtering optimization is modeled, so that Modeling Calculation amount is small, again maximum
The model that can guarantee precision of prediction in degree, to replace the numerical value of time-consuming actual physical amount during Modeling and Design, with
Improve design efficiency.Especially, characteristic point filtering and Eigenvector filtering proposed by the present invention, very well satisfy following two
A characteristic: first, space filling properties: all sample points are full of entire design space as much as possible, to capture as far as possible
More information about model；And second, projection property: in lower dimensional space, the projection of sample point uniformly divides as much as possible
Cloth avoids the occurrence of overlapping.
Detailed description of the invention
Method flow frame Fig. 1 proposed by the invention.
Specific embodiment
For a better understanding of the present invention, with reference to the description of the embodiment of the accompanying drawings, method of the invention is carried out
Further instruction.
In order to fully understand the present invention, numerous details are referred in the following detailed description.But art technology
Personnel are it should be understood that the present invention may not need these details and realize.In embodiment, it is not described in detail well known side
Method, process, component, in order to avoid unnecessarily make embodiment cumbersome.
It is shown in Figure 1, a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status of the invention,
For carrying out three-dimensional display and management control to project of transmitting and converting electricity construction task progress status, it is characterised in that:
Step 1, according to project of transmitting and converting electricity construction task, establish the two-dimentional construction drawing of project of transmitting and converting electricity construction task；
Step 2, according to project of transmitting and converting electricity construction task, work out project of transmitting and converting electricity construction task progress color identifier table；
Step 3 establishes project of transmitting and converting electricity threedimensional model using modeling technique according to two-dimentional construction drawing；
Step 4, establishment construction schedule, the project of transmitting and converting electricity threedimensional model are associated with construction schedule, shape
At project of transmitting and converting electricity construction speed threedimensional model；
Step 5, actual progress is compared, to described by the actual progress of typing engineering construction with construction schedule
Project of transmitting and converting electricity construction task in project of transmitting and converting electricity construction speed threedimensional model carries out colour code according to the color identifier table
Know, be associated with and reflect current construction speed state, to distinguish that displaying is completed or carried out according to plan and exist with plan
The task of schedule variance.
Wherein, the project of transmitting and converting electricity construction task in the project of transmitting and converting electricity construction speed threedimensional model is according to institute
It states color identifier table and carries out colored indicator, specifically include: being with construction schedule beginning and ending time and practical beginning and ending time respectively
Foundation, mark is completed task, does not complete and appoint respectively in different colors on the project of transmitting and converting electricity construction speed threedimensional model
Business, ongoing task.
Wherein, the project of transmitting and converting electricity construction speed threedimensional model further includes progress back track function, and the progress backtracking is used
In the construction task progress for checking any date.
Wherein, the two-dimentional construction drawing of step 3, foundation establishes project of transmitting and converting electricity threedimensional model, specifically using modeling technique
Include:
Step 3-1: from gathering project element on the two-dimentional construction drawing of project of transmitting and converting electricity construction task；
Step 3-2: element filtering optimization is carried out to the engineering factor of the two-dimentional construction drawing；
Step 3-3: the engineering factor after choosing filtering optimization generates project of transmitting and converting electricity construction three by 3 d modeling software
Tie up initial model；
Step 3-4: carrying out collision detection to the three-dimensional initial model of project of transmitting and converting electricity construction and three-dimensional drawing school be careful, and
Image rendering is carried out, final project of transmitting and converting electricity threedimensional model is obtained；
Wherein, the engineering factor includes characteristic point, Eigenvector, project of transmitting and converting electricity construction plan, sectional view, engineering
Height etc..
Wherein, step 3-2: element filtering optimization is carried out to the engineering factor of the two-dimentional construction drawing, including to feature
The filtering optimization of point, and the filtering of Eigenvector is optimized.
Wherein, the filtering optimization to characteristic point specifically includes:
Step 3-2-1 extracts the original design SPACE V of two-dimentional construction drawing0, in original design SPACE V0In range, carry out
Feature point sampling；
Step 3-2-2 obtains the closure that existing characteristic point is constituted on each dimension direction in characteristic point sampling process
Space, it is desirable that new characteristic point cannot be fallen into these closed spaces；The form of closed space is varied, art technology
Personnel can design according to actual needs.For example, it may be certain length is that the sphere of radius is empty using characteristic point as the centre of sphere
Between, it is also possible to centered on characteristic point, certain length is the cubic space of side length, and certain length can be according to feature
Number or sparse requirement or model granularity requirements etc. is put to determine.The Eigenvector that closed space expression newly samples cannot be fallen
Enter meaning therein.
Feature point set C is added in existing characteristic point by step 3-2-3P；
Step 3-2-4, by original design SPACE V0Subtract existing characteristic point structure on each dimension direction in feature point set
At closed space, obtain filtered free time design space V1；
Step 3-2-5, idle design space V after filtration1It is middle to generate a large amount of random point；
These are located at free time design space V by step 3-2-61On random point be mapped to original design SPACE V0；
Step 3-2-7 calculates the space length between random point and existing characteristic point, selects the filling of certain amount space special
The optimal random point of property is as random character point set CPR；
Step 3-2-8 identifies random character point set CPRIn area of feasible solutions where each random point, in these areas of feasible solutions
It is scanned for along search boundary line, obtains a series of alternative features points, for each random point, selection does not fall within wherein existing
Feature point set C is added as new characteristic point in the optimal solution for the closed space that characteristic point is constitutedP；
Step 3-2-9, checks whether algorithm reaches termination condition, if so, sampling terminates；Otherwise, step 2-4 to 2- is repeated
9。
Wherein, the termination condition of the algorithm is the granularity requirements of scheduled characteristic point number or threedimensional model.
Wherein, the filtering to Eigenvector optimizes, and specifically includes:
Step 3-2-1 ' extracts the original design SPACE V of two-dimentional construction drawing0, in original design SPACE V0In range, into
The sampling of row Eigenvector；
Step 3-2-2 ' obtains existing Eigenvector and is made of in the plane it in Eigenvector sampling process
Closure plane, it is desirable that new Eigenvector cannot fall into these closure planes in；The characteristic curve that closure plane expression newly samples
Duan Buneng falls into meaning therein.
Eigenvector collection C is added in existing Eigenvector by step 3-2-3 'L；
Step 3-2-4 ', judging characteristic line-segment sets CLIn the closure plane that is constituted of existing Eigenvector whether may make up
Closed space, if it is not, then continue Eigenvector sampling；It is closed if it is, obtaining by what existing closure plane was constituted
Close space；The requirement for the closed space that whether may make up is varied, and those skilled in the art can set according to actual needs
Meter.For example, can require just to may be constructed a specific closure when six intersecting planes for having cube as building
Space may also require that the space of composition is not necessarily cube, for example can have the two of mutual relative tilt out of square
A face, if require the intersection of multiple planes to may make up enclosure space, be considered as reaching wanting for the closed space that may make up
It asks.The Eigenvector that closed space expression newly samples cannot fall into meaning therein.
Step 3-2-5 ', by original design SPACE V0The closed space that existing closure plane is constituted is subtracted, after obtaining filtering
Idle design space V2；
Step 3-2-6 ', idle design space V after filtration2It is middle to generate a large amount of random line segment；
These are located at free time design space V by step 3-2-7 '2On random line segment be mapped to original design SPACE V0, obtain
The plane where these random line segments is taken, if the plane where the random line segment and original design SPACE V0In any institute
It states existing closure plane to be overlapped, then deletes the random line segment, obtain the random line segment after filtering optimizes, addition and more new feature
Line-segment sets CL；
Step 3-2-8 ', checks whether algorithm reaches termination condition, if so, sampling terminates；Otherwise, step 2-4 ' is repeated extremely
2-8’。
Wherein, the termination condition of the algorithm is the granularity requirements of scheduled Eigenvector number or threedimensional model.
The beneficial effects of the present invention are firstly, being directed to current status, we are based on construction speed emulation and three-dimensional visible
Change technology construction simulation progress can send out three-dimensional artificial feature well.It, can be in the mode of 3 D stereo again by system demonstration
Under to entire work progress carry out Schedule monitoring.Secondly, drawing can be illustrated not complete, size marking contradiction etc. by unit in charge of construction
The problem of can not constructing caused by factor, is resolved, it is ensured that accomplish in construction rational technology, material are qualified, operation is correct,
Securely and reliably.Finally, for the generation of threedimensional model, levels of precision depends on constructing the quality of the sample set of the model, multiple
Miscellaneous project of transmitting and converting electricity design problem, Modeling Calculation be it is very time-consuming, search for optimal design parameters when, it is either traditional
Optimization algorithm or heuritic approach based on gradient information will carry out multiple iterative calculation.And the present invention is before modeling
Element filtering optimization has been carried out in advance, and the element after selection filtering optimization is modeled, so that Modeling Calculation amount is small, again maximum
The model that can guarantee precision of prediction in degree, to replace the numerical value of time-consuming actual physical amount during Modeling and Design, with
Improve design efficiency.Especially, characteristic point filtering and Eigenvector filtering proposed by the present invention, very well satisfy following two
A characteristic: first, space filling properties: all sample points are full of entire design space as much as possible, to capture as far as possible
More information about model；And second, projection property: in lower dimensional space, the projection of sample point uniformly divides as much as possible
Cloth avoids the occurrence of overlapping.
Here the preferred embodiment of the present invention is only illustrated, but its meaning is not intended to limit the scope of the invention, applicability and is matched
It sets.On the contrary, detailed explanation of the embodiments can be implemented by those skilled in the art.It will be understood that without departing from appended power
In the case of the spirit and scope of the invention that sharp claim determines, changes and modifications may be made to details.
Claims (10)
1. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status, for appointing to project of transmitting and converting electricity construction
Business progress status carries out three-dimensional display and management control, it is characterised in that:
Step 1, according to project of transmitting and converting electricity construction task, establish the two-dimentional construction drawing of project of transmitting and converting electricity construction task；
Step 2, according to project of transmitting and converting electricity construction task, work out project of transmitting and converting electricity construction task progress color identifier table；
Step 3 establishes project of transmitting and converting electricity threedimensional model using modeling technique according to two-dimentional construction drawing；
Step 4, establishment construction schedule, the project of transmitting and converting electricity threedimensional model is associated with construction schedule, is formed defeated
Power transformation engineering construction speed threedimensional model；
Step 5, actual progress is compared by the actual progress of typing engineering construction with construction schedule, to the defeated change
Project of transmitting and converting electricity construction task in electrical engineering construction speed threedimensional model carries out colored indicator according to the color identifier table, closes
Join and reflect current construction speed state, shows completing or carry out according to plan and that there are progresses is inclined with plan to distinguish
The task of difference.
2. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 1,
In, the project of transmitting and converting electricity construction task in the project of transmitting and converting electricity construction speed threedimensional model is according to the color identifier
Table carries out colored indicator, specifically includes: respectively using construction schedule beginning and ending time and practical beginning and ending time as foundation, described
Mark is completed task, does not complete task, carrying out respectively in different colors on project of transmitting and converting electricity construction speed threedimensional model
Task.
3. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 1,
In, the project of transmitting and converting electricity construction speed threedimensional model further includes progress back track function, and the progress backtracking is any for checking
The construction task progress on date.
4. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 1,
In, step 3 is established project of transmitting and converting electricity threedimensional model, is specifically included according to two-dimentional construction drawing using modeling technique:
Step 3-1: from gathering project element on the two-dimentional construction drawing of project of transmitting and converting electricity construction task；
Step 3-2: element filtering optimization is carried out to the engineering factor of the two-dimentional construction drawing；
Step 3-3: it is three-dimensional just to generate project of transmitting and converting electricity construction by 3 d modeling software for the engineering factor after choosing filtering optimization
Beginning model；
Step 3-4: collision detection is carried out to the three-dimensional initial model of project of transmitting and converting electricity construction and three-dimensional drawing school is careful, and is carried out
Image rendering obtains final project of transmitting and converting electricity threedimensional model.
5. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 4,
In, the engineering factor includes characteristic point, Eigenvector, project of transmitting and converting electricity construction plan, sectional view, engineering height etc..
6. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 5,
In, step 3-2: carrying out element filtering optimization to the engineering factor of the two-dimentional construction drawing, excellent including the filtering to characteristic point
Change, and the filtering of Eigenvector is optimized.
7. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 6,
In, the filtering optimization to characteristic point specifically includes:
Step 3-2-1 extracts the original design SPACE V of two-dimentional construction drawing0, in original design SPACE V0In range, feature is carried out
Point sampling；
It is empty to obtain the closure that existing characteristic point is constituted on each dimension direction in characteristic point sampling process by step 3-2-2
Between, it is desirable that new characteristic point cannot be fallen into these closed spaces；
Feature point set C is added in existing characteristic point by step 3-2-3P；
Step 3-2-4, by original design SPACE V0Subtract that existing characteristic point in feature point set constitutes on each dimension direction closes
Space is closed, filtered free time design space V is obtained1；
Step 3-2-5, idle design space V after filtration1It is middle to generate a large amount of random point；
These are located at free time design space V by step 3-2-61On random point be mapped to original design SPACE V0；
Step 3-2-7 calculates the space length between random point and existing characteristic point, selects certain amount space filling properties most
Excellent random point is as random character point set CPR；
Step 3-2-8 identifies random character point set CPRIn area of feasible solutions where each random point, along searching in these areas of feasible solutions
Rope boundary line scans for, and obtains a series of alternative features points, and for each random point, selection does not fall within existing characteristic point wherein
Feature point set C is added as new characteristic point in the optimal solution of the closed space of compositionP；
Step 3-2-9, checks whether algorithm reaches termination condition, if so, sampling terminates；Otherwise, step 2-4 to 2-9 is repeated.
8. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 7,
In, the termination condition of the algorithm is the granularity requirements of scheduled characteristic point number or threedimensional model.
9. a kind of threedimensional model mark side of project of transmitting and converting electricity construction task progress status according to one of claim 6-8
Method, wherein the filtering to Eigenvector optimizes, and specifically includes:
Step 3-2-1 ' extracts the original design SPACE V of two-dimentional construction drawing0, in original design SPACE V0In range, carry out special
Levy line segment sampling；
Step 3-2-2 ' obtains existing Eigenvector and is closed by what it was constituted in the plane in Eigenvector sampling process
Close plane, it is desirable that new Eigenvector cannot be fallen into these closure planes；
Eigenvector collection C is added in existing Eigenvector by step 3-2-3 'L；
Step 3-2-4 ', judging characteristic line-segment sets CLIn closing of whether may make up of the closure plane that is constituted of existing Eigenvector
Space is closed, if it is not, then continuing Eigenvector sampling；If it is, it is empty to obtain the closure being made of existing closure plane
Between；
Step 3-2-5 ', by original design SPACE V0The closed space that existing closure plane is constituted is subtracted, the filtered free time is obtained
Design space V2；
Step 3-2-6 ', idle design space V after filtration2It is middle to generate a large amount of random line segment；
These are located at free time design space V by step 3-2-7 '2On random line segment be mapped to original design SPACE V0, obtain this
Plane where a little random line segments, if plane and original design SPACE V where the random line segment0In it is any described existing
It is closed plane to be overlapped, then deletes the random line segment, the random line segment after obtaining filtering optimization is added and updates Eigenvector collection
CL；
Step 3-2-8 ', checks whether algorithm reaches termination condition, if so, sampling terminates；Otherwise, step 2-4 ' to 2- is repeated
8’。
10. a kind of threedimensional model identification method of project of transmitting and converting electricity construction task progress status according to claim 9,
In, the termination condition of the algorithm is the granularity requirements of scheduled Eigenvector number or threedimensional model.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110704705A (en) * | 2019-10-15 | 2020-01-17 | 中国电力企业联合会电力建设技术经济咨询中心 | Method and system for displaying project progress in real time |
| CN111930027A (en) * | 2020-10-10 | 2020-11-13 | 上海交大智邦科技有限公司 | Electromechanical and hydraulic combined simulation virtual debugging method and device |
| CN113961281A (en) * | 2021-08-13 | 2022-01-21 | 叮联信息技术有限公司 | Internet-based task progress display method and device |
| CN115526739A (en) * | 2022-09-16 | 2022-12-27 | 杭州天界数字科技有限公司 | Building engineering progress monitoring method based on BIM and machine vision |
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