CN116756832A - BIM technology-based engineering cost management and control system and method - Google Patents
BIM technology-based engineering cost management and control system and method Download PDFInfo
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Abstract
The invention provides a construction cost management and control system and method based on BIM technology, comprising a construction management and control module, a construction management and control module and a construction management and control module, wherein the construction management and control module is used for acquiring actual construction information; the BIM model building module builds a 5DBIM prediction model according to the input preset cost information; the information matching module performs matching operation on the construction information and the 5DBIM prediction model to obtain a 5DBIM real model and a BIM prediction model at the non-construction stage; the prediction updating module updates the BIM prediction model at the non-construction stage by adopting a BP neural network through the 5DBIM real model; the dynamic management module obtains model matching degree information according to the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage; the maintenance management module receives the 5DBIM real model according to the model matching degree information, and formulates a maintenance period and analyzes maintenance cost.
Description
Technical Field
The invention relates to the technical field of engineering cost, in particular to a BIM technology-based engineering cost management and control system and method.
Background
The BIM technology is a data management tool applied to engineering construction, the data and informatization models of a building are integrated, sharing and transferring are carried out in the process of actual project planning, operation and maintenance, the core of the BIM technology is that the BIM technology is adopted in the existing engineering construction to a great extent by establishing a virtual three-dimensional model of the building engineering and utilizing the digitalization technology, but as the technology is improved, the storage and calculation of information are also increased, and the preset BIM prediction model and the engineering consumption in the actual construction exist and come in and go out, so that unnecessary resource waste can be caused, no matter the construction unit or the design party must optimize the management of the engineering construction, the construction efficiency and quality can be improved, an effective management system is very necessary to be built based on the BIM technology, the project engineering is optimally managed and controlled while the information safety is ensured, the construction information of a construction site is obtained in real time, and the model is updated and managed in a high-efficiency and dynamic mode.
Disclosure of Invention
The invention aims to provide a BIM technology-based engineering cost management and control system and method, which provide a safe information management platform for engineering projects, monitor and optimize the operation and consumption of the projects in real time and realize full-period management and optimization.
The invention provides a construction cost management and control system based on BIM technology, which comprises:
the construction management and control module is used for acquiring actual construction information;
the BIM model building module is used for building a 5DBIM prediction model according to the input preset cost information;
the information matching module is used for carrying out matching operation on the construction information and the 5DBIM prediction model to obtain a 5DBIM real model and a BIM prediction model at the non-construction stage;
the prediction updating module is used for updating the BIM prediction model at the non-construction stage by adopting a BP neural network through the 5DBIM real model;
the dynamic management module is used for obtaining model matching degree information according to the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage;
the maintenance management module is used for receiving the 5DBIM real model according to the model matching degree information, making a maintenance period and analyzing maintenance cost;
and the encryption module is used for carrying out dynamic key encryption on the engineering cost management and control system.
Preferably, the construction management and control module includes:
the information acquisition unit is used for acquiring cost information and time period information of the construction site;
and the information filtering unit is used for effectively verifying the cost information and the time period information and filtering the interference information in the cost information and the time period information to obtain the actual construction information.
Preferably, the BIM model building module includes:
a data input unit for receiving predetermined cost information input by a user;
the data screening unit is used for screening out effective preset cost information through a keyword filtering algorithm and a matching unit algorithm;
and the model construction unit is used for constructing a 5DBIM prediction model through a cooperative construction method according to the effective preset cost information.
Preferably, the information matching module includes:
the classification unit is used for classifying the construction information to obtain time information, cost information and 3D model information respectively;
and the matching unit is used for carrying out matching operation on the time information, the cost information, the 3D model information and the 5DBIM prediction model according to a mixed recommendation algorithm to obtain the 5DBIM real model and the BIM prediction model at the non-construction stage.
Preferably, the matching unit includes:
the first operation module is used for matching the time information, the cost information and the 3D model information with a 5DBIM prediction model according to a mixed recommendation algorithm to obtain the 5DBIM real model;
and the second operation module is used for obtaining the BIM prediction model of the non-construction stage by adopting a mixed recommendation algorithm according to the 5DBIM real model and the 5DBIM prediction model.
Preferably, the prediction update module is further configured to set a similarity threshold, and the prediction update module further includes:
the similarity analysis unit is used for analyzing the similarity between the 5DBIM real model and the 5DBIM prediction model to obtain similarity information;
the model comparison unit is used for comparing the similarity information with the similarity threshold value to obtain a 5DBIM real model conforming to the similarity threshold value;
and the model updating unit is used for updating the BIM prediction model at the non-construction stage by adopting the BP neural network to the 5DBIM real model meeting the similarity threshold.
Preferably, the dynamic management module includes:
the geometric center point calculation unit is used for calculating geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model in the non-construction stage;
and the central point projection unit is used for projecting the geometric central points of the 5DBIM real model and the BIM prediction model at the non-construction stage to the geometric central points of the 5DBIM prediction model to obtain first model matching degree information and second model matching degree information.
Preferably, the maintenance management module includes:
the maintenance unit is used for receiving the 5DBIM real model according to the first model matching degree information, making a maintenance period and analyzing maintenance cost;
and the prompting unit is used for generating a prompting message according to the second model matching degree information and generating a solution.
The construction cost management and control method based on the BIM technology comprises the following steps:
step 1: acquiring actual construction information and preset cost information;
step 2: screening the preset cost information through a keyword filtering algorithm and a matching unit algorithm, and constructing a 5DBIM prediction model based on the screened preset cost information;
step 3: carrying out matching operation on the construction information and the 5DBIM prediction model through a mixed recommendation algorithm to obtain a 5DBIM real model and a BIM prediction model at a non-construction stage;
step 4: updating a BIM prediction model at an unworked stage by adopting a BP neural network based on the 5DBIM real model;
step 5: calculating geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model in the non-construction stage, and obtaining model matching degree information according to the geometric center points of the BIM prediction model;
step 6: and receiving a 5DBIM real model according to the model matching degree information, and making a maintenance period and analyzing maintenance cost.
Preferably, the step 4 includes updating the BIM prediction model of the non-construction stage through the 5DBIM prediction model by adopting a Levenberg-Marquardt Levenberg Marquardt algorithm on the 5DBIM real model.
The invention discloses the following technical effects:
the invention provides a BIM technology-based engineering cost management and control system and method, firstly, the scheme can provide a safe management environment for project engineering, encryption programs are arranged on the whole system, secondly, the scheme can check partial finished projects and calculate project construction information in real time, meanwhile, the expected construction scheme can be predicted based on the completed construction information, a BIM prediction model can be updated and optimized in real time, a reference basis is provided for the following engineering projects, different maintenance plans can be specified for maintenance of later-stage projects, and the information management efficiency is guaranteed by adopting a specific calculation process in the scheme.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention;
fig. 2 is a flow chart of the method steps of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present invention provides a management and control system for construction cost based on BIM technology, which is characterized by comprising:
the construction management and control module is used for acquiring actual construction information, and the construction management and control module specifically comprises: the information acquisition unit is used for acquiring cost information and time period information of a construction site, wherein the cost information comprises actual material consumption data of the construction site, actual work arrangement information of constructors, selected material information, price information of purchased materials, 3D model information and other actual power consumption information; the time period comprises a completion period of each stage project, a specific period time period and the like;
the information filtering unit is used for effectively verifying the cost information and the time period information, filtering the interference information in the cost information and the time period information to obtain actual construction information, intelligently screening the obtained actual material consumption data of the construction site, the actual work arrangement information of constructors, the selected material information, the price information of purchased materials, the completion period of each stage of project, the specific period time period and the like, and avoiding unreasonable data input, for example, only 5 tons of cement are selected for the project, but 50 tons of cement data appear due to data acquisition errors, filtering and screening obvious unreasonable data, and re-acquiring construction information until the data are reasonable if unreasonable data appear;
the BIM model construction module is used for constructing a 5DBIM prediction model according to the input preset cost information, and specifically comprises the following steps:
a data input unit for receiving predetermined cost information input by a user, the predetermined cost information including predicted cost information and predicted time period information, specifically predicted material consumption information, predicted constructor arrangement information, predetermined selected material information, predicted finishing period, etc
The data screening unit is used for screening out effective preset cost information through a keyword filtering algorithm and a matching unit algorithm, and can call history project construction information; the data screening unit and the information filtering unit filter unreasonable information, and the matching information of the construction project is extracted through a keyword filtering algorithm and through the keywords in the input preset cost information, and the matching information is screened by adopting a matching unit algorithm and history project construction information to obtain further optimized preset cost information;
the model construction unit is used for constructing a 5DBIM prediction model through a cooperative construction method according to the effective preset cost information, and the effective preset cost information is constructed by stages or distributed to different persons to construct the 5DBIM prediction model respectively through the cooperative construction method due to the fact that the working hour required by the model construction is long and the data operation is huge, the construction results of different stages or the construction results of different persons are comprehensively compared, the optimal 5DBIM prediction model is selected, and the specific construction method is completed through Fuzor software;
the information matching module is used for carrying out matching operation on the construction information and the 5DBIM prediction model to obtain a 5DBIM real model and a BIM prediction model at the non-construction stage, and the information matching module comprises:
the classification unit is used for classifying the construction information to obtain time information, cost information and 3D model information respectively;
the matching unit is used for carrying out matching operation on the time information, the cost information and the 3D model information and the 5DBIM prediction model according to a mixed recommendation algorithm to obtain a 5DBIM real model and the BIM prediction model at the non-construction stage, constructing a 5DBIM model obtained according to actual work data by the time information, the cost information and the 3D model information, carrying out matching adjustment analysis on the 5DBIM model and the constructed 5DBIM prediction model by adopting the mixed recommendation algorithm, respectively obtaining an actual 5DBIM real model after completion and a BIM prediction model at the non-construction stage if the difference between the actual 5DBIM model and the 5DBIM prediction model meets the actual engineering requirement, carrying out iteration construction on the actual 5DBIM model all the time if the difference does not meet the actual engineering requirement, returning to the construction control module again if the cycle number exceeds five times, and carrying out re-operation on the whole system;
the prediction updating module is used for updating the BIM prediction model at the non-construction stage by adopting a BP neural network through the 5DBIM real model; the prediction updating module is further configured to set a similarity threshold in advance according to actual conditions of project cost information and time period information, and verify the credibility of the 5DBIM real model again, where the prediction updating module further includes:
the similarity analysis unit is used for analyzing the similarity between the 5DBIM real model and the 5DBIM prediction model to obtain similarity information;
the model comparison unit is used for comparing the similarity information with the similarity threshold value to obtain a 5DBIM real model which accords with the similarity threshold value, if similarity information which does not accord with the threshold value appears, the whole system is operated again, and the construction management and control module is returned to acquire construction information again;
the model updating unit is used for updating the BIM prediction model of the non-construction stage by adopting a BP neural network according to the 5DBIM real model meeting the similarity threshold, inputting the 5DBIM real model into the BP neural network to obtain a new 5DBIM prediction model, and finally updating the BIM prediction model of the non-construction stage by combining the 5DBIM real model with the newly obtained 5DBIM prediction model to obtain a newly predicted 5DBIM prediction model of the non-construction stage;
the dynamic management module is used for obtaining model matching degree information according to the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage; the dynamic management module comprises:
the geometric center point calculation unit is used for calculating geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model in the non-construction stage through 3DStudioMax software; the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage belong to the complete BIM model in the whole construction, but the emphasis of the model is respectively on the construction of the whole prediction model, the construction of the model after the real construction and the prediction of the model without construction; the geometric center points of the 3D models involved therein are also very slight deviations;
the central point projection unit is used for projecting the geometric central points of the 5DBIM real model and the BIM prediction model at the non-construction stage to the geometric central points of the 5DBIM prediction model to obtain first model matching degree information and matching degree second model matching degree information, wherein the matching degree of the first model matching degree information is required to be more than ninety-eight percent, and the second matching degree information is less than or equal to ninety-eight percent;
the maintenance management module is used for receiving the 5DBIM real model according to the model matching degree information, making a maintenance period and analyzing maintenance cost,
the maintenance management module includes: the maintenance unit is used for receiving the 5DBIM real model according to the first model matching degree information, making a maintenance period and analyzing maintenance cost, and only receiving the completed 5DBIM real model, wherein the 5DBIM real model comprises a 3D model of a building structure, covers time axis information and cost axis information, and is required to correspondingly provide a later maintenance plan, the respectively made maintenance period can be divided into three stages, and the maintenance cost also respectively makes maintenance plans and calculates required maintenance cost according to different projects;
the prompting unit is used for generating a prompting message according to the second model matching degree information, generating a solution, making different solutions in advance, calling a history item database according to the different matching degree information, finding out the solution at the time, and if the solution is not used in the current engineering, generating no solution and only performing visual prompting;
the encryption module is used for carrying out dynamic key encryption on the construction cost management and control system, the encryption module respectively encrypts the construction management and control module and the BIM model construction module, and only authenticated users can carry out data input and acquisition, and other unverified information cannot be input; information matching module 、 Prediction update module 、 Dynamic management module 、 And the maintenance management module performs encryption processing.
Example two
As shown in fig. 2, the present embodiment further provides a construction cost management and control method based on the BIM technology, which includes the following steps:
step 1: acquiring actual construction information and preset construction cost information, wherein the construction information and the preset construction cost information comprise actual material consumption data of a construction site, actual work arrangement information of constructors, selected material information, price information of purchased materials, 3D model information, a completion period of each stage project, a specific period time period and the like, and filtering obvious unreasonable data;
step 2: screening the preset cost information through a keyword filtering algorithm and a matching unit algorithm, constructing a 5DBIM prediction model based on the screened preset cost information, firstly receiving preset cost information input by a user, wherein the preset cost information input by the user comprises predicted cost information and predicted time period information, and particularly comprises predicted material consumption information, predicted constructor arrangement information, preset selected material information, predicted finishing period and the like;
the method is used for constructing a 5DBIM prediction model according to the effective preset cost information by a cooperative construction method, the effective preset cost information is distributed to different personnel in stages or in a cooperative construction method to respectively construct the 5DBIM prediction model, the construction results of different stages or the construction results of different personnel are comprehensively compared, the optimal 5DBIM prediction model is selected, and the model is specifically constructed by Fuzor software;
step 3: carrying out matching operation on the construction information and the 5DBIM prediction model through a mixed recommendation algorithm to obtain a 5DBIM real model and a BIM prediction model in a non-construction stage, firstly, classifying the construction information to obtain time information, cost information and 3D model information respectively, constructing a 5DBIM model obtained according to actual construction data by the time information, the cost information and the 3D model information, carrying out matching adjustment analysis on the constructed 5DBIM prediction model by adopting the mixed recommendation algorithm, obtaining a finished actual 5DBIM real model and a BIM prediction model in a non-construction stage respectively if the difference between the actual constructed 5DBIM model and the 5DBIM prediction model meets actual engineering requirements, and carrying out iterative construction on the actual 5DBIM model all the time if the difference does not meet the actual engineering requirements, and re-returning to a construction management and control module if the number of cycles exceeds five, and carrying out overall system re-operation;
step 4: based on the 5DBIM real model, updating the BIM prediction model in the non-construction stage by adopting a BP neural network, setting a similarity threshold in advance according to the actual conditions of project cost information and time period information, verifying the credibility of the 5DBIM real model again, analyzing the similarity of the 5DBIM real model and the 5DBIM prediction model to obtain similarity information, comparing the similarity information with the similarity threshold to obtain the 5DBIM real model conforming to the similarity threshold, if the similarity information which does not conform to the threshold appears, re-operating the whole system, returning to a construction control module to acquire construction information again, inputting the 5DBIM real model conforming to the similarity threshold into the BP neural network to update the BIM prediction model in the non-construction stage, inputting the 5DBIM real model into the BP neural network to obtain a new 5DBIM prediction model, updating the BIM prediction model in the non-construction stage by adopting a Levenberg-Marquardt algorithm, and finally updating the BIM prediction model in the non-construction stage to obtain the latest predicted BIM prediction model in the non-construction stage, and ensuring that the BIM prediction model in the non-construction stage is not updated until the construction stage is not optimized at any time;
step 5: calculating geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage through 3DStudioMax software based on the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage, wherein the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage belong to complete BIM models in the whole construction, but the emphasis of the models is respectively in the construction of the whole prediction model, and the models after the real construction are constructed and the models without construction are predicted; the geometric center points of the 3D models involved therein are also very slight deviations;
according to the geometric center points of the 5DBIM real model and the BIM prediction model in the non-construction stage, the first model matching degree information is obtained by projecting the geometric center points of the 5DBIM prediction model, the matching degree of the second model matching degree information is required to be more than ninety-eight percent, the second matching degree information is less than or equal to ninety-eight percent, or the matching degree of the first model matching degree information is required to be more than ninety-nine 3 percent, and the second matching degree information is less than or equal to ninety-nine percent, and because the deviation of model construction is required to be very fine, the required precision is high;
step 6: receiving a 5DBIM real model according to the model matching degree information, and making a maintenance period and analyzing maintenance cost, wherein the 5DBIM real model is received according to the first model matching degree information, and the maintenance period and analyzing maintenance cost are made, and only the 5DBIM real model after completion can be received, and because the 5DBIM real model comprises a 3D model of a building structure, the time axis information and the cost axis information are covered, a later maintenance plan is required to be correspondingly provided, the respectively made maintenance period can be divided into three stages, and the maintenance cost also respectively makes a maintenance plan and calculates required maintenance cost according to different projects;
generating a prompt message according to the second model matching degree information, generating a solution, making different solutions in advance, calling a history item database according to the different matching degree information, finding out the solution at the time, and if the solution is not used for the current engineering, generating no solution and only carrying out visual prompt;
the whole system is also provided with an encryption process, so that the privacy of whole process management is ensured, user authentication is required in the process of data acquisition, processing is required under the condition of encryption in the process of model construction and dynamic management, and finally user key authentication is required for visual operation.
Example III
The embodiment is a construction cost management and control method based on BIM technology aiming at a construction cost management process of a certain project, and the specific implementation comprises the following steps:
the method comprises the steps that actual construction information is obtained through safety certification through sensing equipment and client input ends of a site building site, a designer inputs preset cost information to a construction cost management and control system, wherein the preset cost information comprises actual material consumption data of the building site, actual work arrangement information of constructors, selected material information, price information of purchased materials, 3D model information, a completion period of each stage of project, a specific period time period and the like, the obtained information is filtered firstly, and unreasonable data are deleted or modified into reasonable data information;
firstly, receiving preset cost information input by a user, specifically predicted material consumption information, predicted constructor arrangement information, preset selected material information, predicted finishing period and the like, filtering obvious unreasonable data in the same way as the step 1, extracting matching information of construction projects such as steel type materials, cement materials and wood materials through keywords in the input preset cost information by a keyword filtering algorithm, predicting finishing period of the projects in stages, and screening the matching information with historical project construction information by adopting a matching unit algorithm to obtain further optimized preset cost information, wherein the optimizing effect on the predicted information is equivalent;
the method is used for constructing a 5DBIM prediction model according to the effective preset cost information by a cooperative construction method, the effective preset cost information is constructed by stages or distributed to different personnel to respectively construct the 5DBIM prediction model by the cooperative construction method, the construction results of different stages or the construction results of different personnel are comprehensively compared, five designers are selected for model construction in the implementation, an optimal 5DBIM prediction model is finally selected, fuzor software is adopted for specific model construction, other software can be adopted, and the constructed information can be compatible;
classifying construction information to obtain time information, cost information and 3D model information respectively, constructing a 5DBIM model obtained according to actual engineering data by the time information, the cost information and the 3D model information, then carrying out matching adjustment analysis by adopting a mixed recommendation algorithm and the constructed 5DBIM prediction model, and obtaining an actual 5DBIM real model and a BIM prediction model in a non-construction stage after finishing if the actual difference between the actually constructed 5DBIM model and the 5DBIM prediction model meets actual engineering requirements, wherein the actual requirement does not meet actual engineering requirements, and obtaining the BIM model meeting actual engineering requirements only by iterating twice;
updating a BIM prediction model in an un-constructed stage by adopting a BP neural network based on the 5DBIM real model, setting a similarity threshold in advance according to the actual conditions of project cost information and time period information, verifying the credibility of the 5DBIM real model again, analyzing the similarity between the 5DBIM real model and the 5DBIM prediction model to obtain similarity information, comparing the similarity information with the similarity threshold to obtain the 5DBIM real model conforming to the similarity threshold, and updating the BIM prediction model in the un-constructed stage by adopting the BP neural network to obtain the 5DBIM real model conforming to the similarity threshold;
based on a 5DBIM prediction model, a 5DBIM real model and a BIM prediction model in a non-construction stage, calculating three geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model in the non-construction stage by adopting 3DStudioMax software, and projecting the geometric center points of the 5DBIM real model and the BIM prediction model in the non-construction stage to the geometric center points of the 5DBIM prediction model to obtain first model matching degree information, wherein the matching degree of the second model matching degree information is 99.5 percent, and the model matching degree information of the scheme is 99.5 percent;
the matching degree is over ninety-eight percent, so that a 5DBIM real model is received, a maintenance period and analysis maintenance cost are formulated, the respectively formulated maintenance period is divided into three stages, the first stage is respectively checked every three months within one year, if problems are timely fed back and maintained, the maintenance cost is analyzed, a maintenance plan is formulated firstly, materials and prices required by maintenance are calculated, budget prices are generated, and visual display is carried out to remind a user.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. The utility model provides a based on BIM technical engineering cost management and control system which characterized in that includes:
the construction management and control module is used for acquiring actual construction information;
the BIM model building module is used for building a 5DBIM prediction model according to the input preset cost information;
the information matching module is used for carrying out matching operation on the construction information and the 5DBIM prediction model to obtain a 5DBIM real model and a BIM prediction model at the non-construction stage;
the prediction updating module is used for updating the BIM prediction model at the non-construction stage by adopting a BP neural network through the 5DBIM real model;
the dynamic management module is used for obtaining model matching degree information according to the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage;
the maintenance management module is used for receiving the 5DBIM real model according to the model matching degree information, making a maintenance period and analyzing maintenance cost;
and the encryption module is used for carrying out dynamic key encryption on the engineering cost management and control system.
2. The BIM technology based engineering cost management and control system of claim 1, wherein the construction management and control module includes:
the information acquisition unit is used for acquiring cost information and time period information of the construction site;
and the information filtering unit is used for effectively verifying the cost information and the time period information and filtering the interference information in the cost information and the time period information to obtain the actual construction information.
3. The BIM-based engineering cost management and control system of claim 1, wherein the BIM model building module includes:
a data input unit for receiving predetermined cost information input by a user;
the data screening unit is used for screening out effective preset cost information through a keyword filtering algorithm and a matching unit algorithm;
and the model construction unit is used for constructing a 5DBIM prediction model through a cooperative construction method according to the effective preset cost information.
4. The BIM technology based engineering cost management and control system of claim 1, wherein the information matching module includes:
the classification unit is used for classifying the construction information to obtain time information, cost information and 3D model information respectively;
and the matching unit is used for carrying out matching operation on the time information, the cost information, the 3D model information and the 5DBIM prediction model according to a mixed recommendation algorithm to obtain the 5DBIM real model and the BIM prediction model at the non-construction stage.
5. The BIM technology based engineering cost management and control system of claim 4, wherein the matching unit includes:
the first operation module is used for matching the time information, the cost information and the 3D model information with a 5DBIM prediction model according to a mixed recommendation algorithm to obtain the 5DBIM real model;
and the second operation module is used for obtaining the BIM prediction model of the non-construction stage by adopting a mixed recommendation algorithm according to the 5DBIM real model and the 5DBIM prediction model.
6. The BIM technology based engineering cost management system of claim 1, wherein the prediction update module is further configured to set a similarity threshold, and the prediction update module further includes:
the similarity analysis unit is used for analyzing the similarity between the 5DBIM real model and the 5DBIM prediction model to obtain similarity information;
the model comparison unit is used for comparing the similarity information with the similarity threshold value to obtain a 5DBIM real model conforming to the similarity threshold value;
and the model updating unit is used for updating the BIM prediction model at the non-construction stage by adopting the BP neural network to the 5DBIM real model meeting the similarity threshold.
7. The BIM technology based engineering cost management and control system of claim 6, wherein the dynamic management module includes:
the geometric center point calculation unit is used for calculating geometric center points of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model in the non-construction stage;
and the central point projection unit is used for projecting the geometric central points of the 5DBIM real model and the BIM prediction model at the non-construction stage to the geometric central points of the 5DBIM prediction model to obtain first model matching degree information and second model matching degree information.
8. The BIM technology based engineering cost management system of claim 7, wherein the maintenance management module includes:
the maintenance unit is used for receiving the 5DBIM real model according to the first model matching degree information, making a maintenance period and analyzing maintenance cost;
and the prompting unit is used for generating a prompting message according to the second model matching degree information and generating a solution.
9. The engineering cost management and control method based on the BIM technology is characterized by comprising the following steps of:
step 1: acquiring actual construction information and preset cost information;
step 2: screening the preset cost information through a keyword filtering algorithm and a matching unit algorithm, and constructing a 5DBIM prediction model based on the screened preset cost information;
step 3: carrying out matching operation on the construction information and the 5DBIM prediction model through a mixed recommendation algorithm to obtain a 5DBIM real model and a BIM prediction model at a non-construction stage;
step 4: updating a BIM prediction model at an unworked stage by adopting a BP neural network based on the 5DBIM real model;
step 5: calculating geometric center points of BIM prediction models of the 5DBIM prediction model, the 5DBIM real model and the BIM prediction model at the non-construction stage, and obtaining model matching degree information according to the geometric center points of the BIM prediction models;
step 6: and receiving a 5DBIM real model according to the model matching degree information, and making a maintenance period and analyzing maintenance cost.
10. The method according to claim 9, wherein the step 4 includes updating the non-construction-stage BIM prediction model by using a Levenberg-Marquardt column-venberg Marquardt algorithm on the 5DBIM real model, and passing through the 5DBIM prediction model.
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Cited By (4)
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| CN117035694A (en) * | 2023-10-08 | 2023-11-10 | 深圳市辰普森信息科技有限公司 | BIM system management method and device and computer equipment |
| CN117634006A (en) * | 2024-01-26 | 2024-03-01 | 新疆三联工程建设有限责任公司 | BIM technology-based sleeve embedded engineering management system and method |
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| CN118228939A (en) * | 2024-05-23 | 2024-06-21 | 深圳新艺华建筑装饰工程有限公司 | BIM-based intelligent digital management system for interior decoration construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117035694A (en) * | 2023-10-08 | 2023-11-10 | 深圳市辰普森信息科技有限公司 | BIM system management method and device and computer equipment |
| CN117035694B (en) * | 2023-10-08 | 2024-01-26 | 深圳市辰普森信息科技有限公司 | BIM system management method and device and computer equipment |
| CN117764499A (en) * | 2024-01-04 | 2024-03-26 | 广西立通供应链技术有限公司 | Method and device for predicting stage of decoration project and material data based on historical material data |
| CN117634006A (en) * | 2024-01-26 | 2024-03-01 | 新疆三联工程建设有限责任公司 | BIM technology-based sleeve embedded engineering management system and method |
| CN117634006B (en) * | 2024-01-26 | 2024-04-26 | 新疆三联工程建设有限责任公司 | BIM technology-based sleeve embedded engineering management system and method |
| CN118228939A (en) * | 2024-05-23 | 2024-06-21 | 深圳新艺华建筑装饰工程有限公司 | BIM-based intelligent digital management system for interior decoration construction |
| CN118228939B (en) * | 2024-05-23 | 2024-07-12 | 深圳新艺华建筑装饰工程有限公司 | BIM-based intelligent digital management system for interior decoration construction |
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