CN-121234621-B - Construction method and system for digital twin body of building engineering

CN121234621BCN 121234621 BCN121234621 BCN 121234621BCN-121234621-B

Abstract

The invention relates to the technical field of electronic digital data processing, in particular to a construction method and a construction system of a digital twin body of a building engineering, which are characterized in that through acquiring operation data of different cooperators on local digital twin bodies of respective building engineering, corresponding component change data sets are determined, a plurality of change component pairs of different cooperators are determined according to the component change data sets, and the target environmental similarity of each normal component pair relative to each change component pair is determined according to the change component pairs and a plurality of normal component pairs of normal digital twin bodies which have normally operated, and the certainty conflict and the probability conflict of each change component pair are determined according to the target environmental similarity respectively, so that the overall conflict is obtained by comprehensive certainty risk and probability risk factors, and false interference is eliminated; and according to the overall conflict of each change component pair, determining that the target change component pair is combined with the reference digital twin body of the server, and ensuring the effective construction of the target reference digital twin body.

Inventors

LI FUQIANG
YANG HUAWEN
LI WEI
LI ZHU

Assignees

山东建业建设发展集团有限公司

Dates

Publication Date: 20260505
Application Date: 20251126

Claims (8)

1. A method of construction of a digital twin for construction engineering, the method comprising: acquiring operation data of different cooperators on local digital twin bodies of respective building engineering, and generating component change data sets corresponding to the local digital twin bodies according to the operation data respectively; According to the component change dataset, a plurality of change component pairs of different cooperators are determined, and the target environmental similarity of each normal component pair relative to each change component pair is determined according to the change component pairs and a plurality of normal component pairs of a normal digital twin body which has normally operated; Determining the certainty conflict and the probability conflict of each change component pair according to the target environment similarity, and determining the overall conflict of each change component pair according to the certainty conflict and the probability conflict respectively; Determining a target change member pair according to the overall conflict of each change member pair, and combining the target change member pair with a reference digital twin body of a server to construct a target reference digital twin body; The method for determining the target environment similarity of each normal component pair relative to each changed component pair comprises the following steps: determining geometric position consistency of each normal component pair relative to each change component pair according to the change component pairs and a plurality of normal component pairs of a normal digital twin body which are operated normally; Analyzing a plurality of the changed component pairs and a plurality of the normal component pairs through a graph neural network, and determining the environmental similarity of each normal component pair relative to each changed component pair; Determining a target environmental similarity of each of the normal component pairs relative to each of the change component pairs based on the geometric positional consistency, based on a first product of the geometric positional consistency and the environmental similarity, respectively; The method for determining the target change member pair comprises the following steps: Comparing the overall conflict of each of the pairs of change members with a conflict threshold; Recording the change member pair as a target change member pair if the overall conflict of the change member pair is less than or equal to the conflict threshold; If the overall conflict of the change component pair is greater than the conflict threshold, conflict prompt information is generated according to the change component pair, and the conflict prompt information is sent to a target cooperative party corresponding to the change component pair, so that after negotiation, the overall conflict of a new change component pair and the new change component pair is determined, and the new change component pair is recorded as a target change component pair until the overall conflict of the new change component pair is smaller than or equal to the conflict threshold.
2. The method of claim 1, wherein determining a plurality of modified component pairs for different cooperators based on the component modification dataset comprises: determining a first change member from the member change dataset of the cooperator's own, and determining a second change member from the other cooperators except the cooperator's own, respectively; and determining a plurality of changing member pairs of different cooperators according to the first changing member and the second changing member respectively.
3. The method of constructing a digital twin body for construction engineering according to claim 2, wherein determining geometric positional consistency of each of the normal component pairs with respect to each of the modified component pairs based on the modified component pairs and the normal component pairs of the normal digital twin body that have been normally operated, respectively, comprises: determining a first geometric feature vector between two normal members in each of the pair of normal members, and determining a second geometric feature vector between the first change member and the second change member in each of the pair of change members, respectively; comparing each normal component pair with each change component pair, and determining different comparison values according to whether the comparison results are the same or not; Respectively determining cosine similarity between the first geometric relationship feature vector corresponding to each normal component pair and the second geometric relationship feature vector corresponding to each change component pair; and determining the geometric position consistency of each normal component pair relative to each changed component pair according to the cosine similarity and the comparison value.
4. The method of constructing a digital twin body for a construction project according to claim 2, wherein determining deterministic and probabilistic conflict between each of the pair of modified members based on the target environmental similarities, respectively, comprises: determining the non-conflict of each corresponding change component pair according to the maximum value of the target environment similarity; Respectively determining a preset value and the non-conflict difference value of each change component pair to obtain the probability conflict of each change component pair; respectively carrying out Boolean intersection operation on each change component pair to obtain a three-dimensional volume corresponding to each change component; Determining the certainty conflict of each of the pair of change members based on the probabilistic conflict of each of the pair of change members and the three-dimensional volume, respectively.
5. The method of constructing a digital twin body for a construction project according to claim 4, wherein determining the certainty conflict of each of the pair of modification elements based on the probabilistic conflict of each of the pair of modification elements and the three-dimensional volume, respectively, comprises: Determining a minimum volume of each of the pairs of modification members, and determining a ratio of the three-dimensional volume to the minimum volume of each of the pairs of modification members; determining a deterministic conflict for each of the pair of change members based on a second product of the ratio and the probabilistic conflict, respectively.
6. The method of constructing a digital twin body for a construction project according to claim 2, wherein determining the overall conflict of each of the pair of modified members based on the deterministic conflict and the probabilistic conflict, respectively, comprises: And determining the overall conflict of each change component pair according to the sum value of the deterministic conflict and the probabilistic conflict.
7. The method for constructing a digital twin body for construction engineering according to claim 1, wherein the step of combining the target modification means with a reference digital twin body of a server to construct a target reference digital twin body comprises: analyzing and determining a local version of a local digital twin of the target change member pair and comparing the local version with a reference version of the reference digital twin of a server; When the local version is different from the reference version, prompting to update the local version to the reference version, and after version updating is completed, merging the target change component pair with the reference digital twin body to construct a target reference digital twin body; All the changed components in the target reference digital twin body are subjected to light weight processing, an incremental update package is generated, and update notifications are pushed to all cooperators based on the incremental update package.
8. A digital twin construction system for construction engineering, comprising: The acquisition module is used for acquiring the operation data of different cooperators on the local digital twin bodies of the respective construction projects and generating component change data sets corresponding to the local digital twin bodies according to the operation data respectively; The determining module is used for determining a plurality of changing component pairs of different cooperators according to the component changing dataset, and determining the target environmental similarity of each normal component pair relative to each changing component pair according to the changing component pairs and a plurality of normal component pairs of a normal digital twin body which has normally operated; The conflict module is used for determining the certainty conflict and the probability conflict of each change component pair according to the target environment similarity and determining the overall conflict of each change component pair according to the certainty conflict and the probability conflict respectively; the construction module is used for determining a target change member pair according to the overall conflict of each change member pair, combining the target change member pair with a reference digital twin body of a server and constructing a target reference digital twin body; The method for determining the target environment similarity of each normal component pair relative to each changed component pair comprises the following steps: determining geometric position consistency of each normal component pair relative to each change component pair according to the change component pairs and a plurality of normal component pairs of a normal digital twin body which are operated normally; Analyzing a plurality of the changed component pairs and a plurality of the normal component pairs through a graph neural network, and determining the environmental similarity of each normal component pair relative to each changed component pair; Determining a target environmental similarity of each of the normal component pairs relative to each of the change component pairs based on the geometric positional consistency, based on a first product of the geometric positional consistency and the environmental similarity, respectively; The method for determining the target change member pair comprises the following steps: Comparing the overall conflict of each of the pairs of change members with a conflict threshold; Recording the change member pair as a target change member pair if the overall conflict of the change member pair is less than or equal to the conflict threshold; If the overall conflict of the change component pair is greater than the conflict threshold, conflict prompt information is generated according to the change component pair, and the conflict prompt information is sent to a target cooperative party corresponding to the change component pair, so that after negotiation, the overall conflict of a new change component pair and the new change component pair is determined, and the new change component pair is recorded as a target change component pair until the overall conflict of the new change component pair is smaller than or equal to the conflict threshold.

Description

Construction method and system for digital twin body of building engineering Technical Field The invention relates to the technical field of electronic digital data processing, in particular to a construction method and a construction system of a digital twin body of a building engineering. Background The building engineering refers to the whole process of designing, constructing, operating and maintaining a building and related infrastructure, and comprises various links from project planning, designing, material selection, construction, acceptance, later maintenance and management and the like. In the building engineering, the construction of the digital twin body can reflect the state and performance of a building or an infrastructure in real time, so that project teams can simulate, analyze and optimize the building design, the construction process and the operation management in a virtual environment. Generally, the digital twin body construction of the building engineering needs to perform data collection and integration through demand analysis and planning, such as collecting environmental data by using internet of things (IoT) equipment, obtaining high-precision three-dimensional building data by using unmanned aerial vehicle, three-dimensional scanning and other technologies, then creating an accurate digital model based on the data and BIM technology, combining actual design data through 3D modeling software to ensure that a virtual model is in high consistency with a physical entity, and updating the model in real time by using sensor data to ensure synchronization between virtual and actual states. At present, because the building engineering is a typical 'temporary multi-organization' collaborative operation, and relates to a plurality of collaborative parties such as design, construction, supervision, suppliers and the like, and has the characteristics of complex contractual relationship and short collaborative period, local data of different collaborative parties are split, great difficulty is brought to the construction of a digital twin body (model), for example, if different collaborative parties operate local digital twin body change components thereof, conflicts are easy to occur due to the condition of unclear other collaborative parties, and the effective construction of the digital twin body is influenced. Disclosure of Invention In order to solve the technical problems, the invention aims to provide a construction method and a construction system for a digital twin body of a building engineering, and the adopted technical scheme is as follows: In a first aspect, an embodiment of the present application provides a method for constructing a digital twin body in a construction engineering, including: acquiring operation data of different cooperators on local digital twin bodies of respective building engineering, and generating component change data sets corresponding to the local digital twin bodies according to the operation data respectively; According to the component change dataset, a plurality of change component pairs of different cooperators are determined, and the target environmental similarity of each normal component pair relative to each change component pair is determined according to the change component pairs and a plurality of normal component pairs of a normal digital twin body which has normally operated; Determining the certainty conflict and the probability conflict of each change component pair according to the target environment similarity, and determining the overall conflict of each change component pair according to the certainty conflict and the probability conflict respectively; and determining a target change component pair according to the overall conflict of each change component pair, and combining the target change component pair with a reference digital twin body of a server to construct a target reference digital twin body. In one embodiment, the determining a number of pairs of changing components of different collaborators from the component change dataset comprises: determining a first change member from the member change dataset of the cooperator's own, and determining a second change member from the other cooperators except the cooperator's own, respectively; and determining a plurality of changing member pairs of different cooperators according to the first changing member and the second changing member respectively. In one embodiment, the determining the target environmental similarity of each of the normal component pairs relative to each of the modified component pairs based on the modified component pairs and the normal component pairs of the normal digital twin body that have been normally operated, respectively, includes: determining geometric position consistency of each normal component pair relative to each change component pair according to the change component pairs and a plurality of normal component pairs of a normal digital twin bod