CN112381674A - Modular building health monitoring system based on digital twin platform - Google Patents
Modular building health monitoring system based on digital twin platform Download PDFInfo
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- CN112381674A CN112381674A CN202011276245.9A CN202011276245A CN112381674A CN 112381674 A CN112381674 A CN 112381674A CN 202011276245 A CN202011276245 A CN 202011276245A CN 112381674 A CN112381674 A CN 112381674A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2465—Query processing support for facilitating data mining operations in structured databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
Abstract
The invention discloses a modularized building health monitoring system based on a digital twin platform, which comprises a data sensing system, an information exchange system and an operation and maintenance monitoring system, wherein the data sensing system comprises a sensor and a data acquisition unit which are arranged on a building to be monitored; the information exchange system is an intermediate connection layer of the data sensing system and the operation and maintenance monitoring system and is used for data transmission and interaction between the data sensing system and the operation and maintenance monitoring system; the operation and maintenance monitoring system comprises a building digital model program module, a monitoring data management program module, a monitoring data analysis and processing program module, a three-dimensional visualization program module and an information sharing and early warning program module.
Description
Technical Field
The invention relates to the field of building health monitoring, in particular to modular building health monitoring based on a digital twin platform.
Background
The building industry plays an indispensable and important role in national economy, and the building itself is used as the basic guarantee of people's life and work, and the safety of the building is concerned with people's life and property. There is therefore a need for full-life health monitoring of buildings, including basic engineering structure monitoring and environmental monitoring. The traditional building health monitoring mainly adopts a manual timing inspection mode, so that the labor consumption is high, and the monitoring is not timely. In recent years, some building health monitoring adopts a remote monitoring method based on a sensor, and the method reduces manpower loss to a certain extent, so that the automation degree of the monitoring process is high, and the monitoring is more real-time and efficient. However, sensor-based monitoring systems are limited to data collection, storage and analysis, and lack functionality in visualizing monitoring information and structural information, interacting with administrators, and the like. For the current situation of numerous buildings and diversified structures in China, an intelligent and efficient monitoring system which is real-time in monitoring, high in visualization degree, short in maintenance and improvement period and high in participation of managers is urgently needed.
The advent of digital twinning technology has provided opportunities for the implementation of the above-described functions. The definition of the digital twin is to fully utilize data such as a physical model, sensor updating, operation history and the like, integrate a multidisciplinary, multi-physical quantity, multi-scale and multi-probability simulation process and complete mapping in a virtual space so as to reflect the full life cycle process of corresponding entity equipment. The digital twin technology adopts a digital mode to create a real-time mirror image of a physical entity in a digital space, and the state and the behavior of the physical entity in a real physical environment can be simulated, monitored, diagnosed and controlled through information interaction of the physical entity and a digital model. Therefore, how to construct an intelligent and efficient building health monitoring system based on a digital twin platform is an urgent problem to be solved.
Disclosure of Invention
In view of the above defects of the prior art, the technical problem to be solved by the present invention is how to construct an intelligent and efficient building health monitoring system based on a digital twin platform.
In order to achieve the aim, the invention provides a modular building health monitoring system based on a digital twin platform, which comprises a data sensing system, an information exchange system and an operation and maintenance monitoring system, wherein the data sensing system comprises a sensor and a data acquisition unit which are arranged on a building to be monitored; the information exchange system is an intermediate connection layer of the data sensing system and the operation and maintenance monitoring system and is used for data transmission and interaction between the data sensing system and the operation and maintenance monitoring system; the operation and maintenance monitoring system comprises a building digital model program module, a monitoring data management program module, a monitoring information analysis and processing program module, a three-dimensional visualization program module and an information sharing and early warning program module.
Further, the sensors include structural load type sensors and environmental monitoring type sensors.
Further, the information exchange system includes a wired network or a wireless network or a combination of wired and wireless networks.
Further, the building digital model program module is used for loading corresponding sites in the building digital model according to the arrangement condition of the building field sensors.
Further, the monitoring data management program module includes a full life cycle monitoring information database of the building.
And further, the monitoring information analysis and processing program module is used for carrying out denoising processing on the monitoring information and storing the processed data back to the database again.
Further, the three-dimensional visualization program module is used for displaying the monitoring information on a visualization interface, and the visualization interface comprises a monitoring information page and a monitoring data page.
Further, on the monitoring information page, the user can select the structural load sensor and the environmental monitoring sensor.
Furthermore, on a monitoring data page, the real-time data of the selected sensor is checked, and the real-time denoising and the graphical display of the data are realized.
Further, the information sharing and early warning program module is used for traversing monitoring values of the components in the monitoring database, comparing the monitoring values with a threshold value, and if the monitoring values are higher than the set threshold value, prompting early warning information on a visual interface.
The invention has the beneficial effects that: the visualization degree and friendly interactivity of the building monitoring system are improved, and clear management in the operation and maintenance monitoring stage is realized.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a system level diagram in a preferred embodiment of the invention;
FIG. 2 is an overall block diagram of a preferred embodiment of the present invention;
FIG. 3 is a block diagram of the operation and maintenance monitoring layer in accordance with a preferred embodiment of the present invention;
FIG. 4 is a diagram of a monitor information page in accordance with a preferred embodiment of the present invention;
FIG. 5 is a diagram of a monitor data page in accordance with a preferred embodiment of the present invention;
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
As shown in FIG. 1, the building health monitoring system based on the digital twin platform comprises a data sensing layer S1, an information exchange layer S2 and an operation and maintenance monitoring layer S3. The overall frame diagram of the monitoring system provided by the invention is shown in FIG. 2, and sensor network nodes are reasonably arranged according to the structural morphology and external environmental characteristics of a building to be monitored, so that data communication among a sensor, a data acquisition unit and a monitoring terminal is effectively established; building an information model of a building to be monitored based on Revit software and a data exchange interface by using a building digital model building technology; loading corresponding sites in a building information model according to the arrangement condition of building site sensors; establishing large data of the whole life cycle of a building to be monitored, and updating and analyzing the monitoring data in real time; the interchangeability and the visualization degree of the monitoring system are improved, a monitoring information visualization and sharing interface is provided, and the requirements of real-time monitoring and long-term operation and maintenance of the building are met.
The data perception layer is mainly composed of various sensors and data collectors and is used for acquiring structural information and environmental information of a building: the sensor can be divided into a structural load type and an environment monitoring type according to different collected information, and the sensor of the structural load type mainly comprises: engineering crack sensors, tilt sensors, stress strain sensors, vibration sensors, displacement sensors, and the like. The environmental monitoring type sensor mainly comprises: temperature and humidity sensors, anemometers, rain gauges and the like. The data acquisition unit is mainly used for converting the electric signals acquired by the sensor into transmittable digital signals and transmitting the data to the monitoring information storage management and analysis and processing system.
The information exchange layer is composed of wired and wireless transmission networks, is used as an intermediate connection layer of the data sensing layer and the operation and maintenance monitoring layer, and is used for the transmission and fusion of the sensing network sensing data and the interaction with the operation and maintenance monitoring layer. The cable transmission technology is relatively mature, the assembly is easy, and corresponding supporting facilities are relatively perfect. Compared with wired transmission, the wireless transmission has stronger superiority in recent years, does not need wiring, has low labor cost and strong expansibility, and is easy to update. The common wireless transmission technology includes the ZigBee technology and the like. Due to the diversity of building structures, a wired and wireless transmission combination mode is preferably adopted for data transmission, and the efficiency of sensing data transmission is improved.
As shown in fig. 3, the operation and maintenance monitoring layer is composed of a building digital model, a monitoring data management module, a monitoring information analysis and processing module, a three-dimensional visualization module, and an information sharing and early warning module, and is a key component of the building health monitoring system based on the digital twin platform in fig. 2. The operation and maintenance monitoring layer is integrally constructed on the basis of Revit software, Revit series software is application software specially constructed for a building information model, a three-dimensional digital model can be effectively established, and Revit can realize friendly interaction with database software such as Oracle and data analysis and processing software such as Matlab and Windows system software by acquiring IFC support. The visual and developable friendly interface is provided, and the operation, maintenance and monitoring of the monitoring system can be effectively realized.
The operation and maintenance monitoring layer comprises the following specific construction steps:
(1) building a three-dimensional model of a building based on Revit software, and realizing the building and the arrangement of sensors in a digital model;
building digital models of buildings to be monitored are built by using a building digital model building technology based on Revit software and a data exchange interface, and loading of corresponding sites is realized in the building digital models according to the arrangement condition of building site sensors.
(2) The Oracle database and the Revit are combined to establish a full life cycle monitoring information database of the building, so that the storage, the update and the visualization of monitoring data are realized;
and storing the monitoring data acquired by the sensor into an Oracle database by using wired and wireless sensor networks, calling the data in the Oracle database by using an API opened by Revit and an ADO.
(3) Monitoring data analysis and processing (such as wavelet de-noising and the like) are realized by utilizing data analysis software Matlab
Matlab calls a monitoring data table stored in the database, denoising processing is carried out on monitoring information with huge noise by using data processing methods such as wavelet denoising and the like, and the processed data are stored back in the database again.
(4) Realizing visualization of monitoring information
As shown in fig. 4 and 5, for monitoring the information visualization interface design drawing, the visualization interface is divided into two selectable pages: a monitoring information page (fig. 4) and a monitoring data page (fig. 5). Because the types of the sensors in the sensor network are a structural load type and an environment monitoring type, the shared information required to be provided by the two sensors is different, and a selection button of the two sensors is provided below the interface. Since the number of types of building components is large, a structural load sensor needs to monitor a specific component, and therefore, three aspects of information, such as component type, component ID, and component position, are required to perform constraint anchoring, so that a component to be monitored can be determined as soon as possible. Building components are mainly classified into three types, namely, plates, beams, columns and the like according to the composition structure of a building, and the components of different types are installed at different positions and have different structural information needing attention, so that the sensor types needed by the components of different types are preset in a system program according to prior information. For the environment monitoring sensor, the number of the sensors is often less than that of the structural loads, but the environment monitoring sensor also pays attention to the service life because the monitored positions such as a damp basement, an air inlet and the like have certain corrosiveness to the sensor. Like the structural load type sensor, information such as the type, ID, and location is required to determine the location of the sensor.
After the basic monitoring information is obtained, in order to realize the visualization of the monitoring information, the real-time data of the selected sensor can be checked on a monitoring data interface, and the real-time drying processing and the graphical display of the data are realized by utilizing the data interfaces of the database and the Matlab, so that the items of the monitoring data are clear, and the readability and the interactivity are strong.
(5) Information sharing and early warning
According to the setting of the response parameters of the building structure by the existing specifications and the instruction files, the safety threshold of the member in the building early warning system is standardized, the monitoring value of the member in the monitoring database is traversed, the monitoring value is compared with the threshold, if the monitoring value is higher than the set threshold, early warning information is prompted on a monitoring information visual interface, the ID of the member and real-time monitoring information are output, and the dangerous member is highlighted in the digital model.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A modularized building health monitoring system based on a digital twin platform is characterized by comprising a data perception system, an information exchange system and an operation and maintenance monitoring system, wherein,
the data perception system comprises a sensor and a data collector which are arranged above a building to be monitored;
the information exchange system is an intermediate connection layer between the data sensing system and the operation and maintenance monitoring system and is used for data transmission and interaction between the data sensing system and the operation and maintenance monitoring system;
the operation and maintenance monitoring system comprises a building digital model program module, a monitoring data management program module, a monitoring information analysis and processing program module, a three-dimensional visualization program module and an information sharing and early warning program module.
2. A digital twin platform based modular building health monitoring system as claimed in claim 1 wherein said sensors include structural load type sensors and environmental monitoring type sensors.
3. A digital twin platform based modular building health monitoring system as claimed in claim 2 wherein the information exchange system comprises a wired network or a wireless network or a combination of wired and wireless networks.
4. A digital twin platform based modular building health monitoring system as claimed in claim 3 wherein the building digital model program module is adapted to effect loading of the corresponding sites in the building digital model in accordance with the arrangement of the building site sensors.
5. A digital twin platform based modular building health monitoring system as claimed in claim 4 wherein the monitoring data management program module includes a full lifecycle monitoring information database of the building.
6. The digital twin platform based modular building health monitoring system of claim 5, wherein the monitoring information analysis and processing program module is configured to denoise the monitoring information and store the processed data back to the database.
7. The digital twin platform based modular building health monitoring system of claim 6, wherein the three dimensional visualization program module is configured to display monitoring information on a visualization interface, the visualization interface comprising a monitoring information page and a monitoring data page.
8. A digital twin platform based modular building health monitoring system as claimed in claim 7 wherein on said monitoring information page, a user can select between structural load type sensors and environmental monitoring type sensors.
9. The digital twin platform based modular building health monitoring system of claim 8, wherein on the monitoring data page, real-time data of selected sensors is viewed and real-time de-noising and graphical display of data is achieved.
10. The digital twin platform based modular building health monitoring system of claim 9, wherein the information sharing and early warning program module is configured to traverse the monitored values of the components in the monitoring database, compare the monitored values to a threshold, and prompt early warning information on the visual interface if the monitored values are above a set threshold.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113569445A (en) * | 2021-07-01 | 2021-10-29 | 洛阳星派数值仿真研究院有限公司 | Steel structure health monitoring system and method based on digital twinning technology |
| CN116977122A (en) * | 2023-07-06 | 2023-10-31 | 双龙软创(深圳)科技有限公司 | Remote automatic monitoring method for dangerous rooms based on digital twin technology |
| CN117389553A (en) * | 2023-09-27 | 2024-01-12 | 黑龙江省公路建设中心 | Bridge safety monitoring digital twin body server module construction method in Revit environment |
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