Cyber-physical fusion-oriented building information model (BIM) expansion method
A technology of cyber-physical fusion and building information model, which is applied in the field of building information model expansion for cyber-physical fusion, can solve the problem of one-way information transmission, poor versatility, lack of two-way real-time interaction, generalized BIM entities and models and supporting technologies and other issues to achieve the effect of expanding the application space and enriching the theory and method system
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Embodiment 1
[0049] A building information model extension method oriented to cyber-physical fusion. The extended framework is composed of BIM virtual space and building physical space. In the existing BIM model framework based on IFC (Industrial Foundation Class) description, new and defined cyber-physical fusion perception Device object 2: used for real-time perception information, which is connected to the physical sensor 7 through the building network driver interface 6, and obtains the operation information of the building physical entity 9 in the building space in real time.
[0050] The cyber-physical fusion sensor object 2 is connected to the conventional building BIM model object 1 through the IFC internal binding mechanism, such as the door (IfcDoor), so that the conventional building BIM model object 1 has the ability to obtain the dynamic information of the corresponding physical entity.
[0051] The cyber-physical fusion controller object I3 is used to encapsulate the control s...
Embodiment 2
[0058] The analog sensor object 21 is a BIM abstract entity that perceives analog signals, and realizes the perception and collection of continuously changing analog values (such as temperature, humidity, illuminance, etc.) of the building physical entity 9 . The cyber-physical fusion analog sensor object defined and described by Express language 21 such as figure 2 As shown, it inherits the element object IfcElement in the existing framework of IFC, obtains identification attributes such as GlobalID, Name, and connection attributes such as Connected to, and newly defines a series of attributes reflecting the characteristics of information physical sensors. The main attributes include real-time engineering measurement values (RTEngineeringValue), real-time original measurement value (RTOriginalValue), engineering measurement value alarm upper limit (AlarmUpLimit), engineering measurement value alarm lower limit (AlarmLowLimit), engineering unit (EngineeringUnit), etc.
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Embodiment 3
[0071] The present invention combines the development of a comprehensive platform for civil air defense engineering operation and maintenance to carry out a functional test and experiment of a building information model extension method oriented to information-physical fusion.
[0072] Figure 11 It shows the BIM operation and maintenance prototype test platform. The BIM operation and maintenance software runs on the monitoring host, and realizes the control of electric airtight valves and fans through 2 Loworks controllers (that is, 1 analog controller and 1 switch controller). real time monitoring.
[0073] Figure 12 It is a BIM operation and maintenance platform test system software interface, which can dynamically present equipment operation data and status. Inside the software, four types of objects defined in the present invention, the cyber-physical fusion sensor, the cyber-physical fusion controller, the cyber-physical fusion actuator, and the cyber-physical fusion ...
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