BAS-BIM Integration for 3D Building Equipment Visualization
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Solution Overview
Problem
Current building automation systems (BAS) face challenges in integrating data with building information models (BIM), resulting in low-quality graphics and inefficient management of building equipment, as existing solutions struggle to effectively combine dynamic BAS data with 3D graphical representations of buildings.
Innovation Solution
A system that includes a BAS-BIM integrator to receive BAS points from the network, integrate them with a BIM, and generate a user interface using an integrated BAS-BIM viewer, allowing users to view and control building equipment through a graphical 3D representation, with features like mapping interfaces and control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If BAS data is integrated with BIM using a mapping interface, then the quality of graphical representation is improved, but the device complexity increases
Solution Approach 1:
The patent introduces a mapping interface as an intermediary component that bridges BAS data points and BIM objects. This mapping interface translates and correlates data between the two systems, enabling high-quality graphical representation without directly complicating the core BAS and BIM systems. The mapping interface acts as a mediator that handles the integration complexity separately.
Solution Approach 2:
The integration system is segmented into distinct functional components: the BAS-BIM integrator, the mapping interface, and the integrated viewer. This segmentation allows each component to handle specific tasks independently, reducing overall system complexity while maintaining high graphical representation quality through specialized processing in each segment.
2Measurement precision
If BAS points are manually integrated with BIM objects, then the integration accuracy is improved, but the productivity decreases
Solution Approach 1:
The system performs preliminary actions by pre-defining data structures, point categories, and object hierarchies in both BAS and BIM systems. This preliminary organization enables automated matching and reduces the need for manual point-by-point integration, thereby maintaining high integration accuracy while significantly improving productivity through reduced manual effort.
3Loss of information
If detailed BAS data is displayed in 3D BIM model, then the information completeness is improved, but the ease of operation decreases
Solution Approach 1:
The patent utilizes the third dimension of the BIM model to organize and display BAS data points spatially. Instead of presenting data in flat, overwhelming tables, the system maps data points to their corresponding 3D locations in the building model. This dimensional approach allows users to access complete information through spatial navigation and filtering, maintaining information completeness while improving ease of operation through intuitive 3D interaction.
Data Source
AI summary
A building automation system (BAS) includes building equipment located within a building and a BAS network configured to facilitate communications between the building equipment. The building equipment operate to affect a variable state or condition within the building. The BAS includes a BAS-BIM integrator configured to receive BAS points from the BAS network and to integrate the BAS points with a building information model (BIM). The BIM includes a plurality of BIM objects representing the building equipment. The BAS includes an integrated BAS-BIM viewer configured to use the BIM with the integrated BAS points to generate a user interface. The user interface includes a graphical representation of the BIM objects and the BAS points integrated therewith.