Extracting and publishing point data from a building site model
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Solution Overview
Problem
Current building control systems require manual configuration and site visits for setup within building management systems (BMS), leading to increased complexity, time, and costs for system integrators.
Innovation Solution
A gateway device that extracts point data from building site models using model tags, extract tags, and model references, and publishes it to a central database, allowing for remote configuration and centralized data management across different building control systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual configuration and site visits are used for setting up building control systems in BMS, then system integrators can directly configure devices, but the process becomes complex and time-consuming with increased travel and accommodation costs
Solution Approach 1:
The patent uses building information models (BIM) as digital copies of physical building systems to extract point data automatically. Instead of manually visiting sites, the system copies device information from the digital model, eliminating travel time while maintaining configuration accuracy through the structured data in the BIM model
Solution Approach 2:
The patent introduces an intermediary system that automatically extracts point data from building information models and transfers it to the building management system. This intermediary eliminates the need for manual site visits by acting as a bridge between the digital model and the control system, reducing both time and cost
2Ease of operation
If system integrators physically visit each site to review and configure building control systems, then they can determine device types and information directly, but travel costs and deployment complexity increase
Solution Approach 1:
The system enables self-service by automatically extracting point data from building information models without requiring system integrator intervention at each site. The automated extraction process retrieves device types and information directly from the structured BIM data, making the process easier while reducing deployment complexity through standardization
3Loss of information
If manual configuration processes are used for adding building control systems to BMS, then system integrators can review system details on-site, but the process becomes costly and time-consuming
Solution Approach 1:
The patent copies complete device information from building information models, ensuring data completeness is maintained while eliminating the need for costly site visits. The digital model contains all necessary device data, allowing automated extraction that preserves information integrity without incurring travel and accommodation expenses
Data Source
AI summary
Operating heating, ventilation, and air conditioning systems using occupancy sensing are described herein. One device includes instructions which cause a processor to receive building information including information defining a plurality of spaces of a building, occupancy sensing system information describing a location of each of a plurality of occupancy sensing system fixtures with respect to a representation of the building, and heating, ventilation, and air conditioning (HVAC) system information describing a relationship between the plurality of spaces and a plurality of HVAC devices installed in the building, create a mapping between a space of the plurality of spaces, a fixture of the plurality of fixtures, and an HVAC device of the plurality of HVAC devices based on the building information, and modify an operation of the HVAC device based on the mapping and responsive to a determination of occupancy in the space by the fixture.