Dynamic Point List Generator for HVAC BMS Integration
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Solution Overview
Problem
In HVAC systems, adding new equipment controllers to a Building Management System (BMS) is cumbersome due to the need for manual selection of relevant data points from a large list, often exceeding two hundred, which is time-consuming and requires human intervention.
Innovation Solution
An equipment controller with a feature detector and dynamic point list generator that automatically identifies available features, removes irrelevant points, and exposes a dynamic point list to the BMS, using sensor input, user selection, and reliability estimation to filter data points based on user input and historical data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If automatic discovery and import of all data points is implemented, then the completeness of data point mapping is improved, but the time and resources required for processing increase significantly
Solution Approach 1:
The patent extracts only the relevant data points from the complete set of data points available on HVAC equipment controllers. The BMS automatically identifies and imports only those data points that are necessary for building automation functions, excluding unnecessary points. This extraction approach maintains mapping completeness while significantly reducing processing time and resources compared to importing all data points.
2Loss of time
If manual selection of relevant data points is performed, then the processing time is reduced, but the complexity of the integration process increases
Solution Approach 1:
The BMS performs self-service by automatically discovering HVAC equipment controllers and intelligently identifying relevant data points without requiring manual operator intervention. The system uses automatic detection algorithms to determine which data points are necessary for building automation, thereby reducing processing time while maintaining integration simplicity. This eliminates the trade-off between manual selection speed and process complexity.
3Loss of information
If all data points are exposed to BMS, then the availability of information is improved, but the system complexity and difficulty of management increase
Solution Approach 1:
The BMS extracts and exposes only the relevant data points necessary for building automation functions from the complete set of data points available on HVAC equipment controllers. This selective exposure ensures that sufficient information is available for effective system control and monitoring while significantly reducing system complexity and easing management burden compared to exposing all data points.
Data Source
AI summary
An equipment controller in a building management system (BMS) includes a feature detector and a dynamic point list generator. The feature detector is configured to receive sensor input from a sensor and determine a set of features available to the equipment controller based on the sensor input. The dynamic point list generator is configured to determine unavailable features based on the set of available features and identify one or more points in a complete point list associated with the set of unavailable features. The dynamic point list generator is configured to generate a dynamic point list by removing the identified points from the complete point list and expose the dynamic point list to a BMS controller communicably connected to the equipment controller.