Building management system with searching using aliased points from equipment definitions
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Solution Overview
Problem
Building management systems (BMS) face challenges in efficiently managing and controlling building equipment and spaces due to the complexity of integrating various systems and the need for real-time adaptation to changes in configurations and conditions.
Innovation Solution
A BMS that includes circuits capable of invoking control strategies, querying equipment and points associated with changes, and automatically modifying values or operating equipment to execute these strategies, ensuring seamless integration and adaptive control across different building systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual configuration and control of building equipment is used, then system complexity is reduced, but productivity and response time to configuration changes deteriorate
Solution Approach 1:
The system automatically detects configuration changes in building equipment and self-adjusts control strategies without manual intervention. The BMS autonomously queries affected equipment, identifies impacted points, and modifies control parameters, enabling the system to serve itself in responding to configuration changes.
Solution Approach 2:
The system performs preliminary configuration by pre-defining equipment templates with associated points and control strategies. When configuration changes occur, the system has pre-established knowledge structures to quickly identify and respond to affected elements, reducing response time.
2Productivity
If automated control strategies are implemented, then productivity and energy efficiency improve, but device complexity increases
Solution Approach 1:
The BMS implements universal equipment templates that can represent multiple types of building equipment with standardized interfaces. These templates define common points and control strategies that can be applied across different equipment types, reducing the need for complex custom control logic while maintaining automated energy management capabilities.
Solution Approach 2:
The system uses equipment templates as intermediaries between the control system and actual building equipment. The templates abstract the complexity of individual equipment configurations, providing a standardized layer that simplifies automated control while maintaining the ability to manage diverse equipment types.
3Reliability
If real-time monitoring and automatic adjustment are enabled, then reliability and comfort improve, but use of energy increases
Solution Approach 1:
The system employs periodic polling and event-driven monitoring to detect configuration changes rather than continuous monitoring. Control adjustments are made periodically or triggered by specific events, maintaining operational reliability and comfort while reducing unnecessary energy consumption from constant system activity.
4Measurement precision
If comprehensive equipment tracking is implemented, then measurement precision improves, but loss of time in processing increases
Solution Approach 1:
The system segments the building equipment into hierarchical groups and templates, organizing equipment by type, location, and function. This segmentation allows the BMS to efficiently query only relevant equipment and points affected by configuration changes rather than searching through the entire building inventory, maintaining precise tracking while reducing processing time.
Data Source
AI summary
A building management system includes (i) one or more building systems including equipment configured to serve one or more spaces in a building and (ii) one or more circuits. The one or more circuits are configured to receive an input to invoke a control strategy to modify a condition of the one or more spaces; define an output of the control strategy where the output relates to a modification that impacts at least one of a location, an equipment type, or a point type; perform a query to identify one or more points associated with the output where the one or more points are defined in terms of at least one of the location, the equipment type, or the point type; and automatically modify one or more values of the one or more points to implement the control strategy.