HVAC Treemap Visualization for Building Performance Analysis
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Solution Overview
Problem
Energy analysts face challenges in analyzing commercial building HVAC systems due to data overload, difficulty in comparing equipment performance, and lack of context for data, which hinders effective energy conservation measure recommendations.
Innovation Solution
An interactive visualization environment with a treemap, graph pane, and filtering capabilities that allow for hierarchical data presentation, selection of specific components, and dynamic filtering, enabling energy analysts to contextualize and visualize data effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional data analysis methods are used for HVAC systems, then domain knowledge expertise is required for effective analysis, but this increases the complexity and time required for energy conservation measure recommendations
Solution Approach 1:
The system performs automated reasoning and analysis without requiring expert domain knowledge. The visualization environment automatically processes HVAC data, identifies patterns, and generates insights, allowing energy analysts to obtain results without extensive specialized training or manual intervention in complex analysis procedures
Solution Approach 2:
The patent replaces manual expert analysis with an automated computational system. The visualization tool substitutes human domain expertise with algorithmic processing and automated reasoning capabilities, transforming the analysis process from a knowledge-intensive manual task to an automated information processing system
2Loss of information
If comprehensive HVAC system data is collected for analysis, then complete information is available, but data overload makes it difficult to identify key performance issues
Solution Approach 1:
The visualization environment extracts and highlights only the most relevant performance indicators and anomalies from the comprehensive HVAC data set. The system automatically identifies key performance issues and presents them in the visualization interface, filtering out unnecessary details while maintaining access to the complete underlying data set for thorough analysis
Solution Approach 2:
The patent employs color-coded visual indicators to represent different performance states and anomaly severities. The visualization system uses color variations to immediately convey the significance and type of performance issues, allowing analysts to quickly prioritize and address critical problems without wading through voluminous raw data
3Measurement precision
If detailed equipment performance data is presented, then comprehensive analysis is possible, but it becomes difficult to compare equipment across different contexts
Solution Approach 1:
The visualization environment provides a unified interface that can display and compare diverse HVAC equipment types using standardized visual representations. The system maintains detailed equipment-specific data while presenting it through consistent visualization templates, enabling meaningful comparisons across different equipment types, locations, and operational contexts
Solution Approach 2:
The patent transforms detailed equipment performance data into visual dimensions within the interface. By representing performance metrics as visual properties (such as size, color intensity, or position in the visualization), the system enables intuitive comparison of equipment across multiple dimensions simultaneously, making it easier to identify performance outliers and patterns
4Reliability
If manual analysis processes are used for energy conservation recommendations, then thorough evaluation is possible, but the process is time-consuming and requires extensive expertise
Solution Approach 1:
The system performs preliminary automated analysis and pre-processing of HVAC data before presenting it to analysts. The visualization environment automatically calculates key performance metrics, identifies potential issues, and organizes data for analysis in advance, reducing the time required for thorough evaluation while maintaining analytical rigor
Solution Approach 2:
The patent implements automated feedback mechanisms that continuously monitor HVAC system performance and provide real-time insights. The system analyzes data streams, detects anomalies, and generates recommendations automatically, enabling thorough evaluation to occur continuously in the background without requiring constant manual intervention, thus reducing overall analysis time while maintaining reliability
Data Source
AI summary
A tool for providing a visualization of a system may reveal an interactive navigation environment for building performance observation and assessment. The tool may be associated with a processor. The environment may incorporate a treemap, a graph pane, a treemap filter, a graph pane selector, a selected units box and a date/time control mechanism. A visualization of the environment, among other things, may be presented on a display. The treemap may exhibit a building geometry and/or equipment units hierarchically, along with some data information. Units may be interactively selected from the treemap and placed in the box for analysis. The graph pane may show a configuration and display of unit analysis. Selection of detailed views for units in the box may be provided by the graph pane selector. Date and time intervals for analysis may be selected by the control mechanism.