Multi-Zone HVAC Damper Control Using Self-Configuring Sensor Framework
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Solution Overview
Problem
Conventional HVAC systems with multi-zone thermostats face challenges in accurately controlling temperature across different zones due to the complexity of configuring multiple sensors and dampers, requiring tedious and skill-intensive setups, and struggling to support arbitrary sensor-damper mappings.
Innovation Solution
A neural network-based control process that generates a matrix to optimize damper positions based on temperature differences between sensor measurements and setpoints, allowing for automatic determination of optimal damper settings without manual configuration, and enabling the use of wireless sensors from various manufacturers through an Android-based plugin framework.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional multi-zone thermostats are used to control HVAC systems, then temperature control capability is provided, but the configuration complexity and skill requirements increase significantly
Solution Approach 1:
The system performs automatic self-configuration by having each sensor and damper report their identifiers to the controller, which automatically builds the mapping relationships without requiring manual setup. The sensor framework automatically manages device discovery, registration, and configuration, eliminating the need for users to manually configure complex multi-zone relationships.
Solution Approach 2:
The sensor framework acts as an intermediary layer between the physical sensors/dampers and the control logic. This framework abstracts the complexity by providing standardized interfaces and automatic device management, allowing the control system to operate without directly managing the complex relationships between multiple sensors and dampers.
2Manufacturing precision
If manual configuration of sensor-damper mappings is required, then precise control can be achieved, but the setup process becomes tedious and skill-intensive
Solution Approach 1:
The system automatically establishes sensor-damper mappings through self-service configuration. Each sensor and damper autonomously reports its identity and capabilities to the controller, which then automatically creates the appropriate control relationships. This eliminates the time-consuming manual configuration process while maintaining precise control capabilities through automatic device discovery and registration.
Solution Approach 2:
The system performs preliminary automatic configuration actions during system initialization, including device discovery, identifier assignment, and mapping creation. By completing these configuration tasks automatically before operation begins, the system eliminates the need for manual setup while ensuring precise control relationships are established from the start.
3Adaptability or versatility
If arbitrary sensor-damper mappings are not supported, then system configuration is simplified, but the system cannot adapt to different zone configurations
Solution Approach 1:
The sensor framework provides universal support for arbitrary sensor-damper mappings by implementing a standardized plug-and-play interface. The system can accommodate any configuration of sensors and dampers across multiple zones without requiring specialized setup procedures. The automatic device discovery and registration mechanisms enable the system to adapt to any zone configuration while maintaining a unified control approach.
Solution Approach 2:
The system dynamically adapts to different sensor-damper configurations through automatic device discovery and registration. When new sensors or dampers are added to the system, they are automatically detected, registered, and integrated into the appropriate zones. This dynamic adaptation capability allows the system to support arbitrary mappings without increasing operational complexity, as the configuration is established automatically based on the actual physical arrangement.
Data Source
AI summary
Systems and methods for smart multi-zone control are provided. The system can include a plurality of sensors, a plurality of dampers, and a controller. The plurality of sensors can be configured to sense temperatures of a plurality of zones. The plurality of dampers can be configured to control the temperatures of the plurality of zones. The controller can be configured to obtain a first array associated with the plurality of sensors. Each element in the first array can represent a difference between a measurement value of a respective sensor and a setpoint associated with the respective sensor. The controller can be configured to obtain a second array associated with the plurality of dampers. Each element in the second array can represent a damper position of a respective damper. The controller can be configured to determine values of entries of a matrix using the first array and the second array.