Optimizing HVAC Systems for Energy Efficiency and Comfort: A Scalable and Robust Multi-Zone Control Approach with Uncertainty Considerations
Publication: Computing in Civil Engineering 2023
ABSTRACT
Commercial buildings often face challenges in coordinating heating, ventilation, and air conditioning (HVAC) systems due to varying occupant preferences, resulting in thermal discomfort and energy waste. Balancing comfort and efficiency requires understanding comfort profiles and energy consumption at different temperatures while accounting for uncertain disturbances like outdoor temperatures and extra heat. Furthermore, control algorithms (e.g., model predictive control) are typically computationally expensive, limiting large-scale building applications. To address these challenges, this paper presents a robust HVAC control framework ensuring occupant comfort and energy efficiency despite external disturbances. By solving an optimization problem, the approach determines temperature setpoints that minimize energy usage while maintaining desired comfort probability. Specifically, a probabilistic certificate guarantees long-term comfort under disturbances, and a myopic method enhances computational efficiency. Tested in a 98-room real-world building, the proposed method effectively ensures comfort and energy efficiency, surpassing the baseline model.
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Information & Authors
Information
Published In
Computing in Civil Engineering 2023
Pages: 987 - 995
History
Published online: Jan 25, 2024
ASCE Technical Topics:
- Architectural engineering
- Building systems
- Buildings
- Energy consumption
- Energy efficiency
- Energy engineering
- Energy infrastructure
- Energy sources (by type)
- Engineering fundamentals
- HVAC
- Infrastructure
- Lifeline systems
- Mathematics
- Measurement (by type)
- Probability
- Renewable energy
- Structural engineering
- Structures (by type)
- Temperature effects
- Temperature measurement
- Thermal power
Authors
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