Occupancy-based HVAC control systems in buildings: A state-of-the-art review

M Esrafilian-Najafabadi, F Haghighat - Building and Environment, 2021‏ - Elsevier
Intelligent buildings have drawn considerable attention due to rapid progress in
communication and information technologies. These buildings can utilize current and …

Introducing IEA EBC annex 79: Key challenges and opportunities in the field of occupant-centric building design and operation

W O'Brien, A Wagner, M Schweiker, A Mahdavi… - Building and …, 2020‏ - Elsevier
Despite the fact that buildings are designed for occupants in principle, evidence suggests
buildings are often uncomfortable compared to the requirements of standards; difficult to …

A review of the digital twin technology in the AEC‐FM industry

HH Hosamo, A Imran… - Advances in civil …, 2022‏ - Wiley Online Library
The Architecture, Engineering, Construction, and Facility Management (AEC‐FM) industry is
increasingly affected by digital technologies that monitor sensor network data and control …

Building occupancy forecasting: A systematical and critical review

Y **, D Yan, A Chong, B Dong, J An - Energy and Buildings, 2021‏ - Elsevier
Indoor environment construction for occupants has high energy consumption; as such,
occupancy plays a noteworthy role in the complete life cycle phase of buildings, including …

Towards self-learning control of HVAC systems with the consideration of dynamic occupancy patterns: Application of model-free deep reinforcement learning

M Esrafilian-Najafabadi, F Haghighat - Building and Environment, 2022‏ - Elsevier
This study proposes a self-learning control system that aims to learn occupancy profiles,
building energy consumption patterns, and lag-time of the heating, ventilation, and air …

Impact of occupancy prediction models on building HVAC control system performance: Application of machine learning techniques

M Esrafilian-Najafabadi, F Haghighat - Energy and buildings, 2022‏ - Elsevier
This paper analyzes the impact of using different types of occupancy prediction models on
the performance of occupancy-based heating, ventilation, and air conditioning (HVAC) …

Transfer learning for occupancy-based HVAC control: A data-driven approach using unsupervised learning of occupancy profiles and deep reinforcement learning

M Esrafilian-Najafabadi, F Haghighat - Energy and Buildings, 2023‏ - Elsevier
Abstract Model-free heating, ventilation, and air conditioning (HVAC) control systems have
demonstrated promising potential for adjusting indoor setpoint temperature based on …

Impact of predictor variables on the performance of future occupancy prediction: Feature selection using genetic algorithms and machine learning

M Esrafilian-Najafabadi, F Haghighat - Building and Environment, 2022‏ - Elsevier
This study analyzes the impact of employing different features on the performance of future
occupancy prediction models. The aim is to identify the most effective predictor variables for …

Occuspace: Towards a robust occupancy prediction system for activity based workplace

MS Rahaman, H Pare, J Liono, FD Salim… - 2019 IEEE …, 2019‏ - ieeexplore.ieee.org
Workplace occupancy detection is becoming increasingly important in large Activity Based
Work (ABW) environments as it helps building and office management understand the …

Designing learned CO2 ‐based occupancy estimation in smart buildings

C Brennan, GW Taylor… - IET Wireless Sensor …, 2018‏ - Wiley Online Library
Many applications, such as smart buildings, crowd flow, action recognition, and assisted
living, rely on occupancy information. Although the use of smart cameras and computer …