State of the art review on the HVAC occupant-centric control in different commercial buildings

G Huang, ST Ng, D Li, Y Zhang - Journal of Building Engineering, 2024 - Elsevier
Heating ventilation and air conditioning (HVAC) systems control that takes occupant
information into account is called HVAC occupant-centric control (OCC), which strikes better …

Building occupancy estimation and detection: A review

Z Chen, C Jiang, L **e - Energy and Buildings, 2018 - Elsevier
Building occupancy is of great importance for energy efficient control of buildings. A large
number of works have been developed for the estimation and detection of building …

Device-free occupancy detection and crowd counting in smart buildings with WiFi-enabled IoT

H Zou, Y Zhou, J Yang, CJ Spanos - Energy and Buildings, 2018 - Elsevier
Precise occupancy information is extremely valuable for energy savings and optimization in
the built environment. Building management systems (BMSs) can automatically turn off the …

A comprehensive review of approaches to building occupancy detection

L Rueda, K Agbossou, A Cardenas, N Henao… - Building and …, 2020 - Elsevier
Detailed occupancy information in buildings is useful to improve the performance of energy
management systems in order to enable energy consumption savings and maintain …

A methodology based on Hidden Markov Models for occupancy detection and a case study in a low energy residential building

LM Candanedo, V Feldheim, D Deramaix - Energy and Buildings, 2017 - Elsevier
This paper presents and evaluates a simple methodology based on Hidden Markov models
for the problem of unsupervised occupancy detection using the open source program R. The …

A framework to identify key occupancy indicators for optimizing building operation using WiFi connection count data

N Alishahi, M Nik-Bakht, MM Ouf - Building and Environment, 2021 - Elsevier
Adapting building systems' operation to occupancy variations can provide significant energy
savings, but this is typically constrained by the unavailability of occupancy information …

Occupancy states forecasting with a hidden Markov model for incomplete data, exploiting daily periodicity

OA Kabbaj, LM Péan, JB Masson, B Marhic… - Energy and …, 2023 - Elsevier
To automatize HVAC energy savings in buildings, it is useful to forecast the occupants'
behaviour. This article deals with such a forecasting problem by exploiting the daily …

[HTML][HTML] Enhancing real-time nonintrusive occupancy estimation in buildings via knowledge fusion network

C Lu - Energy and Buildings, 2024 - Elsevier
Real-time nonintrusive occupancy estimation can maximize the use of existing sensors to
infer occupant information in buildings with the advantages of fewer privacy concerns and …

Resident behavior detection model for environment responsive demand response

K Baek, E Lee, J Kim - IEEE Transactions on Smart Grid, 2021 - ieeexplore.ieee.org
Due to emerging environmental problems from fossil fuel usage and increasing renewable
energy resources in microgrids, the need of demand response (DR) is intensified to stabilize …

[HTML][HTML] Occupancy estimation with environmental sensors: the possibilities and limitations

S Chitnis, N Somu, A Kowli - Energy and Built Environment, 2025 - Elsevier
Occupancy detection and estimation in buildings paves the way to improve the utilization of
lighting and HVAC systems, induce energy savings and enhance the well-being of the …