A review of data-driven fault detection and diagnostics for building HVAC systems

Z Chen, Z O'Neill, J Wen, O Pradhan, T Yang, X Lu… - Applied Energy, 2023 - Elsevier
With the wide adoption of building automation system, and the advancement of data,
sensing, and machine learning techniques, data-driven fault detection and diagnostics …

Using discrete Bayesian networks for diagnosing and isolating cross-level faults in HVAC systems

Y Chen, J Wen, O Pradhan, LJ Lo, T Wu - Applied Energy, 2022 - Elsevier
Fault detection and diagnosis (FDD) technologies are critical to ensure satisfactory building
performance, such as reducing energy wastes and negative impacts on occupant comfort …

A labeled dataset for building HVAC systems operating in faulted and fault-free states

J Granderson, G Lin, Y Chen, A Casillas, J Wen… - Scientific data, 2023 - nature.com
Open data is fueling innovation across many fields. In the domain of building science,
datasets that can be used to inform the development of operational applications-for example …

Priori knowledge-based deep reinforcement learning control for fan coil unit system

Y Zhang, X Chen, Q Fu, J Chen, Y Wang, Y Lu… - Journal of Building …, 2024 - Elsevier
Controlling the water pump and fan in the heating, ventilation and air-conditioning (HVAC)
system is crucial for achieving optimal performance of the fan coil unit (FCU) systems. In this …

Experimental assessment of ground-truth faults in a typical single-duct dual-fan air-handling unit under Mediterranean climatic conditions: Impact scenarios of sensors' …

A Rosato, F Guarino, M El Youssef, A Capozzoli… - Energy and …, 2022 - Elsevier
Abstract Data-driven Automated Fault Detection and Diagnosis (AFDD) is the automated
process of detecting deviations (faults) from normal operation and diagnosing the type of …

[HTML][HTML] A portable application framework for energy management and information systems (EMIS) solutions using Brick semantic schema

R Chiosa, MS Piscitelli, M Pritoni, A Capozzoli - Energy and Buildings, 2024 - Elsevier
This paper introduces a portable framework for developing, scaling and maintaining energy
management and information systems (EMIS) applications using an ontology-based …

A novel evaluation method of measurement sensitivities on common faults in VAV HVAC systems

Y Chen, Z Chen, G Lin, Y Zhang, S Ye - Building and Environment, 2024 - Elsevier
Today, a high volume of operation interval data can be efficiently captured by a diverse
range of measurements including sensors, control signals and meters, deployed in building …

Faulty operation of coils' and humidifier valves in a typical air-handling unit: experimental impact assessment of indoor comfort and patterns of operating parameters …

A Rosato, F Guarino, M El Youssef, A Capozzoli… - Energies, 2022 - mdpi.com
Data-driven Automated Fault Detection and Diagnosis (AFDD) are recognized as one of the
most promising options to improve the efficiency of Air-Handling Units (AHUs). In this study …

[HTML][HTML] Applying OPTICS with and without PCA for fault detection of fan coil units using building automation system data

F Rajabi, JJ McArthur - Energy and Buildings, 2024 - Elsevier
Abstract In building operations, Heating, Ventilation, and Air Conditioning (HVAC) system
faults lead to substantial energy waste. Due to the rapid growth in the availability of sensing …

[HTML][HTML] Expert knowledge data-driven based actor–critic reinforcement learning framework to solve computationally expensive unit commitment problems with …

H Liang, C Lin, A Pang - International Journal of Electrical Power & Energy …, 2024 - Elsevier
With the expansion of power grid, unaffordable computational cost and time will pose
serious challenges of time-efficient scheduling in unit commitment problem (UCP). However …