[HTML][HTML] Knowledge discovery by analyzing the state of the art of data-driven fault detection and diagnostics of building HVAC

A Hosseini Gourabpasi, M Nik-Bakht - CivilEng, 2021 - mdpi.com
The automated fault detection and diagnostics (AFDD) of heating, ventilation, and air
conditioning (HVAC) using data mining and machine learning models have recently …

A novel simulation-based framework for sensor error impact analysis in smart building systems: A case study for a demand-controlled ventilation system

X Lu, Z O'Neill, Y Li, F Niu - Applied Energy, 2020 - Elsevier
Sensors are one of the fundamental components for sensor-rich controls in buildings but are
prone to different errors. Existing studies show that sensor errors hold a place among top …

[HTML][HTML] A method for fault detection and diagnostics in ventilation units using virtual sensors

CG Mattera, J Quevedo, T Escobet, HR Shaker, M Jradi - Sensors, 2018 - mdpi.com
Buildings represent a significant portion of global energy consumption. Ventilation units are
complex components, often customized for the specific building, responsible for a large part …

[HTML][HTML] Representing small commercial building faults in energyplus, Part I: Model development

J Kim, S Frank, JE Braun, D Goldwasser - Buildings, 2019 - mdpi.com
Small commercial buildings (those with less than approximately 1000 m2 of total floor area)
often do not have access to cost-effective automated fault detection and diagnosis (AFDD) …

[HTML][HTML] Multivariate features extraction and effective decision making using machine learning approaches

S Gharsellaoui, M Mansouri, SS Refaat, H Abu-Rub… - Energies, 2020 - mdpi.com
Fault Detection and Isolation (FDI) in Heating, Ventilation, and Air Conditioning (HVAC)
systems is an important approach to guarantee the human safety of these systems …

Systematic analysis method of sensor and actuator faults propagation and impacts for optimally controlled complex building chilled water systems

J Ji, Y Sun, D Gao, Z Cui - Journal of Building Engineering, 2023 - Elsevier
The effectiveness of the commonly used optimal control strategy of a secondary chilled
water system usually suffers from the health conditions of numerous sensors and actuators …

Fault detection in ventilation units using dynamic energy performance models

CG Mattera, M Jradi, MR Skydt, SS Engelsgaard… - Journal of Building …, 2020 - Elsevier
Buildings systems are one of the world's largest energy consumer, and their faults often
cause energy waste and occupants discomfort. In this paper, we propose a model-based …

[HTML][HTML] Fault isolability analysis and optimal sensor placement for fault diagnosis in smart buildings

MES Trothe, HR Shaker, M Jradi, K Arendt - Energies, 2019 - mdpi.com
Faults and anomalies in buildings are among the main causes of building energy waste and
occupant discomfort. An effective automatic fault detection and diagnosis (FDD) process in …

[HTML][HTML] The Importance of Lifecycle Refrigerant Management in Climate and Ozone Protection

P Purohit, T Chao, R Cooke, H Dhont, R Kaur… - Sustainability, 2024 - mdpi.com
Hydrofluorocarbons (HFCs) are widely used in refrigeration, air conditioning, heat pumps
(RACHP), and various other applications such as aerosols, fire extinguishers, foams, and …

A survey of failure mechanisms and statistics for critical electrical equipment in buildings

R Chandra, GNB Yadav… - IECON 2020 the …, 2020 - ieeexplore.ieee.org
Air-conditioning and mechanical ventilation (ACMV), power distribution systems, elevators,
and lighting systems are critical electrical assets of a smart building. Based on electrical …