Ten questions concerning occupant health in buildings during normal operations and extreme events including the COVID-19 pandemic

M Awada, B Becerik-Gerber, S Hoque, Z O'Neill… - Building and …, 2021 - Elsevier
Even before the COVID-19 pandemic, people spent on average around 90% of their time
indoors. Now more than ever, with work-from-home orders in place, it is crucial that we …

Anomaly detection and fault disambiguation in large flight data: A multi-modal deep auto-encoder approach

KK Reddy, S Sarkar, V Venugopalan… - Annual conference of …, 2016 - papers.phmsociety.org
Flight data recorders provide large volumes of heterogeneous data from arrays of sensors
on-board to perform fault diagnosis. Challenges such as large data volumes, lack of labeled …

An unsupervised spatiotemporal graphical modeling approach for wind turbine condition monitoring

W Yang, C Liu, D Jiang - Renewable energy, 2018 - Elsevier
The vast installment of wind turbines and the development of condition monitoring system
provides large amounts of operational data for condition monitoring and health …

Multivariate exploration of non-intrusive load monitoring via spatiotemporal pattern network

C Liu, A Akintayo, Z Jiang, GP Henze, S Sarkar - Applied Energy, 2018 - Elsevier
Non-intrusive load monitoring (NILM) of electrical demand for the purpose of identifying load
components has thus far mostly been studied using univariate data, eg, using only whole …

Multimodal sensor fusion framework for residential building occupancy detection

SY Tan, M Jacoby, H Saha, A Florita, G Henze… - Energy and …, 2022 - Elsevier
For several years now, smart building energy systems have been a research area of
intensive activity. In light of the increasing need for sustainable buildings and energy …

Dynamic data-driven prediction of instability in a swirl-stabilized combustor

S Sarkar, SR Chakravarthy… - … Journal of Spray and …, 2016 - journals.sagepub.com
Combustion instability poses a negative impact on the performance and structural durability
of both land-based and aircraft gas turbine engines, and early detection of combustion …

Data-driven root-cause fault diagnosis for multivariate non-linear processes

B Rashidi, DS Singh, Q Zhao - Control Engineering Practice, 2018 - Elsevier
In a majority of multivariate processes, propagating nature of malfunctions makes the fault
diagnosis a challenging task. This paper presents a novel data-driven strategy for real-time …

Development of a methodology using artificial neural network in the detection and diagnosis of faults for pneumatic control valves

A Andrade, K Lopes, B Lima, A Maitelli - Sensors, 2021 - mdpi.com
To satisfy the market, competition in the industrial sector aims for productivity and safety in
industrial plant control systems. The appearance of a fault can compromise the system's …

Optimized Fuzzy Slope Entropy: A Complexity Measure for Nonlinear Time Series

Y Li, G Tian, Y Cao, Y Yi, D Zhou - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Entropy has long been a subject that has attracted researchers from a diverse range of
fields, including healthcare, finance, and fault detection. Slope entropy (SE) has recently …

An unsupervised spatiotemporal graphical modeling approach to anomaly detection in distributed cps

C Liu, S Ghosal, Z Jiang… - 2016 ACM/IEEE 7th …, 2016 - ieeexplore.ieee.org
Modern distributed cyber-physical systems (CPSs) encounter a large variety of physical
faults and cyber anomalies and in many cases, they are vulnerable to catastrophic fault …