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 …

[HTML][HTML] LoRa-based outdoor localization and tracking using unsupervised symbolization

KZ Islam, D Murray, D Diepeveen, MGK Jones, F Sohel - Internet of Things, 2024 - Elsevier
This paper proposes a long-range (LoRa)-based outdoor localization and tracking method.
Our method presents an unsupervised localization approach that utilizes symbolized LoRa …

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 …

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 …

Linked read technology for assembling large complex and polyploid genomes

A Ott, JC Schnable, CT Yeh, L Wu, C Liu, HC Hu… - BMC genomics, 2018 - Springer
Background Short read DNA sequencing technologies have revolutionized genome
assembly by providing high accuracy and throughput data at low cost. But it remains …

[PDF][PDF] Early Detection of Combustion Instability by Neural-Symbolic Analysis on Hi-Speed Video.

S Sarkar, KG Lore, S Sarkar - CoCo@ NIPS, 2015 - ceur-ws.org
This paper proposes a neural-symbolic framework for analyzing a large volume of
sequential hi-speed images of combustion flame for early detection of instability that is …

Wireless positioning based on hierarchical symbolic dynamic filtering of RSSI time series

FE Oryad, H Amindavar - Signal Processing, 2023 - Elsevier
Hierarchical symbolic dynamic filtering (HSDF) is used in literature for anomaly detection by
unsupervised classification of time series data. This paper proposes a novel wireless …

Energy prediction using spatiotemporal pattern networks

Z Jiang, C Liu, A Akintayo, GP Henze, S Sarkar - Applied Energy, 2017 - Elsevier
This paper presents a novel data-driven technique based on the spatiotemporal pattern
network (STPN) for energy/power prediction for complex dynamical systems. Built on …

Symbolic representation based on trend features for knowledge discovery in long time series

H Yin, S Yang, X Zhu, S Ma, L Zhang - Frontiers of Information Technology …, 2015 - Springer
The symbolic representation of time series has attracted much research interest recently.
The high dimensionality typical of the data is challenging, especially as the time series …

Dynamic data-driven identification of battery state-of-charge via symbolic analysis of input–output pairs

Y Li, P Chattopadhyay, A Ray - Applied Energy, 2015 - Elsevier
This paper presents a dynamic data-driven method of pattern classification for identification
of the state-of-charge (SOC) parameter in battery systems for diverse applications (eg, plug …