Results 91 to 100 of about 33,426 (207)

AI in HVAC fault detection and diagnosis: A systematic review

Energy Reviews
Recent studies show that artificial intelligence (AI), such as machine learning and deep learning, models can be adopted and have advantages in fault detection and diagnosis for building energy systems.
Jian Bi, Hua Wang, Enbo Yan, Chuan Wang, Ke Yan, Liangliang Jiang, Bin Yang   +6 more
doaj   +1 more source

Enduring medial perforant path short-term synaptic depression at high pressure

Frontiers in Cellular Neuroscience, 2010
The high pressure neurological syndrome develops during deep diving (> 1.1 MPa) involving impairment of cognitive functions, alteration of synaptic transmission and increased excitability in cortico-hippocampal areas.
Adolfo E Talpalar, Adolfo E Talpalar, Michele Giugliano, Michele Giugliano, Yoram Grossman   +4 more
doaj   +1 more source

Fractal Dimension Distributions of Resting-State Electroencephalography (EEG) Improve Detection of Dementia and Alzheimer’s Disease Compared to Traditional Fractal Analysis

Clinical and Translational Neuroscience
Across many resting-state electroencephalography (EEG) studies, dementia is associated with changes to the power spectrum and fractal dimension. Here, we describe a novel method to examine changes in the fractal dimension over time and within frequency ...
Keith J. Yoder, Geoffrey Brookshire, Ryan M. Glatt, David A. Merrill, Spencer Gerrol, Colin Quirk, Ché Lucero   +6 more
doaj   +1 more source

Simplified FDD Process Model [PDF]

International Journal of Modern Education and Computer Science, 2017
Zahid Nawaz, Shabib Aftab, Faiza Anwer
openaire   +1 more source

Domain Generalized Open-Set Fault Detection and Diagnosis for Belt Conveyor Systems With Prototype Learning

IEEE Access
Belt conveyor systems are essential across various industries but are prone to faults due to their distinctive design and challenging operational environments. Various approaches have been explored for fault detection and diagnosis (FDD) in belt conveyor
Jinyou Kim, Ilkyu Yi, Young-Joo Suh
doaj   +1 more source

FDD Massive MIMO Without CSI Feedback

IEEE Transactions on Wireless Communications
Transmitter channel state information (CSIT) is indispensable for the spectral efficiency gains offered by massive multiple-input multiple-output (MIMO) systems. In a frequency-division-duplexing (FDD) massive MIMO system, CSIT is typically acquired through downlink channel estimation and user feedback, but as the number of antennas increases, the ...
Deokhwan Han, Jeonghun Park, Namyoon Lee
openaire   +2 more sources

External PIM Modeling in FDD MIMO

IEEE Access
In this paper, a physical approach is proposed to describe external (air-induced) passive intermodulation (PIM) for a frequency-division duplexing (FDD) multiple-input multiple-output (MIMO) system with an arbitrary number of transceiver chains. It is caused by metallic objects with nonlinear characteristics (“rusty bolt” effect) located ...
Stanislav Krikunov, Viacheslav Zemlyakov, Andrey Ivanov   +2 more
openaire   +2 more sources

Can We Apply Statistical Laws to Small Systems? the Cerium Atom

, 1997
It is shown that statistical mechanics is applicable to quantum systems with finite numbers of particles, such as complex atoms, atomic clusters, etc., where the residual two-body interaction is sufficiently strong. This interaction mixes the unperturbed
Flambaum, V. V., Gribakin, G. F., Gribakina, A. A., Ponomarev, I. V.   +3 more
core   +1 more source

A Multi-Source Data-Driven Fault Detection and Diagnosis Method for Pumps

Energies
Fault detection and diagnosis (FDD) in pumps is crucial for building energy management by detecting the abnormal operation status, increasing the service life of equipment, and enhancing the energy performance of buildings. Most FDD methods predominantly
Jiefan Gu, Hongming Li, Chunlin Gong, Hengsheng Jia, Wei Luo, Peng Xu, Linxue Li, Kan Chen, Leqi Zhu, Renrong Ding   +9 more
doaj   +1 more source

Winter soil temperature varies with canopy cover in Siberian larch forests

Environmental Research Letters
In the Arctic, winter soil temperatures exert strong control over mean annual soil temperature and winter CO _2 emissions. In tundra ecosystems there is evidence that plant canopy influences on snow accumulation alter winter soil temperatures.
Michael M Loranty, Heather D Alexander, Sergey P Davydov, Alexander L Kholodov, Heather Kropp, Michelle C Mack, Susan M Natali, Nikita S Zimov   +7 more
doaj   +1 more source