Results 21 to 30 of about 1,096,011 (342)

Finite-time stability of set switched systems with non-instantaneous impulses

open access: yesApplied Mathematics in Science and Engineering, 2022
In this paper, we discuss the finite-time stability of set switched systems with non-instantaneous impulses which consist of stable and unstable subsystems through introducing a revised mode-dependent average dwell time method.
Peiguang Wang, Mengyu Guo, Junyan Bao
doaj   +1 more source

The impact of different corona models on FD algorithms for the solution of multiconductor transmission lines equations

open access: yesHigh Voltage, 2021
In this study, the implementation of different corona discharge models in a transient program for overhead multiconductor lines based on the implicit Crank‐Nicolson Finite Difference Time Domain method is presented.
Erika Stracqualursi   +2 more
doaj   +1 more source

Morlet Wavelet UDWT Denoising and EMD based Bearing Fault Diagnosis [PDF]

open access: yesElectronics, 2013
Bearing Faults in rotating machinery occur as low energy impulses in their vibration signal and are lost in the noise. This signal has to be properly denoised before analyzing for effective condition monitoring.
A. Santhana Raj, N. Murali
doaj   +1 more source

Investigations on the Performance of a New Grounding Device with Spike Rods under High Magnitude Current Conditions

open access: yesEnergies, 2019
In many publications, the characteristics of practical earthing systems were investigated under conditions involving fast-impulse currents of different magnitudes by field measurements.
Abdul Wali Abdul Ali   +4 more
doaj   +1 more source

KARLA

open access: yes, 2021
KARLA (HD video, 34:45 min, Omer Fast 2020) Followed by a discussion with the artist Omer Fast moderated by Cristina Baldacci and Claudia Peppel KARLA is based on a conversation with a content moderator for the world’s largest online video sharing ...
Omer Fast
core   +1 more source

Free and Wire-Guided Spark Discharges in Water: Pre-Breakdown Energy Losses and Generated Pressure Impulses

open access: yesEnergies, 2023
Impulsive underwater discharges have been investigated for many decades, yet the complex pre-breakdown processes that underpin their development are not fully understood.
Yifan Chai   +4 more
doaj   +1 more source

FAST-HEP/fast-curator: Version 0.8.1

open access: yes, 2022
What's Changed dropping python 2 and python 3.6 by @kreczko in https://github.com/FAST-HEP/fast-curator/pull/46 Full Changelog: https://github.com/FAST-HEP/fast-curator/compare/v0.8.0...0.8.
seriksen   +3 more
core   +1 more source

Respiratory brain impulse propagation in focal epilepsy

open access: yesScientific Reports, 2023
Respiratory brain pulsations pertaining to intra-axial hydrodynamic solute transport are markedly altered in focal epilepsy. We used optical flow analysis of ultra-fast functional magnetic resonance imaging (fMRI) data to investigate the velocity ...
Ahmed Elabasy   +9 more
doaj   +1 more source

A Novel Power Transformer Condition Monitoring System Based on Wide-Band Measurement of Core Earth Signals and Correlation Analysis With Multi-Source Data

open access: yesIEEE Access, 2019
On-line condition monitoring and real-time fault detection are essential to protect power transformers from unscheduled outage of services. The core earth signals (CES) are valuable for fault detection and diagnosis of power transformers, as they are ...
Xuezhi Ke   +3 more
doaj   +1 more source

fast-aircraft-design/FAST-OAD: v1.5.0

open access: yes, 2023
Added: Computation of payload-range data. (#471 and #482) Payload-range plot. (#480) Time-step simulation of takeoff in mission module (#481, #484, #487, #490) Introduced concept of macro-segment, for proposing assembly of several segments as one usable
Florent LUTZ   +5 more
core   +1 more source

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