Results 51 to 60 of about 8,974 (264)

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

Advanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi, Hadi Moutablaleh, Ignatius A. Setiawan, Mehrshad Mehrpouya   +3 more
wiley   +1 more source

Integration of OpenCV‐Based Microscopic Adhesive Volume Measurement Into a Pyiron Workflow for Automated Data Analysis

Advanced Engineering Materials, EarlyView.
Residual adhesive after electrode loading in adhesive‐assisted resistance spot welding is quantified through a traceable experimental‐to‐digital workflow. Chromatic confocal topography provides calibrated surface‐height data, while OpenCV detects the electrode imprint and integrates adhesive height into comparable volume metrics.
Sung‐Min Wi, Jiangdong Zhao
wiley   +1 more source

Novel glassbox based explainable boosting machine for fault detection in electrical power transmission system.

PLoS ONE
The reliable operation of electrical power transmission systems is crucial for ensuring consumer's stable and uninterrupted electricity supply. Faults in electrical power transmission systems can lead to significant disruptions, economic losses, and ...
Iqra Akhtar, Shahid Atiq, Muhammad Umair Shahid, Ali Raza, Nagwan Abdel Samee, Maali Alabdulhafith   +5 more
doaj   +1 more source

Automatic vibration fault detection of coal mine explosion-proof electrical equipment based on One-Class Support Vector Machine

Gong-kuang zidonghua
The vibration generated by explosion-proof electrical equipment in coal mines during operation can compromise its mechanical integrity, leading to fastener loosening, component wear, and changes in the structure and vibration modes of the equipment. This
ZHENG Tiehua, WANG Fei, ZHAO Gelan, DU Chunhui   +3 more
doaj   +1 more source

Effect of Multiple Faults and Fault Severity on Gearbox Fault Detection in a Wind Turbine using Electrical Current Signals

Chemical Engineering Transactions, 2013
Fault diagnosis of localized defects in motor bearings using electrical current signal analysis has previously been reported in the literature. An extension of this concept is the detection of faults in mechanical components influencing the operation of ...
R.K. Sreenilayam Raveendran, M.H. Azarian, N.H. Kim, M.G. Pecht   +3 more
doaj   +1 more source

Smart Electric Fault Detection and Protection

International Research Journal on Advanced Engineering and Management (IRJAEM)
Power transformers are critical components in electricity distribution networks, and their failure can cause blackouts and hazards to public safety. This paper proposes a low-cost real-time fault detection and protection device that continuously monitors transformer voltage and current against a nominal 230 V reference.
null Mrs. Namita Kothali, null Ms. Pournima R. Patil, null Mr. Vitrag Ankalkhope, null Mr. Prajwal Karajange   +3 more
openaire   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

Advanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt, Yong Chen, Georg Hasemann, Benjamin Wahlmann, Carolin Körner, Manja Krüger   +5 more
wiley   +1 more source

Quasi-single phase permanent fault identification method and reclosing strategy based on multi-level confidence rules

International Journal of Electrical Power & Energy Systems
As global temperatures rise, the frequency of lightning increases, making lightning one of the principal threats to power-system security. Field incidents indicate that, within the automatic reclosing time window, multiple-stroke lightning can exhibit ...
Hongchun Shu, Baisong Liu, Weijie Lou, Yutao Tang, Haoming Liu, Yiming Han, Yue Dai, Ying Cao   +7 more
doaj   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

Advanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Fault detection of AC charging piles based on fault dictionary method

Dianzi Jishu Yingyong, 2018
In this paper, according to the characteristics of the electrical components in the AC charging piles, the main fault types in AC charging piles are analyzed in order to diagnose and detect the possible faults.
Jin Yong, Liang Lixin, Liu Tingzhang, Xing Chen   +3 more
doaj   +1 more source