Results 21 to 30 of about 8,060,774 (279)

Prediction of Ultimate Bearing Capacity of Long-Term Loaded Piles

Shanghai Jiaotong Daxue xuebao, 2021
To predict the ultimate bearing capacity of long-term loaded piles, the shortcomings of current empirical formulas of pile bearing capacity considering time effect are discussed.
LI Jingpei, XU Zihan
doaj   +1 more source

Bearing Voltage Prediction-Based Selective NLM Correction for EDM Suppression in Marine MMC Propulsion Drives

Journal of Marine Science and Engineering
Bearing damage caused by electric discharge machining (EDM) is a concern in electric ship propulsion drives, particularly during low-speed operations such as maneuvering and slow steaming.
Sungwoo Song, Heemoon Kim, Jongsu Kim, Seongwan Kim, Hyeonmin Jeon   +4 more
doaj   +1 more source

Suppression of Harmonic Current in Magnetic Bearing–Rotor System with Redundant Structure

Applied Sciences, 2022
The magnetic bearing–rotor system has the advantages of no mechanical friction and active vibration control. A magnetic bearing with redundant structures provides an effective method to apply fault-tolerant control to the magnetic bearing–rotor system ...
Baixin Cheng, Xin Cheng, Shao Song, Rougang Zhou, Shuai Deng   +4 more
doaj   +1 more source

Current-Based Bearing Fault Diagnosis Using Deep Learning Algorithms

Energies, 2021
Artificial intelligence algorithms and vibration signature monitoring are recurrent approaches to perform early bearing damage identification in induction motors.
Andre S. Barcelos, Antonio J. Marques Cardoso   +1 more
doaj   +1 more source

Detection and Diagnosis of Rolling Element Bearing Faults Using Time Encoded Signal Processing and Recognition [PDF]

This thesis presents a systematic study of using TESPAR (Time Encoded Signal Processing and Recognition), which presently is in use as an effective tool for speech recognition and shows great advantages in computational demands and accuracy, to develop a
Abdusslam, Shukri Ali
core   +3 more sources

The Hard on Hard Bearings in THA – Current concepts [PDF]

Journal of Orthopaedics, 2014
Total hip arthroplasty has been one of the most successful inventions of the last century with useful results in decreasing pain and improving function in patients with degenerative disease of the hip. Improvements in prosthetic materials, designs and implant fixation have now resulted in wear of the bearing surface being the limitation of this ...
openaire   +2 more sources

Review on Tribological and Vibration Aspects in Mechanical Bearings of Electric Vehicles: Effect of Bearing Current, Shaft Voltage, and Electric Discharge Material Spalling Current

Lubricants
Electric motors play a decisive role in electric vehicles by converting electrical energy into mechanical motion across various drivetrain components.
Rohan Lokhande, Sitesh Kumar Mishra, Deepak Ronanki, Piyush Shakya, Vimal Edachery, Lijesh Koottaparambil   +5 more
doaj   +1 more source

An Overview on Electrodynamic Bearings

IEEE Access, 2022
In electrodynamics, the levitation ensues when there is a relative motion between a stator and a conductor owing to which high eddy currents are induced.
Supreeth D. K., Siddappa I. Bekinal, Shivamurthy Rokkad Chandranna   +2 more
doaj   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan, Michael Abele, Calogero Virgone, Michaela Kuhlen, Ricardo Lopez‐Almarez, Tal Ben‐Ami, Ewa Bien, Maja Cesen, Malgorzata A. Krawczyk, Andrea Ferrari, Gianni Bisogno, Yves Reguerre, Dominik T. Schneider, Louise Galmiche, Jorg Fuchs, Sarah Braungart, Bilgehan Yalcin, Ines B. Brecht, Daniel Orbach   +18 more
wiley   +1 more source

Mitigation of Electrical Discharge Damage in Electric Vehicle Bearings: Comparative Study of Multi-Walled Carbon Nanotubes and Alumina Nanoparticles in Lubricating Grease

Vehicles
The electrified environments encountered in electric vehicles (EVs) in terms of parasitic currents present significant challenges for the performance of EV bearings and their lubricants. This study investigates the effectiveness of various concentrations
Emmanuel R. Jonjo, Islam Ali, Tamer F. Megahed, Mohamed G. A. Nassef   +3 more
doaj   +1 more source