Results 31 to 40 of about 78,798 (261)

Magnetization Estimation Technique of Permanent Magnets Loaded on Rotor of IPMSM Using Actual Measurement Value of Leakage Flux

IEEE Access
The production of mass-produced permanent magnet synchronous motors (PMSMs) includes a post-assembly magnetization process. Given that the performance of PMSMs is contingent upon the magnetization quality of the permanent magnets (PMs), the estimation of
Narichika Nakamura, Masahide Shioyama, Yoshifumi Okamoto   +2 more
doaj   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

Advanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan, Shuvra Saha, Sumit Hassan Eshan, Rinku Basak, Md. Nahian Al Subri Ivan, Ahmed Murtuza Saleque, Raja Tariqul Hasan Tusher, Sadia Zabin, Md. Abdur Rahman, Yuen Hong Tsang   +9 more
wiley   +1 more source

Vector magnetic circuit analysis of silicon steel sheet parameters under different frequencies for electrical machines

IET Electric Power Applications
Silicon steel sheets (SSSs), serving as the principal constituent of the magnetic circuit in electric machines, necessitates precise modelling and accurate computation using magnetic circuit theory as a prerequisite for analysing the characteristics of ...
Wei Qin, Ming Cheng, Zheng Wang, Peng Han, Xinkai Zhu, Wei Hua   +5 more
doaj   +1 more source

An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials

Advanced Engineering Materials, EarlyView.
An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut, Pierre Le Berre, Hamdi Jaballah, Lukas Fink, Victor Poline, Richard Haettel, Stéphane Grenier, Gilbert Chahine, Ewen Bellec, Guillaume Buatier, Wilfried Hortschitz, Santa Pile, Thomas Schrefl, Nils Blanc, Yuan Hong, Thibaut Devillers, Nora M. Dempsey   +16 more
wiley   +1 more source

Permanent Magnet Brushless DC Motor and Mechanical Structure Design for the Electric Impact Wrench System

Energies, 2018
This paper presents an analytical method to design an interior permanent magnet brushless DC electric motor (IPMBLDC motor) for a kind of electric impact wrench used for loading and unloading car bolts.
Chengyuan He, Thomas Wu
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

Comparative evaluation of a deep learning method QNet and LCModel for MRS quantification on the cloud computing platform CloudBrain-MRS

BMC Medical Imaging
Objectives Reliable magnetic resonance (MR) spectroscopy (MRS) quantification is key to accurate clinical diagnosis. This study aimed to statistically compare the metabolite quantification of human brain MRS between the deep learning method QNet and the ...
Meijin Lin, Lin Guo, Dicheng Chen, Jianshu Chen, Zhangren Tu, Xu Huang, Jianhua Wang, Ji Qi, Yuan Long, Zhiguo Huang, Di Guo, Xiaobo Qu, Haiwei Han   +12 more
doaj   +1 more source

Assessing noise and vibration mitigation in low-vibroacoustic shunt reactors

Cogent Engineering
Reactors produce noise that negatively impacts the environment during their operation. This study focused on vibration and noise reduction in shunt oil reactors through an enhanced design, aiming to mitigate these environmental consequences. Additionally,
Tazhibayev Adіlbek, Utepbergenov Irbulat, Amіtov Yernar, Ateyev Dauirbek   +3 more
doaj   +1 more source

Measurement of electromagnetic environment of hybrid DC circuit breaker during bipolar short circuit fault

Energy Reports, 2022
Hybrid DC circuit breakers (DCBs) have recently been used to break short-circuit fault currents to ensure safety in flexible DC transmission projects. However, electromagnetic transients from DCB operation can interfere with the secondary equipment and ...
Zihan Teng, Weijiang Chen, Jun Zhao, Jiangong Zhang, Zheyuan Gan, Kejie Li   +5 more
doaj   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source