Results 1 to 10 of about 80,532 (217)

Structural Design and Electromagnetic Performance Analysis of Octupole Active Radial Magnetic Bearing [PDF]

Sensors
This study addresses the challenges of magnetic circuit coupling and control complexity in active radial magnetic bearings (ARMBs) by systematically investigating the electromagnetic performance of four magnetic pole configurations (NNSS, NSNS, NNNN, and
Qixuan Zhu, Yujun Lu, Zhongkui Shao
doaj   +2 more sources

Electromagnetic Performance Analysis of Inhomogeneous Radome Walls Considering Temperature and Ablation

Aerospace, 2023
The radome is an important component of the aircraft seeker. The radome of high-speed aircraft usually has ablation, which affects the electromagnetic performance of the radome.
Yihua Dan, Jian Yang
doaj   +3 more sources

Revealing the role of Ca on the electrochemical properties of Al–Mg–Sn–Ga–Ca alloy as anodes for Al-air batteries

Journal of Materials Research and Technology, 2022
In this paper, we investigated the influence of calcium (Ca) on the electrochemical and corrosion properties of Al–Mg–Sn–Ga alloys in neutral and alkaline electrolytes, respectively.
Haitao Zhang, Xin Dong, Zibin Wu, Hiromi Nagaumi, Dongtao Wang, Cheng Guo, Jing Zou, Donghui Yang   +7 more
doaj   +1 more source

Comparative Research on Four-Phase Dual Armature-Winding Wound-Field Doubly Salient Generator With Distributed Field Magnetomotive Forces for High-Reliability Application

IEEE Access, 2021
In this article, a four-phase dual armature-winding wound-field doubly salient machine with distributed field magnetomotive forces (DAW-WFDSM-DF) and corresponding double-redundant rectifier circuit are proposed to improve the electromagnetic performance
Yao Zhao, Denghui Teng, Dongdong Li, Xing Zhao   +3 more
doaj   +1 more source

Study on Dynamic Hysteretic and Loss Properties of Silicon Steel Sheet Under Hybrid Harmonic and DC Bias Excitation

IEEE Access, 2020
The dynamic and static hysteresis properties as well as loss properties of grain oriented (GO) silicon steel sheet are measured under the AC-DC hybrid excitation containing both DC bias and harmonic components.
Xiaojun Zhao, Rui Wang, Zhenbin Du, Lichun Dong, Lanrong Liu   +4 more
doaj   +1 more source

Comprehensive Comparative Study on Permanent-Magnet-Assisted Synchronous Reluctance Motors and Other Types of Motor

Applied Sciences, 2023
At present, the induction motor (IM), synchronous reluctance motor (SynRM), ferrite-assisted synchronous reluctance motor (ferrite-assisted SynRM) and interior permanent magnet motor (IPM) are research hotspots, but comprehensive comparative research on ...
Guanghui Du, Guiyuan Zhang, Hui Li, Chengshuai Hu   +3 more
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Synthesis and electromagnetic characteristics of MnFe2O4/TiO2 composite material

Materials Research Express, 2022
The development of absorbing materials with a wide frequency band is still challenging. Here we successfully fabricated the MnFe _2 O _4 /TiO _2 composite powder through the micro-emulsion method.
Fei Jiang, Xiaoxiao Wei, Ji Zheng
doaj   +1 more source

Study on the electromagnetic properties and microwave absorbing mechanism of flaky FeSiAl alloy based on annealing and phosphate coating

Materials Research Express, 2021
A low-frequency composite absorbing material with high permeability and low permittivity in low frequency was prepared after the flaky FeSiAl alloy powder was annealed in N _2 atmosphere and modified with zinc-based phosphate solution.
Ze Li, Jianjiang Wang, Fang Zhao
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Modeling and Simulation of a Novel Low-Speed High-Torque Permanent Magnet Synchronous Motor with Asymmetric Stator Slots

Machines, 2022
Focusing on the unstable electromagnetic performance of an air gap magnetic field caused by torque ripple and harmonic interference of a multi-slot and multi-pole low-speed high-torque permanent magnet synchronous motor (LHPMSM), an asymmetric stator ...
Shaokai Kou, Ziming Kou, Juan Wu, Yandong Wang   +3 more
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Three-dimensional Analytical Modeling of Axial Flux Permanent Magnets Maglev Motor

CES Transactions on Electrical Machines and Systems, 2022
The three-dimensional(3D) analytical model of the magnetic field in an Axial Flux Permanent Magnets Maglev Motor(AFPMMM) is proposed and investigated the influence of the structural parameters on electromagnetic characteristics. Firstly, the topology and
Wei Qin, Gang Lv, Yuhua Ma
doaj   +1 more source