Results 11 to 20 of about 80,532 (217)

ArticleGust Alleviation by Active–Passive Combined Control of the Flight Platform and Antenna Array for a Flying Wing SensorCraft

open access: yesAerospace, 2023
SensorCraft is an intelligence, surveillance, and reconnaissance (ISR) system that integrates unmanned flight platforms and airborne antenna arrays. Under gust loads, the high–aspect–ratio, light–wing structure of SensorCraft has considerable bending and
Shuai Hao   +5 more
doaj   +1 more source

An effective methodology to design scale model for magnetic absorbing coatings based on ORL

open access: yesResults in Physics, 2017
The scale measurement has a great significance in studying electromagnetic scattering properties. But there still exist great difficulties in constructing an accurate scale model including nonmetallic materials such as magnetic absorbing coatings.
Liming Yuan   +5 more
doaj   +1 more source

Influence of stator/rotor-pole combination on electromagnetic performance in all/alternate poles wound partitioned stator doubly salient permanent magnet machines

open access: yesThe Journal of Engineering, 2017
In this study, the influence of stator/rotor-pole combinations on electromagnetic performance in partitioned stator doubly salient permanent magnet (PS-DSPM) machines is investigated, in terms of open-circuit flux-linkage, back-electromotive force (EMF),
Zhongze Wu, Z.Q. Zhu
doaj   +1 more source

Research on grain refinement and its mechanism of pure aluminum under a novel permanent magnet stirring

open access: yesJournal of Materials Research and Technology, 2021
Fine, uniform and equiaxed grain structure is one of the most striking features of high-quality Al targets. In general, the imposition of magnetic stirring on the liquid Al during the solidification process is an effective method to promote grain ...
Jing Zou   +8 more
doaj   +1 more source

Performance analysis of asymmetrical less‐rare‐earth permanent magnet motor for electric vehicle

open access: yesIET Electrical Systems in Transportation, 2022
To reduce the manufacturing cost, the cogging torque and the torque ripple of the traditional V‐shaped permanent magnet motor (TPMM), an asymmetrical less‐rare‐earth permanent magnet motor (ALREPMM) is proposed.
Bingchang Lv   +4 more
doaj   +1 more source

Analytical Modeling and Comparison of Two Consequent-Pole Magnetic-Geared Machines for Hybrid Electric Vehicles

open access: yesEnergies, 2019
The exact mathematical modeling of electric machines has always been an effective tool for scholars to understand the working principles and structure requirements of novel machine topologies.
Hang Zhao   +3 more
doaj   +1 more source

Investigating the influences of Fe, Mn and Mo additions on the evolution of microstructure and mechanical performances of Al–Si–Mg cast alloys

open access: yesJournal of Materials Research and Technology, 2023
Understanding the evolution of Fe–containing intermetallic compounds (Fe–IMCs) in Al–Si–Mg alloys is essential for improving the mechanical performances. This paper aims to systemically evaluate the influences of both the single addition of Mn or Mo, and
Jing Zou   +8 more
doaj   +1 more source

Optimal Design and Performance Analysis for Interior Composite-Rotor Bearingless Permanent Magnet Synchronous Motors

open access: yesIEEE Access, 2019
The bearingless permanent magnet synchronous motor (BPMSM) is widely developed due to the advantages such as high speed, high power factor, high power density, and zero friction.
Yueping Sun, Bokai Su, Xiaodong Sun
doaj   +1 more source

Investigation of an Intensifying-flux Variable Flux-leakage Interior Permanent Magnet Machine for Wide Speed Range

open access: yesCES Transactions on Electrical Machines and Systems, 2022
In this paper, a novel intensifying-flux variable flux-leakage interior permanent magnet (IFVF-IPM) machine is proposed, in which flux barriers were designed deliberately between the adjacent poles to obtain intensifying-flux effect and variable flux ...
Xiping Liu   +3 more
doaj   +1 more source

Conformal Retinal Image Sensor Based on Electrochemically Exfoliated MoS2 Nanosheets

open access: yesNanomaterials
Retina-like photoimaging devices with features such as a wide-field-of-view and high spatial resolution have wide application prospects in retinal prosthetics and remote sensing.
Tianxiang Li   +6 more
doaj   +1 more source

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