Results 11 to 20 of about 1,109 (210)

Design of a New 1D Halbach Magnet Array with Good Sinusoidal Magnetic Field by Analyzing the Curved Surface [PDF]

Sensors, 2021
In the linear and planar motors, the 1D Halbach magnet array is extensively used. The sinusoidal property of the magnetic field deteriorates by analyzing the magnetic field at a small air gap.
Guangdou Liu, Shiqin Hou, Xingping Xu, Wensheng Xiao   +3 more
doaj   +4 more sources

A Real-Time Magnetic Adhesion Force Estimation Method for Wall-Climbing Robots Equipped with Halbach Permanent Magnet Arrays [PDF]

Sensors
This paper presents a real-time magnetic adhesion force estimation framework for wall-climbing robots equipped with Halbach permanent magnet arrays (PMAs) and air-gap–adjustable mechanisms.
Jiabin Cao, Lin Zhang, Yiyang Zhao, Ming Chen   +3 more
doaj   +3 more sources

Optimization study on the magnetic field of superconducting Halbach Array magnet [PDF]

Physica C: Superconductivity and Its Applications, 2017
This paper presents the optimization on the strength and homogeneity of magnetic field from superconducting Halbach Array magnet. Conventional Halbach Array uses a special arrangement of permanent magnets which can generate homogeneous magnetic field.
Boyang Shen, Jianzhao Geng, Xiuchang Zhang   +2 more
exaly   +3 more sources

Design and Analysis of a Novel Axial-Radial Flux Permanent Magnet Machine with Halbach-Array Permanent Magnets [PDF]

Energies, 2021
Electric machines with high torque density are needed in many applications, such as electric vehicles, electric robotics, electric ships, electric aircraft, etc. and they can avoid planetary gears thus reducing manufacturing costs.
Rundong Huang, Chunhua Liu, Zaixin Song, Hang Zhao   +3 more
doaj   +4 more sources

Original optimization Procedures of Halbach Permanent Magnet Segmented Array [PDF]

2019 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF), 2019
This paper presents a direct design and optimization procedures of an arbitrary PM Halbach Segmented Array. The direct design is based on the ideal PM Halbach definition. The arc width, magnitude and orientation of polarization of each segment are taken as optimization variables after calculation of PM thickness.
Sarah Touhami, Yvan Lefèvre, Jean-François Llibre   +2 more
openalex   +3 more sources

Study on the Influences of an Outer-Coreless-Rotor Permanent Magnet Synchronous Machine Using Halbach Magnet Array [PDF]

Energies
In order to evaluate the influences of the topology design of a Halbach Magnet Array (HA) on the performance of a motor, a PMSM with an outer coreless rotor using a Halbach Magnet Array (HAORPMSM) is proposed in this article. The design parameters of the
Cong Xu, Hao Wu, Yuchao Shi, Ning Wang, Liwei Song   +4 more
doaj   +2 more sources

Magnetic field sensing of 3D printed Halbach arrays. [PDF]

Sci Rep
Abstract This paper investigates magnetic field amplification in Halbach arrays. A Halbach array, composed of permanent magnets, is arranged to produce a strong magnetic field on one side and a weak field on the other. This configuration has numerous scientific and engineering applications.
Ospanova A, Konysbekov A, Pruchnik B, Putek P, Gotszalk T, Dziedzic A, Ellis G, Skrzypacz P.   +7 more
europepmc   +3 more sources

Hybrid manufacturing of Halbach arrays using sintered NdFeB magnets and additively manufactured soft magnet frames [PDF]

AIP Advances
Using sintered neodymium–iron–boron (NdFeB) cube magnets and additively manufactured polylactic acid (PLA) and steel frames, we investigate hybrid manufacturing approaches for enhancing magnetic fields in cylindrical Halbach arrays while reducing ...
Levi Cosgrove, Brian Andrews, Adrian Dalganan, Nirmal Poudel, Tim Charlton, Tej Nath Lamichhane, M. Parans Paranthaman   +6 more
doaj   +2 more sources

Improvement of Tubular Permanent Magnet Machine Performance Using Dual-Segment Halbach Array [PDF]

Energies, 2018
In this paper, a modification of the dual-segment permanent magnet (PM) Halbach array is investigated to improve the performance of the tubular linear machine, in terms of flux density and output power.
Minh-Trung Duong, Yon-Do Chun, Deok-Je Bang   +2 more
doaj   +4 more sources

In Vivo Imaging With a Low-Cost MRI Scanner and Cloud Data Processing in Low-Resource Settings. [PDF]

NMR Biomed
This study presented the system evolution at MUST: (a) Scanner after the initial assembly in 2023. (b) First reconstructed image (bell pepper). Front (c), rear (d), and global (e) views of the MUST scanner in the 2025 configuration, highlighting the improved electronics setup, RF coils, and mechanical integration.
Guallart-Naval T, Asiimwe R, Tusiime P, Nassejje MA, Kinyera L, Robin L, Nayebare M, Santos LGC, Fernández-García M, Swistunow L, Algarín JM, Stairs J, Hansen M, Amodoi R, Webb A, Harper J, Schiff SJ, Obungoloch J, Alonso J.   +18 more
europepmc   +2 more sources