Articles with "flux leakage" as a keyword



A flexible flux adjustable variable flux leakage starter‐generator for helicopters

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Published in 2024 at "IET Electric Power Applications"

DOI: 10.1049/elp2.12465

Abstract: A variable flux leakage starter‐generator structure designed for helicopters is proposed. The research focuses on investigating the current distribution mechanism of the d‐q axis to determine the feasibility of incorporating variable flux leakage (FL) in… read more here.

Keywords: starter generator; variable flux; flux leakage;

Magnetic flux leakage modelling and optimisation of a CRAHMB for DC motor

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Published in 2017 at "Iet Electric Power Applications"

DOI: 10.1049/iet-epa.2016.0259

Abstract: In this study, a combined radial–axial hybrid magnetic bearing (CRAHMB) with four poles is designed for high-speed brushless DC motor. Owing to the small distance of radial and axial unit of CRAHMB, the magnetic flux… read more here.

Keywords: crahmb; flux leakage; magnetic flux; motor ... See more keywords

The Optimization Method of Magnetic Flux Leakage Detection Equipment in Rail Surface Inspection Based on Finite Element Simulation

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Published in 2024 at "Integrated Ferroelectrics"

DOI: 10.1080/10584587.2024.2328859

Abstract: Abstract The parameters of the magnetic excitation circuit can significantly impact the Magnetic Flux Leakage (MFL) signal of rail inspection. This research proposes a unique approach for optimizing the parameter of the magnetic excitation circuit… read more here.

Keywords: detection; flux leakage; magnetic flux; finite element ... See more keywords
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Detection of high stress concentration zone using magnetic flux leakage method

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Published in 2020 at "International Journal of Structural Integrity"

DOI: 10.1108/ijsi-12-2019-0139

Abstract: A tower crane mainly ensures the success or efficiency of building construction. Fatigue crack analysis is important for tower crane components to prevent any accidents to workers in construction sites caused by component failure and… read more here.

Keywords: flux leakage; mmm; magnetic flux; high stress ... See more keywords

Frequency Response of a Moving Two-Dimensional Defect in Magnetic Flux Leakage Inspection

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Published in 2019 at "IEEE Magnetics Letters"

DOI: 10.1109/lmag.2019.2906109

Abstract: The detection of magnetic flux leakage (MFL) enables nondestructive detection and characterization of defects in magnetic structures. In this letter, Fourier transforms of the leakage fields from a two-dimensional surface defect are evaluated to produce… read more here.

Keywords: leakage; response; magnetic flux; frequency response ... See more keywords
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Design of a Patterned Soft Magnetic Structure to Reduce Magnetic Flux Leakage of Magnetic Induction Wireless Power Transfer Systems

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Published in 2017 at "IEEE Transactions on Electromagnetic Compatibility"

DOI: 10.1109/temc.2017.2690967

Abstract: A soft-magnetic-metal-based shield structure was designed to reduce magnetic flux leakage in magnetic-induction wireless power transfer systems. Soft magnetic metals have the advantages of high permeability and low magnetic loss, but have the disadvantage of… read more here.

Keywords: flux leakage; soft magnetic; magnetic flux; power ... See more keywords

Optimum Design Process of Coaxial Magnetic Gear Using 3D Performance Prediction Method Considering Axial Flux Leakage

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Published in 2024 at "IEEE Transactions on Industry Applications"

DOI: 10.1109/tia.2023.3335894

Abstract: This article proposes a rapid and optimum design method that considers axial flux leakage for a coaxial magnetic gear (CMG). Conventional CMG optimum design methods perform two-dimensional (2D) finite element analysis (FEA) to evade the… read more here.

Keywords: optimum design; design; flux leakage; axial flux ... See more keywords

An Intelligent Defect Detection Approach Based on Cascade Attention Network Under Complex Magnetic Flux Leakage Signals

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Published in 2023 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2022.3201320

Abstract: Magnetic flux leakage (MFL) detection robots are broadly employed in acquiring MFL signals to detect pipeline defects. However, influenced by the complex pipeline environments, the accuracy of defect detection under complex MFL signals is undesirable.… read more here.

Keywords: network; flux leakage; feature; detection ... See more keywords

Online Pipeline Weld Defect Detection for Magnetic Flux Leakage Inspection System via Lightweight Rotated Network

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Published in 2025 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2024.3503635

Abstract: Developing an online pipeline magnetic flux leakage (MFL) weld defect detection method deployed in industrial sites is essential to expedite the localization and repair of defects. However, most existing methods suffer from large computational burdens,… read more here.

Keywords: defect detection; flux leakage; magnetic flux; weld defect ... See more keywords

A Multisensor Cycle-Supervised Convolutional Neural Network for Anomaly Detection on Magnetic Flux Leakage Signals

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Published in 2022 at "IEEE Transactions on Industrial Informatics"

DOI: 10.1109/tii.2022.3146152

Abstract: To improve the validity of magnetic flux leakage (MFL) multisensor signals, anomaly detection has become a significant part of MFL signal processing. The anomalies in MFL are uncertain and have no prior information or labels.… read more here.

Keywords: flux leakage; cycle supervised; detection; anomaly detection ... See more keywords

A Heuristic Algorithm for the Reconstruction and Extraction of Defect Shape Features in Magnetic Flux Leakage Testing

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Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2020.2998561

Abstract: The first step to quantifying complex defects is knowing its geometry, shape, and orientation. This is evidently challenging in electromagnetic nondestructive testing (ENDT), especially for subsurface complex defect detection, in cases where no information about… read more here.

Keywords: shape; magnetic flux; defect; flux leakage ... See more keywords