Eddy current probe with three-phase excitation and integrated array tunnel magnetoresistance sensors
Detecting defects in metal structures quickly and robustly is critical to maintaining safe
operation in industry. This work discloses an eddy current (EC) testing probe with coils …
operation in industry. This work discloses an eddy current (EC) testing probe with coils …
High-density large-scale TMR sensor array for magnetic field imaging
C Ye, Y Wang, Y Tao - IEEE Transactions on Instrumentation …, 2018 - ieeexplore.ieee.org
Magnetic field imaging (MFI) is widely used in electromagnetic nondestructive evaluation
(ENDE). This paper presents a high-density, large-scale tunneling magnetoresistance …
(ENDE). This paper presents a high-density, large-scale tunneling magnetoresistance …
Measurement of permeability for ferrous metallic plates using a novel lift-off compensation technique on phase signature
Lift-off of sensor affects the prediction of electromagnetic properties for both ferrous and non-
ferrous steel plates. In this paper, we developed a strategy to address this issue for ferrous …
ferrous steel plates. In this paper, we developed a strategy to address this issue for ferrous …
Novel rotating current probe with GMR array sensors for steam generate tube inspection
This paper presents a novel probe design that uses a rotating current excitation scheme and
giant magnetoresi-stance (GMR) sensors for steam generator tube inspection. Rotating eddy …
giant magnetoresi-stance (GMR) sensors for steam generator tube inspection. Rotating eddy …
Methods of controlling lift-off in conductivity invariance phenomenon for eddy current testing
Previously, a conductivity invariance phenomena (CIP) has been discovered–at a certain lift-
off, the inductance change of the sensor due to a test sample is immune to conductivity …
off, the inductance change of the sensor due to a test sample is immune to conductivity …
Optimized differential self-inductance displacement sensor for magnetic bearings: Design, analysis and experiment
K Wang, L Zhang, Y Le, S Zheng, B Han… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
The miniaturization requirements have been put forward to the sensors for the development
of the modern industry. However, the traditional inductive displacement sensor applied to …
of the modern industry. However, the traditional inductive displacement sensor applied to …
Experimental investigation of a Johnson noise thermometry using GMR sensor for electric vehicle applications
A new temperature measurement method using a giant magnetoresistance (GMR) sensor
based on Johnson noise thermometry (JNT) is proposed in this paper. This paper presents …
based on Johnson noise thermometry (JNT) is proposed in this paper. This paper presents …
Estimation of surface crack dimensional characteristics by an eddy current method using a single magnetic tunnel junction device
Eddy current testing plays a significant role in detecting surface defects in a nondestructive
testing field. The magnetoresistive sensors based on magnetic tunnel junction devices …
testing field. The magnetoresistive sensors based on magnetic tunnel junction devices …
Angular spectral density and information entropy for eddy current distribution
G Chen, W Zhang - Entropy, 2016 - mdpi.com
Here, a new method is proposed to quantitatively evaluate the eddy current distribution
induced by different exciting coils of an eddy current probe. Probability of energy allocation …
induced by different exciting coils of an eddy current probe. Probability of energy allocation …
A Magnetic Field Imaging System Based on TMR Sensors for Banknote Recognition
L Wang, J Wu, J Liu, R Mao, M Guan… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The high sensitivity and MEMS-compatible process of tunneling magnetoresistance (TMR)
sensors provide great opportunities to develop high-resolution magnetic field detection and …
sensors provide great opportunities to develop high-resolution magnetic field detection and …