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Eddy current sensor simulation
COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 2017Purpose This paper aims to present a simulation concept and an experimental verification of a novel sensor design for the shaft position measurement based on the eddy current principle and the phase-shift measurement. The simulation method for the sensor characteristic determination is presented.
Šušnjić, Livio, Bulić, Neven
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Journal of Scientific Instruments, 1935
A study of the properties of eddy current brakes suggests some lag effect in the action of eddy currents which increases with frequency. Using this conception, a theory is given to account for the results obtained and to evolve a convenient mode of presenting them graphically.
E F Powell, S W Gough
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A study of the properties of eddy current brakes suggests some lag effect in the action of eddy currents which increases with frequency. Using this conception, a theory is given to account for the results obtained and to evolve a convenient mode of presenting them graphically.
E F Powell, S W Gough
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IEEE Transactions on Magnetics, 1984
A laboratory eddy current imaging system has been assembled to scan a probe over a sample and to record digital eddy current images. The system is microprocessor controlled and it transmits images to a VAX 780 computer for image processing. These images have been used for probe characterization and to study the imaging process.
R. McCary +3 more
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A laboratory eddy current imaging system has been assembled to scan a probe over a sample and to record digital eddy current images. The system is microprocessor controlled and it transmits images to a VAX 780 computer for image processing. These images have been used for probe characterization and to study the imaging process.
R. McCary +3 more
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Experiments with eddy currents: the eddy current brake
European Journal of Physics, 2004A moderate-cost experimental setup is presented to help students to understand some qualitative and quantitative aspects of eddy currents. The setup operates like an eddy current brake, a device commonly used in heavy vehicles to dissipate kinetic energy by generating eddy currents. A set of simple experiments is proposed to measure eddy current losses
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1982
A new concept, phasography, has been developed showing excellent potential for high resolution imaging of flaws using eddy current data. The process may be thought of as an eddy current equivalent to acoustic holography. Phase multiplication of the detected coherent signal is used to simulate a test wavelength one to two orders of magnitude smaller ...
H. Dale Collins +3 more
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A new concept, phasography, has been developed showing excellent potential for high resolution imaging of flaws using eddy current data. The process may be thought of as an eddy current equivalent to acoustic holography. Phase multiplication of the detected coherent signal is used to simulate a test wavelength one to two orders of magnitude smaller ...
H. Dale Collins +3 more
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2018
In eddy current tomography, the conductivity profile of conductive materials is reconstructed through the inversion of eddy current data (ECT). The state of the art of imaging methods in ECT data inversion is represented by iterative methods, the drawbacks of which are their high computational cost and the risk of becoming trapped in false solutions ...
a. tamburrino, g. rubinacci
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In eddy current tomography, the conductivity profile of conductive materials is reconstructed through the inversion of eddy current data (ECT). The state of the art of imaging methods in ECT data inversion is represented by iterative methods, the drawbacks of which are their high computational cost and the risk of becoming trapped in false solutions ...
a. tamburrino, g. rubinacci
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Physics Education, 1992
The eddy current effect can be demonstrated in a striking, simple and cheap way by comparing the time it takes a magnet to drop down a length of copper tubing with the time for an apparently identical but non-magnetic sample.
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The eddy current effect can be demonstrated in a striking, simple and cheap way by comparing the time it takes a magnet to drop down a length of copper tubing with the time for an apparently identical but non-magnetic sample.
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Proceedings of the Institution of Electrical Engineers, 1976
After giving a general survey on the earlier papers dealing with the eddy currents transients the author specifies his basic 1-dimensional theoretical model. Then the theory of transients both with ideal constant-current source and voltage source as supply is developed. The analysis presented involves the effect of the airgap in the magnetic circuit as
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After giving a general survey on the earlier papers dealing with the eddy currents transients the author specifies his basic 1-dimensional theoretical model. Then the theory of transients both with ideal constant-current source and voltage source as supply is developed. The analysis presented involves the effect of the airgap in the magnetic circuit as
openaire +1 more source