Eddy current testing
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ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
IEEE-ECCE 2020 brings together practicing engineers, researchers, entrepreneurs and other professionals for interactive and multi-disciplinary discussions on the latest advances in energy conversion technologies. The Conference provides a unique platform for promoting your organization.
2020 IEEE International Conference on Industrial Technology (ICIT)
ICIT focuses on industrial and manufacturing applications of electronics, controls, communications, instrumentation, and computational intelligence.
The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.
The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.
Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.
Digest of the Fifth Biennial IEEE Conference on Electromagnetic Field Computation, 1992
IEEE Transactions on Magnetics, 2004
Alternating magnetic flux leakage testing is used for the detection of cracks on the surface of steel plates. In this paper, a new technique and precise inspection of how to detect plural cracks and their depth, which are located at very short distances from each other, is proposed. The leakage flux density of the parallel (x) component is used for ...
IEEE Transactions on Magnetics, 2003
The alternating magnetic flux leakage testing is used for the detection of cracks in a steel plate. A new technique of how to detect plural cracks, which are located at a very short distance from each other, using the parallel (x-) component of the leakage flux density is proposed. The behavior of leakage flux is examined using a three-dimensional edge-based ...
2009 International Conference on Information Technology and Computer Science, 2009
In nondestructive testing (NDT) it is important to have a high probability of detection (POD) and more reliable characterization of each defect. This can be gained by using several techniques combined into one. A borescope and eddy current integrative nondestructive testing system was presented. A dual probe containing an eddy current probe and a borescope was designed. This dual probe ...
IEEE Transactions on Magnetics, 2000
This paper describes a new method for the simulation of signals noised by the presence of other materials outside of test materials in eddy current testing. The method developed here, which can treat ferromagnetic materials, is an extension of a pre-computed database approach based on the magnetic vector potential method. It results in much fewer degrees of freedom than those ...
Unmet Needs in the Diagnosis and Management of TB - Richard Chaisson - IEEE EMBS at NIH, 2019
Molecular Diagnostics for STIs - Gary Schoolnik - IEEE EMBS at NIH, 2019
IMS 2011 Microapps - Digital Radio Testing Using an RF Channel Replicator
Expanding Wellness & Preventative Care via Home-Based Testing - Erika Tyburski - IEEE EMBS at NIH, 2019
High-Bandwidth Memory Interface Design
IMS 2012 Microapps - Virtual Flight Testing of Radar System Performance Daren McClearnon, Agilent EEsof
Synthetic Fuels to the Rescue?
ITEC 2014: Urban Mass Transit Systems: Current Status and Future Trends
Mark I. Montrose: Testing for EMC Compliance
Integrating Mobile POC Testing into Nigeria’s Healthcare System - Umut Gurkan - IEEE EMBS at NIH, 2019
Innovative Mechanical Systems to Address Current Robotics Challenges
IEEE PES Awards 2020: IEEE PES Uno Lamm High Voltage Direct Current Award
Panel: Integrating POC Testing for HLBS Diseases into Clinical Care - IEEE EMBS at NIH, 2019
Standards Education: Strategic Standardization (English)
EMBC 2011 -Keynote (Women in Engineering Program) Re-engineering the War on Cancer: A Call to Action for Personalized Medicine -Mara G. Aspinall
Tim Winters: Internet of Things IP Testing Service - IPv6 IoT InterOp-Ware Industry Forum Panel: WF IoT 2016
MicroApps: Flexible Digital Modulation Testing for Satellite Regenerative Payloads (Agilent Technologies)
Algorithms that Play and Design Games
APEC 2012 - Dr. Fred Lee Plenary
Alternating magnetic flux leakage testing is used for the detection of cracks on the surface of steel plates. In this paper, a new technique and precise inspection of how to detect plural cracks and their depth, which are located at very short distances from each other, is proposed. The leakage flux density of the parallel (x) component is used for the distinction of the plural cracks. Moreover, the depth of plural cracks is obtained by changing the exciting frequency and by detecting the perpendicular (z) component of leakage flux. The behavior of leakage flux is examined using three-dimensional edge- based hexahedral finite-element methods and compared with experimentation. The effect of hysteresis on magnetic phenomena is also examined.
The alternating magnetic flux leakage testing is used for the detection of cracks in a steel plate. A new technique of how to detect plural cracks, which are located at a very short distance from each other, using the parallel (x-) component of the leakage flux density is proposed. The behavior of leakage flux is examined using a three-dimensional edge-based hexahedral finite- element method. The effects of dimensions of search coils and cracks on the detection accuracy are illustrated.
In nondestructive testing (NDT) it is important to have a high probability of detection (POD) and more reliable characterization of each defect. This can be gained by using several techniques combined into one. A borescope and eddy current integrative nondestructive testing system was presented. A dual probe containing an eddy current probe and a borescope was designed. This dual probe can in situ detect defects in aeroengine simultaneously, which can reduce the need for costly teardown. In this integrative system information fusion for the techniques is needful and possible. A method of borescope and eddy current information fusion was proposed using the Dempster-Shafer (D-S) theory of evidence. The primary experimental results show that the high reliable characterization of defect is gained using the information fusion.
This paper describes a new method for the simulation of signals noised by the presence of other materials outside of test materials in eddy current testing. The method developed here, which can treat ferromagnetic materials, is an extension of a pre-computed database approach based on the magnetic vector potential method. It results in much fewer degrees of freedom than those of typical finite element approaches, and the method provides a very fast forward simulator even in the case with ferromagnetic materials.
A Finite Element method that uses a hinged weighting function is applied to 1-D and 2-D eddy current problems. A method of choosing the hinge parameters such that the resulting piecewise linear function approximates an exponential weighting function is developed. A special purpose quadrilateral element that incorporates the hinged weighting function is derived. The hinged elements are used to solve 1-D and 2-D eddy current test problems. Computed results that illustrate the advantages of the hinged F.E.M. are presented.
A local error estimation and adaptive meshing method for finite element analysis in eddy current nondestructive testing problems is proposed. Two dual formulations using Whitney elements have been applied to solve the magnetodynamic problem. By using this property of complementary, different error estimators were defined and were studied. These estimators are used for determining the mesh refinement zones. Numerical evaluations are given at the end of the paper, where the procedure of the adaptive meshing is presented and validated.
This paper presents an inverse method for determining the conductivity distribution of a flat, layered conductor using a multi-frequency electromagnetic sensor. Eddy current sensors are used in a wide range of non- destructive testing (NDT) applications. Single frequency sensors are very common, however, the potential of an eddy current sensor with spectroscopic techniques offer the ability to extract depth profiles and examine more fully the internal structure of the test piece. In this paper, the complete forward solution for a small right-cylindrical air-cored coil placed next to a layered conductor is based on the analytic solution provided by the transfer matrix approach. A simplified model is derived from the complete forward model to estimate the phase signature of the coil. This simplified model reduces the computation time by many fold compared to the complete analytic solution. For inverse solution, a simple search method was used to find the conductivity profile to fit a set of multi-frequency phase values in a least-squared sense. Numerical results of the forward solution are provided for cases of step- change conductivity profiles. Good estimates for the conductivity profile were obtained. Experimental eddy-current tests are performed by taking the difference in inductance of the coil when placed in free space and next to a layered conductor over the range 100Hz-1MHz. Inverse results based on experimental and simulated data verified this method
This paper proposes a crack sizing method in eddy current testing (ECT) for austenite stainless steel plates. The image and finite element analyses for the ECT response maps estimate size of surface breaking and crack depth, respectively. At first, template matching identifies surface breaking in fragments. Second, measuring the length of fragment gives a quasi-3D region for sizing crack depth. Third, the crack is reconstructed by iteration of fast finite element analysis. Finally, overlapping all evaluated cracks represents complicated-shape cracks. It is shown that size of stress corrosion cracking is efficiently estimated
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