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2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2019
A single-circuit robust system of active shielding for magnetic field, generated by group of power transmission lines with different spatial locations of the single shielding coil is given. The synthesis of a robust system of active shielding is based on multi-criteria stochastic game decision, which calculated by multiswarm stochastic multi-agent ...
B. Kuznetsov, I. Bovdui, T. Nikitina
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A single-circuit robust system of active shielding for magnetic field, generated by group of power transmission lines with different spatial locations of the single shielding coil is given. The synthesis of a robust system of active shielding is based on multi-criteria stochastic game decision, which calculated by multiswarm stochastic multi-agent ...
B. Kuznetsov, I. Bovdui, T. Nikitina
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Optimal Design of System of Active Shielding of Magnetic Field Generated by Overhead Power Lines
2021 IEEE 16th International Conference on the Experience of Designing and Application of CAD Systems (CADSM), 2021Reduction of the magnetic field is created by overhead power line in building by means of active mitigation is considered. Design of system of active mitigation is reduced to calculation of the spatial location of the compensating windings and the parameters of the system active mitigation regulators based on the solution of a vector game.
B. Kuznetsov, I. Bovdui, T. Nikitina
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IEEE EUROCON 2021 - 19th International Conference on Smart Technologies, 2021
The problem of reducing the magnetic field generated by a group of overhead power lines by means of active shielding is considered. First, a metamodel of the magnetic field generated by a group of overhead power lines was synthesized. The task of synthesizing the metamodel of the magnetic field is reduced to a zero-sum antagonistic game. The components
Borys Kuznetsov +4 more
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The problem of reducing the magnetic field generated by a group of overhead power lines by means of active shielding is considered. First, a metamodel of the magnetic field generated by a group of overhead power lines was synthesized. The task of synthesizing the metamodel of the magnetic field is reduced to a zero-sum antagonistic game. The components
Borys Kuznetsov +4 more
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Development and verification of signal processing system of BGO active shield onboard Astro-H
Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 2014The hard X-ray imager (HXI) and soft gamma-ray detector (SGD) onboard Astro-H observe astronomical objects with high sensitivity in the hard X-ray (5−80 keV) and soft gamma-ray (40−600 keV) energy bands. To achieve this high sensitivity, background rejection is essential, and these detectors are surrounded by large and thick bismuth germinate ...
Hiroyasu Tajima +34 more
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2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021
This paper proposes and analyzes an active-shielding method to reduce EMF of wireless power transfer (WPT) systems. Additional power supplies and two windings cancel magnetic field generated by the WPT coils with only reactive power. The advantage of the proposed method is that the capacity of the additional power supplies are small.
Keita Furukawa +2 more
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This paper proposes and analyzes an active-shielding method to reduce EMF of wireless power transfer (WPT) systems. Additional power supplies and two windings cancel magnetic field generated by the WPT coils with only reactive power. The advantage of the proposed method is that the capacity of the additional power supplies are small.
Keita Furukawa +2 more
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2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021
This paper proposes and analyzes low-radiation noise wireless power transfer (WPT) systems with active shielding. Current flowing on the additional windings around the WPT coils is compensated with additional power supplies to cancel the magnetic field generated by the WPT coils.
Keita Furukawa +2 more
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This paper proposes and analyzes low-radiation noise wireless power transfer (WPT) systems with active shielding. Current flowing on the additional windings around the WPT coils is compensated with additional power supplies to cancel the magnetic field generated by the WPT coils.
Keita Furukawa +2 more
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Journal of Superconductivity and Novel Magnetism, 2016
In order to achieve stable operation for a developed high-Tc SQUID-based magnetocardiography system, a two-stage active magnetic shielding technique is implemented. This technique is based on a combination of fluxgate and high-Tc SQUID magnetometers feedback loops.
F. Shanehsazzadeh +3 more
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In order to achieve stable operation for a developed high-Tc SQUID-based magnetocardiography system, a two-stage active magnetic shielding technique is implemented. This technique is based on a combination of fluxgate and high-Tc SQUID magnetometers feedback loops.
F. Shanehsazzadeh +3 more
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Design and optimization of feedback control system for active shielding of HTS RF-SQUID based MCG
2016 24th Iranian Conference on Electrical Engineering (ICEE), 2016A High Tc RF-SQUID Based magnetocardiography system is developed for operating in a passively unshielded environment, in which active shielding is implemented to compensate field noises for the low to midrange frequency range. The main part of the implemented active shield configuration is a feedback control system designed for environmental noise ...
F. Shanehsazzadeh +3 more
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2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS), 2018
Field experimental research of the effectiveness of single-circuit active shielding system of magnetic field generated by group of overhead high voltage power lines with various control algorithms carried out. It is shown that the efficiency of closed-loop system with feedback control, open-loop system with forward control and combine closed-loop and ...
I. Bovdui +3 more
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Field experimental research of the effectiveness of single-circuit active shielding system of magnetic field generated by group of overhead high voltage power lines with various control algorithms carried out. It is shown that the efficiency of closed-loop system with feedback control, open-loop system with forward control and combine closed-loop and ...
I. Bovdui +3 more
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2016
Abstract The hard X-ray Imager and Soft Gamma-ray Detector onboard ASTRO-H demonstrate high sensitivity to hard X-ray (5–80 keV) and soft gamma-rays (60–600 keV), respectively. To reduce the background, both instruments are actively shielded by large, thick Bismuth Germanate scintillators.
M. Ohno +46 more
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Abstract The hard X-ray Imager and Soft Gamma-ray Detector onboard ASTRO-H demonstrate high sensitivity to hard X-ray (5–80 keV) and soft gamma-rays (60–600 keV), respectively. To reduce the background, both instruments are actively shielded by large, thick Bismuth Germanate scintillators.
M. Ohno +46 more
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