Research Output 1979 2019

2019

Active magnetic bearing for a liquid nitrogen pump

Kamioka, Y., Kajikawa, K., Hirai, H., Ozaki, S., Nakamura, T., Imagawa, S. & Ishiyama, A., Jun 3 2019, In : IOP Conference Series: Materials Science and Engineering. 502, 1, 012153.

Research output: Contribution to journalConference article

Open Access
Bearings (structural)
Magnetic bearings
Liquid nitrogen
Pumps
Submersible pumps
1 Citation (Scopus)

A Distributed Electricity Trading System in Active Distribution Networks Based on Multi-Agent Coalition and Blockchain

Luo, F., Dong, Z. Y., Liang, G., Murata, J. & Xu, Z., Sep 2019, In : IEEE Transactions on Power Systems. 34, 5, p. 4097-4108 12 p., 8494790.

Research output: Contribution to journalArticle

Electric power distribution
Electricity
Energy resources
Multi agent systems
1 Citation (Scopus)

A simple conducted noise modeling method for DC-DC converters with accurate noise source model

Zhang, B., Zhang, S., Shoyama, M. & Takegami, E., Jan 25 2019, In : Research Reports on Information Science and Electrical Engineering of Kyushu University. 24, 1, p. 9-15 7 p.

Research output: Contribution to journalArticle

DC-DC converters

Commercial Design and Operating Characteristics of a 300 kW Superconducting Induction Heater (SIH) Based on HTS Magnets

Choi, J., Kim, T., Lee, C. K., Jeon, D. S., Park, G. W., Cho, S., Park, M., Yu, I. K. & Iwakuma, M., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 3700105.

Research output: Contribution to journalArticle

Superconducting magnets
superconducting magnets
heaters
induction
Metals

Common mode noise cancellation by two opposite-phase-operating inverters for motor drive

Watase, Y., Nakamuta, S., Zhang, B. & Shoyama, M., May 1 2019, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 2179-2184 6 p. 8796491. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Noise Cancellation
Capacitors
Networks (circuits)
Electric potential
Capacitor

Common-mode noise evaluation study of two-level voltage source inverter using bus-clamping discontinuous PWM strategies

Hassan, M. S. & Shoyama, M., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612306. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse width modulation
Electric potential
Noise abatement
Passive filters
Frequency domain analysis

Common-Mode Voltage Investigation and Reduction of Split-Source Inverter

Hassan, M. S. & Shoyama, M., Feb 4 2019, 6th IEEE International Conference on Smart Grid, icSmartGrids 2018. Institute of Electrical and Electronics Engineers Inc., p. 118-122 5 p. 8634437. (6th IEEE International Conference on Smart Grid, icSmartGrids 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Electric motors
MATLAB
Topology
Modulation

Configuration and control method of bi-directional multiport converter for DC power supply system

Sakamoto, S. & Shoyama, M., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612428. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric power systems
Power transmission
Networks (circuits)
Electric potential
Experiments

Design and Hardware Implementation of New Adaptive Fuzzy Logic-Based MPPT Control Method for Photovoltaic Applications

Rezk, H., Aly, M., Al-Dhaifallah, M. & Shoyama, M., Jan 1 2019, In : IEEE Access. 7, p. 106427-106438 12 p., 8786102.

Research output: Contribution to journalArticle

Open Access
Fuzzy logic
Hardware
Solar radiation
Digital signal processing
Maximum power point trackers

Design study of 10 mw rebco fully superconducting synchronous generator for electric aircraft

Komiya, M., Aikawa, T., Sasa, H., Miura, S., Iwakuma, M., Yoshida, T., Sasayama, T., Tomioka, A., Konno, M. & Izumi, T., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8675517.

Research output: Contribution to journalArticle

fly by wire control
Synchronous generators
radiant flux density
generators
Aircraft

Development of a novel noninvasive system for measurement and imaging of the arterial phase oxygen density ratio in the retinal microcirculation

Ishikawa, S., Yoshinaga, Y., Kantake, D., Nakamura, D., Yoshida, N., Hisatomi, T., Ikeda, Y., Ishibashi, T. & Enaida, H., Mar 4 2019, In : Graefe's Archive for Clinical and Experimental Ophthalmology. 257, 3, p. 557-565 9 p.

Research output: Contribution to journalArticle

Microcirculation
Oxygen
Breath Holding
Volunteers
Venules

DNA detection method based on the microbead velocity under traveling wave dielectrophoresis

Ding, Z., Nakano, M. & Suehiro, J., Jan 1 2019, BIODEVICES 2019 - 12th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 12th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2019. Roque, A., Fred, A. & Gamboa, H. (eds.). SciTePress, p. 21-25 5 p. (BIODEVICES 2019 - 12th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 12th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electrophoresis
DNA
Polymerase chain reaction
RNA

Dynamic performance analysis of long-distance power transmission system with DC superconducting cable from large photovoltaic generation

Higashikawa, K., Arai, J., Harada, K., Koshizuka, T., Matsushima, J., Ikeda, H., Harid, N. & Al-Durra, A., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8661674.

Research output: Contribution to journalArticle

Superconducting cables
power transmission
Power transmission
cables
direct current

Economic evaluation of 23 kV tri-axial HTS cable application to power system

Lee, C., Choi, J., Yang, H., Park, M. & Iwakuma, M., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8678485.

Research output: Contribution to journalArticle

Superconducting cables
cables
economics
Cables
Economics

Effect of viscosity on harmonics signals of magnetic nanoparticles for thermometry application

Elrefai, A. L., Yoshida, T. & Enpuku, K., Dec 1 2019, In : Journal of Magnetism and Magnetic Materials. 491, 165480.

Research output: Contribution to journalArticle

temperature measurement
Viscosity
viscosity
Nanoparticles
harmonics

Effect of viscosity on the AC magnetization of magnetic nanoparticles under different AC excitation fields

Yoshida, T., Nakamura, T., Higashi, O. & Enpuku, K., Feb 1 2019, In : Journal of Magnetism and Magnetic Materials. 471, p. 334-339 6 p.

Research output: Contribution to journalArticle

Magnetization
alternating current
Viscosity
viscosity
Nanoparticles
2 Citations (Scopus)

Effects of size and anisotropy of magnetic nanoparticles associated with dynamics of easy axis for magnetic particle imaging

Ota, S., Matsugi, Y., Nakamura, T., Takeda, R., Takemura, Y., Kato, I., Nohara, S., Sasayama, T., Yoshida, T. & Enpuku, K., Mar 15 2019, In : Journal of Magnetism and Magnetic Materials. 474, p. 311-318 8 p.

Research output: Contribution to journalArticle

Anisotropy
Nanoparticles
harmonics
Imaging techniques
nanoparticles

Electrical property measurement of two-dimensional hole-gas layer on hydrogen-terminated diamond surface in vacuum-gap-gate structure

Inaba, M., Kawarada, H. & Ohno, Y., Jun 24 2019, In : Applied Physics Letters. 114, 25, 253504.

Research output: Contribution to journalArticle

Open Access
diamonds
electrical properties
vacuum
hydrogen
gases

EMI prediction and reduction of zero-crossing noise in totem-pole bridgeless PFC converters

Zhang, B., Lin, Q., Imaoka, J., Shoyama, M., Tomioka, S. & Takegami, E., Jan 1 2019, In : Journal of Power Electronics. 19, 1, p. 278-287 10 p.

Research output: Contribution to journalArticle

Signal interference
Poles
Noise abatement
Electric potential

Empirical expression for harmonics of AC magnetization of magnetic nanoparticles with core size distribution

Du, Z., Sun, Y., Higashi, O., Enpuku, K. & Yoshida, T., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, 9, 097003.

Research output: Contribution to journalArticle

Nanomagnetics
harmonic analysis
Harmonic analysis
Magnetization
alternating current
strands
Tapes
tapes
alternating current
coils

Feasibility study of superconducting cable application to oil/gas power supply network

Arai, J., Higashikawa, K., Koshizuka, T., Ikeda, H., Harid, N. & Al-Durra, A., Jan 1 2019, In : IEEE Transactions on Industry Applications. 55, 1, p. 145-151 7 p., 8463570.

Research output: Contribution to journalArticle

Superconducting cables
Gas oils
Gas plants
Cables
Electric potential

Flux-pinning properties of BaHfO 3 -doped EuBCO-coated conductors fabricated by Hot-Wall PLD

Fujita, S., Muto, S., Hirata, W., Yoshida, T., Kakimoto, K., Iijima, Y., Daibo, M., Kiss, T., Okada, T. & Awaji, S., Jan 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8629911.

Research output: Contribution to journalArticle

Flux pinning
flux pinning
Pulsed laser deposition
Deposition rates
pulsed laser deposition

Formation of nanoporous SiO2 films with super-low dielectric constant by F2 laser deposition

Miyano, R., Kikuchi, T., Imokawa, K., Nakamura, D. & Ikenoue, H., Jan 1 2019, Synthesis and Photonics of Nanoscale Materials XVI. Kabashin, A. V., Geohegan, D. B. & Dubowski, J. J. (eds.). SPIE, 109070S. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10907).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

laser deposition
Dielectric Constant
SiO2
Permittivity
Partial pressure

High-concentration, low-temperature, and low-cost excimer laser doping for 4h-sic power device fabrication

Imokawa, K., Kikuchi, T., Okamoto, K., Nakamura, D., Ikeda, A., Asano, T. & Ikenoue, H., Jan 1 2019, Silicon Carbide and Related Materials, 2018. Gammon, P. M., Shah, V. A., McMahon, R. A., Jennings, M. R., Vavasour, O., Mawby, P. A. & Padfield, F. (eds.). Trans Tech Publications Ltd, p. 403-406 4 p. (Materials Science Forum; vol. 963 MSF).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excimer lasers
excimer lasers
Doping (additives)
Fabrication
fabrication

High Performance Coated Conductors Fabricated by UTOC-MOD Process

Izumi, T., Nakaoka, K., Sato, M., MacHi, T., Ibi, A., Yoshida, R., Kato, T., Miura, M., Kiss, T. & Inoue, M., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8710275.

Research output: Contribution to journalArticle

metal coatings
Metal coatings
conductors
Metals
coatings

In-Field Transport Properties at Grain Boundaries in BaHfO3-doped SmBa2Cu3Oy Bicrystal Films at Low Temperatures

Tsuchiya, Y., Akita, J., Ichino, Y., Miura, S. & Yoshida, Y., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8662621.

Research output: Contribution to journalArticle

Bicrystals
bicrystals
Transport properties
Grain boundaries
grain boundaries
1 Citation (Scopus)

Influence of Ni, Ti and NiTi alloy nanoparticles on hydrothermally grown ZnO nanowires for photoluminescence enhancement

Patra, N., Karuturi, S. K., Vasa, N. J., Nakamura, D., Higashihata, M., Singh, V. & Palani, I. A., Jan 5 2019, In : Journal of Alloys and Compounds. 770, p. 1119-1129 11 p.

Research output: Contribution to journalArticle

Nanowires
Photoluminescence
Metals
Nanoparticles
Metal nanoparticles

Lowerature and low-cost excimer laser doping for poly-Si thin-film transistor fabrication

Imokawa, K., Tanaka, N., Suwa, A., Nakamura, D., Sadoh, T., Goto, T. & Ikenoue, H., Jan 1 2019, Laser-Based Micro- and Nanoprocessing XIII. Klotzbach, U., Watanabe, A. & Kling, R. (eds.). SPIE, 109060J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10906).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin-film Transistor
Excimer Laser
Excimer lasers
Thin film transistors
Polysilicon

Low-frequency eddy current testing using HTS coil driven by PWM inverter

Sasayama, T. & Enpuku, K., Jan 1 2019, In : International Journal of Applied Electromagnetics and Mechanics. 59, 4, p. 1275-1282 8 p.

Research output: Contribution to journalArticle

Eddy current testing
pulse duration modulation
eddy currents
Pulse width modulation
coils

Low-temperature, high-concentration laser doping of 4H-SiC for low contact resistance

Kikuchi, T., Imokawa, K., Ikeda, A., Nakamura, D., Asano, T. & Ikenoue, H., Jan 1 2019, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIV. Makimura, T., Raciukaitis, G. & Molpeceres, C. (eds.). SPIE, 109050Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10905).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Contact Resistance
Contact resistance
contact resistance
Silicon carbide
silicon carbides
4 Citations (Scopus)

Magnetic parameters evaluation of magnetic nanoparticles for use in biomedical applications

Elrefai, A. L., Yoshida, T. & Enpuku, K., Mar 15 2019, In : Journal of Magnetism and Magnetic Materials. 474, p. 522-527 6 p.

Research output: Contribution to journalArticle

Nanoparticles
nanoparticles
evaluation
Saturation magnetization
Magnetization
Pickups
Magnetometers
inductance
Inductance
magnetometers
Merging
Noise
Trajectories
Sensors
Traffic congestion

Microfabrication of Au film using optical vortex beam

Kawagoe, S., Nakamura, R., Tasaki, R., Oshima, H., Higashihata, M., Nakamura, D. & Omatsu, T., Apr 1 2019, In : Journal of Laser Micro Nanoengineering. 14, 1, p. 31-34 4 p.

Research output: Contribution to journalArticle

Open Access
Optical films
Microfabrication
Vortex flow
vortices
Angular momentum
1 Citation (Scopus)

Modeling, magnetic design, simulation methods, and experimental evaluation of various powder cores used in power converters considering their dc superimposition characteristics

Imaoka, J., Okamoto, K., Shoyama, M., Ishikura, Y., Noah, M. & Yamamoto, M., Sep 1 2019, In : IEEE Transactions on Power Electronics. 34, 9, p. 9033-9051 19 p., 8571263.

Research output: Contribution to journalArticle

Power converters
Powders
Magnetic cores
Powder magnetic cores
Fluxes

Modeling and Prediction of Common-Mode Conducted Noise in Boost Converter with Terminal Port Theory

Zhang, S., Zhang, B. & Shoyama, M., May 1 2019, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 2211-2216 6 p. 8797342. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Port terminals
Converter
MOSFET
Prediction
Interpolation Method
1 Citation (Scopus)

Normally-OFF Two-Dimensional Hole Gas Diamond MOSFETs Through Nitrogen-Ion Implantation

Oi, N., Kudo, T., Inaba, M., Okubo, S., Onoda, S., Hiraiwa, A. & Kawarada, H., Jun 1 2019, In : IEEE Electron Device Letters. 40, 6, p. 933-936 4 p., 8715486.

Research output: Contribution to journalArticle

Diamond
MOSFET devices
Ion implantation
Diamonds
Nitrogen
Superconducting cables
renewable energy
energy storage
Energy storage
cables

Numerical analysis of current-limiting cooperation of a 20 mva superconducting transformer and cable

Nakamura, F., Iwakuma, M., Miura, S., Yoshida, K., Tomioka, A. & Konno, M., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8681412.

Research output: Contribution to journalArticle

transformers
cables
numerical analysis
Numerical analysis
Cables

Optimal Frequency of Low-Frequency Eddy-Current Testing for Detecting Defects on the Backside of Thick Steel Plates

Yoshimura, W., Sasayama, T. & Enpuku, K., Jul 1 2019, In : IEEE Transactions on Magnetics. 55, 7, 8645817.

Research output: Contribution to journalArticle

Eddy current testing
Steel
Defects
Skin effect
Inspection

Point-Arc Remote Plasma Chemical Vapor Deposition for High-Quality Single-Crystal Diamond Selective Growth

Fei, W., Inaba, M., Hoshino, H., Tsuyusaki, I., Kawai, S., Iwataki, M. & Kawarada, H., Jan 1 2019, (Accepted/In press) In : Physica Status Solidi (A) Applications and Materials Science.

Research output: Contribution to journalArticle

Diamond
Chemical vapor deposition
Diamonds
arcs
diamonds

Sampled-Data Filters with Compactly Supported Acquisition Prefilters

Yamamoto, Y., Yamamoto, K. & Nagahara, M., Jan 18 2019, 2018 IEEE Conference on Decision and Control, CDC 2018. Institute of Electrical and Electronics Engineers Inc., p. 6650-6655 6 p. 8619614. (Proceedings of the IEEE Conference on Decision and Control; vol. 2018-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Signal Processing
Signal processing
Sampled-data Control
Filter
Signal Reconstruction

Selective area laser-assisted doping of SiC thin films and blue light electroluminescence

Paneerselvam, E., Kikuchi, T., Ikenoue, H., Vasa, N. J., Palani, I. A., Higashihata, M., Nakamura, D. & Ramachandra Rao, M. S., Sep 12 2019, In : Journal of Physics D: Applied Physics. 52, 48, 48LT01.

Research output: Contribution to journalArticle

Electroluminescence
electroluminescence
p-n junctions
Doping (additives)
Thin films

Sensitivity Function Trade-Offs for Networks with a String Topology

Pates, R. & Yamamoto, K., Jan 18 2019, 2018 IEEE Conference on Decision and Control, CDC 2018. Institute of Electrical and Electronics Engineers Inc., p. 5869-5873 5 p. 8619555. (Proceedings of the IEEE Conference on Decision and Control; vol. 2018-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strings
Trade-offs
Topology
Feedback
Low Frequency

Synthesis of GeSn particles with high substitutional Sn concentration by pulsed laser deposition

Nakashima, T., Kikuchi, T., Imokawa, K., Nakamura, D. & Ikenoue, H., Jan 1 2019, Synthesis and Photonics of Nanoscale Materials XVI. Geohegan, D. B., Dubowski, J. J. & Kabashin, A. V. (eds.). SPIE, 109070P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10907).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulsed Laser Deposition
Pulsed laser deposition
pulsed laser deposition
Synthesis
Atoms

Theoretical Investigation of Current-Sharing Properties of Three-Strand Parallel Conductors Composed of REBa 2 Cu 3 O y Superconducting Tapes

Sagawa, S., Miura, S., Iwakuma, M., Fukumoto, Y., Yoshida, K., Sato, S. & Izumi, T., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8629299.

Research output: Contribution to journalArticle

Superconducting tapes
strands
Tapes
tapes
conductors

Three-dimensional detection of magnetic nanoparticles using a field-free line with weak field gradient and multiple pickup coils

Hamanaga, S., Yoshida, T., Sasayama, T., Elrefai, A. L. & Enpuku, K., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, 6, 061001.

Research output: Contribution to journalArticle

Open Access
Pickups
coils
Nanoparticles
gradients
nanoparticles

Wash-free detection of biomaterial utilizing magnetic markers and MR sensor

Irie, K., Akiyoshi, K., Yoshida, T. & Enpuku, K., Jan 25 2019, In : Research Reports on Information Science and Electrical Engineering of Kyushu University. 24, 1, p. 17-22 6 p.

Research output: Contribution to journalArticle

Biomaterials
Sensors
Proteins
Washing
Experiments

エネルギー分野のビッグデータとその活用

Translated title of the contribution: Big data in electric energy field and their utilizationMurata, J., Jan 1 2019, In : IEEJ Transactions on Power and Energy. 139, 6, p. 394-397 4 p.

Research output: Contribution to journalArticle

Planning
Big data
Industry