電気システム工学部門

研究成果 1979 2019

1995
51 引用 (Scopus)

Parameter dependencies of characteristics of a high-Tc dc superconducting quantum interference device

Enpuku, K., Tokita, G., Maruo, T. & Minotani, T., 12 1 1995, : : Journal of Applied Physics. 78, 5, p. 3498-3503 6 p.

研究成果: ジャーナルへの寄稿記事

interference
transfer functions
magnetic flux
deviation
predictions
4 引用 (Scopus)

Simplification of transfer function in switching converter with general load impedance

Shoyama, M., Hamafuku, Y., Matsuzaki, N. & Ninomiya, T., 1995, Proceedings of the International Conference on Power Electronics and Drive Systems. IEEE, 巻 1. p. 155-161 7 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Transfer functions
DC-DC converters
Topology
Electric potential
2 引用 (Scopus)

Simulation test and theoretical analysis of surge propagation in superconducting magnet

Choi, B. J., Ohtsuka, S., Suehiro, J. & Hara, M., 1 1 1995, : : Cryogenics. 35, 8, p. 505-513 9 p.

研究成果: ジャーナルへの寄稿記事

Superconducting magnets
superconducting magnets
propagation
Networks (circuits)
arc discharges
1 引用 (Scopus)
Recurrent neural networks
Feedforward neural networks
Neural networks
Supervised learning
Neurons
28 引用 (Scopus)

Universal learning network and computation of its higher order derivatives

Hirasawa, K., Ohbayashi, M. & Murata, J., 1995, IEEE International Conference on Neural Networks - Conference Proceedings. IEEE, 巻 3. p. 1273-1277 5 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Large scale systems
Derivatives
Time delay
Recurrent neural networks
Backpropagation
1996

A family of single-switch ZVS-CV DC-to-DC converters

Mizoguchi, T., Ninomiya, T., Ohgai, T. & Shoyama, M., 1 1 1996, : : IEICE Transactions on Communications. E79-B, 6, p. 849-855 7 p.

研究成果: ジャーナルへの寄稿記事

Zero voltage switching
Pulse width modulation
Switches
Electric commutation
Electric potential
91 引用 (Scopus)

A new interpretation of the glass-liquid transition of pinned fluxoids in high-Tc superconductors

Yamafuji, K. & Kiss, T., 2 20 1996, : : Physica C: Superconductivity and its applications. 258, 3-4, p. 197-212 16 p.

研究成果: ジャーナルへの寄稿記事

Flux pinning
Superconducting materials
Vortex flow
flux pinning
Glass
Genetic algorithms
Neural networks
Chromosomes
1 引用 (Scopus)

Development of kA-class alternating current superconducting conductors and fabrication of a prototype coreless superconducting autotransformer

Kajikawa, K., Kaiho, K., Yamamoto, M., Fuji, H., Sadakata, N., Saito, T. & Kohno, O., 12 1 1996, : : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 117, 5, p. 34-42 9 p.

研究成果: ジャーナルへの寄稿記事

Wire
Fabrication
Magnetic field effects
Superconducting wire
Degradation
20 引用 (Scopus)

Effect of large dielectric constant of SrTiO3 substrate on the characteristics of high Tc dc superconducting quantum interference device

Enpuku, K., Maruo, T. & Minotani, T., 7 15 1996, : : Journal of Applied Physics. 80, 2, p. 1207-1213 7 p.

研究成果: ジャーナルへの寄稿記事

permittivity
interference
inductance
capacitance
transmission lines
2 引用 (Scopus)

Flux flow characteristics of step-edge junctions made of YBa2Cu3O7-δ thin films

Kiss, T., Matsumura, T., Iriyama, Y., Enpuku, K. & Takeo, M., 1 1 1996, : : Superconductor Science and Technology. 9, 4A

研究成果: ジャーナルへの寄稿記事

flow characteristics
Magnetic fields
Fluxes
Thin films
Current voltage characteristics
5 引用 (Scopus)

Laser deposition of Y1BA2Cu3O7-δ-SrTiO 3-Y11BA2Cu3O 7-δ multilayers utilizing the 4th harmonics of Nd: YAG pulse laser

Kiss, T., Enpuku, K., Matsumura, T., Iriyama, Y., Nakamura, T. & Takeo, M., 1 1 1996, : : IEICE Transactions on Electronics. E79-C, 9, p. 1269-1273 5 p.

研究成果: ジャーナルへの寄稿記事

Laser pulses
Multilayers
Lasers
Temperature
Oxygen
6 引用 (Scopus)

Novel PWM-controlled resonant converter

Tanaka, H., Ninomiya, T., Shoyama, M. & Zaitsu, T., 12 1 1996, : : INTELEC, International Telecommunications Energy Conference (Proceedings). p. 823-828 6 p.

研究成果: ジャーナルへの寄稿Conference article

Pulse width modulation
Clamping devices
Controllability
Networks (circuits)
Electric potential
8 引用 (Scopus)

Pin fluctuation and the scaling of transport characteristics in superconductors

Kiss, T., Nakamura, T., Kuroda, K., Takeo, M., Irie, F. & Yamafuji, K., 12 1 1996, : : Czechoslovak Journal of Physics. 46, SUPPL. 3, p. 1791-1792 2 p.

研究成果: ジャーナルへの寄稿記事

scaling
Monte Carlo method
electric potential
curves
2 引用 (Scopus)
Electrolytic capacitors
ripples
capacitors
Capacitors
Networks (circuits)
8 引用 (Scopus)

Robust control using second order derivative of universal learning network

Ohbayashi, M., Hirasawa, K., Hashimoto, M. & Murata, J., 12 1 1996, : : Proceedings of the IEEE International Conference on Systems, Man and Cybernetics. 2, p. 1184-1189 6 p.

研究成果: ジャーナルへの寄稿記事

Robust control
Derivatives
Controllers
Control systems
Cranes
1 引用 (Scopus)
Cranes
Robust control
Linear systems
Nonlinear systems
Poles
13 引用 (Scopus)

Robust learning control using universal learning network

Ohbayashi, M., Hirasawa, K., Murata, J. & Harada, M., 1 1 1996, p. 2208-2213. 6 p.

研究成果: 会議への寄与タイプ論文

Control systems
Controllers
Systems analysis
Derivatives
Neural networks
20 引用 (Scopus)

Size effect and statistical characteristics of DC and pulsed breakdown of liquid helium

Suehiro, J., Ohno, K., Takahashi, T., Miyama, M. & Hara, M., 12 1 1996, : : IEEE Transactions on Dielectrics and Electrical Insulation. 3, 4, p. 507-514 8 p.

研究成果: ジャーナルへの寄稿記事

Helium
Weibull distribution
Electric fields
Electrodes
Distribution functions
6 引用 (Scopus)

Static and dynamic response of a parallel-module high power-factor converters system with current-balancing controllers

Kohama, T., Ninomiya, T., Wakamatsu, M. & Shoyama, M., 1996, : : Unknown Journal. 2, p. 1198-1203 6 p.

研究成果: ジャーナルへの寄稿記事

static response
dynamic response
Dynamic response
Controllers
Electric potential
6 引用 (Scopus)

Statistical characteristics of electrical breakdown in saturated superfluid helium

Suehiro, J., Ohno, K., Takahashi, T., Miyama, M. & Hara, M., 12 1 1996, p. 320-323. 4 p.

研究成果: 会議への寄与タイプ論文

Superfluid helium
Helium
Superconducting magnets
Weibull distribution
Critical currents
2 引用 (Scopus)

Weakly coupled grain model for the residual surface resistance of YBa2Cu3Ox thin films

Yoshida, K., Onoue, T., Kiss, T., Shimakage, H. & Wang, Z., 1 1 1996, : : IEICE Transactions on Electronics. E79-C, 9, p. 1254-1258 5 p.

研究成果: ジャーナルへの寄稿記事

Surface resistance
Thin films
Coplanar waveguides
Resonators
1997

Automatic rule set modeling and change detection of systems

Murata, J., Ideta, K. & Hirasawa, K., 1997, : : Unknown Journal. 4, p. 3889-3894 6 p.

研究成果: ジャーナルへの寄稿記事

Statistical tests
modeling
detection method
learning
detection
1 引用 (Scopus)

Critical current density and magnetic phase diagrams in Nb-Ti superconducting wires with artificial pinning centers

Matsumoto, K., Tanaka, Y., Miura, O., Iwakuma, M., Funaki, K., Yamafuji, K. & Matsushita, T., 1 1 1997, : : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 61, 9, p. 785-791 7 p.

研究成果: ジャーナルへの寄稿記事

Superconducting wire
Phase diagrams
critical current
Multilayers
phase diagrams
61 引用 (Scopus)

Current-voltage characteristics near the glass-liquid transition in high-Tc superconductors

Yamafuji, K. & Kiss, T., 10 15 1997, : : Physica C: Superconductivity and its Applications. 290, 1-2, p. 9-22 14 p.

研究成果: ジャーナルへの寄稿記事

Current voltage characteristics
Superconducting materials
Superconducting transition temperature
Current density
Phase transitions
3 引用 (Scopus)

Distortion of voltage vs flux relation of dc SQUID coupled to multiturn input coil due to input coil resonance combined with capacitive-feedback effect

Enpuku, K. & Minotani, T., 1 1 1997, : : Applied Superconductivity. 5, 7-12, p. 419-424 6 p.

研究成果: ジャーナルへの寄稿記事

SQUIDs
coils
Fluxes
Feedback
Electric potential
10 引用 (Scopus)

Effect of capacitive feedback on the characteristics of direct current superconducting quantum interference device coupled to a multiturn input coil

Minotani, T., Enpuku, K. & Kuroki, Y., 7 1 1997, : : Journal of Applied Physics. 82, 1, p. 457-463 7 p.

研究成果: ジャーナルへの寄稿記事

coils
direct current
interference
electric potential
curves
19 引用 (Scopus)

E-J characteristics and a.c. losses in a superconducting Bi(2223) hollow cylinder

Wakuda, T., Nakano, T., Iwakuma, M., Funaki, K., Takeo, M., Yamafuji, K., Yamada, Y. & Yasuhara, S., 1 1 1997, : : Cryogenics. 37, 7, p. 381-388 8 p.

研究成果: ジャーナルへの寄稿記事

hollow
Maxwell equations
Maxwell equation
numerical analysis
Numerical analysis
12 引用 (Scopus)

Electromagnetic properties in parallel conductors composed of BI2223 multifilamentary wires for power transformer windings

Iwakuma, M., Funaki, K., Shinohara, H., Sadohara, T., Takeo, M. & Yamafuji, K., 12 1 1997, : : IEEE Transactions on Applied Superconductivity. 7, 2 PART 1, p. 298-301 4 p.

研究成果: ジャーナルへの寄稿記事

Transformer windings
electromagnetic properties
Power transformers
transformers
conductors
4 引用 (Scopus)

Evaluation of multi-layered RBF networks

Hirasawa, K., Matsuoka, T., Ohbayashi, M. & Murata, J., 1997, : : Unknown Journal. 1, p. 908-911 4 p.

研究成果: ジャーナルへの寄稿記事

Radial basis function networks
Neural networks
Gradient methods
parameter
method
22 引用 (Scopus)

High performance DC superconducting quantum interference device utilizing a bicrystal junction with a 30° misorientation angle

Minotani, T., Kawakami, S., Kiss, T., Kuroki, Y. & Enpuku, K., 8 15 1997, : : Japanese Journal of Applied Physics, Part 2: Letters. 36, 8 SUPPL. B

研究成果: ジャーナルへの寄稿記事

Bicrystals
bicrystals
SQUIDs
misalignment
direct current

Neural networks with input gates

Murata, J., Noda, T. & Hirasawa, K., 9 1997, : : Research Reports on Information Science and Electrical Engineering of Kyushu University. 2, 2, p. 283-288 6 p.

研究成果: ジャーナルへの寄稿記事

Multilayer neural networks
Flow control
Neural networks
1 引用 (Scopus)

Nonlinear control system with neural network controller using RasVal learning

Shao, N., Hirasawa, K., Ohbayashi, M., Togo, K. & Murata, J., 1997, : : Unknown Journal. 3, p. 2859-2864 6 p.

研究成果: ジャーナルへの寄稿記事

Nonlinear control systems
Learning algorithms
control system
learning
Neural networks
15 引用 (Scopus)

Operation analysis of the push-pull piezoelectric inverter

Shoyama, M., Horikoshi, K., Ninomiya, T., Zaitsu, T. & Sasaki, Y., 1997, Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC. 巻 2. p. 573-578 6 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Zero voltage switching
Equivalent circuits
Fluorescent lamps
Cathodes
Electric potential
4 引用 (Scopus)

Partial discharge characteristics in artificial air-filled voids immersed in liquid nitrogen

Tsuru, S. I., Nakamura, M., Funaki, K., Iwakuma, M., Suehiro, J. & Hara, M., 1 1 1997, p. 228-231. 4 p.

研究成果: 会議への寄与タイプ論文

Partial discharges
Liquid nitrogen
liquid nitrogen
voids
air
9 引用 (Scopus)

Piezoelectric transformer converter with PWM control

Zaitsu, T., Ninomiya, T. & Shoyama, M., 1 1 1997, : : IEICE Transactions on Communications. E80-B, 7, p. 1035-1044 10 p.

研究成果: ジャーナルへの寄稿記事

Pulse width modulation
Resonant circuits
Networks (circuits)
Clamping devices
Switching frequency
38 引用 (Scopus)

Preliminary tests of a 500 kVA-class oxide superconducting transformer cooled by subcooled Nitrogen

Funaki, K., Iwakuma, M., Takeo, M., Yamafuji, K., Suehiro, J. & Hara, M., 12 1 1997, : : IEEE Transactions on Applied Superconductivity. 7, 2 PART 1, p. 824-827 4 p.

研究成果: ジャーナルへの寄稿記事

transformers
Oxides
Nitrogen
nitrogen
oxides

Probabilistic Universal Learning Network

Hirasawa, K., Ohbayashi, M. & Murata, J., 1997, : : Unknown Journal. 1, p. 917-922 6 p.

研究成果: ジャーナルへの寄稿記事

Chaotic systems
learning
Learning algorithms
Large scale systems
Time delay

Recent development of high Tc dc SQUID magnetometer

Enpuku, K., 1 1 1997, : : IEICE Transactions on Electronics. E80-C, 10, p. 1240-1246 7 p.

研究成果: ジャーナルへの寄稿記事

SQUIDs
Magnetometers
Dynamic response
3 引用 (Scopus)

Resonant Characteristics of High Tc DC SQUID Caused by Large Dielectric Constant of SrTiO3

Enpuku, K., Maruo, T. & Minotani, T., 1 1 1997, : : IEEE Transactions on Applied Superconductivity. 7, 2, p. 3355-3358 4 p.

研究成果: ジャーナルへの寄稿記事

SQUIDs
Permittivity
direct current
permittivity
Resonant circuits
2 引用 (Scopus)

Soft x-ray emission from the gas-puff z-pinch plasma produced by an inductive pulsed power generator

Imasaka, K., Hara, S., Kawauchi, Y., Kawazoe, K., Suehiro, J. & Hara, M., 12 1 1997, p. 845-850. 6 p.

研究成果: 会議への寄与タイプ論文

Plasmas
X rays
Gases
Pinhole cameras
Electric generators

Stability analysis of Universal Learning Network

Yu, Y., Hirasawa, K., Ohbayashi, M. & Murata, J., 1997, : : Unknown Journal. 4, p. 3993-3998 6 p.

研究成果: ジャーナルへの寄稿記事

stability analysis
learning
crane
control system
Cranes
15 引用 (Scopus)

Steady-state characteristics of the push-pull piezoelectric inverter

Shoyama, M., Horikoshi, K., Ninomiya, T., Zaitsu, T. & Sasaki, Y., 1 1 1997, PESC Record - IEEE Annual Power Electronics Specialists Conference. 巻 1. p. 715-721 7 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Zero voltage switching
Fluorescent lamps
Electric current control
Equivalent circuits
Cathodes
2 引用 (Scopus)

Transport characteristics and flux dynamics in high tc superconductors under the influence of pin fluctuation

Kiss, T., Nakamura, T., Takeo, M., Yamafuji, K. & Irie, F., 1997, : : IEEE Transactions on Applied Superconductivity. 7, 2 PART 2, p. 1161-1164 4 p.

研究成果: ジャーナルへの寄稿記事

Superconducting materials
Temperature distribution
temperature distribution
Magnetic fields
Fluxes
1998
DC-DC converters
Electric potential
Experiments
2 引用 (Scopus)

Abnormal phenomena caused by synchronous rectifiers in parallel-module DC-DC converter system

Kohama, T., Ninomiya, T. & Shoyama, M., 1 1 1998, : : PESC Record - IEEE Annual Power Electronics Specialists Conference. 2, p. 1230-1236 7 p.

研究成果: ジャーナルへの寄稿Conference article

DC-DC Converter
rectifiers
DC-DC converters
converters
modules

Adaptive control of nonlinear black-box systems based on Universal Learning Networks

Hu, J., Hirasawa, K., Murata, J., Ohbayashi, M. & Kumamaru, K., 1998, IEEE World Congress on Computational Intelligence. Anon (版). IEEE, 巻 3. p. 2453-2458 6 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Controllers
Nonlinear networks
Adaptive algorithms
Control theory
Computer simulation
1 引用 (Scopus)

Alteration of egg character in the wemi mutation of Bombyx mori by the application of 20-hydroxyecdysone

Kawaguchi, Y., Iwakuma, M., Banno, Y. & Koga, K., 1998, : : Journal of Sericultural Science of Japan. 67, 1, p. 31-35 5 p.

研究成果: ジャーナルへの寄稿記事

Ecdysterone
Bombyx
ecdysterone
Hormones
Bombyx mori
4 引用 (Scopus)

Analysis of abnormal phenomena caused by synchronous rectifiers in a paralleled converter system

Kohama, T., Ninomiya, T., Shoyama, M. & Tymerski, R., 1998, : : Unknown Journal. p. 404-411 8 p.

研究成果: ジャーナルへの寄稿記事

DC-DC converters
Energy dissipation
oscillation
Electric potential
dissipation
29 引用 (Scopus)

Analytical considerations on power loss in a three-arm-type uninterruptible power supply

Hirao, N., Satonaga, T., Uematsu, T., Kohama, T., Ninomiya, T. & Shoyama, M., 1 1 1998, PESC Record - IEEE Annual Power Electronics Specialists Conference. Anon (版). p. 1886-1891 6 p. (PESC Record - IEEE Annual Power Electronics Specialists Conference; 巻数 2).

研究成果: 著書/レポートタイプへの貢献会議での発言

Uninterruptible power systems
Pulse width modulation
Experiments