Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EE, WPT, IEE-SPC [detail] |
2017-07-27 14:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Study of Spike Current Issue at Input Voltage Zero-crossing of Totem-pole Bridgeless PFC Converter Baihua Zhang, Qiang Lin, Jun Imaoka, Masahito Shoyama (Kyushu Univ.), Satoshi Tomioka, Eiji Takegami (TDK-Lambda) EE2017-17 WPT2017-22 |
Comparing with conventional PFC converter, the Totem-pole bridgeless PFC converter is able to achieve a better efficienc... [more] |
EE2017-17 WPT2017-22 pp.49-53 |
EE, IEE-HCA |
2015-05-28 09:30 |
Tokyo |
The Kikai Shinko Kaikan building |
The Influence of Magnetic Flux on Semiconductor Switches in High-Power-Density Isolated DC-DC Converter Tomoya Koga, Akinori Hariya, Yudai Mizoguchi, Yoichi Ishizuka (Nagasaki Univ), Ken Matsuura (TDK), Hiroshige Yanagi, Satoshi Tomioka (TDK-Lambda), Tamotsu Ninomiya (AGI) EE2015-1 |
[more] |
EE2015-1 pp.1-7 |
EE |
2015-01-30 13:30 |
Kumamoto |
Sakura-No-Baba JOSAIEN |
Common Mode Noise Reduction in Totem-pole Bridgeless PFC Circuit Kewei Shi (Kyushu Univ.), Satoshi Tomioka (TDK-Lambda), Masahito Shoyama (Kyushu Univ.) EE2014-39 |
[more] |
EE2014-39 pp.61-66 |
EE, WPT (Joint) |
2014-11-18 13:00 |
Kyoto |
Doshisha University |
A study of low loss design technique for planar transformer in high frequency isolated DC-DC converter Yudai Mizoguchi, Akinori Hariya, Yoichi Ishizuka (Nagasaki Univ.), Ken Matsuura (TDK), Satoshi Tomioka (TDK-Lambda), Tamotsu Ninomiya (AGI) EE2014-21 |
In this paper, in order to optimize winding structure of planar transformer in 5MHz LLC resonant converter, the planar t... [more] |
EE2014-21 pp.13-18 |
EE |
2014-01-23 15:20 |
Miyazaki |
MIYAZAKI KANKO HOTEL |
Totem-Pole Bridgeless PFC Converter with Spike Noise Removal Circuit at Zero-cross of Input Current Kewei Shi (Kyushu Univ), Satoshi Tomioka (TDK Lambda), Masahito Shoyama (Kyushu Univ) EE2013-35 |
[more] |
EE2013-35 pp.25-30 |
EE |
2014-01-24 10:25 |
Miyazaki |
MIYAZAKI KANKO HOTEL |
The Analysis of the PWM-Controlled Current-Mode Resonant DC-DC Converter Akinori Hariya (Nagasaki Univ.), Ken Matsuura, Hiroshige Yanagi, Satoshi Tomioka (TDK-Lambda), Yoichi Ishizuka (Nagasaki Univ.), Tamotsu Ninomiya (ICSEAD) EE2013-42 |
In this paper, a new pulse width modulation (PWM) control method for the isolated current-mode resonant converter with a... [more] |
EE2013-42 pp.67-72 |
EE |
2013-10-11 10:45 |
Hokkaido |
Hokkaido University Clark Memorial Student Center |
A Study of Common Mode Noise Current in Bridgeless PFC Circuit Considering Voltage Change in Y Capacitors Kewei Shi (Kyushu Univ.), Satoshi Tomioka (TDK-Lambda), Masahito Shoyama (Kyushu Univ.) EE2013-23 |
[more] |
EE2013-23 pp.17-22 |
EE, CPM |
2013-01-24 10:00 |
Kumamoto |
|
Comparative Study about Efficiency and Switching Noise of Bridgeless PFC Circuits Kiyoshi Masumoto, Kewei Shi, Masahito Shoyama (Kyushu Univ.), Satoshi Tomioka (TDK-Lambda Corp.) EE2012-28 CPM2012-150 |
Recently, efficiency improvement has been noted with the rapidly increasing consumption of energy. The diode losses is t... [more] |
EE2012-28 CPM2012-150 pp.1-6 |
EE |
2012-10-12 14:30 |
Tokyo |
|
PWM-Controlled Current-Mode Resonant Converter Including Boost Conversion Akinori Hariya (Nagasaki Univ.), Ken Matsuura, Hiroshige Yanagi, Satoshi Tomioka (TDK-Lambda), Yoichi Ishizuka, Tamotsu Ninomiya (Nagasaki Univ.) EE2012-20 |
[more] |
EE2012-20 pp.27-32 |
EMCJ |
2012-01-27 16:30 |
Fukuoka |
Kyushu Univ. |
Efficiency and Switching Noise Analysis for Bridgeless PFC Circuits Kiyoshi Masumoto, Takumi Yoshimura, Masahito Shoyama (Kyushu Univ), Satoshi Tomioka (TDK Lambda) EMCJ2011-130 |
Recently, efficiency improvement has been noted with the rapidly increasing consumption of energy. The diode losses is t... [more] |
EMCJ2011-130 pp.111-116 |
EE |
2009-11-27 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Experimental Result of a Totem-Pole Bridgeless Critical-Conduction-Mode Interleaved Boost Power Factor Correction Eka Firmansyah (Kyushu Univ.), Satoshi Tomioka (TDK-Lambda Corp), Seiya Abe, Masahito Shoyama (Kyushu Univ.), Tamotsu Ninomiya (Nagasaki Univ.) EE2009-31 |
This paper explains about basic working principles, governing equations, implementation problems, and experimental resul... [more] |
EE2009-31 pp.13-18 |
EE |
2008-11-20 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Characteristics Comparison of Two Current Resonant Converters : LLC and LLC+HB Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Satoshi Tomioka (Densei Lambda) EE2008-46 |
[more] |
EE2008-46 pp.13-15 |
EE |
2008-10-03 10:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Dynamic haracteristic of LLC Current-Resonant DC-DC converter Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Satoshi Tomioka (DESEI-LAMBDA) EE2008-35 |
This paper presents the static and dynamic characteristics of an LLC current-resonant converter. Firstly, considering th... [more] |
EE2008-35 pp.1-6 |
EE |
2008-01-21 16:05 |
Fukuoka |
|
Analysis of Boost-Input Type Full Bridge Converter Satoshi Tomioka (DL), Tamotsu Ninomiya (Kyushu Univ) EE2007-51 |
A boost type converter is used in general for power-factor correction. In this case, a DC-DC converter is connected behi... [more] |
EE2007-51 pp.41-46 |
EE |
2008-01-21 16:30 |
Fukuoka |
|
Steady-State Characteristics of Current Resonant PFC Converter Asahi Nakayama, Eka Firmansyah, Seiya Abe, Masahito Shoyama, Tamotsu Ninomiya (Kyushu Univ.), Satoshi Tomioka (Densei-Lambda K.K.) |
[more] |
|
EMT, OPE, MW |
2007-08-02 09:25 |
Hokkaido |
Muroran Institute of Technology |
Large-scale Parallel Computation of Particle Accelerator Wake Fields based on Time Domain Boundary Element Method with Moving Window Technique Kazuhiro Fujita (Hokkaido Univ.), Hideki Kawaguchi (Muroran IT), Satoshi Tomioka (Hokkaido Univ.) MW2007-43 OPE2007-30 |
In order to compute wake fields, which are transient electromagnetic fields excited by a relativistic charged particle b... [more] |
MW2007-43 OPE2007-30 pp.7-12 |
IT, ISEC, WBS |
2007-03-16 15:40 |
Gunma |
Gunma Univ. (Kiryu Campus) |
Information-Hiding Schemes Based on the Algorithm of gzip Satoshi Tomioka, Hiroki Koga (Univ. of Tsukuba) |
Gzip is a lossless data compression software which is often used in
UNIX operating systems.
In this paper, we propose... [more] |
IT2006-119 ISEC2006-174 WBS2006-116 pp.203-208 |
EE |
2005-11-11 16:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
The Method to Improve the Resolution of Digital PWM Eiji Takegami (Densei Lamda), Kohji Higuchi, Kazushi Nakano (Univ. Electro-Communications), Satoshi Tomioka (Densei Lamda) |
Recently, digitization of a controller is progressing for demands of intelligent, common hardware, etc.. In order to con... [more] |
EE2005-45 pp.37-41 |