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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE | 2018-01-30 10:35 |
Oita | Satellite Campus Oita | Bi-Directional High Conversion Rate DC-DC Converter with Dual Active Bridge Based Input-Series and Output-Parallel System Kazuma Shiya, Yoichi Ishizuka (Nagasaki Univ), Masahiro Yamaguchi (Tohoku Univ), Shinya Manabe (Logic Research), Hirano Yashutoshi (RICOH Electronic Devices), Atsushi Itagaki (Ryowa Electronics)  EE2017-67 |
Recently, high conversion voltage ratios DC-DC converters is being considered to application to in the automobile, data ... [more] | EE2017-67 pp.145-150 |
| EE | 2018-01-30 13:05 |
Oita | Satellite Campus Oita | 48V/5V Direct Conversion 1MHz DC-DC Converter with 14ns Time-Delay Digital Control Jianao Yao, Yoichi Ishizuka (Nagasaki Univ.) EE2017-70 |
[more] | EE2017-70 pp.159-163 |
| EE, IEE-HCA | 2017-05-26 15:10 |
Tokyo | The Kikai Shinko Kaikan building | Realization of ZVS and Current Surge Suppression Technique for DAB DC-DC Converter with Proposed Masked Switching and PFM Control Takaaki Soejima, Yoichi Ishizuka (Nagasaki Univ.), Toshiro Hirose (Nishimu Electronics Industries) EE2017-7 |
Hard switching and switching surge are critical issues in Dual Active Bridge (DAB) DC-DC converter under the light load.... [more] | EE2017-7 pp.69-74 |
| EE | 2017-01-26 11:35 |
Nagasaki | Nagasaki University | Problem reports on Independent Power Supply System of Wireless Sensor Network Yuki Nishikawa, Takuya Sasamura, Yoichi Ishizuka, Satoshi Sugimoto, Tomoyuki Fujishima, Takafumi Fujimoto, Shohei Iwasaki (Nagasaki Univ.), Kouji Kurihara, Koichirou Yamashita (Fujitsu Lab) EE2016-53 |
In this paper, some power-related incidents of Wireless Sensor Network(WSN) with independent power supply system. This r... [more] | EE2016-53 pp.27-32 |
| EE | 2017-01-26 14:45 |
Nagasaki | Nagasaki University | [Poster Presentation]
Power efficiency improvement and switching surge reduction technique with arbitrary gate drive for dual active bridge DC-DC converter Takaaki Soejima, Yui Miyazaki, Yoichi Ishizuka (Nagasaki Univ.), Toshiro Hirose (Nishimu Electronics Industries) EE2016-71 |
The problems of Dual Active Bridge (DAB) DC-DC converter are switching surge and hard switching under a specific conditi... [more] | EE2016-71 pp.117-122 |
| EE | 2017-01-26 14:45 |
Nagasaki | Nagasaki University | [Poster Presentation]
Consideration on the input capacitance of ISOP Converter System with Dual Active Bridge DC-DC Converter Kazuma Shiya, Yoichi Ishizuka (Nagasaki Univ) EE2016-74 |
The Dual Active Bridge (DAB) DC-DC converter is one of the most popular circuits for bidirectional applications because ... [more] | EE2016-74 pp.133-138 |
| EE | 2017-01-27 13:10 |
Nagasaki | Nagasaki University | Wide Load Range and High Power Efficiency Power Conversion with Unbalanced Parallel Operated LLC Resonant Converter Shotaro Karasuyama, Hisashi Yamanaka, Yoichi Ishizuka (Nagasaki Univ.), Hisatsugu Kato (Tabuchi Electric/Nagasaki Univ.) EE2016-82 |
One of the major issues for LLC current resonant converter is a large peak current because of resonance. If peak current... [more] | EE2016-82 pp.177-182 |
| EE | 2017-01-27 14:45 |
Nagasaki | Nagasaki University | Noise suppression technique with digital controller for 380V Full Bridge DC-DC Converters Hisashi Yamanaka, Kazuhide Domoto, Shoutaro Karasuyama, Yoichi Ishizuka (Nagasaki Univ) EE2016-85 |
Typically full-bridge (FB) converter is used as DC-DC converters for ICT equipment such as routers or servers,. FB conve... [more] | EE2016-85 pp.195-200 |
| EE | 2017-01-27 15:15 |
Nagasaki | Nagasaki University | 1MHz Flyback Converter with Tri-State Control Hayato Yamaoka, Akinori Hariya, Yoichi Ishizuka (Nagasaki Univ.) EE2016-86 |
An effective downsizing technique for Switching Mode Power Supply (SMPS) is raising the switching frequency. Fortunately... [more] | EE2016-86 pp.201-206 |
| EE | 2017-01-27 16:15 |
Nagasaki | Nagasaki University | High Speed Response POL with Parallel Number Switching Function According to Load Condition Shogo Hirota, Akinori Hariya, Yoichi Ishizuka (Nagasaki Univ.) EE2016-88 |
This paper presents the high speed response POL with parallel number switching function according to load condition. The... [more] | EE2016-88 pp.213-218 |
| EE, IEE-SPC | 2016-07-14 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Flyback Converter with Proposed Tri-State Control Hayato Yamaoka, Akinori Hariya, Yoichi Ishizuka (Nagasaki Univ.) EE2016-6 |
Switching mode power supply (SMPS) is demanded more downsizing. Most effective technique for that is raising the switchi... [more] | EE2016-6 pp.7-12 |
| ASN | 2016-05-12 16:55 |
Tokyo | Design of the wireless sensing network for slope stability monitoring Takuya, SasamuraSatoshi Sugimoto, Yoichi Ishizuka, Tomoyuki Fujishima, Takafumi Fujimoto, Shohei Iwasaki (Nagasaki Univ.), Koichiro Yamashita, Yasushi Kurihara (Fujitsu Lab.) ASN2016-10 |
The implementation report and some considerations for unstable slope monitoring technique with wireless sensor network s... [more] | ASN2016-10 pp.47-52 |
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| EE | 2016-01-28 16:30 |
Fukuoka | KURUME HOTEL ESPRIT | High Efficiency Design for ISOP Converter System with Dual Active Bridge DC-DC Converter Masaki Sato, Kazuhide Domoto, Yoichi Ishizuka (Nagasaki Univ.), Masahiro Yamaguchi (Tohoku Univ.), Shinya Manabe, Hiizu Okubo (RICOH Electronic Devices), Atsushi Itagaki (Ryowa Electronics) EE2015-13 |
The Dual Active Bridge (DAB) DC-DC converter is one of the most popular circuits for bi-directional applications because... [more] | EE2015-13 pp.25-30 |
| EE | 2016-01-28 16:50 |
Fukuoka | KURUME HOTEL ESPRIT | A Digital PFM Controlled 1MHz Switching Frequency Isolated DC-DC Converter with Nano-Second Delay Hirotaka Nonaka, Akinori Hariya, Shogo Hirota, Hayato Yamaoka, Yoichi Ishizuka (Nagasaki Univ.) EE2015-14 |
In this paper, a digital PFM controller with nsec order delay time for 1MHz switching frequency isolated DC-DC converter... [more] | EE2015-14 pp.31-36 |
| EE | 2016-01-29 09:00 |
Fukuoka | KURUME HOTEL ESPRIT | An Integrated Power Supply System with the Parallel Connected POL Kiminori Tanaka, Yoichi Ishizuka (Nagasaki Univ.), Tamotsu Ninomiya (Green Electronics Research Institute Kitakyushu) EE2015-15 |
In this study, multiple connected point of load (POL) for full integrated voltage regulator (FIVR)is proposed. The propo... [more] | EE2015-15 pp.37-42 |
| EE | 2016-01-29 09:20 |
Fukuoka | KURUME HOTEL ESPRIT | nsec. Level response digital controller with GaN-HEMT POL Shogo Hirota, Akinori Hariya, Hirotaka Nonaka, Yoichi Ishizuka (Nagasaki Univ.) EE2015-16 |
[more] | EE2015-16 pp.43-47 |
| EE | 2016-01-29 09:40 |
Fukuoka | KURUME HOTEL ESPRIT | Dynamic characteristic analysis in the proposal technique of the Dual Active Bridge DC/DC converter Shogo Kajiwara, Koki Mine, Kazuhide Domoto, Yoichi Ishizuka (Nagasaki Univ.), Toshiro Hirose (Nisimu Electronics) EE2015-17 |
A Dual-Active-Bridge (DAB) DC-DC converter has a unique problem of hard switching operation and switching surge in a spe... [more] | EE2015-17 pp.49-54 |
| EE | 2016-01-29 10:00 |
Fukuoka | KURUME HOTEL ESPRIT | A power efficiency improvement method for the boost mode of bidirectional dual active bridge DC-DC converter Koki Mine, Shogo Kajiwara, Kazuhide Domoto, Yoichi Ishizuka (Nagasaki Univ), Toshiro Hirose (Nishimu Electronics) EE2015-18 |
A Dual Active Bridge(DAB)DC-DC converter has problem such as a hard switching operation and a switching surge in a speci... [more] | EE2015-18 pp.55-60 |
| EE | 2016-01-29 11:30 |
Fukuoka | KURUME HOTEL ESPRIT | Soft-Switching Operating of Proposed Edge-Resonant Full-Bridge Converter Kazuhide Domoto, Yoichi Ishizuka (Nagasaki Univ), Seiya Abe (kyushu tech.), Tamotsu Ninomiya (Green Electronics Research Institute, Kitakyushu) EE2015-22 |
An output-inductor-less full-bridge converter for the HVDC power distribution system has been proposed. This circuit top... [more] | EE2015-22 pp.79-84 |
| EE | 2016-01-29 13:40 |
Fukuoka | KURUME HOTEL ESPRIT | Optimization of a Transformer Used for LLC Resonant DC-DC Converters for Photovoltaic Cells Hisatsugu Kato (Tabuchi), Shotaro Karasuyama, Yoichi Ishizuka (Nagasaki Univ.), Kohei Ueda, Atsushi Ogasawara (Tabuchi) EE2015-25 |
[more] | EE2015-25 pp.97-102 |
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