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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 76件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EE, IEE-SPC
(Joint)
2020-03-05
14:29
Nagasaki   A Consideration of Loss Analysis Method for Magnetic Transformer in LLC DC-DC Converter
Fumiya Shiraishi, Fumiya Iwasaki, Yuichi Yokoi (Nagasaki Univ.), Takahiro Koga (ANSYS), Yoichi Ishizuka (Nagasaki Univ.)
(To be available after the conference date) [more]
EE, OME, CPM 2019-11-26
09:20
Tokyo Japan Society for the Promotiton of Machine Industry Feasibility Study of Variable Voltage Sources for IGBT Drive Circuits
Kazuto Ura, Yoichi Ishizuka (Nagasaki Univ.) EE2019-36 CPM2019-78 OME2019-22
High-power / high-voltage converters are used in housings for industrial and automotive applications, and insulated gate... [more] EE2019-36 CPM2019-78 OME2019-22
pp.1-6
EE, OME, CPM 2019-11-26
09:45
Tokyo Japan Society for the Promotiton of Machine Industry Wireless Power Supply System for Sensors with Rectenna for Outdoor Wireless Sensor Networks
Ryoma Takaesu, Yoichi Ishizuka, Guan Chai-Eu, Takafumi Fujimoto, Satoshi Sugimoto, Shohei Iwasaki (Nagasaki Univ.) EE2019-37 CPM2019-79 OME2019-23
In this study, we propose a ground / soil monitoring system using wireless sensor network as a new countermeasure agains... [more] EE2019-37 CPM2019-79 OME2019-23
pp.7-12
WPT, EE
(Joint)
2019-10-09
09:35
Shiga Ryukoku Extension Center, Ryukoku University Power Supply System for DC Microgrid with Triple Active Bridge Converter and Second Life Battery
Daisuke Yamashita, Yoichi Ishizuka (Nagasaki Univ.) EE2019-26
At present, DC microgrid systems that can integrate renewable energy at low cost and flexibly in various power situation... [more] EE2019-26
pp.1-6
WPT, EE
(Joint)
2019-10-09
09:55
Shiga Ryukoku Extension Center, Ryukoku University Control Technique of Dual Active Bridge Maintaining Soft-Switching at Different Voltage Ratio
Takeshi Uchida, Yoichi Ishizuka (Nagasaki Univ.), Toshiro Hirose (Nishimu), Yuta Kotsubo (Nagasaki Univ.) EE2019-27
In recent years, solar power generation and electric vehicles have attracted attention. Such a system includes a power s... [more] EE2019-27
pp.7-12
EE 2019-01-16
11:30
Kumamoto KCIC High Speed Response Controller for DC-DC Converter
Hirotaka Yamashita, Yoichi Ishizuka (Nagasaki Univ.), Yuichi Ishihama (Microchip Technology Japan K.K.) EE2018-40
Recently, electronic devices such as smartphones have become widespread. Also, from the viewpoint of environmental probl... [more] EE2018-40
pp.13-18
EE, CPM, OME 2018-11-21
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. LLC DC-DC Converter with Flyback-Operation for Expanding the Regulation Range
Hiroki Nakashima, Yoichi Ishizuka (Nagasaki Univ.), Hisatsugu Kato (Tabuchi Electric Co.,LTD) EE2018-26 CPM2018-54 OME2018-14
 [more] EE2018-26 CPM2018-54 OME2018-14
pp.1-6
EE, CPM, OME 2018-11-21
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. A Design for Series Inductance of Wide Band Frequency Range Active Bridge DC-DC Converter
Yohei Araki, Yoichi Ishizuka (Nagasaki Univ.), Eiji Tkegami (TDK-Lambda) EE2018-27 CPM2018-55 OME2018-15
 [more] EE2018-27 CPM2018-55 OME2018-15
pp.7-12
EMCJ, WPT
(Joint)
2018-06-14
16:20
Nagasaki   Utilization of rectenna in wireless sensor network for erosion monitoring
Shintaro Uto, Guan Chai Eu, Takafumi Fujimoto, Yoichi Ishizuka, Toshihiro Okumatsu, Tomoyuki Fujishima, Satoshi Sugimoto, Shohei Iwasaki (Nagasaki Univ.) WPT2018-13
In this study, a wireless sensor network system for erosion monitoring of the bridge is proposed. This system consists o... [more] WPT2018-13
pp.19-22
ASN 2018-01-31
14:20
Oita Yufugo-kan (Oita) Rectenna for a Hard-Reset Circuit of Node Terminals in Wireles Sensor Network
Jumpei Miike, Takafumi Fujimoto, Yoichi Ishizuka, Fujishima Tomoyuki, Satoshi Sugimoto, Shouhei Iwasaki, Yuki Nishikawa (Nagasaki Univ.) ASN2017-113
Authors have proposed wireless sensor network for monitoring slope. When malfunctions occur in the node terminals, the t... [more] ASN2017-113
pp.169-174
ASN 2018-01-31
15:10
Oita Yufugo-kan (Oita) Study of Wireless Sensor Network for Modeling of Slope Field
Yuki Nishikawa, Yoichi Ishizuka, Satoshi Sugimoto, Shohei Iwasaki, Takafumi Fujimoto, Tomoyuki Fujishima (Nagasaki Univ), Koichiro Yamashita, Takahisa Suzuki (Fujitsu Lab) ASN2017-115
This paper presents implementation report for slope monitoring on Wireless Sensor Network (WSN) system by use of IEEE802... [more] ASN2017-115
pp.181-186
EE 2018-01-30
09:00
Oita Satellite Campus Oita Adaptive Controlled High Power Efficiency Dual Active Bridge DC-DC Converter
Soejima Takaaki, Yoichi Ishizuka (Nagasaki Univ.), Toshiro Hirose (Nishimu Electronics Industries Co.) EE2017-64
Hard switching and switching surge are critical issues in Dual Active Bridge (DAB) DC-DC converter under the light load.... [more] EE2017-64
pp.127-132
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
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