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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE | 2024-01-19 09:55 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Modeling method that separates the main circuit and modulator of a digitally controlled switching converter Takazumi Maeda, Hideaki Funaki, Yuichi Noge, Masahito Syoyama (Kyudai), Yu Yonezawa (Meidai), Akihiko Miyazawa (Model Core Institute)  EE2023-47 |
To design a controller for a switching power supply, it is necessary to know the characteristics of the main circuit and... [more] | EE2023-47 pp.43-48 |
| EE | 2024-01-19 10:20 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Loop Transfer Function of Digital Voltage-Mode Multi-Cycle Controlled Converters Hideaki Funaki, Takazumi Maeda, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa (Nagoya Univ.), Akihiko Miyazawa (MDcore Labs) EE2023-48 |
SMPSs can be made smaller and lighter by increasing their switching frequency. However, it is generally difficult to rea... [more] | EE2023-48 pp.49-53 |
| EE, CPM, OME | 2023-12-09 10:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Application of Microcontrollers for Digital Power Supply Control and Digital Control Technology to LED Lighting Power Supplies Toshihiro Nakano, Kazushige Hirata, Mitsutomo Yoshinaga, Kengo Koike (Sanken Electric) EE2023-37 CPM2023-93 OME2023-64 |
By using a digital power supply control microcontroller (MD series), we have achieved various improvements in power supp... [more] | EE2023-37 CPM2023-93 OME2023-64 pp.67-70 |
| EE, IEE-SPC | 2023-07-20 14:10 |
Hyogo | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Trends in high-power digital control that has entered the practical phase and the latest power supply controllers Yuichi Ishihama, Etsuo Hotoda, Thierry Moreau (MCHP) EE2023-10 |
With the expansion of large power conversion equipment such as solar power generation and electric vehicles, various dem... [more] | EE2023-10 pp.51-54 |
| EE | 2021-01-25 10:55 |
Online | Online (Zoom) | Aged Deterioration Detection of DC-DC Converter Yasuyuki Koga (NiAS), Yudai Furukawa (Fukuoka University), Kazuhiro Kajiwara, Nobumasa Matsui, Fujio Kurokawa (NiAS), Yoshiyasu Nakashima, Yu Yonezawa (FUJITSU Advanced Technology) EE2020-27 |
In recent years, information and communication services have continued to develop, and the power supply is one of their ... [more] | EE2020-27 pp.22-26 |
| EE | 2020-01-16 13:35 |
Kagoshima | HOUZAN HALL | Digitally controlled LLC converter with burst mode operation Tomohiro Hirabara, Terukazu Sato (Oita Univ.) EE2019-72 |
Burst mode operation is performed to improve efficiency and voltage control in the light load region of LLC converter. I... [more] | EE2019-72 pp.135-139 |
| EE, CPM, OME | 2018-11-21 15:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Talk]
Application of the Approximate 2-Degree-of-Freedom Algorithm for Improving Transient Response of Low-Voltage, High-Current POL Converters Soichiro Shimokawa (Sanken Ele.), Kohji Higuchi (R&D UEC ASEAN RESEARCH CENTER), Masaru Nakamura, Shinji Aso, Masao Ueno, Kengo Koke (Sanken Ele.) EE2018-32 CPM2018-60 OME2018-20 |
LSIs such as FPGAs used in servers and telecommunication equipments are being developed at lower voltages and higher cur... [more] | EE2018-32 CPM2018-60 OME2018-20 pp.35-40 |
| 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 | 2016-11-29 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Digital PID Control Using High Order Predictive Control Takayuki Yoshiyama, Terukazu Sato, Kimihiro Nishijima (Oita Univ.) EE2016-43 |
In this paper, it is described Digital PID Control by using High Order Predictive Control. That uses PID Control by usin... [more] | EE2016-43 pp.75-79 |
| ICD, MW | 2016-03-04 14:45 |
Hiroshima | Hiroshima University | A Design of 0.7-V 400-MHz All-Digital Phase-Locked Loop for Implantable Biomedical Devices Jungnam Bae, Saichandrateja Radhapuram, Ikkyun Jo, Weimin Wang (Osaka Univ.), Takao Kihara (Osaka Institute of Tech.), Toshimasa Matsuoka (Osaka Univ.) MW2015-212 ICD2015-135 |
A low-voltage controller-based all-digital phase-locked loop (ADPLL) uti lized in the medical implant communication ser... [more] |
MW2015-212 ICD2015-135 pp.217-222 |
| 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 10:50 |
Fukuoka | KURUME HOTEL ESPRIT | DSP-Controlled Synchronous Rectification Scheme for Efficiency Improvement of LLC Resonant Converter under Light Load Mitsuru Sato, Reo Takiguchi, Jun Imaoka, Masahito Shoyama (Kyushu Univ.) EE2015-20 |
this paper proposed Synchronous rectification control method for LLC resonant converter by using digital controller. In ... [more] | EE2015-20 pp.67-72 |
| EE, CPM | 2015-02-27 11:15 |
Tokyo | NTT Musashino R&D Center | A Digital PFM Controller with Suppressed Time-Delay within 1μs Hirotaka Nonaka, Akinori Hariya, Naoto Miyaki, Shogo Hirota, Yoichi Ishizuka (Nagasaki Univ.) EE2014-44 CPM2014-158 |
In this paper, a digital pulse width modulation (PFM) controller for the non-isolated DC-DC Converter has been proposed.... [more] | EE2014-44 CPM2014-158 pp.19-24 |
| EID, ITE-IDY, IEIJ-SSL, IEE-EDD, SID-JC [detail] | 2015-01-22 15:08 |
Kyoto | Ryukoku University | Development of high frame rate LED screen by column-parallel processing Kengo Sato, Teppei Kobayashi, Akinori Tsuji, Shiro Suyama (Univ. of Tokushima), Hirotsugu Yamamoto (Utsunomiya Univ.) |
We have developed a high-frame-rate LED screen. Conventional LED display architecture has a latency problem between LED ... [more] | |
| EE, WPT (Joint) |
2014-11-18 13:50 |
Kyoto | Doshisha University | An Application of a Proposed Digital Controller with Nano-second Delay for DC-DC Converters Naoto Miyaki, Akinori Hariya, Hirotaka Nonaka, Yoichi Ishizuka (Nagasaki Univ.) EE2014-23 |
In recent years, switch mode power supplies are desired high power density. The key factors of the power density are hig... [more] | EE2014-23 pp.25-30 |
| ICD, SDM | 2014-08-04 11:15 |
Hokkaido | Hokkaido Univ., Multimedia Education Bldg. | Testability Improvement for 12.8 GB/s Wide IO DRAM Controller with Small Area Prebonding TSV test and 1GHz Sampled Fully Digital Noise Monitor Takao Nomura, Ryo Mori, Koji Takayanagi, Toshihiko Ochiai, Kazuki Fukuoka, Tsuyoshi Kida, Koji Nii, Sadayuki Morita (REL) SDM2014-65 ICD2014-34 |
We developed a Wide IO DRAM controller chip with Through Silicon Via (TSV) technology. Test circuitry is embedded in the... [more] | SDM2014-65 ICD2014-34 pp.17-21 |
| EA | 2014-03-28 17:15 |
Tokyo | NHK Science & Technology Research Labs. | A study of directional speaker using a digitally direct-driven system Takemichi Ishikawa, Syuma Yokoyama, dai Takahashi, Satochi Saikatu, Akira Yasuda (Hosei Univ.) EA2013-127 |
The paper proposes a novel directive control method with amplitude-phase control for a beam forming speaker by using a d... [more] | EA2013-127 pp.43-48 |
| EE | 2014-01-23 14:45 |
Miyazaki | MIYAZAKI KANKO HOTEL | Dead-Time Controlled Digital-PSU for Server and Automatic Optimization Method of its Dead-Time Table Suitable for Mass-Production Hisato Hosoyama (FUJITSU Advanced Technologies), Yu Yonezawa (FUJITSU LAB), Atsushi Manabe (FUJITSU Advanced Technologies), Tomotake Sasaki, Yoshinobu Matsui (FUJITSU LAB) EE2013-34 |
To produce the high efficiency power supply for the server, the authors applied a dead-time control method with a digita... [more] | EE2013-34 pp.19-23 |
| EE | 2014-01-24 09:00 |
Miyazaki | MIYAZAKI KANKO HOTEL | Frequency Response Analysis of Sub-us Response Digital Controller for POL Kenji Mii, Hirotaka Nonaka (Nagasaki Univ.), Daisuke Kanemoto (Yamanashi Univ.), Yoichi Ishizuka (Nagasaki Univ.) EE2013-39 |
In this paper， the proposed hardware logic type digital controller for on-board SMPS which has a very small time-delay i... [more] | EE2013-39 pp.49-54 |
| EE | 2014-01-24 13:50 |
Miyazaki | MIYAZAKI KANKO HOTEL | A Digital Controller and Insulation Method with nsec-Order Delay for Isolated DC-DC Converters Fumiaki Takenami, Naoto Miyaki, Kenji Mii, Yoichi Ishizuka (Nagasaki Univ.) EE2013-47 |
In recent years, electrical energy desired to use at high efficiency. In order to do so, it is important to improve the ... [more] | EE2013-47 pp.97-102 |
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