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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 82  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EE 2024-03-11
10:40
Tokyo
(Primary: On-site, Secondary: Online)
Experimental Comparison of Soft Charging Operation in Always-Dual-Path Hybrid DC-DC Converter
Katsuhiro Hata (Univ. of Tokyo), Shinsaku Tanaka, Toru Ashikaga, Yasuhiro Rikiishi (Sanken Electric) EE2023-61
An always-dual-path hybrid (ADPH) DC-DC converter with soft charging simultaneously reduces inductor current and suppres... [more] EE2023-61
pp.26-31
EE 2024-01-19
15:00
Kagoshima
(Primary: On-site, Secondary: Online)
Load-independent Class-E Inverter with Constant-Current and Constant-Voltage Output
Wenqi Zhu, Ayano Komanaka, Yutaro Komiyama, Nguyen Kien, Hiroo Sekiya (Chiba Univ.) EE2023-56
This research proposes a reconfigurable load-independent class-E inverter with a parallel resonant structure, which can ... [more] EE2023-56
pp.93-97
EE, CPM, OME 2023-12-08
16:35
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
LLC Resonant Converter Considering Leakage Inductance of Current Doubler Rectifier
Koki Mori, Akito Tabata, Yoichi Ishizuka (Nagasaki Univ.) EE2023-34 CPM2023-90 OME2023-61
LLC resonant converters are widely used in various applications because of their relatively simple structure and high ef... [more] EE2023-34 CPM2023-90 OME2023-61
pp.53-57
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:20
Yamagata Yamagata University
(Primary: On-site, Secondary: Online)
Load-Independent Class-E Inverter Design Focusing on External Quality Factor
Akihiko Ishiwata, Yasumasa Naka, Masaya Tamura (Toyohashi Univ. of Tech.) EMCJ2023-57 MW2023-111 EST2023-84
The Load-Independent ZVS Class-E Inverter has attracted attention as a power supply circuit for WPT systems. The inverte... [more] EMCJ2023-57 MW2023-111 EST2023-84
pp.113-118
EE, IEE-SPC 2023-07-20
15:30
Hyogo
(Primary: On-site, Secondary: Online)
A multi-receiver WPT system with load-independent class-E/F inverter
HanXiao Wang, Yutaro Komiyama, Xiuqin Wei, Akihiro Konishi, Kien Nguyen, Hiroo Sekiya (Chiba Univ.) EE2023-12
This paper proposes a multiple receivers wireless power transfer (WPT) system using the load-independent class-E/F inver... [more] EE2023-12
pp.61-66
AP, SANE, SAT
(Joint)
2023-07-12
11:00
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
[Invited Lecture] Development of an Antenna Switching MIMO Channel Sounder with Software Defined Radio
Togo Ikegami, Minseok Kim (Niigata Univ.) AP2023-30
Propagation channel measurement is essential for the proper design of wireless communication systems. Channelsounders an... [more] AP2023-30
pp.1-6
EE 2023-01-19
13:15
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
[Invited Talk] Whole element loss analysis by Scideam -- Proposal to realize the front loading --
Soichiro Nakamura, Masatoshi Nakahara (SEL) EE2022-36
Conventionally, in order to perform loss analysis, loss is often calculated using theoretical formulas and approximation... [more] EE2022-36
pp.33-58
EE 2023-01-19
17:05
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Load-independent constant-current output series-resonant inverter
Yutaro Komiyama, Wenqi Zhu (Chiba Univ.), Xiuqin Wei (Chiba Tech.), Kien Nguyen, Hiroo Sekiya (Chiba Univ.) EE2022-42
In this paper, we propose a load-independent (LI) constant-current (CC) output series-resonant inverter. The pro- posed ... [more] EE2022-42
pp.89-94
EE 2023-01-20
14:40
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Analysis and Design on a Receiver-side PWM-based Load-Independent ZVS Class-E2 Wireless Power Transfer
Shoma Shimizu, Tomokazu Mishima (Kobe Univ.) EE2022-51
A high efficiency and low-profile high frequency,(HF) power converter is essential for a magnetically resonant wireless ... [more] EE2022-51
pp.139-144
MW, WPT 2022-04-15
15:40
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter
Yuji Komatsuzaki (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen (Nokia Bell Labs), Shuichi Sakata (Mitsubishi Electric), Rui Ma (MERL), Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric), Peter Asbeck (UCSD) WPT2022-11 MW2022-11
We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier ... [more] WPT2022-11 MW2022-11
pp.40-45
EE, IEE-SPC
(Joint)
2022-03-10
15:55
Online Online Guidelines for Selecting Operation Modes of Soft-switching Active Bridge Converters for Inductive Power Transfer obtaining Higher Efficiency
Ryohei Okada, Ryosuke Ota, Nobukazu Hoshi (Tokyo Univ. Sci.) EE2021-57
In order to increase the output capacity of the inductive power transfer (IPT) system for electric vehicles, a reduction... [more] EE2021-57
pp.29-34
KBSE, IPSJ-SE, SS [detail] 2021-07-08
13:50
Online Online (Zoom) A Context-Oriented Software Architecture for Switching Indoor Positioning Methods
Ryosuke Shozawa, Yu Ogawa, Ryu Fujita, Atsushi Sawada, Masami Noro (Nanzan Univ) SS2021-4 KBSE2021-16
In an outdoor environment, navigation applications running on our smartphones normally adopt the positioning method base... [more] SS2021-4 KBSE2021-16
pp.19-24
EE, IEE-SPC
(Joint)
2021-03-01
16:50
Online Online Design of Load-Independent Class-E^2 DC-DC Converter
Tatsuki Osato (Chiba Univ.), Xiuqin Wei (CIT), Nguyen Kien, Hiroo Sekiya (Chiba Univ.) EE2020-45
This paper presents a design of load-independent class-E^2 DC-DC converter consist of load-independent class-E inverter ... [more] EE2020-45
pp.28-33
EE 2021-01-25
15:45
Online Online (Zoom) High-Order Harmonics-involved Frequency Domain Analysis on a Current-fed Snubber-less ZCS Step-Up DC-DC Converter
Ryusei Miyazaki, Tomokazu Mishima (Kobe Univ.) EE2020-36
Recently, the installation of smart grids has been actively promoted from the viewpoint of stabilizing power supply and ... [more] EE2020-36
pp.69-74
EE 2021-01-25
16:10
Online Online (Zoom) Current resonance type soft switching converter using Cockcroft-Walton circuit
Eita Morii, Kazuki Mine, Yuichi Noge, Masahito Shoyama (Kyushu Univ.) EE2020-37
A high step-up ratio isolated DC-DC converter using a step-up transformer and a Cockcroft-Walton (CW) circuit is used fo... [more] EE2020-37
pp.75-80
EE 2020-01-16
13:10
Kagoshima HOUZAN HALL Current resonant soft switching converter using Cockcroft-Walton circuit
Eita Morii, Masahito Shoyama, Otuka Ryota (Kyushu Univ.) EE2019-71
The power circuit of the X-ray irradiation device uses a high step-up ratio insulated DC-DC converter using a step-up tr... [more] EE2019-71
pp.129-134
EE 2020-01-16
14:00
Kagoshima HOUZAN HALL Operation Mechanism of Active Clamp Resonant SEPIC Converter
Kazuki Tsuji, Kazuhiro Kajiwara (NiAS), Satoshi Ikeda (Panasonic), Nobumasa Matsui, Fujio Kurokawa (NiAS) EE2019-73
The resonant dc-dc converter is useful for high power efficiency of the power converter. However, it has a problem that ... [more] EE2019-73
pp.141-146
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, IEE-SPC
(Joint)
2019-03-07
15:20
Okinawa   Efficiency Improvement of Bi-directional Inductive Power Transfer System by Adjusting The Length of Dead Time
Ryosuke Ota, Nobukazu Hoshi (TUS) EE2018-60
There is a case that snubber capacitors are connected in parallel to switching devices for applying soft switching techn... [more] EE2018-60
pp.13-18
WPT, EE
(Joint)
2018-10-03
11:25
Kyoto Kyoto Univ. Uji Campus Operation Characteristics of Input-Series-Output-Parallel LLC Resonant DC-DC Converter based on Interleaved Principle and Its Experimental Evaluations
Masaki Hanauchi, Tomokazu Mishima (Kobe Univ.) EE2018-19
An Input-series-output-parallel (ISOP) switching power converter topology is suitable for electric power processing arch... [more] EE2018-19
pp.7-10
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