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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2023-11-10 14:50 |
Tokyo | Hachijomachi-Shokokai (Primary: On-site, Secondary: Online) |
[Invited Talk]
Sophomore Created Straight Radio Listens to Analog AM Wave Broadcast Takashi Ohira (TUT)  WPT2023-29 |
Wireless power transfer systems are going to range from kHz to MHz and even GHz frequencies. Toward the effective develo... [more] | WPT2023-29 p.32 |
| MW | 2022-06-09 15:45 |
Nagano | Naganoken Nokyo Building (Primary: On-site, Secondary: Online) |
[Invited Talk]
Eight Plane Figures to Inspire RF Circuit Starters Takashi Ohira (Toyohashi Univ. Tech.) MW2022-27 |
Plane geometry, in academia, often helps students intuitively understand something hard to do with algebra. Graphics giv... [more] | MW2022-27 p.20 |
| MW, WPT | 2022-04-15 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Capacitive wireless power transfer system with misalignment tolerance Yasumasa Naka, Minoru Mizutani, Shinji Abe, Takashi Ohira (PW) WPT2022-2 MW2022-2 |
This report presents a capacitive wireless power transfer system with misalignment tolerance of a wireless coupler. We e... [more] | WPT2022-2 MW2022-2 pp.6-9 |
| MW | 2022-03-03 10:15 |
Online | Online | Applicability of Phase Modulation Scheme for Wireless Power Transmission System to Simultaneously Deliver Power and Signals Takuro Ito, Masashi Nakatsugawa (NIT, Hakodate College), Shinji Abe, Takashi Ohira (TUT) MW2021-114 |
IoT and 5G systems are being introduced in the world. Wireless power transmission with information can further expand th... [more] | MW2021-114 pp.18-23 |
| AP, WPT (Joint) |
2022-01-21 10:50 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Simulation study of Drainage Type High-Efficiency Electrified Roadway for Capacitive Power Transfer in Motion Shoi Yokono, Minoru Mizutani, Takashi Ohira (TUT), Sonshu Sakihara, Testuo Endo, Takefumi Shindo (Taisei Corp.), Kenji Karaki, Takashi Watanabe, Masakazu Jomoto (Taisei Rotec Corp.) WPT2021-17 |
Capacitive-coupling wireless power transfer is advantageous because continuous dynamic powering along a roadway of tens ... [more] | WPT2021-17 pp.9-12 |
| AP, WPT (Joint) |
2022-01-21 11:15 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Cut-off Phenomenon Observed in Parallel Combining RF Diode Rectifiers Ryoya Honda, Shinji Abe, Takashi Ohira (TUT) WPT2021-18 |
We investigated the behavior of a radio frequency (RF) rectifier array receiving unequal levels of RF power. To consider... [more] | WPT2021-18 pp.13-16 |
| WPT | 2020-06-11 13:30 |
Online | Online | Frequency Swept Matching Network to Exhibit a Spiral Locus on the Smith Chart: Design Theory Asako Suzuki (Nagoya Univ.), Satoshi Tsukamoto, Takashi Ohira (TUT) WPT2020-12 |
This paper proposes a passive network that exhibits a spiral impedance trajectory in frequency response. One loose-coupl... [more] | WPT2020-12 pp.7-10 |
| MW, WPT | 2020-04-23 14:40 |
Online | Online | Immittance Mapping of LCR Elements and Transmission Lines on the Beltrami-Klein Disk Takashi Ohira (TUT) WPT2020-6 MW2020-6 |
[more] | WPT2020-6 MW2020-6 pp.31-34 |
| WPT | 2020-03-06 14:20 |
Kyoto | (Cancelled but technical report was issued) |
[Invited Lecture]
Prototype of 13.56 MHz Capacitive-Coupling Wireless in-Motion Powered Mini 4WD Assembled within Fifty Dollars Ryota Gibo, Tsukasa Yoshida, Ryoya Honda, Shinji Abe, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-65 |
We report on the Mini 4WD model car featuring a concept “10 COINS” which is devised for the contest “Wireless Powered Mi... [more] | WPT2019-65 pp.37-42 |
| AP, WPT (Joint) |
2020-01-24 12:30 |
Kagawa | Sunport Hall Takamatsu | [Invited Lecture]
Capacitive Coupling Wireless Power Transfer for a Running Mini 4WD
-- RF Theory and Techniques to Run Through 4 meters in a Single Second Range -- Hikaru Kitaoka, Ryota Gibo, Satoshi Koyama, Chiathong Korya, Shoichi Isogai, Shinji Abe, Takashi Ohira (Toyohashi Univ. Tech.) AP2019-170 WPT2019-53 |
We prototyped “Large is justice! Ultra high coupling capacity wireless power transfer” for the contest entitled “Mini 4W... [more] | AP2019-170 WPT2019-53 pp.111-116(AP), pp.23-28(WPT) |
| WPT | 2019-12-11 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Suppression of Leakage Electromagnetic Field for Automatic Guided Vehicles Using Capacitive Coupling Wireless Power Transfer
-- Suppression of Leakage from Tx Electrode -- Junya Shintani, Shinji Abe, Naoki Sakai, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-46 |
Capacitive coupling WPT is keenly expected to work for automatic guided vehicles (AGV) in motion. However, a serious pr... [more] | WPT2019-46 pp.11-16 |
| WPT | 2019-12-11 16:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Loss Factor Analysis of Electrified Roadway for Capacitive Wireless Power Transfer in Motion Yuto Mochizuki, Shinji Abe, Minoru Mizutani, Naoki Sakai, Takashi Ohira (TUT) WPT2019-47 |
[more] | WPT2019-47 pp.17-22 |
| WPT (2nd) |
2019-10-31 - 2019-11-02 |
Overseas | Xidian University | Minimum Size Design of Capacitive Coupler for Wireless Power Transfer to Achieve Specified Power Efficiency Hikaru Kitaoka, Shinji Abe, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) |
We are interested in minimum size design of capacitive coupler for wireless power transfer. There is a trade-off between... [more] | |
| WPT (2nd) |
2019-10-31 - 2019-11-02 |
Overseas | Xidian University | [Invited Lecture]
RF Input Impedance Formula on Single-Series Diode Rectifiers Featuring Flow-Angle Equation Shinji Abe, Takashi Ohira (Toyohashi Univ. Tech.) |
Rectifiers have two functions; one is well-known RF-to-DC power conversion. This is often discussed in system design su... [more] | |
| WPT, EE (Joint) |
2019-10-09 14:10 |
Shiga | Ryukoku Extension Center, Ryukoku University | Maximum Power Efficiency of Matching Circuits Formulated from TX-RX Symmetric Shape Electric and Magnetic Coupler Size for Wireless Power Transfer Hikaru Kitaoka, Shinji Abe, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-33 |
We are interested in minimum size design of capacitive coupler for wireless power transfer. When we reduce the size of t... [more] | WPT2019-33 pp.37-42 |
| WPT, EE (Joint) |
2019-10-09 14:30 |
Shiga | Ryukoku Extension Center, Ryukoku University | [Invited Lecture]
Rectifier-Oriented 6.78 MHz 1.5 W Solid-State Switch-Matching Circuit Ryota Gibo, Shinji Abe, Shogo Nishioka, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-34 |
This report presents ideas, design and implementation for “IEICE WPT Competition 2019 Spring - Junp over the wall in fro... [more] | WPT2019-34 pp.43-46 |
| WPT | 2019-06-11 09:30 |
Hokkaido | Hokkaido Univ. | [Invited Lecture]
400 cm capacitive dynamic-powering Mini 4WD Shinji Abe, Shogo Nishioka, Takaaki Masaki, Ryoichi Baba, Keisuke Miyaji, Ryota Gibo, Shoichi Isogai, Takashi Ohira (Toyohashi Univ. Tech.) |
[more] | |
| MW, ICD | 2019-03-14 11:20 |
Okinawa | High power microwave impedance real-time measurement system Asako Suzuki (Adamant Namiki), Kaiji Nakahara, Motoaki Miyazaki, Naoki Ejima, Naoki Sakai, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) MW2018-159 ICD2018-103 |
We propose a compact RF high power real-time reflection coefficient measurement system. This system consists of four par... [more] | MW2018-159 ICD2018-103 pp.19-22 |
|
| MW, ICD | 2019-03-14 14:50 |
Okinawa | A tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep Asako Suzuki (Adamant Namiki), Motoaki Miyazaki, Naoki Sakai (Toyohashi Univ. Tech.), Toshio Ishizaki (Ryukoku Univ.), Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) MW2018-164 ICD2018-108 |
We propose a tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep and an automa... [more] | MW2018-164 ICD2018-108 pp.43-48 |
|
| EE, IEE-SPC (Joint) |
2019-03-07 15:00 |
Okinawa | Regulation Scheme for Output-Voltage Distortion Compensation of Half-Bridge AC-AC Converters Daiki Yaginuma, Hikaru Kitaoka, Yuichiro Karakawa, Takashi Ohira (Toyohashi Univ. of Tech.) EE2018-59 |
This paper considers regulation scheme for output-voltage distortion compensation at 400 V/100 V AC-AC conversion by a s... [more] | EE2018-59 pp.7-12 |
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