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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 178  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
WPT 2019-03-08
09:00
Kyoto Kyoto Univ. Uji Campus Coupler Design Criterion Considering Maximum Transmission Efficiency by kQ Product and Element Power Loss of Matching Circuit
Hikaru Kitaoka, Daiki Yaginuma, Ryoichi Baba, Takashi Ohira (TUT) WPT2018-81
In the wireless power transmission system, efficiency improvement of the coupler is being studied for improving entire t... [more] WPT2018-81
pp.89-93
 Results 1 - 20 of 178  /  [Next]  
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