Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WPT, EE (Joint) |
2024-10-11 10:50 |
Kyoto |
Wood Composite Hall, Kyoto Univ. (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Implementation and Evaluation of Complex MPPT Algorithm using Microcontroller Takuro Toyonaga, Hideki Jonokuchi, Hiroshi Hirayama (NIT) WPT2024-20 |
[more] |
WPT2024-20 pp.28-32 |
EMCJ, WPT, EMD (Joint) |
2024-07-19 16:40 |
Tokyo |
(Tokyo) |
[Invited Talk]
A Consideration of Distance Property of Maximum Transmission Efficiency for Coupled and Radiative Wireless Power Transfer Hiroshi Hirayama (NIT) WPT2024-14 |
For the purpose of a comprehensive understanding of microwave (radiated) and coupled wireless power transmission, the di... [more] |
WPT2024-14 pp.1-6 |
AP, WPT (Joint) |
2024-01-17 15:00 |
Niigata |
Tokimate, Niigata University (Niigata, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Basic Study of Radio Signal Strength Prediction Method Using 3D CNN for a Factory Ryotaro Okuda, Tomoaki Nonome, Naoki Kato, Seiichi Harata, Takuto Sakuma, Shohei Kato, Hiroshi Hirayama (NIT) AP2023-163 |
[more] |
AP2023-163 pp.19-23 |
WPT |
2023-11-10 13:00 |
Tokyo |
Hachijomachi-Shokokai (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Experimental Verification of RF-DC Conversion Circuit Using Complex MPPT with Transmission Lines Madoka Suga, Hiroshi Hirayama (NIT) WPT2023-26 |
[more] |
WPT2023-26 pp.17-20 |
MW |
2022-12-16 11:25 |
Mie |
Jingu-Kaikan(Ise) (Mie, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Increasing Efficiency of Power Amplifiers for Microwave Power Transfer by PA- Antenna Co-design Shinji Hara, Noriyuki Tanba (Nagoya Univ.), Hiroshi Hirayama (Nitech) MW2022-144 |
The efficiency is important in power amplifiers. For wireless communication applications which transfer signals, there a... [more] |
MW2022-144 p.64 |
AP, MW (Joint) |
2022-09-15 12:00 |
Ehime |
The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Examination of Characterization Method for Matching Circuit-less Power Amplifiers Noriyuki Tanba (NU), Hiroshi Hirayama (NITech), Shinji Hara (NU) MW2022-76 |
The characterization of the matching circuit-less power amplifier (PA) and the PA in the PA-integrated antenna (PIA), pr... [more] |
MW2022-76 pp.42-47 |
AP |
2022-02-18 09:25 |
Online |
Online (Online) |
A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2021-167 |
In this paper, an H-shape slot patch antenna designed at 5.8 GHz with F-class load impedance for microwave power transfe... [more] |
AP2021-167 pp.50-54 |
EE, WPT (Joint) |
2021-10-05 13:00 |
Online |
Online (Online) |
Proposal of RF-DC Conversion Circuit with Complex MPPT Using 90° Hybrid Kozaburo Tanahashi, Hiroshi Hirayama (NIT) WPT2021-7 |
[more] |
WPT2021-7 pp.1-5 |
WPT, EE (Joint) |
2020-10-07 15:05 |
Online |
Online (Online) |
Measurement Method of High-Frequency-Voltage/Current Waveforms using Directional Coupler and its Calibration Takuma Nakae, Hiroshi Hirayama (NIT) WPT2020-22 |
This report proposes a measurement method of voltage/current waveform assuming applications of wireless power transfer(W... [more] |
WPT2020-22 pp.18-23 |
MW, WPT |
2020-04-23 16:05 |
Online |
Online (Online) |
Basic Study of Patch Antenna with DC block and Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Shunya Ban, Takase Ohshima, Hiroshi Hirayama (NIT) WPT2020-9 MW2020-9 |
[more] |
WPT2020-9 MW2020-9 pp.45-49 |
MW, WPT |
2020-04-23 16:30 |
Online |
Online (Online) |
Integrated power amplifier design with antenna Asako Suzuki (Nagoya Univ.), Shunya Ban, Takase Oshima, Hiroshi Hirayama (NITech), Shinji Hara (Nagoya Univ.) WPT2020-10 MW2020-10 |
We propose a new method to improve the transmission efficiency of wireless power transmission system using microwaves. I... [more] |
WPT2020-10 MW2020-10 pp.51-54 |
AP, WPT (Joint) |
2020-01-24 12:55 |
Kagawa |
Sunport Hall Takamatsu (Kagawa) |
Basic Study of Patch Antenna with Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Takase Oshima, Hiroshi Hirayama (NITech) AP2019-171 WPT2019-54 |
A novel patch antenna with class-F load function for microwave power transfer is proposed. Conventionally, class-F load ... [more] |
AP2019-171 WPT2019-54 pp.117-120(AP), pp.29-32(WPT) |
WPT, EE (Joint) |
2019-10-10 15:20 |
Shiga |
Ryukoku Extension Center, Ryukoku University (Shiga) |
High-power high-frequency impedance measurement for non-linear DUT Takase Ohshima, Hiroshi Hirayama (NIT) WPT2019-43 |
It is necessary to measure impedance of a rectifying circuit to design a matching circuit for wireless power transfer sy... [more] |
WPT2019-43 pp.89-94 |
WPT, AP (Joint) |
2019-01-17 13:35 |
Aichi |
Toyota Automobile Museum (Aichi) |
[Invited Lecture]
Near-field Wireless Power Transfer for Small Model Vehicle using Collinear Array Antenna Jun Deguchi, Kazuhiro Yoshikawa, Hiroshi Hirayama (Nagoya Inst. of Tech.) WPT2018-55 |
[more] |
WPT2018-55 pp.7-12 |
WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi |
Tohoku University (Miyagi) |
Near-field Wireless Power Transfer for Moving Vehicle using Collinear Array Antenna Jun Deguchi, Hiroshi Hirayama (Nagoya Inst. of Tech.) |
In this report, near-field wireless power transfer for a moving vehicle using a collinear array antenna is proposed. Col... [more] |
|
WPT, EE (Joint) |
2018-10-03 10:15 |
Kyoto |
Kyoto Univ. Uji Campus (Kyoto) |
A comparison of characteristics of self-resonant and LC-resonant coupler for coupling wireless power transfer Takaya Arai, Hiroshi Hirayama (NIT) WPT2018-31 |
[more] |
WPT2018-31 pp.11-15 |
WPT |
2017-06-12 14:15 |
Kagoshima |
Kagoshima Univ. (Kagoshima) |
Characteristics of a Folded Spiral Antenna for coupled-resonant Wireless Power Transfer Kohei Nimura, Hiroshi Hirayama (Nagoya Inst. of Tech.) WPT2017-11 |
Coupled resonant wireless power transfer system has an advantage of high efficient mid-range power transmission where im... [more] |
WPT2017-11 pp.17-22 |
WPT (2nd) |
2015-12-10 15:50 |
Overseas |
TamKang University, Tamsui Campus (Overseas) |
Transmission Characterisitics of Wireless Power Transfer with Self-Resonant Antenna Using an Existing Structure as a Repeater Shohei Fukasawa, Keigo Nakamura, Hiroshi Hirayama (NIT) |
Wireless power transfer (WPT) technology using existing structure, such as a reinforcing bar, as a repeater to extend po... [more] |
|
WPT (2nd) |
2015-12-10 16:50 |
Overseas |
TamKang University, Tamsui Campus (Overseas) |
Transmission Characteristics of Tape-wound Spiral Antenna for Coupled Resonant Wireless Power Transfer Keigo Nakamura, Hiroshi Hirayama (Nagoya Inst. of Tech.) |
[more] |
|
AP, RCS, WPT, SAT (Joint) |
2015-11-04 11:25 |
Okinawa |
Okinawa Prefectural Museum & Art Museum (Okinawa) |
[Tutorial Lecture]
Basics of Coupled Wireless Power Transfer from Viewpoint of Impedance Matching and Resonant Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2015-113 WPT2015-49 |
Wireless power transfer (WPT) technology using near field is getting large interest. WPT system using coupling coil base... [more] |
AP2015-113 WPT2015-49 pp.17-22 |