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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2024-03-14 14:50 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Optimization of Transmission Efficiency of DWPT Controlling Amplitude and Phase of Secondary Side RF Power Supply Hiroto Yorioka, Kazutomo Nakamura, Keigo Kimura, Taisei Urakami (NAIST), Shimpei Nishiyama (NIT, Kagawa College), Duong Quang Thang (OIT), Minoru Okada (NAIST)  WPT2023-42 |
To improve the transmission efficiency of WPT (Wireless Power Transmission) in electric vehicles (EVs), we focus on the ... [more] | WPT2023-42 pp.37-42 |
| AP, WPT (Joint) |
2024-01-17 14:25 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
2.45 GHz High-Efficiency Power Amplifier for Integration and Cooperation of Telecommunication and Wireless Power Transfer Yuki Takagi, Yuta Nakamoto, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB) WPT2023-30 |
In this paper, we present a transmitter configuration of wireless devices that is optimized for both information transmi... [more] | WPT2023-30 pp.1-5 |
| 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) |
2023-07-14 14:00 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
High Impedance Antennas Using Folded Structure for Millimeter Wave Band WPT Systems Koki Yamashiro, Keisuke Noguchi (KIT) AP2023-60 SANE2023-32 SAT2023-31 |
A dipole antenna operating at one wavelength was analyzed to improve the rectification efficiency of a rectenna for wire... [more] | AP2023-60 SANE2023-32 SAT2023-31 pp.162-166(AP), pp.60-64(SANE), pp.118-122(SAT) |
| WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto | Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Primary: On-site, Secondary: Online) |
Basic Study on Transmission Side Impedance Matching in MRC-WPT Taiga Hashi (Hosei Univ.), Takahiro Miyaura (DAIHEN Corp.), Katsuki Baba, Sousuke Nakamura (Hosei Univ.) |
In a wireless power transfer circuit, the input impedance fluctuates due to variations in the transfer distance between ... [more] | |
| WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto | Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Primary: On-site, Secondary: Online) |
Design of Low Efficiency Variation 5G Rectifier without External Matching Circuits Babita Gyawali (Kyushu Univ.), Mohamed Aboualalaa (Electronics Research Institute), Adel Barakat, Ramesh K. Pokharel (Kyushu Univ.) |
A self-impedance matching which reduces the circuit size and losses is proposed for a 5G rectifier by using a voltage do... [more] | |
| 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 |
| AP | 2022-02-18 09:25 |
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 |
| EST | 2022-01-27 17:20 |
Online | Online | Analysis of SP-PS Coupling Circuit for Magnetic Field Resonance Type Wireless Power Transmission Tsugumichi Shibata (TCU) EST2021-75 |
We have proposed the use of a circuit with an SP-PS configuration as a magnetic field resonance type coupling circuit fo... [more] | EST2021-75 pp.88-92 |
| ICD, HWS [detail] | 2020-10-26 09:00 |
Online | Online | Examination of requirements for power side-channel attack resistance evaluation boards of cryptographic integrated circuits
-- PDN transfer impedance contributing to leakage strength -- Tomonobu Kan, Kengo Iokibe, Yoshitaka Toyota (Okayama Univ.) HWS2020-25 ICD2020-14 |
When evaluating the resistance of a cryptographic circuit to power analysis attacks by measurement， it is not easy to ev... [more] | HWS2020-25 ICD2020-14 pp.1-6 |
| MW, AP (Joint) |
2020-09-24 12:50 |
Online | Online | [Poster Presentation]
Experimental Study of wireless power transmission transfer system using electromagnetic coupling Shun Kato, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2020-33 |
A wireless power transfer system using near-field electromagnetic coupling is fabricated and its performance is experime... [more] | AP2020-33 pp.9-14 |
| R, LQE, OPE, CPM, EMD | 2020-08-28 11:00 |
Online | Online | A capacity degradation diagnosis of Lithium-ion Battery with Electrochemical Impedance method and Hierarchical Bayesian Ryo Nakazato, Shinji Yokogawa (UEC) R2020-10 EMD2020-9 CPM2020-2 OPE2020-22 LQE2020-2 |
In this study, we propose a method of battery health diagnoses by the Hierarchical Bayesian model with the internal cond... [more] | R2020-10 EMD2020-9 CPM2020-2 OPE2020-22 LQE2020-2 pp.5-10 |
| EMCJ, EMD, WPT (Joint) [detail] |
2020-07-03 13:05 |
Online | Online | Circuit Modeling of Wireless Power Transfer System Considering Scattering from Perfect Conductor Nozomi Haga (Gunma Univ.), Jerdvisanop Chakarothai (NICT), Keisuke Konno (Tohoku Univ.) WPT2020-15 |
The impedance expansion method (IEM) is a circuit-modeling technique for electrically small devices based on the method ... [more] | WPT2020-15 pp.1-6 |
| WPT | 2020-06-11 14:20 |
Online | Online | Study on an Asymmetric Rectifier for Inductor-less Load Impedance Conversion in Wireless Power Transfer Systems Yoshiaki Narusue, Jaewon Shin, Hiroyuki Morikawa (The Univ. of Tokyo) WPT2020-14 |
In this paper, we study an asymmetric rectifier circuit for realizing a load impedance conversion mechanism without an i... [more] | WPT2020-14 pp.17-20 |
| EST | 2020-05-21 10:35 |
Online | Online | A Study on an Automatic Efficiengy Control of the Magnetic-Resonant-Type WPT System using the SP-PS Circuit Topology Takara Ijiro, Tsugumichi Shibata (TCU) EST2020-2 |
The efficiency of a magnetic resonant type wireless power transfer is affected not only by the loss due to the parasitic... [more] | EST2020-2 pp.7-10 |
| AP, WPT (Joint) |
2020-01-24 12:55 |
Kagawa | Sunport Hall Takamatsu | 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 | 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 (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 (2nd) |
2019-10-31 - 2019-11-02 |
Overseas | Xidian University | [Poster Presentation]
A Wireless Power Transfer System with Frequency Conversion Characteristic Jie Yang, Yan Shi (Xidian Univ.) |
A series-series (SS) topology based wireless power transfer (WPT) system with frequency conversion characteristic has be... [more] | |
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