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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
WPT 2022-03-07
15:50
Kyoto
(Primary: On-site, Secondary: Online)
Basic study of wireless power transmission using electric field coupling over Multi-Layer Insulation and its application to lunar exploration rovers
Koki Ichiyanagi, Takehiro Imura, Yoichi Hori (TUS), Katsuhiro Hata (UT), Sayuri Honda, Syuhei Shimada (JAXA) WPT2021-30
 [more] WPT2021-30
pp.46-49
SDM 2020-11-20
10:30
Online Online [Invited Talk] Power Device Degradation Estimation by Machine Learning of Gate Waveforms
Hiromu Yamasaki, Koutaro Miyazaki, Yang Lo, A. K. M. Mahfuzul Islam, Katsuhiro Hata, Takayasu Sakurai, Makoto Takamiya (Univ. of Tokyo) SDM2020-29
A method to detect bonding wire lift-off of SiC MOSFETs using machine learning from the gate voltage waveform is propose... [more] SDM2020-29
pp.32-35
WPT 2020-03-06
10:05
Kyoto
(Cancelled but technical report was issued)
Comparative Research on PV Powered Lunar Rover Wireless Power Transfer System MPPT Control with Sweep and Metaheuristic Methods
Bingcheng Ji, Mingyang Chen, Katsuhiro Hata (UTokyo), Takehiro Imura (TUScience), Yoichi Hori (UTokyo), Sayuri Honda, Shuhei Shimada, Osamu Kawasaki (JAXA) WPT2019-60
 [more] WPT2019-60
pp.15-20
WPT, EE
(Joint)
2019-10-09
11:45
Shiga Ryukoku Extension Center, Ryukoku University PV MPPT Control under Partial Shading Conditions in Lunar Rover Wireless Power Transfer System
Bingcheng Ji, Katsuhiro Hata (UTokyo), Takehiro Imura (TUScience), Yoichi Hori (UTokyo), Sayuri Honda, Shuhei Shimada, Osamu Kawasaki (JAXA) WPT2019-29
 [more] WPT2019-29
pp.13-18
WPT, EE
(Joint)
2019-10-09
12:05
Shiga Ryukoku Extension Center, Ryukoku University Frequency Optimization of Lunar Rover Wireless Power Transfer System with Multi-layer Insulation
Mingyang Chen, Bingcheng Ji, Katsuhiro Hata (UTokyo), Takehiro Imura (TUS), Hiroshi Fujimoto, Yoichi Hori (UTokyo), Shuuhei Shimada., Sayuri Honda, Osamu Kawasaki (JAXA) WPT2019-30
In the lunar rover wireless power transfer system, the heat leakage caused by the wire connection between the solar pane... [more] WPT2019-30
pp.19-24
WPT, MW 2019-04-22
13:30
Tokyo Kikai-Shinko-Kaikan Bldg. Study on Power Factor of Wireless Power Transfer Systems with Resonance Frequency Mismatch
Helanka Weerasekara, Katsuhiro Hata, Takehiro Imura, Yoichi Hori (Univ. of Tokyo) WPT2019-2 MW2019-2
Wireless Power Transfer (WPT) for Electric Vehicles (EV) is one of an admirable solution to some obstacles of charging E... [more] WPT2019-2 MW2019-2
pp.7-11
WPT, EE
(Joint)
2018-10-04
09:20
Kyoto Kyoto Univ. Uji Campus A Comparison Study of Transmission Efficiency and Transmitting and Receiving Power with Constant Power Supply in Wireless Power Transfer via Magnetic Resonant Coupling
Haruko Nawada, Katsuhiro Hata, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (The Univ. of Tokyo) WPT2018-37
Previously, in dynamic wireless power transfer, constant voltage control of the transfer-side has been performed so that... [more] WPT2018-37
pp.45-50
WPT, EE
(Joint)
2018-10-04
13:20
Kyoto Kyoto Univ. Uji Campus Fundamental Study on Wireless Power Transfer to Unsprung Receiver Coil Using In-Tire Magnetic Circuit
Takashi Utsu, Kensuke Hanajiri, Katsuhiro Hata, Osamu Shimizu, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (The Univ. of Tokyo), Keizo Akutagawa (Bridgestone), Daisuke Gunji (NSK ltd.) WPT2018-41
Wireless power transfer to electric vehicles has attracted a great deal of attention, however, many problems have remain... [more] WPT2018-41
pp.69-74
EE, WPT, IEE-SPC 2018-07-03
09:50
Hokkaido Hokkaido University Experimental Verification of Capacitor- and Ferrite-less 85kHz Self-resonant Coil Considering Dielectric Loss for In-motion Wireless Power Transfer
Yoshiaki Takahashi, Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo) WPT2018-21
In magnetic resonance coupling S/S topology of wireless power transfer, low coupling can cause to breakdown the resonanc... [more] WPT2018-21
pp.61-66
EE, WPT, IEE-SPC 2018-07-03
15:00
Hokkaido Hokkaido University MPPT Mode Controlled Solar Battery Assisted Lunar Rover Wireless Power Transfer System with Constant Voltage Load Experiment
Bingcheng Ji, Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo), Shuuhei Shimada, Sayuri Honda, Osamu Kawasaki, Satoshi Ichikawa (JAXA) WPT2018-27
For conventional Lunar rover, the solar battery module is directedly connected to rover body through wire, and at lunar ... [more] WPT2018-27
pp.105-110
MW, WPT 2018-04-27
13:05
Tokyo Kikai-Shinko-Kaikan Building Comparison of Soft-Starting Methods for Suppressing Start-up Current Overshoot in Wireless Power Transfer via Magnetic Resonance Coupling
Katsuhiro Hata, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (Univ. of Tokyo) WPT2018-1 MW2018-1
Although in-motion wireless charging of electric vehicles has attracted a great deal of attention, its transient charact... [more] WPT2018-1 MW2018-1
pp.1-4
WPT
(2nd)
2017-12-09
- 2017-12-11
Overseas National University of Singapore(AWPT2017) Identification of kQ Product for Wireless Power Transfer System with Open End Coils Based on Input Impedance Measurement
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo)
Efficiency characteristics of wireless power transfer (WPT) via magnetic resonance coupling are determined by kQ product... [more]
EE, WPT, IEE-SPC [detail] 2017-07-27
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. Transient Analysis of Wireless Power Transfer via Magnetic Resonance Coupling at Loosely Coupled Condition and Its Application to Soft Start Operation
Katsuhiro Hata, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (Univ. of Tokyo) EE2017-16 WPT2017-21
A transfer function from an input voltage to an input current of wireless power transfer is characterized by resonance f... [more] EE2017-16 WPT2017-21
pp.43-48
AP, WPT
(Joint)
2017-01-19
09:20
Hiroshima Hiroshima Institute of Technology Simplified Measuring Method of kQ Product for Wireless Power Transfer via Magnetic Resonance Coupling
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo) WPT2016-43
An efficiency characteristics of wireless power transfer via magnetic resonance coupling is expressed by $kQ$ product, w... [more] WPT2016-43
pp.5-10
EE, WPT
(Joint)
2016-10-07
09:00
Kyoto   Maximum Efficiency Control of Wireless Power Transfer Based on Simultaneous Estimation of Generalized Secondary-Side Parameters
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo) WPT2016-30
Secondary-side efficiency control for wireless power transfer systems has been proposed to simplify the primary-side str... [more] WPT2016-30
pp.61-66
EE, WPT
(Joint)
2016-10-07
13:50
Kyoto   Velocity Estimation of DC Motor Driven by Wireless Power Transfer
Takurou Nishimura, Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo) WPT2016-35
Wireless power transfer for rotating equipment has gathered attention to improve reliability and safety.
In some applic... [more]
WPT2016-35
pp.91-94
WPT 2016-06-03
17:10
Tokyo Tokyo University Simultaneous Estimation of Primary Voltage and Mutual Inductance from the Secondary Side for Dynamic Wireless Power Transfer Systems
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo) WPT2016-17
A dynamic wireless power transfer system for electric vehicles can extend the limited mileage per charge. Although coupl... [more] WPT2016-17
pp.39-42
EE, WPT
(Joint)
2014-11-18
14:25
Kyoto Doshisha University Fundamental Study on Dynamic Wireless Power Transfer System for Electric Vehicle to Simplify Ground Facilities -- Primary Voltage Estimation Based on Secondary side Information --
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (Univ. of Tokyo) WPT2014-53
A dynamic wireless power transfer system for electric vehicles can extend their cruising range and reduce the size of th... [more] WPT2014-53
pp.17-20
WPT 2014-06-06
17:35
Tokyo Univ. of Tokyo Maximum Efficiency Control of Wireless Power Transfer Using Secondary Side DC-DC Converter for Moving EV in Long Distance Transmission
Katsuhiro Hata, Takehiro Imura, Yoichi Hori (Univ. of Tokyo) WPT2014-33
Wireless power transfer (WPT) via magnetic resonant coupling provides high efficiency and long distance transmission. In... [more] WPT2014-33
pp.51-56
 Results 1 - 19 of 19  /   
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