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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 73  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ASN, SRW
(Joint)
2018-11-05
11:15
Tokyo Tokyo Denki University, Tokyo Senju Campus Soil moisture content estimation on irrigation strategy analysis for optimal crop management
Kosuke Oda, Ryo Shigeta, Yoshihiro Kawahara (UT)
Irrigation management is crucial factor to improve farming productivity, and highly skilled farmers have acquired mostly... [more] ASN2018-54
pp.13-18
ASN, SRW
(Joint)
2018-11-05
11:40
Tokyo Tokyo Denki University, Tokyo Senju Campus Bayesian optimization on dynamic problems for searching optimal climate recipe in completely controlled plant factory
Koki Isokawa, Ryo Shigeta, Yoshihiro Kawahara (UT)
 [more] ASN2018-55
pp.19-24
WPT, EE
(Joint)
2018-10-04
16:40
Kyoto Kyoto Univ. Uji Campus [Invited Lecture] Design and Implementation of Wireless Powered Plarail Using 1MHz Magnetic Resonant Coupling Wireless Power Transfer
Kazunobu Sumiya, Yuki Nishizawa, Takuya Sasatani, Ryo Takahashi, Yoshiaki Narusue, Yoshihiro Kawahara (U-Tokyo)
We report a wirelessly powered plastic train system using 1MHz magnetic resonance coupling, which participated in the co... [more] WPT2018-50
pp.111-114
AP, MW
(Joint)
2018-09-21
11:20
Tokyo Tokyo Tech Resonator Design Method Based on the Optimum Mesh Current Distribution for Magnetically Coupled Wireless Power Transfer
MIsaki Fujishrio, Yoshiaki Narusue, Yoshihiro Kawahara, Hiroyuki Morikawa (The Univ. of Tokyo)
Resonator design for wireless power transfer depends on engineers' intuition, experience and trial and error design proc... [more] AP2018-85
pp.25-30
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-11
14:00
Hokkaido Hakodate Arena [Encouragement Talk] Bayesian Optimization for Searching for the Optimal Climate Recipe in Completely Controlled Plant Factory
Tatsuya Iizuka, Ryo Shigeta, Yoshihiro Kawahara (Tokyo Univ.)
A data-driven method for improving the productivity in plant factories is desired. The environmental response including ... [more] ASN2018-24
pp.47-52
ICD, CPSY, CAS 2017-12-14
14:50
Okinawa Art Hotel Ishigakijima Luciola: A Millimeter-Scale Light-Emitting Particle Moving in Mid-Air Based on Acoustic Levitation and Wireless Powering
Yuki Uno, Hao Qiu, Toru Sai, Shunta Iguchi, Yota Mizutani, Takayuki Hoshi, Yoshihiro Kawahara (Univ. of Tokyo), Yasuaki Kakehi (Keio Univ.), Makoto Takamiya (Univ. of Tokyo)
Luciola is developed as a new proposal of a mid-air display drawing 3D characters. Luciola is a light-emitting particle ... [more] CAS2017-75 ICD2017-63 CPSY2017-72
pp.63-68
ASN 2017-11-16
13:25
Yamagata   Evaluation of communication stability of 920 MHz band IEEE802.15.4g in a buried type sensor for turf management
Takumi Nishiyasu, Ryo Shigeta, Yoshihiro Kawahara (U-Tokyo)
 [more] ASN2017-67
pp.29-33
ASN 2017-11-16
13:50
Yamagata   Thermal/Electric Circuit Model and Evaluation of Thermal Electric Power Generation using Soil Temperature Difference
Natsuki Ikeda, Ryo Shigeta, Junichiro Shiomi, Yoshihiro Kawahara (U-Tokyo)
In battery-driven sensor systems, labor cost for battery replacements is a serious matter for reducing operational cost,... [more] ASN2017-68
pp.35-40
ASN 2017-11-16
14:15
Yamagata   Modeling of Plant Growth in Completely Controlled Plant Factories by Partially Observed Markov Model
Tatsuya Iizuka, Ryo Shigeta, Yoshihiro Kawahara (U-Tokyo)
 [more] ASN2017-69
pp.41-46
ASN 2017-11-16
15:20
Yamagata   [Poster Presentation] Measurement Depth Selectable Soil Moisture Profile Probe with Compatible Sensor Electrodes
Ryo Shigeta (U-Tokyo), Naoya Miyamoto (SenSprout), Yoshihiro Kawahara (U-Tokyo)
Precise soil management based on sensor data contributes to enhance farming productivity. Various soil parameters in mul... [more] ASN2017-72
pp.59-64
ASN 2017-11-17
10:50
Yamagata   [Poster Presentation] Implementation of Multiple Measurement Circuit for Agriculture and Application for Self-Calibration Water Level Measurement Using Thin Film in Paddy Field
Kouta Suzuki, Ryo Shigeta (The Univ. of Tokyo), Naoya Miyamoto (SenSprout), Kazuhiro Sasaki, Yoshihiro Kawahara (The Univ. of Tokyo)
There is a huge demand to deploy a number of sensors in agriculture. In order to acquire various data of agriculture wit... [more] ASN2017-77
pp.121-126
EMCJ, WPT, PEM
(Joint)
2016-11-24
09:35
Tokyo Kikai-Shinko-Kaikan Bldg. Investigation on Electrode Configurations for a Capacitive Power Transfer System Using a Receiver Array and a Sheet Transmitter
Yota Mizutani, Takuya Sasatani, Yoshiaki Narusue, Yoshihiro Kawahara, Tohru Asami (U-Tokyo)
Some methods that change the state of transmission resonators have been proposed to transfer electric power to devices w... [more] WPT2016-38
pp.7-11
ASN 2016-11-18
09:10
Aichi Nagoya University [Encouragement Talk] Sensor Node Position Estimation for UAV-assisted Wireless Power Transfer on Agricultural Sensor Systems
Ryo Shigeta, Kouta Suzuki, Yoshihiro Kawahara, Tohru Asami (U-Tokyo)
In this paper, we present a battery-less agricultural sensor system that is wirelessly powered from unmanned aerial vehi... [more] ASN2016-54
pp.73-78
ASN 2016-11-18
09:30
Aichi Nagoya University Localization by a Web Camera for Low-cost Agricultural Mobile Robots
Kazunobu Sumiya, Ryo Shigeta, Yoshihiro Kawahara, Toru Asami (U-Tokyo), Naoki Kabaya (WorkRobot)
Robust and accurate self-localization is required for autonomous mobile robots to complete their tasks in various fields... [more] ASN2016-55
pp.79-84
ASN 2016-11-18
10:30
Aichi Nagoya University Low-cost water level sensor based on simple TDR using reflection time measurement by mass-produced microcontroller
Kouta Suzuki, Ryo Shigeta, Yoshihiro Kawahara, Tohru Asami (The Univ. of Tokyo)
Low-cost water level sensor is necessary for a large scale deployment of water level management in many fields.Conventio... [more] ASN2016-58
pp.97-102
NS, IN
(Joint)
2016-03-03
11:00
Miyazaki Phoenix Seagaia Resort System Response Evaluation of Distributed SNS based on ID-Based Aggregate Signatures
Shinji Oyama, Takaaki Sunaga, Masaru Takagi, Yoshihiro Kawahara, Tohru Asami (UTokyo)
Most of the SNS services are managed by their central servers.
For an availability of SNS service in a disaster area, a... [more]
IN2015-121
pp.77-82
MoNA, IN
(Joint)
2015-11-18
13:30
Kumamoto Kumamoto University Missions of Information-Centric Networking
Tohru Asami, Masaru Takagi, Yoshihiro Kawahara (TODAI), Atsushi Tagami (KDDIR&D Labs.), Kenichi Nakamura (Panasonic), Tomohiko Yagyu (NEC), Hidenori Nakazato (Waseda)
From the point of views of communication secrecy, traffic engineering and information leakage prevention, this paper rev... [more] IN2015-67
pp.35-40
ASN 2015-11-06
11:35
Tokyo NICT Koganei HQ Optimal Position Tracking for UAV Assisted Wireless Power Transfer on Battery-Less Agricultural Sensor System
Ryo Shigeta, Ryosuke Kobayashi, Yoshihiro Kawahara, Tohru Asami (U-Tokyo)
In this paper, we present battery-less agricultural sensor system that is wirelessly powered from unmanned aerial vehicl... [more] ASN2015-73
pp.127-132
PRMU 2015-10-09
14:00
Chiba   [Invited Talk] IoT Behind the Scenes
Yoshihiro Kawahara (Tokyo Univ.)
 [more] PRMU2015-97
pp.41-49
WPT 2015-06-12
17:50
Tokyo Univ. of Tokyo Receiver Localization Method Using TX/RX Power Resonators for a Wireless Power Transfer System with a 2D Resonator Array
Arata Hashizume, Yoshiaki Narusue, Yoshihiro Kawahara, Tohru Asami (UTokyo)
Our goal is to realize a two-dimensional wireless power transmission system, which provides electrical power to all devi... [more] WPT2015-33
pp.69-74
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