KAWAHARA LABORATORY

T. Ikeuchi, and Y. Kawahara, “Peak to Average Power Ratio Based Signal Detection for Frequency Shift Multitone SWIPT System,” IEEE Access, vol. 9, pp.4158-4172, Jan. 2021.

T. Sasatani, Y. Narusue, and Y. Kawahara, “Genetic Algorithm-Based Receiving Resonator Array Design for Wireless Power Transfer,” IEEE Access, vol. 8, pp. 222385-222396, Dec. 2020.

K. Kato, K. Ikematsu, and Y. Kawahara, “CAPath: 3D-Printed Interfaces with Conductive Points in Grid Layout to Extend Capacitive Touch Inputs,” Proceedings of the ACM on Human-Computer Interaction (PACM HCI), Vol.4, ISS, Article No. 193, Online, Nov. 2020.

M. Morishima, T. Umedachi, and Y. Kawahara, “Caterpillar-inspired soft robot that locomotes upside-down by utilizing environmental skeleton,” Engineering Research Express, Vol.2, No.3, Sept. 2020.

K. Saito, R.P.-d.l. Fuente, K. Arimoto, Y. Seong, H. Aonuma, R. Niiyama, Z. You, “Earwig fan designing: Biomimetic and evolutionary biology applications,” Proc. Natl. Acad. Sci., Vol. 117, No.30, pp. 17622-17626, July 2020.

平木剛史，川原圭博，苗村健，”映像と連携する移動ロボットの投影型制御，” 日本バーチャルリアリティ学会論文誌，Vol. 25, No. 2, pp. 148-157, June 2020.

Y. Narusue, Y. Kawahara, and H. Morikawa, “Load optimization factors for analyzing the efficiency of wireless power transfer systems using two-port network parameters,” IEICE Electronics Express, Vol.17, No.10, pp.1-5, May 2020.

Y. Nishizawa, T. Sasatani, M. Ishige, Y. Narusue, T. Umedachi, Y. Kawahara, “Ramus: A Frequency-Multiplexed Power Bus for Powering, Sensing and Controlling Robots,” IEEE Robotics and Automation Letters (Proc. of the 3rd IEEE International Conference on Soft Robotics – RoboSoft 2020), Vol. 5, No. 3, pp. 4126–4132, April 2020.

Y. Sachine, Y. Kawahara, T. Sasatani, K. Kiyono, Y. Kobayashi, H. Funato, “Infants Show Physiological Responses Specific to Parental Hugs,” iScience, Vol. 23, No.4, 2020, 10996, April 2020.

K. Matsuura, D. Kobuchi, Y. Narusue, and H. Morikawa, “Communication-Less Receiver-Side Resonant Frequency Tuning Method for Magnetically Coupled Wireless Power Transfer Systems,” Proc. of IEEE RWS 2021, pp.108-111, San Diego, CA, USA, Jan. 2021.

S. Yamanaka, T. D. Ta, K. Tsubouchi, F. Okuya, K. Kato, K. Tsushio, and Y. Kawahara, “SheetKey: Generating Touch Events by a Pattern Printed with ConductiveInk for User Authentication,” Proc. of Graphics Interface, pp. 452 – 460, Toronto, Canada, Dec. 2020.

T. Ikeuchi, Y. Kawahara, “Signal Detection Method Based on Peak to Average Ratio for Frequency Shift Multitone SWIPT System,” Proc. of IEEE WPTC 2020, pp. 119-122, Seoul, Korea, Dec. 2020.

Y. Narusue, J. Shin, and H. Morikawa, “Asymmetric Rectification for Inductor-Less Load Impedance Conversion in Wireless Power Transfer Systems,” Proc. of AWPT 2020, pp.1-4, Taipei, Taiwan, Dec. 2020.

Y. Kawahara, T. Sasatani, “Wireless Power Transfer for Internet of Things,” IEEE 66th International Electron Devices Meeting (IEDM) 2020, -, online, Dec. 2020 (Invited Talk).

T. Usui, H. Ishizuka, T. Hiraki, Y. Kawahara, S. Ikeda, and O. Oshiro, “Miniaturized Liquid Pouch Motors Using Flexible Liquid Metal Heater,” Proc. of the 33rd International Microprocesses and Nanotechnology Conference (MNC), pp. 5-26:1-2, Virtual, Nov. 2020.

H.Hayashi, K.Hata, T.Sasatani, H.Sato, R.Yamamura, Y.Seong, R.Niiyama, and Y.Kawahara, “Effect of Body Materials on Transmission Efficiency and Resonant Frequency in Wirelessly Powered Personal Mobility Devices,” IEEE WPTC 2020, pp.183-186, Soul, Korea, Nov. 2020.

Y. Noma, K. Narumi, F. Okuya, and Y. Kawahara, “Pop-up Print: Rapidly 3D Printing Mechanically Reversible Objects in the Folded State,” Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology (UIST’20), Pages 58–70, Virtual (previously Minneapolis, US), Oct. 2020.

T. D. Ta, T. Umedachi, and Y. Kawahara, “A Multigait Stringy Robot with Bi-Stable Soft-Bodied Structures in Multiple Viscous Environments,” Proc. of IEEE IROS 2020, pp. 8765-8772, Virtual (previously Las Vegas, Nevada, US), Oct. 2020.

R. Takahashi, M. Fukumoto, C. Han, T. Sasatani, Y. Narusue, and Y. Kawahara, “TelemetRing: A Batteryless and Wireless Ring-Shaped Keyboard using Passive Inductive Telemetry,” Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology (UIST’20), Pages 1161–1168, Virtual (previously Minneapolis, US), Oct. 2020.

M. Ishige, T. Umedachi, Y. Ijiri, T. Taniguchi, Y. Kawahara, “Blind Bin Picking of Small Screws Through In-finger Manipulation With Compliant Robotic Fingers,” 2020 IEEE/RSJ International Conference one Intelligent Robots and System (IROS), pp. 9337-9344, Las Vegas, USA, Oct. 2020.

R. Niiyama*, H. Sato*, K. Tsujimura, K. Narumi, Y. A. Seong, R. Yamamura, Y. Kakehi, and Y. Kawahara, “poimo: Portable and Inflatable Mobility Devices Customizable for Personal Physical Characteristics,” Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology (UIST’20), pp. 912–923, Virtual (previously Minneapolis, US), Oct. 2020 (* Authors contributed equally).

D. Kobuchi, K. Matsuura, Y. Narusue, and H. Morikawa, “Transmitter Control for Harmonics Reduction in Inductive Power Transfer System,” Proc. of IEEE GCCE 2020, pp.628-631, Kobe, Japan, Oct. 2020.

R. Nagafuchi, Y. Matoba, K. Ikematsu, A. Ishii, Y. Kawahara, and I. Siio, “Polka: A Water-jet Printer for Painting on the Grounds,” Proc. International Conference on Advanced Visual Interfaces (AVI 2020), Article No.63, Island of Ischia, Italy, Sept. 2020.

K. Takaki, T. Sasatani, H. Kasashima, Y. Kawahara, and T. Naemura, “Coil design for wireless power transfer and communication over hinges of smart glasses,” Proc. of the 2020 International Symposium on Wearable Computers, pp.79-83, Virtual, Mexico, Sept. 2020.

Z. Chang, T. D. Ta, K. Narumi, H. Kim, F. Okuya, D. Li, K. Kato, J. Qi, Y. Miyamoto, K. Saito, and Y. Kawahara, “Kirigami Haptic Swatches: Design Methods for Cut-and-Fold Haptic Feedback Mechanisms,” Proceedings of the 2020 CHI Conference on Human Factors in Computing (CHI’20), pp. 1-12, Honolulu, Hawai’i, USA, April 2020.

M. Ishige, T. Umedachi, Y. Ijiri, and Y. Kawahara, “In-Hand Small-Object Counting from Tactile Sensor Arrays Installed on Soft Fingertips,” Proc of IEEE International Conference on Soft Robotics 2020, pp. 272-277, 2020, Connecticut, USA, April 2020.

H. Sato, Y. Seong, R. Yamamura, H. Hayashi, K. Hata, H. Ogata, R. Niiyama, and Y. Kawahara, “Vision of Soft Mobility as a Portable and Inflatable Transportation Device,” 2020 CHI Workshop, April, 2020 (workshop cancelled due to COVID-19 pandemic), Hawaii, US, April 2020.

K. Ikematsu, K. Kato, and Y. Kawahara, “LightTouch: Passive Gadgets for Extending Interactions on Capacitive Touchscreens by Automating Touch Inputs,” Adjunct Proc. of ACM UIST 2020, pp.10-12, Virtual (previously Minneapolis, Minnesota, USA), Oct. 2020.

R. Uramune, H. Ishizuka, T. Hiraki, Y. Kawahara, S. Ikeda, and O. Oshiro, “HaPouch: Soft and Wearable Haptic Display Devices using Liquid-to-gas Phase Change Actuator,” Adj. Proc. of ACM UIST 2020, pp. 53-55, Virtual (previously Minneapolis, Minnesota, USA), Oct. 2020.

R. Uramune, H. Ishizuka, T. Hiraki, Y. Kawahara, S. Ikeda, and O. Oshiro, “Inflatable Soft Haptic Device using Liquid-to-gas Phase Change Actuator,” The 12th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications (EuroHaptics 2020), Work in Progress, 201, Leiden, Nederland, Sept. 2020.

S. Yoshida, Y. Kawahara, T. Sasatani, K. Kiyono, Y. Kobayashi, H. Funato, “Measurement of heart rate variability during hugs in parents and infants,” The International Congress of Infant Studies (ICIS) , Virtual Poster Presentation, July 2020.

R. Uramune, H. Ishizuka, T. Hiraki, Y. Kawahara, S. Ikeda, and O. Oshiro, “Demonstration of Inflatable Soft Haptic Device using Liquid-to-gas Phase Change Actuator,” The 12th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications (EuroHaptics 2020), Demos, 202, Leiden, Nederland, Sept. 2020.

Z. Chang, T. D. Ta, K. Narumi, H. Kim, F. Okuya, D. Li, K. Kato, J. Qi, Y. Miyamoto, K. Saito, and Y. Kawahara, “Demonstrating Kirigami Haptic Swatches for Cut-and-Fold Haptic Feedback Mechanisms,” Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems (CHI EA’20), Hawaii, US, April 2020.

H. Sato, Y. Seong, R. Yamamura, H. Hayashi, K. Hata, H. Ogata, R. Niiyama, and Y. Kawahara, “Soft yet Strong Inflatable Structures for a Foldable and Portable Mobility,” Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems (CHI EA’20), April, 2020, Hawaii, US, April 2020.

堀悠太郎, 平木剛史, プンポンサノンパリンヤ, 岩井大輔, 川原圭博, 佐藤宏介，”双安定性サーモクロミックインクの選択的加熱を用いた造形後に表面色・模様を制御可能な立体物造形手法，” 情報処理学会 インタラクション2021論文集，pp. 662-667, March 2021.

藤次徹也，野間裕太，鳴海紘也，斉藤一哉，川原圭博，”布を用いた折り紙に向けた樹脂パターンの配置手法，” 研究報告ヒューマンコンピュータインタラクション（HCI），2021-HCI-191,8,1-7, Jan. 2021.

野間裕太，鳴海紘也，奥谷文徳，川原圭博，”Pop-up Print: 双安定な折りたたみ3Dプリント，” 第28回インタラクティブシステムとソフトウェアに関するワークショップ（WISS2020），No.89, pp. 43-48, Dec. 2020.

山下陸，西山勇毅，小松寛弥，川原圭博，”BLEビーコンを用いた屋内位置推定システムの設計と実装，” 研究報告ユビキタスコンピューティングシステム（UBI），2020-UBI-68, 8, pp.1-7, Dec. 2020.

下野明佳里，川原圭博，”CFD解析に基づく避難所でのCOVID-19対策に向けた換気システムの検討，” 研究報告コンシューマ・デバイス＆システム（CDS），2020-CDS-29, pp.1-8, Nov. 2020 (優秀発表賞受賞).

林寛将，笹谷拓也，畑勝裕，山村亮介，川原圭博，”電動パーソナルモビリティのシェアリング事業に向けた無線充電システムのシミュレーションによる解析，” マルチメディア，分散，協調とモバイル (DICOMO2020) シンポジウム，4A-2, pp.520-525, June 2020.

高橋 亮，雪田 和歌子，笹谷 拓也， 横田 知之，染谷 隆夫，川原 圭博，”バッテリレスなウェアラブルの無線センシングに向けた衣類型リーダコイルの設計，” 信学総大 2021，B-15-23, March 2021.

山川凌太郎，飯塚達哉，石毛真修，笹谷拓也，高木健，川原圭博，”マスク越しフレーズ認識に向けたミリ波レーダによる口の形状変化の検出手法，” 情報処理学会第83回全国大会，5W-03, March 2021.

内山史也，荒瀬由紀，鳴海紘也，河原林健一，”ツイートとリプライからなる木構造を用いた炎上度判定，” 情報処理学会第83回全国大会，5P-06, March 2021.

林寛将，笹谷拓也，畑勝裕，山村亮介，川原圭博 ，”電動パーソナルモビリティのシェアリング事業に向けた無線充電システムの導入とインセンティブスキームに関する検討，” 情報処理学会全国大会 2021，2T-03, March 2021.

高橋亮，笹谷拓也，川原圭博，”体内への電磁界暴露を抑制可能な無線給電・通信用テキスタイルコイルの設計，” 信学ソ大 2020，B-15, Sept. 2020.

野崎悦，高木健，川原圭博，”耳甲介舟裏への軟骨伝導提示における音響特性へのトランスデューサ押し付け力の影響の評価，” 日本音響学会秋季研究発表会講演論文集 2020， pp.363-364,3-U4-25, Sept. 2020.

吉田 さちね、川原 圭博、笹谷 拓也、清野 健、小林 洋、船戸 弘正，”親との触れ合いで起こるヒト乳児の生理反応，” 第43回日本神経科学大会，1O07m-3-01, July 2020.

川原圭博, 仙田薫，”農業生産者の勘と経験を保管する計測技術，” 電子情報通信学会誌，Vol. 104, No.2 pp.104-109, Feb. 2021.

川原圭博，”MOCHAにおけるセンサデータの利活用とガバナンス，” 東京大学未来ビジョン研究センター/東京大学情報学環・学際情報学府連携シンポジウム「デジタルトランスフォーメーションとデータガバナンス」，-，東京, March 2021.