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 2024

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  • Hikaru Otsuka,Shunei, Akaba, Taisei Hara, Hiroki Nagai, and Hiroshi Tokutake, "Thrust variations in small rotors due to corner and vertex effects on the ground side,", The Aeronautical Journal, (Accepted 2024/11).
  • Hikaru Otsuka, Hiromi Ueno, Renta Oishi, Naoki Hayashi, Ryoma Nakayama, Hiroshi Tokutake, "Single-Use Aircraft Launch System with Small Helium Balloon for 1 kPa Flight Testing," Journal of Robotics and Mechatronics, Vol.36, No. 5,pp. 1167-1178, 2024. DOI: 10.20965/jrm.2024.p1167
  • Hikaru Otsuka, Akihiro Kawasaki, Hiroshi Tokutake, "In-flight Rotor Blade Tip Damage Detection of Small Multirotor using Ultrasonic Sensors," Transactions of the JSASS, JSASS, Vol. 67, No. 4, pp. 203-211, 2024/7.
  • Hikaru Otsuka, Masayoshi Kohno, Keiji Nagatani, "Fountain Flow Visualization in Quadrotor Wake Decreasing Rotor Thrust in-Ground Effect," Journal of Aircraft, AIAA, Vol. 61, No.3, pp. 761-773, 2024. doi/10.2514/1.C037101
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  • Hikaru Otsuka, Yukitaka Kobayashi, Shunei Akaba, Hiroshi Tokutake, Masaki Okawa, Tsubasa Ikami, and Hiroki Nagai, "Smoke-Visualized Wake of Quadrotor in Ground Effect" Twenty-fourth International Symposium on Advanced Fluid Information (AFI2024), CRF-02, Sendai, Japan, Nov. 19, 2024.
  • Hikaru Otsuka, Haruto Sasaki, Hiroshi Tokutake, Tsubasa Ikami, Hiroki Nagai, Honoka Osaki, Daisuke Sasaki, and Yuki kawamoto, "Plan to study the Surface Flow of a Small Rotor Blade with a Vortex Generator" Twenty-fourth International Symposium on Advanced Fluid Information (AFI2024), CRF-01, Sendai, Japan, Nov. 19, 2024.
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 2023

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  • ⾚⽻½Ô±Í, ¸¶⼤⽣, ⼤Ä͸÷, ÆÀ⽵¹À, °Ë¿ÀÍã, ±Ê°æ⼤¼ù¡ÖĺÅÀ¸ú²Ì¤Ë¤è¤ë¥í¡¼¥¿¿ä⼒ÊÑÆ°¤Îɾ²Á¡×¡¤Âè61²óÈô¹Ôµ¡¥·¥ó¥Ý¥¸¥¦¥à¡¤Ë̶彣»Ô¡¤1F12¡¤11/15-17¡¤2023.
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  • Hikaru Otsuka, Taisei Hara, Hiroshi Tokutake, Hiroki Nagai, "Simulation of Fountain Flow Development in Quadrotor Wake with Symmetry Boundary Condition," Twenty-third International Symposium on Advanced Fluid Information (AFI2023), Sendai, Japan, Nov. 6-8, 2023.
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 2022

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  • Hiroshi Tokutake; Soshi Okada; Shigeru Sunada; Yasutada Tanabe; Koichi Yonezawa, "On-board Downwash Speed Estimation of Drone Rotor Based State Observer"¡¤Transactions of JSASS, Vol. 65, No. 6, pp.231-236, 2022/11.
  • Kota Shibata, Yosuke Maeda, Kohei Yamaguchi, Shun Watanabe, Shigeru Sunada, Yasutada Tanabe, Hideaki Sugawara, Hiroshi Tokutake, Koichi Yonezawa, "Vertical Autorotation Strategies for a Quadrotor with a Collective Pitch Control Mechanism", Technical Journal of Advanced Mobilit, Vol. 3, No. 7, pp. 91-106, 2022/10.
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  • Taisei Hara, Hikaru Otsuka, Hiroshi Tokutake, Hiroki Nagai, "Preliminary Study on Quadrotor Wake in Ground Effect Using Symmetry Walls", Twenty-second International Symposium on Advanced Fluid Information (AFI2022), Sendai, Japan, Nov. 9-11, 2022.
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 2021

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  • Yasutada Tanabe, Hideaki Sugawara, Shigeru Sunada, Koichi Yonezawa, and Hiroshi Tokutake, "Quadrotor Drone Hovering in Ground Effect",Journal of Robotics and Mechatronics, Vol.33, No.2, 2021/4, pp. 339-347, doi: 10.20965/jrm.2021.p0339.
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 2020

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  • »ûÀ¾ æÆ°ìϯ, ÆÀÃÝ ¹À, "Ãí°Õ¾õÂÖ¤òÈ¿±Ç¤·¤¿¥É¥é¥¤¥Ð¤Î»ëÀþ°ÜÆ°¥â¥Ç¥ë¤ÎƱÄê", ÆüËܵ¡³£³Ø²ñÏÀʸ½¸,Vol.86, No. 889, p. 20-00190, 2020/9.
  • Hiroshi Tokutake, Koji Fujita, Akira Oyama, and Hiroki Nagai, "Attitude Estimation using Thermopile Sensors on Mars Airplane Balloon Experiment-1 (MABE-1) ", Trans. JSASS Aerospace Tech. Japan, Vol. 18, No. 2, pp. 17-24, 2020, DOI: 10.2322/tastj.18.17
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