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Akademický článek

Virtual reality-based action observation facilitates the acquisition of body-powered prosthetic control skills

Autor: Manabu Yoshimura, Hiroshi Kurumadani, Junya Hirata, Hiroshi Osaka, Katsutoshi Senoo, Shota Date, Akio Ueda, Yosuke Ishii, Seiji Kinoshita, Kozo Hanayama, Toru Sunagawa

Publikováno v: Journal of NeuroEngineering and Rehabilitation, Vol 17, Iss 1, Pp 1-12 (2020)

Abstract Background Regular body-powered (BP) prosthesis training facilitates the acquisition of skills through repeated practice but requires adequate time and motivation. Therefore, auxiliary tools such as indirect training may improve the training

Externí odkaz: https://doaj.org/article/e4d355a8ed5649ea9a9b4a4451f3848f

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Akademický článek

Brachialis Muscle Activity Can Be Measured With Surface Electromyography: A Comparative Study Using Surface and Fine-Wire Electrodes

Autor: Shota Date, Hiroshi Kurumadani, Yuko Nakashima, Yosuke Ishii, Akio Ueda, Kazuya Kurauchi, Toru Sunagawa

Publikováno v: Frontiers in Physiology, Vol 12 (2021)

Muscle activities of the elbow flexors, especially the brachialis muscle (BR), have been measured with intramuscular electromyography (EMG) using the fine-wire electrodes. It remains unclear whether BR activity can be assessed using surface EMG. The

Externí odkaz: https://doaj.org/article/89712c6235714b64a1a040b0020a7412

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Akademický článek

Quantitative evaluation of abnormal finger movements in myelopathy hand during the grip and release test using gyro sensors

Autor: Shota Date, Kazuyoshi Nakanishi, Yasushi Fujiwara, Kiyotaka Yamada, Naosuke Kamei, Hiroshi Kurumadani, Manabu Yoshimura, Akio Ueda, Yosuke Ishii, Ryo Ohta, Shinji Kotaka, Yuji Tsuchikawa, Toshio Nakamae, Masakazu Ishikawa, Ken Hirao, Yoshinori Fujimoto, Nobuo Adachi, Toru Sunagawa

Publikováno v: PLoS ONE, Vol 16, Iss 10 (2021)

Previous studies have reported qualitative characteristics of myelopathy hand, but few studies have reported quantitative kinematic parameters of this condition. Our purpose of this study was to quantitatively evaluate the abnormal finger movements i

Externí odkaz: https://doaj.org/article/2a22577c543749aaa55c7e0bb1bc9907

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Akademický článek

Edge contact analysis for power transmission gears using tooth-flank-film elements

Autor: Ichiro MORIWAKI, Akio UEDA, Daisuke IBA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 863, Pp 18-00033-18-00033 (2018)

The present paper describes edge contact analyses for power transmission gears using tooth-flank-film elements, which have been proposed for finite element analyses of tooth stresses. For edge contact analyses, the tooth-flank-film elements are place

Externí odkaz: https://doaj.org/article/d84b97aec8ee4688bd9bf76d75702e94

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Akademický článek

Tooth surface temperature and power transmission efficiency of plastic sine-curve gear

Autor: Takao KOIDE, Tatsuya YUKAWA, Suguru TAKAMI, Akio UEDA, Ichiro MORIWAKI, Atsutaka TAMURA, Junichi HONGU

Publikováno v: Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 11, Iss 6, Pp JAMDSM0082-JAMDSM0082 (2017)

The present paper describes the tooth surface temperature and the power transmission efficiency of plastic sinecurve gears in the running condition. The plastic sine-curve and involute gears were manufactured by injection molding. The running tests f

Externí odkaz: https://doaj.org/article/96552aff0a4e4ae3841b9ccbbbcd73f7

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Akademický článek

Explores for the source of the gears in traditional Japanese clock (Wadokei)

Autor: Akio UEDA, Jun WATANABE, Miyako MIYAZAKI, Aizoh KUBO, Hiroaki MATSUOKA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 847, Pp 16-00295-16-00295 (2017)

The purpose of this study is to understand the nature of one of the oldest gears used in traditional Japanese clock. Today's gear manufacturing technology in Japan came mostly from Europe and America, but we do not know exactly, when and how the gear

Externí odkaz: https://doaj.org/article/95adff48633846f99cd521464a7720d4

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Akademický článek

An Analysis of a Micro Cogeneration System Composed of Solid Oxide Fuel Cell, Microturbine, and H2O/LiBr Absorption Refrigerator

Autor: Motohiro SAITO, Hideo YOSHIDA, Yuhei IWAMOTO, Akio UEDA

Publikováno v: Journal of Thermal Science and Technology, Vol 2, Iss 2, Pp 168-179 (2007)

A micro cogeneration system composed of a solid oxide fuel cell (SOFC) and a microturbine (MT) and an absorption refrigerator is analyzed thermodynamically. The performance analysis is conducted on the basis of the balance of macroscopic mass and ene

Externí odkaz: https://doaj.org/article/4045386abd31466e8d1d3dbdd493ad85

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