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Development of Prototype Supporting Mechanism Based on Measurement of Standup Motions
Naoya Nakanishi,Taigi Suzuki,Yuta Hongo,Satoshi Iso,Takashi Oogawara,Nobuto Matsuhira 제어로봇시스템학회 2015 제어로봇시스템학회 국제학술대회 논문집 Vol.2015 No.10
To develop a mechanism that will support the standup motions of elderly people, a control method and operation-start condition are proposed using a measurement apparatus. On the basis of those results, a support mechanism is then designed with a practical size and experiments are conducted to verify its effectiveness. In younger subjects, the floor’s reaction force decreases when the support mechanism is used, which is the same effect gained when the measurement apparatus is used. However, similar effectiveness is not seen in elderly subjects because of the different way in which they hold the handrail. Thus, in the future, the mechanism’s design will be revised, taking into consideration the elderly’s specific characteristics.
Shibatani, Saori,Nakanishi, Motohiro,Mizuno, Nobumi,Mishima, Fumihito,Akiyama, Yoko,Okada, Hidehiko,Hirota, Noriyuki,Matsuura, Hideki,Maeda, Tatsumi,Shigemoto, Naoya,Nishijima, Shigehiro The Korea Institute of Applied Superconductivity a 2016 한국초전도저온공학회논문지 Vol.18 No.1
A Superconducting High Gradient Magnetic Separation (HGMS) system is proposed for treatment of feed-water in thermal power plant [1]. This is a method to remove the iron scale from feed-water utilizing magnetic force. One of the issues for practical use of HGMS system is to extend continuous operation period. In this study, we designed the magnetic filters by particle trajectory simulation and HGMS experiments in order to solve this problem. As a result, the quantity of magnetite captured by each filter was equalized and filter blockage was prevented. A design method of the magnetic filter was proposed which is suitable for the long-term continuous scale removal in the feed-water system of the thermal power plant.
Study of the drive-timing for a standup motion-supporting mechanism for the elderly
Shuhei Nomura,Naoya Nakanishi,Nobuto Matsuhira,Takashi Oogawara,Takashi Yoshimi,Hideichi Nakamoto 제어로봇시스템학회 2016 제어로봇시스템학회 국제학술대회 논문집 Vol.2016 No.10
To develop a mechanism that will smoothly support the standup motion of elderly people, we reconsidered the operation-start timing of our previously developed device using a measurement apparatus. In the experiments with elderly subjects, the mechanism did not work as well as it did with younger subjects. For younger subjects, the floor’s reaction force decreased when the support mechanism was used, which was the same as the effect gained when the measurement apparatus was used. However, similar effectiveness was not seen for elderly subjects because of the different way in which they hold the handrail. Thus, we investigated the cause of this discrepancy with the aim of improving the apparatus. As a result, the success rate of the start timing of the support mechanism was improved through experimentation with elderly people.