JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING
Online ISSN : 2188-9023
Print ISSN : 0919-2948
ISSN-L : 0919-2948
Volume 51, Issue 1
Displaying 1-2 of 2 articles from this issue
  • Jun-ya NAGASE, Kazuki HAMADA, Toshiyuki SATOH, Norihiko SAGA
    2016 Volume 51 Issue 1 Pages 41-50
    Published: 2016
    Released on J-STAGE: January 05, 2016
    JOURNAL FREE ACCESS
    The purpose of this study is to develop a hand rehabilitation device for pinching motion for people with hemiplegia. Patients who have hemiplegia are increasing due to the aging of society in Japan; the number of therapists who support rehabilitation of hemiplegia is insufficient. Therefore, the demand of robots which support the rehabilitation is increasing. In the hand rehabilitation, it is important to conduct the finger pinching motion to perform activity of daily living. However, in the hand rehabilitation robots that have been developed, these provide only grasp motion. From this reason, we aimed to develop a finger rehabilitation device for pinching motion. This device consists a glove, the balloon actuator, and tension springs. The device was able to conduct the pinching motion. In this paper, we report the mechanism, design and basic characteristics of the developed rehabilitation device.
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  • Kazuto IMAZEKI, Toshiyuki YASUI, Takashi MAENO
    2016 Volume 51 Issue 1 Pages 51-66
    Published: 2016
    Released on J-STAGE: January 05, 2016
    JOURNAL FREE ACCESS
    Wants Chain Analysis (WCA) is a method that analyses relationships between stakeholders. WCA is an intuitive and useful method, however it have not a way to evaluate quantitatively. Therefore it is difficult to use WCA for a decision-making. The proposed method provides a quantitative method for WCA and it can be used for a decision-making. In this method, at first, usual WCA is performed for as-is and to-be system. Next, “overall satisfaction of wants (OSW)” is calculated for all stakeholders and each system. To calculate the OSW, concept of Analytic Hierarchy Process is applied. If the difference of OSW between to-be and as-is system is positive in all stakeholders, the to-be system is valuable. Therefore, by using the proposed method, we can decide whether the system is effective or not. To validate this proposed method, we tried to apply this method to example of real business-model. Through this analysis, effectiveness of proposed method is confirmed.
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