Journal of the Science of Design
Online ISSN : 2424-2217
ISSN-L : 2424-2217
STUDY OF GESTURE COMMONALITY AND USABILITY ON FLEXIBLE DEVICE
Analysis of flexible gesture, hand posture and feedback
Hsiang Ling HSUArjun SINGHKenta ONOMakoto WATANABE
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2021 年 5 巻 1 号 p. 1_57-1_66

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This study focused on identifying gestures suitable for the operational control of future flexible devices without considering any specific function. A prototype of a flexible device was fabricated with the help of nano-particle conductive ink. Twenty-seven gestures that were feasible with the device were chosen. A survey as part of the study was conducted, which included (a) objective data (Commonality), namely, pressures heat map graphics and positions of hand posture and (b) subjective data (Usability), namely, questionnaire of NASA-TLX, and preference of gestures, followed by feedback from the conducted interviews during a survey. Cluster analysis was used to divide the gestures into groups. According to the results of the conducted survey, the main reason for the consistency of the pressure distribution depends upon the user's understanding of the amount and the location of the bend due to the gesture on the device called properties of the gestures. Therefore, the pressure distribution was found to be more consistent with the gestures when the user had a clear understanding of the properties of the gesture. The overall score of bend forward gestures was found to be higher than that of bend backward gestures. Finally, the recommended groups are decided based on this study.

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© 2021 2017 Japanese Society for the Science of Design
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