International Journal of Affective Engineering
Online ISSN : 2187-5413
Original Articles
Investigation into Hand Movements to Assess Material Properties of Wood
Minako SHITARAHiroaki YOSHIDAMasayoshi KAMIJOGoroh FUJIMAKIHodaka YAMAGUCHI
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Volume 16 (2017) Issue 3 Pages 173-182

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Abstract

Tactile perception is an important sensation for assessing the comfortability of wood. In this study, we applied a 3D real-time motion measurement system and a body pressure distribution system to investigate the different hand movements that subjects tended to use when assessing four material properties of wood. The results showed that subjects traced the square wood specimen with a rectangular motion to evaluate “cool/warm” and “hard/soft”. However, when subjects evaluated “cool/warm,” their hands stayed on one spot for a short period to check the transfer of heat, whereas when subjects evaluated “hard/soft,” their hands moved continuously to check the material hardness. When subjects evaluated “rough/smooth” and “dry/moist,” they touched the surface of the wood continuously. When evaluating “rough/smooth,”, they used a slight rubbing movement between the surface of the wood and the skin, in contrast with the vertical hand movements used by subjects to check moisture level when evaluating “dry/moist.”

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© 2017 Japan Society of Kansei Engineering
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