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This paper proposes a new multifunctional tactile sensor for detection of material hardness. The proposed sensor is the semielliptic structure imitating the human finger and consists of several piezoelectric ceramic transducers arranged on the surface part and a parallel plate condenser on the upper side. Capacitance values are simultaneously measured by the front electrodes of piezoelectric ceramic...
The objective of this study is to evaluate the friction property of human hair in hair washing by a physical index. The reactive force during hair brushing was measured to establish a physical index, and verified by examining the correlation with the sensory evaluation. A hair sample was fixed by a tensile jig of universal tester, and drawn up by fixed velocity with a metallic brush inserted while...
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