This paper is concerned with the development of a tactile sensor using PVDF (Polyvinylidene Fluoride) film as a sensory receptor of the sensor to evaluate softness, smoothness, and stickiness of human skin. Tactile sense is the most important sense in the sensation receptor of the human body along with eyesight, and we can examine skin condition quickly using these sense. But, its subjectivity and ambiguity make it difficult to quantify skin conditions. Therefore, development of measurement device which can evaluate skin conditions easily and objectively is demanded by dermatologists, cosmetic industries, and so on. In this paper, an advanced haptic sensor system that can measure multiple information of skin condition in various parts of human body is developed. The applications of the sensor system to evaluate softness,
smoothness, and stickiness of skin are investigated through two experiments.
This paper is concerned with the development of a tactile sensor using PVDF (Polyvinylidene Fluoride) film
as a receptor of the sensor to evaluate a detergent. Tactile sense is the most important sense in the sensation
receptor of the human body along with eyesight. When the dish which washed cleanly is rubbed with a finger
of human, good tactile sense and sound (vibration signal) like "Kyu-kyu" are obtained. From this tactile sense
and sound, we judge that a dish becomes squeaky-clean. This tactile sense and sound are evaluation parameters
when consumer selects a detergent. In this study, a tactile sensor using PVDF film as the receptor is fabricated.
Sensory test of detergents was conducted. Measurement experiment by the sensor is carried out. Experiment
results show that sensor output have good correlation with the result of human sensory test of detergent.
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