2P1-G09 インソールに配置したMEMS3軸力センサによる足裏応力分布計測(感覚・運動・計測(3))

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  • 2P1-G09 Measurement of 3-axis Stress Distribution at Human Sole by MEMS 3-axis Force Sensors Placed on Insole(Sense, Motion and Measurement (3))

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We proposed and demonstrated a wireless measurement system of 3-axis stress distribution at a human sole. The system consists of three 3-axis force sensors fabricated by MEMS (Micro Electro Mechanical Systems) technologies which were placed on the heel, thenar and hypothenar, three amplifier circuit boards and a CPU board with a Bluetooth module. The 3-axis stresses composed of normal stress of vertical direction and shear stresses of lateral and front-back directions were measured and calibrated for crosstalk compensation in level walk. The peak stresses of vertical, lateral and front-back directions are about 100kPa at the heel and thenar, 15kPa at the thenar and 20kPa at the heel, respectively.

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