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To realize high-sensitive and shock-resistant tactile sensor, the sensing element was surrounded by dilatant fluid, which is soft against a static force and hard against an impact force. The applied static force was concentrated to the sensor, whereas the impact force was dispersed to the substrate. We have experimentally shown that the shock-resistant nature of the sensor with dilatant fluid package...
We propose a force sensor based on gold nanoparticles, which enable optical detection of force by measurement of the scattering light spectrum. Gold nanoparticles were dispersed on an elastomer sheet. The scattering spectrum changes due to strain were observed to investigate applicability of the sensor to force measurement. The force deforms the elastomer sensor body, and increases the interparticle...
We directly measured the stresses induced on impact between a golf ball and a golf club head. The strain sensors were embedded into grooves on the face of the club head. 3-axis strain sensors were able to measure one normal stress and two shear stresses at each location. The shear stress directions indicated by the outputs of the sensors were in good agreement with the direction of the ball spin obtained...
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