抄録
This paper presents the fingertip which can detect the characteristic of object. In previous work, our research group found the sign for fracture appears before total fracture of the object when compressing ductility objects (such as Tofu) with fingertip filled with viscoelastic fluid. The sign is small change rate of pressure inside the fingertip. We call it "Initial break". However, the detail of the phenomenon was unclear. In this paper, we experimentally examine which conditions of fingertips affect expression of initial break.
