Abstract
A tangential force on a fingertip improves the stability of a given operation in telexistence or virtual reality systems. This study seeks the representation of tangential force via an electrotactile display. A selective stimulation of mechanoreceptors has a potential to represent a natural tactile sensation using the compact electrotactile display. To represent the tangential force using the electrotactile stimulation, responses of RA and SAI receptors should be estimated. In this paper, we focused on a stick state when a tangential force is applied to a fingertip. We constructed a two-dimensional fingertip model and numerically estimated responses of each receptors using finite element method (FEM). Based on the results of FEM, we constructed a signal of electrotactile stimulation to represent the stick state.
