Microactuator modeling to develop a new template for the Braille

Abstract

The results of this work are contributions to the modeling and design a original microactuator system that allows braille reading. Here, we propose to use one matrix composed by six actuators to form the 63 Braille combinations. To define the geometry of the matrix we used the physiological limits of perception.. In this work, we use a finite element model with the Comsol software for modelling this type of miniature actuator for integration into a test device. In order to lower the operating voltage of such systems, we focus our study on microsystem based piezoelectric material. We demonstrated that micro-actuators can exhibit non uniform compression. This deformation depends on thin films thickness and design of membrane arms.