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The is a 2D laterotactile display that stimulates the fingertip with a matrix of miniature piezoelectric bending actuators. The latest revision is composed of 64 actuators in an 8 by 8 matrix. An earlier revision had 60 actuators in a 6 by 10 matrix. In both cases, the active area of the tactile display is slightly smaller than the average fingertip (approximately 1 cm2). This tactile display is the result of sustained efforts over more than a decade by a number of graduate students in the Haptics Laboratory. Earlier generations of the tactile display can be found in the publications below.


The following movies show how the STReSS actuators can be controlled individually so that different patterns of activation can be produced.



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