Nadine Besse, Herbert Shea, Juan Zarate, Samuel Rosset, Luca Brayda presented the “4×4 SMP demo” at the Haptics Symposium 2016 conference held from April 8th till 11th 2016 in Philadelphia, Pennsylvania. In addition to that also a publication was successful at the Symposium.
Impressions from the Symposium
Luca Brayda and Fabrizio Leo explain what are the implications of delivering graphical concepts through touch to blind persons.
The consortium is exhibiting its new prototypes of tactile displays at the congress ICT2015 Innovate, Connect, Transform in Lisbon, Portugal.
Luca Brayda, Herbert Shea, Nadine Besse and Piotr Witek at ICT2015
Haptic display from the BlindPAD consortium with 16 independent taxels (touchable pixels), to demonstrate EPFL’s electromagnetic actuation technology to provide graphical information to blind and visually impaired users.
We use an array of microfabricated coils to generate localized magnetic fields to move miniature magnets up and down. The magnets displace 3D printed taxels, which is what the user touches. This approach gives us large vertical displacement (over 0.5 mm) coupled with good holding force (25 mN) and a refresh time of under 1 second for the entire array.
Now our 4×4 Electromagnetic (EM) and Shape Memory PolyUrethanes (SMPU) taxel arrays are available. We will test out the functionalities and go for the next size…..