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This 3D-printed robotic arm is built for sign language | Any Tech news
Home / Tech News / This 3D-printed robotic arm is built for sign language

This 3D-printed robotic arm is built for sign language



While we usually see robotics applied to industrial or research applications, there are plenty of ways they could help in everyday life as well: an autonomous guide for blind people, for instance, or a kitchen bot that helps disabled folks cook. Or — and this one is real — a robot arm that can perform rudimentary sign language.

It’s part of a masters thesis from grad students at the University of Antwerp who wanted to address the needs of the deaf and hearing impaired. In classrooms, courts, and at home these people often need interpreters — who aren’t always available.

Their solution is “Antwerp’s Sign Language Actuating Node,” or ASLAN. It’s a robotic hand and forearm that can perform sign language letters and numbers. It was designed from scratch and built from 25 3D-printed parts, with 16 servos controlled by an Arduino board. It’s taught gestures using a special glove, and the team is looking into recognizing them through a webcam as well.

Right now, it’s just the one hand — so obviously two-hand gestures and the cues from facial expressions that enrich sign language aren’t possible yet. But a second coordinating hand and an emotive robotic face are the next two projects the team aims to tackle.

The idea is not to replace interpreters, whose nuance can hardly be replicated, but to make sure that there is always an option for anyone worldwide who requires sign language service. It could also be used to help teach sign language — a robot doesn’t get tired of repeating a gesture for you to learn.