A PIONEERING project which aims to develop advanced sensors for use in robotic systems, could transform prosthetics and robotic limbs.
The research project is led by University of the West of Scotland (UWS) and Integrated Graphene Ltd, and supported by the Scottish Research Partnership in Engineering (SRPe) and the National Manufacturing Institute for Scotland (NMIS) Industry Doctorate Programme in Advanced Manufacturing.
It aims to develop sensors which provide enhanced capabilities to robots, helping improve their dexterity and motor skills, through the use of accurate pressure sensors which provide haptic feedback and distributed touch.
Professor Des Gibson, director of the Institute of Thin Films, Sensors and Imaging at UWS and project principal investigator, said: “Over recent years the advancements in the robotics industry have been remarkable, however, due to a lack of sensory capabilities, robotic systems often fail to execute certain tasks easily. For robots to reach their full potential, accurate pressure sensors, capable of providing greater tactile ability, are required.
“Our collaboration with Integrated Graphene Ltd has led to the development of advanced pressure sensor technology, which could help transform robotic systems.”
Made from 3D graphene foam, which offers unique capabilities when put under mechanical stress, the sensors use a piezoresistive approach, meaning when the material is put under pressure it dynamically changes its electric resistance, easily detecting and adapting to the range of pressure required, from light to heavy.
Marco Caffio, co-founder and chief scientific officer at Integrated Graphene, said: “Gii, our novel 3D graphene foam, has the capability to mimic the sensitivity and feedback of human touch, which could have a transformative impact on how robotics can be used for a whole range of real-world applications from surgery to precision manufacturing.”
The next stage of the project will look to further increase sensitivity of the sensors, before developing for wider use in robotic systems.
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