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Googles Smart Textiles tested by robot (PHOTO)

Googles Smart Textiles tested by robot (PHOTO)Google is relying on a beefy robotic arm to help it test out the reliability of the interactive fabrics its making as part of a skunkworks project that can bring gesture and touch recognition to everything from jackets to teddy bears.

Unveiled last spring, Project Jacquard is creating textiles woven with grids of conductive yarns that are made with typical manufacturing methodsthe hope is to make smart clothing, furniture, toys, and other fabric-covered items that are connected to electronics but are also affordable and durable.

There have been plenty of connected textiles in the past, but most of them have been limited to things like fitness apparel and fashion-forward art projects. So before bringing its conductive fabric to the average persons shirt or jeans, the people behind Project Jacquard want to figure out how well they can expect it to hold up over time, and how well it recognizes gestures.
Googles Smart Textiles tested by robot (PHOTO)

Project Jacquard interactive fabric can be connected to small electronic components; the idea is that when you perform a gesture on the fabric it can then be sent wirelessly to a phone or other gadget


As they describe in a research paper that will be presented at a computer-human interaction conference in May, they used a robotic arm from industrial robot maker KUKA Robotics to repeatedly swipe a piece of their fabric laid atop what they describe as a flexible sponge foam to best simulate body flexibility.

After 10 hours of swiping, Project Jacquard researchers determined a life span of three years and 200 days of usage for a swatch of the interactive fabric, assuming you swiped it 200 times per day, for a total of 12,000 swipes. At that rate, gesture recognition was slightly over 95 percent and the fabric wasnt visibly damaged, the researchers report.
Googles Smart Textiles tested by robot (PHOTO)

Googles Project Jacquard has been using a robotic arm to test its interactive fabric by swiping the textile over and over


Researchers say they later had the robot arm perform another 30,000 swipes on the same fabric and still reported a gesture-recognition rate of over 95 percent.

The results arent as impressive with real people. Researchers say that in another experiment they attached patches of interactive fabric to a jacket sleeve and had a dozen people perform three gestures (swiping left, swiping right, and using a hold gesture) while standing, walking, and sitting. Under these conditions, which are a little closer to how youd probably use the fabric in regular life, the gestures werent recognized nearly as easily: researchers report their overall rate of recognition was nearly 77 percent. Ivan Poupyrev, who leads Project Jacquard and coauthored the paper, says that this has improved significantly in more recent work.
Googles Smart Textiles tested by robot (PHOTO)

This gridded piece of fabric shows how Googles Project Jacquard weaves conductive yarn with standard yarn; it can then be attached to electronic components


Ryan Robucci, an assistant professor at the University of Maryland, Baltimore County, who is working on a fabric-based sensor to help disabled people interact with gadgets via gestures, says gesture recognition is difficult because the person and the fabric can be moving, and, unlike a robotic arm, a person doesnt always perform the correct gesture.

There are not yet any products publicly available that include Project Jacquard fabric, though clothing maker Levi Strauss, which is working with Google on the project, has said it plans to release a limited number of pairs of jeans with the technology this spring and more in the fall.

Source: MIT Technology Review
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