Tech Briefs Magazine - February 2021 - 54

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A new paradigm in sensing for hypersonic vehicles could also be applied to lower-speed craft. The
sensing paradigm can tell where on a vehicle most of the pressure is going during flight testing.

called hydrogels. The approach could
help people in remote villages or on military missions where the absence of pharmacies, doctor's offices, or even basic
refrigeration makes it hard to access critical medicines, daily-use chemicals, and
other small-molecule compounds. Products can be produced within a couple of
hours to a couple of days.
Wearable heart monitor - A wearable
technology made from stretchy, lightweight material could make heart health
monitoring easier and more accurate
than existing electrocardiograph machines. The device is so lightweight and
stretchable that it can be placed over the
heart for extended periods with little or
no discomfort. It also measures cardiac
health in two ways, taking electrocardiograph (ECG) and seismocardiograph
(SCG) readings simultaneously. Powered
remotely by a smartphone, the " e-tattoo "
is the first ultrathin and stretchable technology to measure both ECG and SCG.
Water purification - A device for collecting and purifying water was inspired
by a rose and is a dramatic improvement
on current methods. Each flower-like
structure costs less than 2 cents and can
produce more than half a gallon of water
per hour per square meter. An origami
rose provided the inspiration for developing a new kind of solar-steaming system made from layered, black paper
sheets shaped into petals. Attached to a
stem-like tube that collects untreated
water from any water source, the 3D rose
shape makes it easier for the structure to
collect and retain more liquid.
Robotic actuator - A novel type of
actuator known as a viscoelastic liquidcooled actuator (VLCA) was implement-

ed into a newly designed legged robot
called DRACO, which was built for this
project. The team's goal was to show that
the VLCA excels in five critical axes that
enhance a legged robot's movement and
performance: energy efficiency, torque
density, impact resistance, joint position,
and force controllability. The VLCA
design consists of elastomers with a piston-like ball screw drive that can be used
in multi-DOF (multiple degrees of freedom) robots.
Hypersonic vehicle sensing - UT
teamed with NASA and the Air Force
Office of Scientific Research to re-define
sensing and analysis of hypersonic vehicles, which can travel at least five times
the speed of sound and potentially revolutionize space and air travel. The team's
goal is to create a new paradigm in sensing for hypersonic vehicles that could
also be applied to lower-speed craft. The
project -- Full Airframe Sensing Technology (FAST) - will treat the vehicles
themselves as sensors, analyzing aerodynamic changes during flight tests, and
use that information to infer where
force is being applied so they can better
protect and control the vehicles.

Technology Transfer
The Office of Technology Commercialization (OTC) is responsible for the
efficient transfer of university discoveries
to the marketplace. The OTC evaluates,
protects, markets, and licenses the university's inventions and software as well as
assisting in the formation of startups.
For more information on available
UT inventions, contact the OTC at
licensing@otc.utexas.edu or phone
512-471-2995.

54

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Tech Briefs Magazine - February 2021

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