Tech Briefs Magazine - May 2021 - 54

Facility Focus
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A Princeton team built a platform that allows
computer designers to customize systems in
new ways, mixing systems to boost performance. Researchers can connect their cores into
the modifiable hardware framework, which
readily supports multiple Instruction Set
Architectures (ISAs) and can scale to handle as
many as half a billion cores. (Photo: Sameer A.
Khan/Fotobuddy)

lungs. The new tool could give doctors
valuable information about a patient's
condition quickly and cheaply at the point
of care. A machine learning model looks
at a simple X-ray image and finds patterns
that are too subtle even for the expert
human eye. This tool would give doctors a
new measure for determining the type and
severity of COVID-19 pneumonia.

Mechanical and Aerospace
Engineering
Mechanical and aerospace engineers
(MAEs) at Princeton have played leading roles in combustion, fluid flow modeling and measurement, laser technologies and materials, propulsion, environmental science, and aerospace dynamics
over the past half century. MAEs also
have a major impact in control and
dynamical systems, satellite technology
and propulsion, stability and control of
vehicles, robotics, pollution and alternative fuels, and instrumentation.
MAEs adapted machine learning
frameworks from other arenas to the field
of robot locomotion and manipulation,
applying generalization theory to the
complex task of making guarantees on
robots' performance in unfamiliar settings. In a proof of principle, the
researchers validated the technique by
assessing the obstacle avoidance of a
small drone as it flew down a 60-foot-long
corridor dotted with cardboard cylinders.
The guaranteed success rate of the
drone's control policy was 88.4% and it
avoided obstacles in 18 of 20 trials (90%).
Researchers developed sustainable,
self-morphing building blocks from the
nano to macro scales inspired by biologi-

cal systems to devise novel manufacturing
processes of highly efficient structures
and components from centimeter to
meter scale. The systems will be lightweight yet ultra-strong, self-supportive,
adaptive, and energy efficient. They
could be used as alternatives to common
construction materials such as concrete,
steel, aluminum, and carbon fibers that
create a lot of construction waste and
energy consumption.
Using ribbons many times finer than a
human hair, Princeton researchers have
developed a highly sensitive flow meter
that is inexpensive and useful in largescale commercial and industrial applications. The novel sensor can determine
the flow velocity in a way different from
all available sensors in a process called
elastic filament velocimetry (EFV). The
sensors are extremely sensitive to small
flow rates and their simplicity makes
manufacturing very scalable and cost efficient. Both attributes will allow for largescale commercial and industrial applications including chemical manufacturing,
refining, and pharmaceutical manufacturing and delivery. The team is also
working to adapt the technology for further uses such as administering medicine
to patients in syringe-like devices when
dosage control is critical.

Operations Research and
Financial Engineering
The ongoing information and machine
learning revolution has had enormous
impact on almost every aspect of society
and the workplace. Operations Research
and Financial Engineering (ORFE) research focuses on the foundations of data
science and probabilistic modeling, with
applications in communications, economics and finance, energy and the environment, healthcare management, physical
and biological sciences, social neworks,
and transportation.

Technology Transfer
The Office of Technology Licensing
(OTL) provides technology transfer
services for university researchers, industry partners, entrepreneurs, and investors. Contact John Ritter, Director, at
jritter@princeton.edu, 609-258-1570.
Learn more about the OTL at https://
patents.princeton.edu.
For information on Princeton technologies available for licensing, visit
http://puotl.technologypublisher.com.

54

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Tech Briefs Magazine - May 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - May 2021

Tech Briefs Magazine - May 2021 - Intro
Tech Briefs Magazine - May 2021 - Sponsor
Tech Briefs Magazine - May 2021 - Cov1
Tech Briefs Magazine - May 2021 - Cov2
Tech Briefs Magazine - May 2021 - 1
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Tech Briefs Magazine - May 2021 - Cov3
Tech Briefs Magazine - May 2021 - Cov4
Tech Briefs Magazine - May 2021 - PIT-Cov1
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Tech Briefs Magazine - May 2021 - PIT-1
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