Tech Briefs Magazine - August 2022 - MD-17

Single-Step 3D-Printing
Process to Build Robots
The piezoelectric " meta-bot " is capable of
propulsion, movement, sensing, and
decision-making.
University of California Los Angeles, CA
A
team of UCLA engineers and their colleagues have developed
a new design strategy and 3D printing technique to build robots
in one single step. The breakthrough enabled the entire mechanical
and electronic systems needed to operate a robot to be
manufactured all at once by a new type of 3D printing process for
engineered active materials with multiple functions (also known
as metamaterials). Once 3D printed, a " meta-bot " will be capable
of propulsion, movement, sensing, and decision-making.
The printed metamaterials consist of an internal network
of sensory, moving, and structural elements and can move by
themselves following programmed commands. With the internal
network of moving and sensing already in place, the only external
component needed is a small battery to power the robot.
" We envision that this design and printing methodology of
smart robotic materials will help realize a class of autonomous
materials that could replace the current complex assembly process
for making a robot, " said the study's Principal Investigator
Xiaoyu (Rayne) Zheng, an Associate Professor of civil and environmental
engineering, and of mechanical and aerospace engineering
at the UCLA Samueli School of Engineering.
" With complex motions, multiple modes of sensing and programmable
decision-making abilities all tightly integrated, it's
similar to a biological system with the nerves, bones, and tendons
working in tandem to execute controlled motions, " added
Zheng.
The team demonstrated the integration with an on-board battery
and controller for the fully autonomous operation of the 3D
printed robots - each at the size of a fingernail. According to
Zheng, the methodology could lead to new designs for biomedical
robots, such as self-steering endoscopes or tiny swimming robots,
which can emit ultrasounds and navigate themselves near blood
vessels to deliver drug doses at specific target sites inside the body.
Most robots, no matter their size, are typically built in a
" That's one small step for a man,
one giant leap for mankind. "
Neil Armstrong, 21th July 1969
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A team of UCLA engineers has developed a new design strategy and 3D printing
technique to build robots in one single step. (Image: UCLA)
Motion Design, August 2022
fmo_220428_anz_schrittmotor_am3248_3_375x9_625inch_en.indd 1
17
24.06.22 15:25

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Tech Briefs Magazine - August 2022

Table of Contents for the Digital Edition of Tech Briefs Magazine - August 2022

Tech Briefs Magazine - August 2022 - Intro
Tech Briefs Magazine - August 2022 - Sponsor
Tech Briefs Magazine - August 2022 - Cov1
Tech Briefs Magazine - August 2022 - Cov2
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Tech Briefs Magazine - August 2022 - MD-Cov1
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