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Engineering researchers have developed filtered b-spline (FBS)
algorithms to speed up consumer 3-D printers without sacrificing
quality. The research was conducted in the Smart and Sustainable
Automation Research Lab at the University of Michigan College of
Engineering under associate professor of mechanical engineering Chinedum
Okwudire. The research was led by PhD candidates Deokkyun Yoon and
Molong Duan.&nbsp;</em></p><p>A major drawback to 3-D printing the
slow pace of the work could be alleviated through a software algorithm
developed at the University of Michigan.</p><p>The algorithm allows
printers to deliver high-quality results at speeds up to two times
faster than those in common use, with no added hardware costs.</p><p>One
of the challenges for todays 3-D printers lies in vibrations caused as
they work. A printers movable parts, particularly in lightweight
desktop models, cause vibrations that reduce the quality of the item
being produced. And the faster the machine moves, the more vibrations
are created.</p><p>“Armed with knowledge of the printers dynamic
behavior, the program anticipates when the printer may vibrate
excessively and adjusts its motions accordingly,” said Chinedum
Okwudire, an associate professor of mechanical engineering who directs
U-Ms Smart and Sustainable Automation Research Lab.</p><p>To ensure
details are reproduced accurately, the machines are operated slowly. And
the pace of 3-D printing is one of the factors that has prevented the
technology finding a broader audience.</p><blockquote><p>Armed with
knowledge of the printers dynamic behavior, the program anticipates
when the printer may vibrate excessively and adjusts its motions
accordingly.<br>-Chinedum Okwudire</p></blockquote><p>Okwudire cited statements made last year by one 3-D printing company executive about the issues holding the industry back.</p><p>“Were
just waiting for the next evolution of the technology,” Simon Shen, CEO
of XYZPrinting, told TechCrunch last year. “If they can do it much
faster, more precise and easier, that will bring more people to 3-D
printers. Not waiting for four to six hours for a print, but 40 to 60
minutes.”</p><p><span class="fr-img-caption fr-fic fr-dib" style="width: 1114px;"><span class="fr-img-wrap"><img src="wevolver.com.3dprinting_files/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZ.webp" loading="lazy"><span class="fr-inner">On
the bottom, vibrations from the 3-D printer caused the printhead to
offset multiple times. On the top, the new U-M algorithm was applied to
the printer, enabling a successful print. Both U.S. Capitol replicas
were printed on a HICTOP Prusa i3 3-D printer at ~2X speed. Photo: Evan
Dougherty, Michigan Engineering&nbsp;</span></span></span></p><p>In
explaining how his algorithm works, he uses the example of someone
trying to deliver a speech in a large hall. To reach ears in the
farthest rows, that speaker will have to shout.</p><p>Should someone
produce a megaphone, and the speaker still continues to shout, their
voice will be overly amplified and cause the audience to squirm. Using
the megaphone in a normal voice, however, produces the right clarity and
volume.</p><p>“Our software is like that person who realizes their
voice is going to be overly amplified,” Okwudire said. “It acts
preemptively because it knows that the behavior of the printer is going
to be ahead of time.</p><p>“Eventually, one of the places we would want
to see the algorithm applied is in the firmware the software that runs
on the printer itself,” he said. “That way, it will be integrated with
the printers, regardless of the size.”</p><p>Okwudire said his software
can also be used on a variety of industrial-grade machines which suffer
from similar limitations due to vibrations.</p><p>The journal
Mechatronics recently published the labs findings in a paper titled: “A
limited-preview filtered B-spline approach to tracking control With
application to vibration-induced error compensation of a 3D printer.”</p></div></div><div class="sc-e8f28d27-1 dpBGZv"><div id="sticky-search" class="sc-f15725e8-0 gGfQVj"><div class="sc-73b09e21-0 gxZaRb column align-items-start"><h2 class="sc-3a4036d-0 sYWSu">Search for articles and topics on <a target="_blank" id="wevolver-logo-search" class="underline" href="https://www.wevolver.com/"> Wevolver</a></h2><form class="sc-3c4df85a-0 frpgaw"><div style="cursor: pointer;" class="sc-73b09e21-0 gxZaRb"><svg id="magnifier" viewBox="-1 -1 24 24" xmlns="https://www.w3.org/2000/svg" width="18" height="18"><path d="M18.869 19.162l-5.943-6.484c1.339-1.401 2.075-3.233 2.075-5.178 0-2.003-0.78-3.887-2.197-5.303s-3.3-2.197-5.303-2.197-3.887 0.78-5.303 2.197-2.197 3.3-2.197 5.303 0.78 3.887 2.197 5.303 3.3 2.197 5.303 2.197c1.726 0 3.362-0.579 4.688-1.645l5.943 6.483c0.099 0.108 0.233 0.162 0.369 0.162 0.121 0 0.242-0.043 0.338-0.131 0.204-0.187 0.217-0.503 0.031-0.706zM1 7.5c0-3.584 2.916-6.5 6.5-6.5s6.5 2.916 6.5 6.5-2.916 6.5-6.5 6.5-6.5-2.916-6.5-6.5z" fill="var(--gray-border)"></path></svg></div><input type="text" placeholder="Search" aria-label="Search" required="" class="sc-3c4df85a-1 dkopiu"><button id="arrowRightButton" type="submit" class="sc-a74ef0f8-0 kDoRdP"> <svg id="arrow-right" viewBox="0 0 24 24" xmlns="https://www.w3.org/2000/svg" width="24px" height="24px"><path d="M19.354 10.146l-6-6c-0.195-0.195-0.512-0.195-0.707 0s-0.195 0.512 0 0.707l5.146 5.146h-16.293c-0.276 0-0.5 0.224-0.5 0.5s0.224 0.5 0.5 0.5h16.293l-5.146 5.146c-0.195 0.195-0.195 0.512 0 0.707 0.098 0.098 0.226 0.146 0.354 0.146s0.256-0.049 0.354-0.146l6-6c0.195-0.195 0.195-0.512 0-0.707z" fill="var(--light-gray)"></path></svg></button></form><div id="search-tags" class="sc-73ca3318-0 hdOmuR"><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/3d-printing">"3D Printing" </a></div><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/machine-learning">"machine learning" </a></div><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/digital-fabrication">"digital fabrication" </a></div><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/laser-scanners">"laser scanners" </a></div><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/off-the-shelf-components">"off-the-shelf components" </a></div><div class="sc-73b09e21-0 gxZaRb align-items-center"><a style="margin-bottom: 0.5rem; margin-right: 0.75rem;" href="https://www.wevolver.com/tag/low-cost-fabrication">"low-cost fabrication" </a></div></div><div class="explore"><a target="_blank" href="https://www.wevolver.com/all-categories"><span>Explore topics <svg id="arrow-right" viewBox="0 0 24 24" xmlns="https://www.w3.org/2000/svg" width="23" height="16px"><path d="M19.354 10.146l-6-6c-0.195-0.195-0.512-0.195-0.707 0s-0.195 0.512 0 0.707l5.146 5.146h-16.293c-0.276 0-0.5 0.224-0.5 0.5s0.224 0.5 0.5 0.5h16.293l-5.146 5.146c-0.195 0.195-0.195 0.512 0 0.707 0.098 0.098 0.226 0.146 0.354 0.146s0.256-0.049 0.354-0.146l6-6c0.195-0.195 0.195-0.512 0-0.707z" fill="var(--blue)" stroke-width="1" stroke="var(--blue)"></path></svg></span></a></div></div></div></div></div><div class="sc-26d505e4-0 lcrKIC"><p style="color: var(--light-gray); text-transform: uppercase; font-size: var(--font-size-xxs); margin-bottom: 0.5rem;" class="sc-3a4036d-1 eGjZSO">Topic</p><div class="sc-73b09e21-0 gxZaRb row justify-content-start align-items-center"><a id="category-Manufacturing" style="font-size: var(--font-size-md); text-decoration: underline; text-transform: capitalize; font-weight: bold; cursor: pointer; margin-right: 0.5rem;" href="https://www.wevolver.com/category/manufacturing"
together. Create smart machines. Serve society.
University of Michigans Robotics Institute aims to create a
collaborative community of roboticists, where through mutual respect,
integrity in action, and transparency in thought, we accelerate socially
beneficial advances in robotics.
This com<span>... </span></p><div class="sc-3c51e16b-2 bdTnRq"><div class="sc-73b09e21-0 sc-3c51e16b-4 gxZaRb dmgvtN column align-items-start justify-content-start"><p class="sc-3a4036d-1 sc-3c51e16b-5 gkbAvh gaEauc">Headquarters</p><p class="sc-3a4036d-1 fSwoqQ">Ann Arbor, MI, USA</p></div></div><div class="sc-3c51e16b-3 kfdbgD"><button id="article-sponsor-section-profile-view-button" type="submit" class="sc-a74ef0f8-0 dSccLf" style="padding: 1rem 0.5rem;"> <p>View Profile</p> </button></div></div></div></aside><aside class="sc-e2a73a96-0 jAgBDB"><div class="sc-73b09e21-0 gxZaRb column justify-content-end align-items-end" style="width: 30%;"><div style="margin-top: 0px;" class="sc-4c14cebd-0 bNxLYq"><div alt="Podcast: Abstract Machine Learning, 3D Printing Airplanes, Learning Flight From Flies" style="min-height: 100%; margin: 1rem 0px 0px 1rem;" width="400" height="200" class="sc-836471a7-0 lojZXJ undefined"><img alt="Podcast: Abstract Machine Learning, 3D Printing Airplanes, Learning Flight From Flies" fetchpriority="high" width="400" height="200" decoding="async" data-nimg="1" style="color: transparent; max-width: 100%; width: 100%; height: auto; object-fit: cover; object-position: center center;" src="wevolver.com.3dprinting_files/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI_004.webp"></div></div><p style="color: var(--light-gray); font-size: 12px; margin-left: 1rem; text-align: end; margin-right: -1rem;" class="sc-3a4036d-1 gkbAvh"></p></div><article class="sc-23340362-0 dxnzJq xl" style="padding: 0px;"><div class="sc-e2a73a96-1 hrPYOC"><a href="https://www.wevolver.com/type/podcast"><span class="sc-7cc7ca89-0 bqoqmO"><p style="margin-bottom: 0px;" class="sc-3a4036d-1 jRqCNG">Podcast</p></span></a><h2 style="margin-top: 0px;" class="sc-3a4036d-0 sc-e2a73a96-2 eSxIxs wSqwf">Podcast: Abstract Machine Learning, 3D Printing Airplanes, Learning Flight From Flies</h2><h4 style="margin-bottom: 2rem;" class="sc-3a4036d-0 dQffbH">The
next step in machine learning, how 3D printing will change the airline
industry, and why flies hold the secret to robotic flight.</h4><div id="tag-top" font-size="18px" class="sc-73ca3318-0 gTiEk"><div class="sc-73b09e21-0 gxZaRb"><a href="https://www.wevolver.com/tag/3d-printing"><span style="text-decoration: underline;">3D Printing</span></a></div><div class="sc-73b09e21-0 gxZaRb"><a href="https://www.wevolver.com/tag/biomimetics"><span> - </span><span style="text-decoration: underline;">biomimetics</span></a></div><div class="sc-73b09e21-0 gxZaRb"><a href="https://www.wevolver.com/tag/machine-learning"><span> - </span><span style="text-decoration: underline;">machine learning</span></a></div></div><div id="author" class="sc-666e5e9a-0 hEcFCP"><div class="sc-bcb1bf9f-0 cYccId"><div alt="author avatar" width="38" height="38" class="sc-836471a7-0 hImtvn undefined"><img alt="author avatar" loading="lazy" width="38" height="38" decoding="async" data-nimg="1" style="color: transparent; max-width: 100%; width: 100%; height: auto; object-fit: cover; object-position: center center;" src="wevolver.com.3dprinting_files/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI_006.webp"></div></div><div class="sc-2dd25898-0 GjUVF"><div class="sc-7c75bb48-0 fHYrGy"><div aria-expanded="false"><a id="profile-farbod.moghaddam" style="font-weight: 600; font-size: 15px;" href="https://www.wevolver.com/profile/farbod.moghaddam">Farbod Moghaddam</a></div><span class="inline" style="font-weight: 600; font-size: 15px;">from</span><a class="underline" id="profile-the.next.byte" style="font-weight: 600; font-size: 15px; text-decoration: none;" href="https://www.wevolver.com/profile/the.next.byte" aria-expanded="false">The Next Byte</a></div><p class="date">19 Jan, 2021. 3 min read</p></div><button id="follow_button" class="sc-f59b52cd-0 fmqhXe" type="submit"><svg viewBox="0 0 24 24" xmlns="https://www.w3.org/2000/svg" width="24" height="24" style="transform: rotate(45deg); position: relative; top: 4px; left: -3px;"><path d="M10.5 16c-0.827 0-1.5-0.673-1.5-1.5s0.673-1.5 1.5-1.5c0.827 0 1.5 0.673 1.5 1.5s-0.673 1.5-1.5 1.5zM10.5 14c-0.276 0-0.5 0.224-0.5 0.5s0.224 0.5 0.5 0.5 0.5-0.224 0.5-0.5-0.224-0.5-0.5-0.5z" fill="#424242"></path><path d="M7.053 12.968c-0.086 0-0.174-0.022-0.254-0.070-0.238-0.14-0.317-0.447-0.176-0.685 0.391-0.662 0.949-1.216 1.612-1.603 0.685-0.399 1.468-0.61 2.264-0.61s1.58 0.211 2.264 0.61c0.664 0.387 1.221 0.942 1.612 1.603 0.141 0.238 0.062 0.544-0.176 0.685s-0.544 0.062-0.685-0.176c-0.628-1.062-1.783-1.722-3.016-1.722s-2.388 0.66-3.016 1.722c-0.093 0.158-0.26 0.246-0.431 0.246z" fill="#424242"></path><path d="M16.107 10.808c-0.152 0-0.302-0.069-0.401-0.2-1.241-1.657-3.139-2.608-5.206-2.608s-3.965 0.95-5.206 2.608c-0.166 0.221-0.479 0.266-0.7 0.1s-0.266-0.479-0.1-0.7c0.684-0.913 1.581-1.67 2.594-2.189 1.063-0.544 2.211-0.82 3.412-0.82s2.35 0.276 3.412 0.82c1.013 0.518 1.91 1.275 2.594 2.189 0.166 0.221 0.121 0.534-0.1 0.7-0.090 0.067-0.195 0.1-0.299 0.1z" fill="#424242"></path><path d="M18.243 8.671c-0.145 0-0.288-0.063-0.387-0.183-1.814-2.217-4.495-3.488-7.356-3.488s-5.542 1.271-7.356 3.488c-0.175 0.214-0.49 0.245-0.704 0.070s-0.245-0.49-0.070-0.704c2.005-2.45 4.968-3.855 8.13-3.855s6.125 1.405 8.13 3.855c0.175 0.214 0.143 0.529-0.070 0.704-0.093 0.076-0.205 0.113-0.316 0.113z" fill="#424242"></path></svg> <p>Follow</p> </button></div><div class="sc-73b09e21-0 gxZaRb justify-content-between"><div id="article_body" class="sc-b9e74235-0 cwUjVv"><div class="sc-e2a73a96-3 NWYyh"><div class="sc-c1f51a8c-0 lbRRSq"><p>The
next step in machine learning, how 3D printing will change the airline
industry, and why flies hold the secret to robotic flight. As always,
you can find these articles and other interesting engineering content on
Wevolver.com.&nbsp;</p><p><span></span></p><h2>Episode Notes</h2><div><p><strong>(0:40) The next stop in machine learning: making sense of abstract concepts -&nbsp;</strong></p><p>Researchers from MIT, IBM, and Columbia created a machine learning model that exhibits abstract reasoning.&nbsp;</p><p><strong>(6:00) How additive manufacturing can shift manufacturing methodologies in the airline industry -&nbsp;</strong></p><p>EOS and other 3D printing companies are changing the airline industrys manufacturing methods, starting with interiors.</p><p><strong>(12:15) Can flies hold the secret to enable enhanced robotic flight? -&nbsp;</strong></p><p>Penn State researchers crack the code to improve robotic flight by studying the behavior of fruit flies.&nbsp;</p><p>&nbsp;--</p><p><strong>About the podcast:</strong></p><p>Every
day, some of the most innovative universities, companies, and
individual technology developers share their knowledge on Wevolver. To
ensure we can also provide this knowledge for the growing group of
podcast listeners, we started a collaboration with two young engineers,
Daniel Scott Mitchell &amp; Farbod Moghaddam who discuss the most
interesting content in this podcast series.&nbsp;</p><p>To learn more about this show, please visit the&nbsp;<a>shows page</a>. By following the page, you will get automatic updates by email when a new show is published.</p><p>Be sure to give us a follow and review on&nbsp;<a>Apple</a> podcasts,&nbsp;<a>Spotify</a>, and most of your favorite podcast platforms!</p></div></div><div class="sc-e2a73a96-4 eUcNap"><button id="continue_reading" type="submit" class="sc-a74ef0f8-0 dSccLf" style="margin: -3.2rem auto 0px; background-color: white;"> <p>read the complete article</p> <svg id="arrow-right" viewBox="0 0 24 24" xmlns="https://www.w3.org/2000/svg" width="16px" height="16px"><path d="M19.354 10.146l-6-6c-0.195-0.195-0.512-0.195-0.707 0s-0.195 0.512 0 0.707l5.146 5.146h-16.293c-0.276 0-0.5 0.224-0.5 0.5s0.224 0.5 0.5 0.5h16.293l-5.146 5.146c-0.195 0.195-0.195 0.512 0 0.707 0.098 0.098 0.226 0.146 0.354 0.146s0.256-0.049 0.354-0.146l6-6c0.195-0.195 0.195-0.512 0-0.707z" fill="var(--font-color)"></path></svg></button></div></div></div></div></div></article></aside><aside class="sc-a2381123-0 cFnIHq xl" style="padding: 0px;"><div class="sc-73b09e21-0 gxZaRb row align-items-center wrap" style="margin: 0px 0px 2rem;"><h2 style="white-space: nowrap; margin-bottom: 1rem;" class="sc-3a4036d-0 fVtYWs">Latest on<a id="category-manufacturing" style="text-decoration: none; margin: 0px 0.75rem 0px 0.5rem;" href="https://www.wevolver.com/category/manufacturing">Manufacturing</a></h2><button id="follow_button" class="sc-f59b52cd-0 fmqhXe" type="submit"><svg viewBox="0 0 24 24" xmlns="https://www.w3.org/2000/svg" width="24" height="24" style="transform: rotate(45deg); position: relative; top: 4px; left: -3px;"><path d="M10.5 16c-0.827 0-1.5-0.673-1.5-1.5s0.673-1.5 1.5-1.5c0.827 0 1.5 0.673 1.5 1.5s-0.673 1.5-1.5 1.5zM10.5 14c-0.276 0-0.5 0.224-0.5 0.5s0.224 0.5 0.5 0.5 0.5-0.224 0.5-0.5-0.224-0.5-0.5-0.5z" fill="#424242"></path><path d="M7.053 12.968c-0.086 0-0.174-0.022-0.254-0.070-0.238-0.14-0.317-0.447-0.176-0.685 0.391-0.662 0.949-1.216 1.612-1.603 0.685-0.399 1.468-0.61 2.264-0.61s1.58 0.211 2.264 0.61c0.664 0.387 1.221 0.942 1.612 1.603 0.141 0.238 0.062 0.544-0.176 0.685s-0.544 0.062-0.685-0.176c-0.628-1.062-1.783-1.722-3.016-1.722s-2.388 0.66-3.016 1.722c-0.093 0.158-0.26 0.246-0.431 0.246z" fill="#424242"></path><path d="M16.107 10.808c-0.152 0-0.302-0.069-0.401-0.2-1.241-1.657-3.139-2.608-5.206-2.608s-3.965 0.95-5.206 2.608c-0.166 0.221-0.479 0.266-0.7 0.1s-0.266-0.479-0.1-0.7c0.684-0.913 1.581-1.67 2.594-2.189 1.063-0.544 2.211-0.82 3.412-0.82s2.35 0.276 3.412 0.82c1.013 0.518 1.91 1.275 2.594 2.189 0.166 0.221 0.121 0.534-0.1 0.7-0.090 0.067-0.195 0.1-0.299 0.1z" fill="#424242"></path><path d="M18.243 8.671c-0.145 0-0.288-0.063-0.387-0.183-1.814-2.217-4.495-3.488-7.356-3.488s-5.542 1.271-7.356 3.488c-0.175 0.214-0.49 0.245-0.704 0.070s-0.245-0.49-0.070-0.704c2.005-2.45 4.968-3.855 8.13-3.855s6.125 1.405 8.13 3.855c0.175 0.214 0.143 0.529-0.070 0.704-0.093 0.076-0.205 0.113-0.316 0.113z" fill="#424242"></path></svg> <p>Follow</p> </button></div><div class="sc-725350c5-0 knLtfV"><div class="sc-10223db0-0 gkKZvu"><article class="sc-8b297f97-0 gfJubO"><div class="sc-622c701c-0 DQnON"><div class="sc-9c14cfd-0 sSzpa"><div class="sc-de562ee-0 kpkRbw"><a href="https://www.wevolver.com/article/leveraging.3d.scanning.3d.printing.and.artificial.intelligence.in.product.development"><div style="position: relative;"><div alt="Leveraging 3D scanning, 3D printing and artificial intelligence in product development" width="400" height="250" class="sc-836471a7-0 gSIgew image hidden-tablet false"><img alt="Leveraging 3D scanning, 3D printing and artificial intelligence in product development" loading="eager" width="400" height="250" decoding="async" data-nimg="1" style="color: transparent; max-width: 100%; width: 100%; height: auto; object-fit: cover; object-position: center center;" src="wevolver.com.3dprinting_files/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI_008.webp"></div></div></a><a id="similar-articles-5ea78943b42cba7671f8f3a
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