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teachbot.html
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<title>TeachBot - Nicholas S Selby</title><meta property="og:site_name" content="Nicholas S Selby">
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<meta property="og:description" content="Robotics and Control">
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<h2 class="wsite-content-title">Motivation<br></h2>
<div class="paragraph" style="text-align:justify;">I am currently
working in the d'Arbeloff Lab at MIT under the direction of Professor
Haruhiko Harry Asada to develop a robotic apprentice education and
training system called TeachBot. At present, we have developed a working
prototype system and are currently deploying to our industry partners.<br><br>By
2025, Deloitte and The Manufacturing Institute estimates nearly 3.5
million manufacturing jobs will be needed in the US, but only 1.5
million are expected to be filled. The remaining 2 million jobs will
likely not be realized due to a lack of skilled workers trained to work
with robots. Despite this dearth in skilled labor, the International
Federation of Robotics found that growth in automated manufacturing
industries is accelerating. Other countries, particularly those in
Europe, fill the gap between labor supply and demand with robust
apprenticeship programs that the US notoriously lacks, and this leads
domestic manufacturers to outsource system integration to consulting
firms. This is both costly and short-term: if the manufacturer needs to
tweak or repair the already-integrated automated system, all of the
knowledge necessary to do so is external to the organization, so the
manufacturer must pay the consultants again to return and modify the
system. This absurd process leads us to ask, "Why can't manufacturing
workers themselves be trained to perform system integration tasks?"<br><br>Because
I have never worked on a manufacturing line myself, I found customer
interviews with the small and medium manufacturing firms we are
targeting, extremely helpful. I discovered that an important, intuitive
understanding is missing that would enable workers to design and improve
manufacturing processes. A solution to this problem must:<ol><li><strong>Teach workers necessary skills</strong> like feedback control,</li><li><strong>Enable workers to perform real tasks</strong> like pick-and-place operations,</li><li><strong>Make learners feel engaged</strong>, and</li><li><strong>Be priced appropriately</strong> for the (generally smaller) manufacturers who need skilled workers.<br></li></ol></div>
<h2 class="wsite-content-title">Solution<br></h2>
<div class="paragraph">After doing a careful analysis of existing
products and diving deep into the relevant teaching science literature,
we designed a fully autonomous robotic instructor to teach workers on a
manufacturing line how to use robots effectively. Our system consists of
a collaborative robot system (e.g. RethinkRobotics Sawyer, Universal
Robot, ABB Yumi, etc.), a computer with an internet connection, a
projector to display educational graphics, and peripheral devices like
conveyor belts and CNC equipment to simulate a real manufacturing
environment.<br></div>
<div><div class="wsite-image wsite-image-border-none " style="padding-top:10px;padding-bottom:10px;margin-left:0;margin-right:0;text-align:center">
<a>
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</a>
<div style="display:block;font-size:90%"></div>
</div></div>
<div class="paragraph">A previously-thought-of-as-critical piece of
hardware is missing from our bill of materials: a human instructor. The
robot serves as both teacher and demonstration machine, leveraging its
existence as a robotic system to teach robotics more effectively. Rather
than exclusively relying on diagrams and lectures to illustrate
concepts like playback control and waypoints, TeachBot guides learners
to interact with a physical embodiment of the concepts about which they
are learning. As we demonstrate, TeachBot's "learning by touching"
curriculum is superior to more traditional teaching methods.<br></div>
<h2 class="wsite-content-title">Evaluation<br></h2>
<div class="paragraph">To evaluate our solution, we leveraged our
relationships with our industry sponsors to collect human subjects for
randomized control trials. Subjects were divided randomly into two
groups: (1) a control group that watched a traditional video lecture and
(2) an experimental group that took the TeachBot learning module. Both
groups were given a pre- and post-test to evaluate how much they learned
and how each learning method affected their self-efficacy regarding
robotics.<br></div>
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</div></div>
<div class="paragraph">Our results demonstrate that <strong>people learn significantly more from TeachBot</strong>
than they do from traditional video lectures. Furthermore, TeachBot
helps learners feel more confident working alongside a robot.<br></div>
<h2 class="wsite-content-title">Moving Forward<br></h2>
<div class="paragraph">The results I've seen are extremely promising. My
favorite anecdote from administering human subject tests is watching
learners who have never interacted with a robot before evolve from fear
and skepticism, observing the TeachBot from several yards away, into
excitedly curious and confident explorers, playing with TeachBot's arm
and exclaiming "Oh!" as they discover for themselves how a robot could
help them do their jobs.<br><br>At present, we are deploying a prototype
of the TeachBot system to our industry sponsors, primarily small and
medium-sized manufacturers in the state of Massachusetts, and further
developing the curriculum to meet the needs of diverse manufacturing
sectors.<br></div>
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var $commentFrame = jQuery('#commentArea iframe');
if ($commentFrame.length > 0) {
var frameHeight = jQuery($commentFrame[0].contentWindow.document).height() + 50;
$commentFrame.css('min-height', frameHeight + 'px');
}
if (jQuery('.product-button').length > 0){
jQuery(document).ready(function(){
jQuery('.product-button').parent().each(function(index, product){
if(jQuery(product).attr('target') == 'paypal'){
if (!jQuery(product).find('> [name="bn"]').length){
jQuery('<input>').attr({
type: 'hidden',
name: 'bn',
value: 'DragAndDropBuil_SP_EC'
}).appendTo(product);
}
}
});
});
}
}
else {
// Prototype
$$('div.blog-social div.fb-like').each(function(div) {
div.className = 'blog-social-item blog-fb-like';
});
$$('#commentArea iframe').each(function(iframe) {
iframe.style.minHeight = '410px';
});
}
}
catch(ex) {}
})(window._W && _W.jQuery);
window._W.isEUUser = false;
window._W.showCookieToAll = "";
</script>
</body></html>