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Laurent Eschenauer 515924c1c3 Added donate button
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<title>AR.Drone Autonomy</title>
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<h1>AR.Drone Autonomy</h1>
<h2>Autonomously flying an ARDrone in Javascript!</h2>
<a href="https://github.com/eschnou/ardrone-autonomy"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub"></a>
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<p>An autonomous flight library for the <a href="http://ardrone2.parrot.com/">AR.Drone 2.0</a>, built on top of
the <a href="https://github.com/felixge/node-ar-drone">node-ar-drone</a> library. </p>
<p>Instead of directly controlling the drone speed, you can use Autonomy
to plan and execute missions by describing the path, altitude and
orientation the drone must follow.</p>
<p><strong>Autonomous means that this library will move your drone automaticaly to reach a given target. Experiment with this library in a closed/controlled environment before going in the wild !!</strong></p>
<div class="screenshot">
<iframe width="560" height="315" src="//www.youtube.com/embed/wPXsG_fjncM" frameborder="0" allowfullscreen></iframe>
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<h2>Features</h2>
<ul>
<li><p><strong>Extended Kalman Filter</strong> leveraging the onboard tag detection as the observation source
for an Extended Kalman Filter. This provides much more stable and usable state estimate.</p></li>
<li><p><strong>Camera projection and back-projection</strong> to estimate the position of an object detected by the camera.
Currently used to estimate a tag position in the drone coordinate system based on its detection
by the bottom camera.</p></li>
<li><p><strong>PID Controler</strong> to autonomously control the drone position.</p></li>
<li><p><strong>Mission planner</strong> to prepare a flight/task plan and then execute it.</p></li>
</ul><h3>
<a name="planned-features" class="anchor" href="#planned-features"><span class="octicon octicon-link"></span></a>Planned features</h3>
<ul>
<li><p><strong>VSLAM</strong> to improve the drone localization estimates.</p></li>
<li><p><strong>Object tracking</strong> to detect and track objects in the video stream.</p></li>
</ul>
<h2>Documentation</h2>
<ul>
<li>API Documented in the <a href="https://github.com/eschnou/ardrone-autonomy">README</a></li>
<li><a href="http://www.slideshare.net/eschnou/20130807-advanced-programming-with-nodecopter">Advanced Programming with Nodecopter</a> on Slideshare</li>
<li><a href="https://eschnou.com/entry/advanced-programming-with-nodecopter-62-25019.html">Blog post</a> with additional example videos</li>
</ul>
<h2>Example</h2>
<p>This module exposes a high level API to plan and execute missions, by focusing on where
the drone should go instead of its low-level movements. Here is a simple example,
with the drone taking off, travelling alongs a 2 x 2 meters square ane then landing.</p>
<div class="highlight highlight-js"><pre><span class="kd">var</span> <span class="nx">autonomy</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'ardrone-autonomy'</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">mission</span> <span class="o">=</span> <span class="nx">autonomy</span><span class="p">.</span><span class="nx">createMission</span><span class="p">();</span>
<span class="nx">mission</span><span class="p">.</span><span class="nx">takeoff</span><span class="p">()</span>
<span class="p">.</span><span class="nx">zero</span><span class="p">()</span> <span class="c1">// Sets the current state as the reference</span>
<span class="p">.</span><span class="nx">altitude</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="c1">// Climb to altitude = 1 meter</span>
<span class="p">.</span><span class="nx">forward</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="p">.</span><span class="nx">right</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="p">.</span><span class="nx">backward</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="p">.</span><span class="nx">left</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="p">.</span><span class="nx">hover</span><span class="p">(</span><span class="mi">1000</span><span class="p">)</span> <span class="c1">// Hover in place for 1 second</span>
<span class="p">.</span><span class="nx">land</span><span class="p">();</span>
<span class="nx">mission</span><span class="p">.</span><span class="nx">run</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">result</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">err</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">trace</span><span class="p">(</span><span class="s2">"Oops, something bad happened: %s"</span><span class="p">,</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span><span class="p">);</span>
<span class="nx">mission</span><span class="p">.</span><span class="nx">client</span><span class="p">().</span><span class="nx">stop</span><span class="p">();</span>
<span class="nx">mission</span><span class="p">.</span><span class="nx">client</span><span class="p">().</span><span class="nx">land</span><span class="p">();</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span><span class="p">(</span><span class="s2">"Mission success!"</span><span class="p">);</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span><span class="p">(</span><span class="mi">0</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">});</span>
</pre></div>
<h2>Applications</h2>
Here is a list of know apps built using autonomy. Please let me know if you build something and I'll be happy to add you in the list.
<ul>
<li><p><strong><a href="https://github.com/eschnou/ardrone-panorama/">panorama</a></strong> autonomously fly to a given altitude and take pictures to form a 360 photo panorama.</li>
</ul>
<h2>Support</h2>
<p>If you encounter issues, please add them to the <a href="https://github.com/eschnou/ardrone-autonomy/issues">issue tracker</a>. You can find
me on twitter (<a href="http://twitter.com/eschnou">@eschnou</a>) or on the #nodecopter IRC channel
on #freenode.
<h2>Thanks</h2>
<p>This work is based on the <a href="http://vision.in.tum.de/teaching/ss2013/visnav2013">Visual Navigation for Flying Robots</a> course. My eternal gratitude for their team to post lectures and slides on the web. I learned a lot from them.</p>
<p>Also a big thank you to <a href="https://github.com/felixge">@felixge</a> who came up with this crazy idea of flying a drone with Javascript and building the fantastic <a href="https://github.com/felixge/node-ar-drone">node-ar-drone</a> library.
<h2>Donate</h2>
<p>If you like this project, please consider donating. The less time I need to work, the more I can spend on open source projects :-)</p>
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<h2>License</h2>
<p>The MIT License</p>
<p>Copyright (c) 2013 by Laurent Eschenauer <a href="mailto:laurent@eschenauer.be">laurent@eschenauer.be</a></p>
<p>Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.</p>
<p>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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