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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!--
Name: Boilerplate
Version: v1.3
Last Updated: 4/24/2013
Author: George Hadley
License: Released for free under a Creative Commons Attribution 2.5 License
This website was based upon a number of source materials, which are elaborated upon in credits.txt
-->
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!--Reconfigurable base tag; used to modify the site root location for root-relative links-->
<!-- Python SimpleHTTPServer Testing -->
<!--<base href="/http://localhost:8000/" />-->
<!-- ECE477 preview URL -->
<!--<base href="/https://engineering.purdue.edu/ece477/preview/" />-->
<!-- ECE477 final URL -->
<base href="https://reverseexoskeleton.github.io/Website/" />
<!--Content-->
<title>ECE477 Homepage</title>
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="George Hadley">
<meta name = "format-detection" content = "telephone=no" />
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<!--CSS-->
<link rel="stylesheet" href="css/default.css" type="text/css" media="all" />
<link rel="stylesheet" href="css/responsive.css">
<link rel="stylesheet" href="css/styles.css">
<link rel="stylesheet" href="css/content.css">
<!--[if IE 6]>
<link href="/default_ie6.css" rel="stylesheet" type="text/css" />
<![endif]-->
</head>
<body>
<div id="wrapper_site">
<div id="wrapper_page">
<!-- Instantiate global site header.-->
<div id="header"></div>
<!-- Instantiate site global navigation bar.-->
<div id="menu"></div>
<!-- Instantiate slideshow module. All slideshow images should be 1100px x 500px and stored in ./img/slideshow-->
<div id="slideshow"></div>
<!-- Instantiate main page content. All page content should be added to about.html -->
<div id="content">
<h2>Project Overview:</h2>
<div>
Immersive virtual reality (VR) is the focus of a current engineering grand challenge: Enhance Virtual Reality. Beyond recreation, VR simulations are becoming increasingly important for occupational
training, especially in remote or high-risk occupations. VR simulations usually allow the user to interact with virtual objects via camera-based appendage tracking, which is generally imprecise and
has positional jitter. Hence, there is a need to more accurately track a user’s appendages for a more realistic simulation of the user’s motions in a virtual environment. Haptic feedback in virtual
reality has countless applications in the future from training for many hands-on occupations to gaming with realistic environmental feedback; however, more current VR simulations do not provide
enough haptic feedback and preexisting VR simulators with haptic feedback are overly expensive and too bulky to allow fluid movement. These limitations have stunted the growth of the VR training
and recreational communities substantially.
</div>
<div>
RevEx is a non-optical virtual reality (VR) input device with haptic feedback that creates a more immersive VR experience. This system will contain a low-power wearable device that collects sensor
data and applies haptic feedback as well as a host computer running a dynamic VR simulation. The wearable also utilizes regenerative braking in conjunction with the haptic feedback to increase the
battery life.
</div>
<h2>Project Specific Success Criteria:</h2>
<ol>
<li>PSSC #1: Ability to read accelerometer and gyroscope data from an inertial measurement unit (IMU).</li>
<li>PSSC #2: Ability to read voltage from an analog potentiometer to infer elbow joint angle using an Analog-Digital Converter (ADC).</li>
<li>PSSC #3: Ability to transceive raw sensor data and haptic feedback intensity value bi-directionally between the wearable device and host computer via Bluetooth Low Energy (BLE).</li>
<li>PSSC #4: Ability to provide passive haptic feedback on an elbow joint by variably shorting motor coils.</li>
<li>PSSC #5: Ability to wake the microcontroller on the wearable device from low-power mode upon detection of a sensor signal transient.</li>
</ol>
</div>
<!-- Instantiate global footer. Any changes to the footer should be made through the top-level file "footer.html" -->
<div id="footer"></div>
</div>
</div>
<!--JS-->
<script src="js/jquery.js"></script>
<script src="js/jquery-migrate-1.1.1.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#header").load("header.html");
$("#menu").load("navbar.html");
$("#slideshow").load("slideshow.html");
//$("#content").load("about.html");
$("#footer").load("footer.html");
});
</script>
</body>
</html>