<?xml version="1.0" encoding="utf-8"?><!DOCTYPE article  PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'  'http://www.docbook.org/xml/4.4/docbookx.dtd'><article><articleinfo><title>LabElectronica/SensRobotIMU</title><revhistory><revision><revnumber>24</revnumber><date>2010-11-29 21:08:18</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>23</revnumber><date>2010-10-12 19:13:52</date><authorinitials>localhost</authorinitials></revision><revision><revnumber>22</revnumber><date>2010-10-12 19:11:39</date><authorinitials>localhost</authorinitials></revision><revision><revnumber>21</revnumber><date>2010-09-30 18:43:37</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>20</revnumber><date>2010-09-30 18:43:08</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>19</revnumber><date>2010-09-30 18:26:56</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>18</revnumber><date>2010-06-09 16:57:03</date><authorinitials>localhost</authorinitials></revision><revision><revnumber>17</revnumber><date>2010-06-09 14:57:56</date><authorinitials>localhost</authorinitials></revision><revision><revnumber>16</revnumber><date>2010-06-09 13:36:17</date><authorinitials>TiN</authorinitials></revision><revision><revnumber>15</revnumber><date>2010-06-08 11:03:18</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>14</revnumber><date>2010-06-07 16:08:55</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>13</revnumber><date>2010-06-07 16:08:07</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>12</revnumber><date>2010-06-07 16:07:02</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>11</revnumber><date>2010-06-07 16:06:24</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>10</revnumber><date>2010-06-07 16:05:58</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>9</revnumber><date>2010-06-07 16:04:04</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>8</revnumber><date>2010-06-05 16:07:42</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>7</revnumber><date>2010-06-05 16:05:13</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>6</revnumber><date>2010-06-05 16:03:05</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>5</revnumber><date>2010-06-05 16:01:10</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>4</revnumber><date>2010-06-05 15:59:53</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>3</revnumber><date>2010-06-05 15:58:50</date><authorinitials>GonzaloPerezPaina</authorinitials></revision><revision><revnumber>2</revnumber><date>2010-06-05 15:57:18</date><authorinitials>GonzaloPerezPaina</authorinitials></revision></revhistory></articleinfo><section><title>Unidad de mediciones inerciales - IMU</title><para>Las unidades de mediciones inerciales (<ulink url="http://en.wikipedia.org/wiki/Inertial_measurement_unit">IMU</ulink>) se utilizan en sistemas de navegación inerciales (INS) [1] en diferentes áreas de aplicación, incluyendo automotriz, aviación, submarinos, robótica, etc. Estas unidades inerciales constan generalmente de sensores para la medición de aceleraciones lineales (acelerómetros) y mediciones angulares (giróscopos). </para><para>Algunas de las unidades inerciales a estudiar son: </para><itemizedlist><listitem><para>Xsens <ulink url="http://www.xsens.com/en/general/mti">MTi</ulink>, <ulink url="http://www.xsens.com/en/general/mti">Mtx</ulink> o <ulink url="http://www.xsens.com/en/general/mti-oem">MTi-OEM</ulink> (EUR 1750) </para></listitem><listitem><para>Microstrain <ulink url="http://www.microstrain.com/3dm-gx1.aspx">3DM-GX1</ulink> (USD 1000) </para></listitem><listitem><para>Falcon <ulink url="http://www.o-navi.com/falcongx.htm">GX</ulink> </para></listitem><listitem><para><ulink url="http://www.whirlybird.in/imu.html">whirlybird</ulink> </para></listitem></itemizedlist><para>u otras de <ulink url="http://www.sparkfun.com/commerce/categories.php?c=160">bajo costo</ulink>. </para><para>Debido a que en la navegación inercial se requiere de buena precisión en la medición angular, y como los giróscopos de gran resolución son de elevado costo, se han realizado diferentes estudios y desarrollos a modo de obtener unidades inerciales utilizando diferentes configuraciones de acelerómetro como en [2] y [3]. </para></section><section><title>Componentes de las unidades inerciales, comparativa</title><itemizedlist><listitem><para><emphasis role="strong">Acelerómetros</emphasis> <ulink url="https://ciii.frc.utn.edu.ar/wiki/LabElectronica/SensRobotIMU/wiki/LabElectronica/SensRobotAcel#">»»</ulink> </para></listitem><listitem><para><emphasis role="strong">Giróscopos</emphasis> <ulink url="https://ciii.frc.utn.edu.ar/wiki/LabElectronica/SensRobotIMU/wiki/LabElectronica/SensRobotGiro#">»»</ulink> </para></listitem></itemizedlist></section><section><title>Referencias</title><itemizedlist><listitem><para>[1].- <emphasis>&quot;Design and Error Analysis of Accelerometer-Based Inertial Navigation Systems&quot;</emphasis>, Chin-Woo Tan, Sungsu Park. 2002 (<ulink url="http://www.path.berkeley.edu/PATH/Publications/PDF/PRR/2002/PRR-2002-21.pdf">Descargar</ulink>) </para></listitem><listitem><para>[2].- <emphasis>&quot;Development of a planar low cost Inertial Measurement for UAVs and MAVs&quot;</emphasis>, Samuel Fux (<ulink url="http://www.mecatronica.eesc.usp.br/wiki/upload/f/f6/2008_ETHZ_Development_of_a_Planar_Low_Cost_Inertial_Measurement_Unit_for_UAVs_and_MAVs_%28Fux2008%29.pdf">Descargar</ulink>) </para></listitem><listitem><para>[3].- <emphasis>&quot;Calibration of a MEMS Inertial Measurement Unit&quot;</emphasis>, Isaac Skog, Peter Händel. 2006 (<ulink url="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.65.5896&amp;rep=rep1&amp;type=pdf">Descargar</ulink>) </para></listitem><listitem><para>[4].- &quot;Inertial Navigation for Wheeled Robots in Outdoor Terrain&quot;, Jan Koch, Carsten Hillenbrand and Karsten Berns. 2005 (<ulink url="http://www.google.com.ar/url?sa=t&amp;source=web&amp;cd=3&amp;ved=0CC4QFjAC&amp;url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.158.6856%26rep%3Drep1%26type%3Dpdf&amp;rct=j&amp;q=Inertial%20navigation%20for%20wheeled%20robots%20in%20outdoor%20terrain&amp;ei=gtWkTP7KFoGC8gaLqamSCg&amp;usg=AFQjCNEspRL_cPNvIbG7g39_5zpFe4Dh_A&amp;cad=rja">Descargar</ulink>) </para></listitem><listitem><para>[5].- &quot;An Inertial Measurement Unit for User Interfaces&quot;, Ari Yosef Benbasat. 2000 (<ulink url="http://www.media.mit.edu/resenv/pubs/theses/ayb-thesis.pdf">Descargar</ulink>) </para></listitem><listitem><para>[6].- &quot;Sensors Buying Guide: Accelerometers, Gyros, and IMUs&quot; (<ulink url="http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=167&amp;sipp=1&amp;page=1">Link</ulink>) </para></listitem><listitem><para>[7].- &quot;The aiding of a low-cost strapdown inertial measurement unit using vehicle model constraints for land vehicle applications&quot;. Dissanayake, G.; Sukkarieh, S.; Nebot, E.; Durrant-Whyte, H. <ulink url="http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=964672&amp;tag=1">Descargar</ulink> </para></listitem></itemizedlist></section></article>