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School of Mechatronic Engineering and Automation,Shanghai University,Shanghai 200072 ,China; 2. Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai 200072, China; 3. State Key Laboratory of Mechanical System and Vibration,Shanghai 200240 ,China）<br /> 机构地区：[1]上海大学机电工程与自动化学院,上海200072 [2]上海市智能制造及机器人重点实验室,上海200072 [3]机械系统与振动国家重点实验室,上海200240<br /> 出 处：《光电子．激光》 EI CSCD 2015年第26卷第2期 295-302页,共8页<br /> Journal of Optoelectronics·laser<br /> 基 金：国家自然科学基金（51205244）、机械系统与振动国家重点实验室基金（MSV2015010）和上海市教育委员会科研创新（2014210280034）资助项目<br /> 摘 要：传统的同步扫描三角测量模型假设旋转镜厚度为零,从而建立了三维扫描点的轨迹圆模型。本文将旋转镜厚度也作为系统参数进行考虑,提出一种同步扫描三角法在展开光路中的几何参数模型,通过14个参数精确地描述各个功能部件的位置姿态和几何光学参数,并建立了三维空间点与系统参数的关系。仿真分析表明：1 mm厚的旋转镜会产生200mm的系统误差。对接受透镜位置参数的建模使得三维点具有动点旋转特性,与传统的轨迹圆模型相比,更精确地描述了旋转中心的轨迹变化。构建了原型系统,并通过实验验证了方法的正确性。<br /> Synchronized scanning triangulation inserts the scanning mirrors in the projected light path and the received light path, thus the changed angles for the projected light and the received light are the same when the scanning mirrors are rotated. This synchronized scanning mechanism expands the tt field and is adopted in the large distance measurement. In the model of traditional synchronized scanning triangulation measurement system, the thickness of rotated mirror is assumed to be zero and the trajecto- ry of the 3D scanning point is modeled as a circle. However,this simplified assumption deteriorates the precision of the system. In this paper, the thickness of the rotated mirror besidesf other geometry param- eters is considered. The 3D measured point is established with the 14 parameters,which describe the po- sition and pose of different parts. Through the simulation,we find that the system＇s error could achieve 200 mm,when the thickness of the rotating mirror is 1 mm. This error can not be omitted for measuring general objects. In addition,the modelrs 3D point for the same pixel position is a circle with the moving center instead of a constant position. This model describes the trajectory more precisely than traditional model. Finally,the prototype system is designed and the experimental results show that the method is feasible.<br /> 关键词：光学设计 同步扫描 建模 仿真分析<br /> optical design ; synchronized scanning ;modeling ; simulation and analysis ;</div> <div style="height200px;"></div> </div> </div> </div> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img src="static/image/common/site_qq.jpg" alt="QQ" /></a><span class="pipe">|</span><a href="http://m.oecr.com" >手机版</a><span class="pipe">|</span><a href="http://so.oecr.com" title="站内搜索" target="_blank" >搜索</a><span class="pipe">|</span><a href="http://www.focaloptics.com" title="主办单位：武汉焦点光学技术有限公司" target="_blank" >焦点光学</a><span class="pipe">|</span><a href="http://www.oecr.com" target="_blank">光电工程师社区</a> ( <a href="http://beian.miit.gov.cn/" target="_blank">鄂ICP备17021725号-1</a> <a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821" target="_blank">鄂网安备42011102000821号</a> ) <span id="tcss"></span><script type="text/javascript" src="http://tcss.qq.com/ping.js?v=1eOg" charset="utf-8"></script><script type="text/javascript" reload="1">pgvMain({"discuzParams":{"r2":"1028778","ui":0,"rt":"plugin","pn":1,"qq":"000"},"extraParams":""});</script></p> <p class="xs0"> <span id="debuginfo"> Copyright 2015 光电工程师社区 版权所有 All Rights Reserved. </span> </p> </div> <div id="ftl" > <p>申明：本站为非盈利性公益个人网站，已关闭注册功能，本站所有内容均为网络收集整理，不代表本站立场。如您对某些内容有质疑或不快，请及时联系我们处理！ </p> </div> <div id="frt" > <div class="wp"> <p class="dd01"> © 2001-2022 <a href="http://www.oecr.com" target="_blank">光电工程师社区</a> 网站备案号：<a href="https://beian.miit.gov.cn/">鄂ICP备17021725号</a> 网站公安备案号：<a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821">鄂42011102000821号</a> Powered by <a href="http://www.discuz.net" target="_blank">Discuz!</a> <em>X3.2</em> </p><p class="dd02">GMT+8, 2025-12-16 22:47 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <script src="home.php?mod=misc&ac=sendmail&rand=1765896430" type="text/javascript"></script> <!--<div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> --> <div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> <script type="text/javascript">_attachEvent(window, 'scroll', function () { showTopLink(); });checkBlind();</script> <div id="discuz_tips" style="display:none;"></div> <script type="text/javascript"> var tipsinfo = '1028778|X3.2|0.6||0||0|7|1765896430|6ea8a57c4b320312b94ca0a7decd05af|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>