重庆凯瑞机器人技术有限公司研发出国内首套汽车正投影面积自动测量系统
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">汽车风阻系数</span><em><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">C</span></em><em><sub><span style="font-family: 宋体; line-height: 24px; font-size: 12pt; vertical-align: sub;"><span style="font-family: 宋体;">D</span></span></sub></em><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">是评价汽车气动性能的关键指标之一,而汽车正投影面积又是计算风阻系数的一个关键参数,因此汽车正投影面积测量的准确度显得尤为重要。常用的汽车正投影面积测量方法有照相法、二维扫描法和三维扫描法。照相法对测试设备要求低、效率高,但往往存在光学畸变,且容易引入人为操作误差,因此测量精度难于控制;二维和三维扫描法是通过激光扫描仪快速获取汽车表面造型数据从而计算获得正投影面积的方法,往往对扫描设备精度依赖较高,且大多为手动扫描设备,操作效率较低。</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">近日,为满足行业汽车正投影面积高精度和高效率的测试需求,</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">重庆凯瑞机器人技术有限公司自主为</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">中国汽车工程研究院股份有限公司(简称中国汽研)设计研制了一套二维全自动正投影面积扫描设备,可以快速、精确、安全地测量出汽车正投影面积。</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">一、</span> <span style="font-family: 宋体;">设备及</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">优势</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">介绍</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">该套测量系统主要由激光发射装置、激光接收装置、龙门架、</span><span style="font-family: 宋体;">PC工作站、控制系统、算法系统、安全系统、控制柜、操作台和现场其它辅助设备设施构成,如图1所示。整套装置占地面积</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">48</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">平方米,水平测量宽度</span><span style="font-family: 宋体;">2.5m,高度3m,测量房间间尺寸为:11m(L)×7m(W)×5m(H)。</span></span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 等线; font-size: 11pt;"><img src="http://www.crri.com.cn/uploads/1719817482_1e064e4a0615b082b3c3.png" alt="" width="362" height="272" /> </span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 等线; font-size: 11pt;"> </span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 等线; font-size: 11pt;"> </span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">图</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">1</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">某轻卡测量现场</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">该套系统与现有其他正投影面积测量系统相比较具有以下优点</span><span style="font-family: 宋体;">:</span></span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px; text-align: center;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><img src="http://www.crri.com.cn/uploads/1719817503_f47150f2fa5c16a4ed59.jpg" alt="" width="377" height="210" /></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"> </span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">二</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">、</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">测量过程简介</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">将</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">车辆在测量区域正确停放后,车头前端的</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">激光发射</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">装置和车尾后端的</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">激光</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">接收装置</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">在控制系统的操控下</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">同步上下移动,</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">并</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">在</span><span style="font-family: 宋体;">6~8分钟内完成对车辆的扫描,扫描结束后1分钟内自动</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">生成</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">测量报告</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">,</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">报告包含车辆姿态信息、正投影面积、正投影轮廓图等</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">。测量过程如图</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">2</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">所示。</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"> </span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"><img src="http://www.crri.com.cn/uploads/1719817534_be870e5846eccfea46d5.png" alt="" width="359" height="269" /> </span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">图</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">2</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"> <span style="font-family: 黑体;">汽车正投影面积测量系统测量视频</span></span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">三</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">、案例分享</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; font-size: 12pt;">1)</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">平面标准模型</span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">标准模型为汽车形状平板,如图</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">3</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">所示,其面积为</span><span style="font-family: 宋体;">2.2655m²。</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">使</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">用本套测量系统</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">进行了</span><span style="font-family: 宋体;">10次测试</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">,正投影测量面积平均误差为</span><span style="font-family: 宋体;">0.0</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">5</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">%,重复性误差为0.0</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">6</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">%,测量数据见表1。</span></p>
<p class="16" style="text-indent: 22.1pt; text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"> <img src="http://www.crri.com.cn/uploads/1719817558_0fbc9631742e51610831.png" alt="" width="352" height="264" /></span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">图</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;">3</span><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"> <span style="font-family: 黑体;">标准件实物照片</span></span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"><span style="font-family: 黑体;">表</span><span style="font-family: 黑体;">1 标准件正投影测量面积测量数据</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><img style="display: block; margin-left: auto; margin-right: auto;" src="http://www.crri.com.cn/uploads/1719817574_833de157a73b4376bf02.jpg" alt="" width="385" height="232" /></span></p>
<p class="16" style="line-height: 1.5px;"> </p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; font-size: 12pt;">2)</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">现代</span><span style="font-family: 宋体;">IX35</span></span></p>
<p class="16" style="text-indent: 22.1pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">现代</span><span style="font-family: 宋体;">IX35的正投影面积</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">为</span><span style="font-family: 宋体;">2.611m²</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">(</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">手持式扫描仪测量</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">结果</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">)</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">,</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">使</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">用本套测量系统</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">进行了</span><span style="font-family: 宋体;">10次测试</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">,正投影测量面积平均误差为</span><span style="font-family: 宋体;">0.0</span></span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">5</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">%,重复性误差为0.0</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">4</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">%,测量数据见表2</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">。</span></p>
<p class="16" style="text-align: center; line-height: 1.5px;" align="center"><span style="font-family: 黑体; line-height: 18px; font-size: 9pt;"><span style="font-family: 黑体;">表</span><span style="font-family: 黑体;">2 现代IX35正投影测量面积测量数据</span></span></p>
<p class="16" style="text-indent: 24pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><img style="display: block; margin-left: auto; margin-right: auto;" src="http://www.crri.com.cn/uploads/1719817608_cb65e7f8e32530896da2.jpg" alt="" width="389" height="228" /><br /></span></p>
<p class="16" style="text-indent: 24pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">中国汽研新建成的汽车正投影面积测量系统,采用全新的激光测量技术,具有方便、快捷和准确的特点,能为客户提供更优质的服务,欢迎大家垂询并使用。</span></p>
<p class="16" style="text-indent: 24pt; line-height: 1.5px;"><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">联系人:冉茂国</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;">,</span><span style="font-family: 宋体; line-height: 24px; font-size: 12pt;"><span style="font-family: 宋体;">联系方式:</span>18725769938</span></p>
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