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桁萱自動(dòng)化科技供應(yīng)</h1><div id="qofr3fv" class="proBig"><div id="y7td3op" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854394384766/1323780.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3erctu2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854394384766/1323780.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l9qm8u3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海編碼器測(cè)量角度,高精度角度編碼器</p><p><span>***更新：</span>2021-01-21 05:15:20</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ch3ubsp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">桁萱自動(dòng)化科技（上海）有限公司</a></p><p><span>聯(lián)系人：</span>儲(chǔ)焰青</p><p><span>郵箱: </span>272205845@qq.com</p><p><span>電話: </span>18017028721</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.sh-hengxuan.com</p><p><span>手機(jī): </span>021-57658113</p><p><span>地址: </span>嘉好路1333號(hào)501</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="x0negwh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="iiw3rfx" class="box"><p><p style="text-indent:25px">高精度軸角編碼器光電信號(hào)補(bǔ)償方法的研究：隨著科學(xué)技術(shù)的發(fā)展，特別是航天，航空技術(shù)中對(duì)目標(biāo)的快速，精確追蹤，瞄準(zhǔn)的需要，對(duì)光電軸角編碼器的性能指標(biāo)提出越來(lái)越高的要求，目前普遍采用電子學(xué)細(xì)分技術(shù)來(lái)提高光柵系統(tǒng)的精度，因此，上海編碼器測(cè)量角度，對(duì)于高精度軸角編碼器而言，細(xì)分誤差對(duì)整體精度影響很大. 本文介紹了編碼器光電信號(hào)的形成及特點(diǎn)，電子學(xué)細(xì)分的方法，分析光電信號(hào)的參數(shù)對(duì)細(xì)分誤差的影響，上海編碼器測(cè)量角度，通過(guò)實(shí)驗(yàn)數(shù)據(jù)說(shuō)明光電信號(hào)補(bǔ)償對(duì)保證編碼器測(cè)角精度的必要性.提出以自動(dòng)增益控制和鎖相倍頻采樣為重要技術(shù)的光電信號(hào)補(bǔ)償方法，上海編碼器測(cè)量角度，介紹了自動(dòng)增益控制的原理，以數(shù)學(xué)模型的方式，詳細(xì)闡述了鎖相環(huán)的工作原理.文中的創(chuàng)新之處在于:在原始光電信號(hào)增益控制方面用可變?cè)鲆娣糯笃鞔鎮(zhèn)鹘y(tǒng)的電位器，實(shí)現(xiàn)了光電信號(hào)的自動(dòng)補(bǔ)償，提高了系統(tǒng)的可靠性，可維護(hù)性;運(yùn)用鎖相倍頻技術(shù)對(duì)兩路光電信號(hào)整周期采樣保證了相關(guān)法測(cè)量相位差的精度;高精度角度編碼器怎么使用？上海編碼器測(cè)量角度</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海編碼器測(cè)量角度,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854394384766/1323780.png"></div><p style="text-indent:25px">不單單是螺旋槳開(kāi)始運(yùn)動(dòng)的時(shí)候，如果要改變轉(zhuǎn)數(shù)時(shí)，螺旋槳無(wú)法馬上響應(yīng)，只能夠慢慢變化。這是由于驅(qū)動(dòng)螺旋槳運(yùn)動(dòng)的油壓受油的黏性、管道阻力所限制。油壓的變化以及螺旋槳轉(zhuǎn)數(shù)滯后，使得用高精度角度編碼器測(cè)定轉(zhuǎn)數(shù)進(jìn)行控制變得異常困難。氣壓設(shè)備同理。步進(jìn)電機(jī)向繞組輸入脈沖電流，旋轉(zhuǎn)脈沖對(duì)應(yīng)的運(yùn)動(dòng)角度。因此，即便沒(méi)有反饋控制，基本上電機(jī)的旋轉(zhuǎn)方向和旋轉(zhuǎn)角度，控制器都可以識(shí)別的。但是如果發(fā)生什么故障的話，用脈沖電流無(wú)法運(yùn)動(dòng)，控制器同實(shí)際運(yùn)動(dòng)之間就有存在誤差。浙江編碼器測(cè)量角度對(duì)反饋編碼與測(cè)量實(shí)體之間的對(duì)應(yīng)關(guān)系進(jìn)行設(shè)定，簡(jiǎn)單說(shuō)，就是得讓上位系統(tǒng)和高精度角度編碼器對(duì)上眼兒。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海編碼器測(cè)量角度,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854224179688/867726.png"></div><p style="text-indent:25px">高精度光電軸角編碼器空間適應(yīng)性研究與設(shè)計(jì)：隨著現(xiàn)代光蝕刻技術(shù)的進(jìn)步，采用金屬基制作光電編碼盤工藝不斷成熟.金屬光電編碼盤具有抗振性強(qiáng)，溫度適應(yīng)性好的優(yōu)點(diǎn).本文分析了國(guó)內(nèi)外光電軸角編碼器的發(fā)展現(xiàn)狀，結(jié)合金屬光柵盤的獨(dú)特優(yōu)勢(shì)，選定了金屬反射式光柵盤作為空間用光電編碼器的重要部件.設(shè)計(jì)出一套結(jié)構(gòu)簡(jiǎn)潔，可靠性高，實(shí)用性強(qiáng)，具備空間適應(yīng)能力的高精度***式光電編碼器實(shí)驗(yàn)系統(tǒng)，對(duì)開(kāi)展空間高精度軸角測(cè)量具有重要的參考價(jià)值. 本文主要研究工作如下: (1)研究分析了基于反射式雙光柵莫爾干涉條紋的測(cè)角基理，確定了空間應(yīng)用光電軸角編碼器系統(tǒng)設(shè)計(jì)的基本結(jié)構(gòu). (2)設(shè)計(jì)完成了空間溫度大交變環(huán)境能夠保持高回轉(zhuǎn)精度的機(jī)械軸系，為進(jìn)行高質(zhì)量的光電信號(hào)采集提供了保障.</p><p style="text-indent:25px">用高精度角度編碼器對(duì)全向電動(dòng)底盤轉(zhuǎn)向角度的檢測(cè)與控制：全向電動(dòng)底盤可實(shí)現(xiàn)四輪**驅(qū) 動(dòng)(4WD)和四輪**轉(zhuǎn)向(4WS)，是未來(lái)非道路車輛發(fā)展的重要方向.電動(dòng)輪轉(zhuǎn)向角度的精密檢測(cè)和準(zhǔn)確控制對(duì)于全向電動(dòng)底盤四輪**轉(zhuǎn)向(4WS)功能的實(shí)現(xiàn)至關(guān)重要.介紹了一種檢測(cè)和控制電動(dòng)輪旋轉(zhuǎn)角度的新方法.采用***編碼器檢測(cè)電動(dòng)輪的實(shí)際位置，由**控制器PLC接收***編碼器輸入的格雷碼并轉(zhuǎn)換為標(biāo)準(zhǔn)二進(jìn)制數(shù)，經(jīng)計(jì)算得到電動(dòng)輪的實(shí)際轉(zhuǎn)角.通過(guò)與電動(dòng)輪的目標(biāo)轉(zhuǎn)角相比較，由PLC根據(jù)比較結(jié)果控制電動(dòng)輪的運(yùn)動(dòng)，再通過(guò)電磁離合器的配合，實(shí)現(xiàn) 電動(dòng)底盤轉(zhuǎn)向角度的檢測(cè)與控制.實(shí)驗(yàn)表明，這種檢測(cè)和控制電動(dòng)輪旋轉(zhuǎn)角度的方法測(cè)量準(zhǔn)確，控制靈敏，安全可靠，為旋轉(zhuǎn)角度的測(cè)量和控制提供了一種行之有效的新方法.隨著轉(zhuǎn)速的增加高精度角度編碼器的輸出信號(hào)頻率增加。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海編碼器測(cè)量角度,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854331464844/9761982.png"></div><p style="text-indent:25px">高精度角度編碼器是一種測(cè)量角位移和角速度的精密傳感器.隨著數(shù)控系統(tǒng)以及現(xiàn)代工業(yè)控制系統(tǒng)對(duì)分辨率和精度的要求越來(lái)越高，*依靠原始分辨率或四倍頻計(jì)數(shù)已無(wú)法滿足工控系統(tǒng)實(shí)時(shí)反饋精度需求，需要更高的分辨率和精度的編碼器位置轉(zhuǎn)速等反饋信號(hào).提高編碼器分辨率的方法有硬件和軟件兩種方法，由于硬件方法對(duì)工藝設(shè)計(jì)等要求非常高，課題采用了軟件方法對(duì)編碼器信號(hào)進(jìn)行電子學(xué)細(xì)分，以提升編碼器信號(hào)的分辨率和精度.為了提高編碼器位置信息的分辨率和精度，以獲取更精確的電機(jī)位置，速度等信息，文中主要設(shè)計(jì)了基于改進(jìn)坐標(biāo)旋轉(zhuǎn)數(shù)字計(jì)算(CORDIC)算法的編碼器信號(hào)處理系統(tǒng).首先通過(guò)信號(hào)調(diào)理電路對(duì)編碼器信號(hào)進(jìn)行差分放大和整形濾波等處理，然后四倍頻計(jì)數(shù)得到粗碼信息，接著采用基于改進(jìn)CORDIC算法的電子學(xué)細(xì)分方法獲得精插補(bǔ)信息，將粗碼和精碼信息整合，得到高的分辨率和高精度的電機(jī)角位置信息.高精度角度編碼器是一種數(shù)字式角度傳感器。廣西小角度絕對(duì)編碼器</p><p style="text-indent:25px">高精度角度編碼器是一種精密測(cè)角裝置。上海編碼器測(cè)量角度</p><p style="text-indent:25px">高精度角度編碼器光電信號(hào)正交偏差測(cè)量和補(bǔ)償方法：高精角度編碼器細(xì)分誤差中莫爾條紋光電信號(hào)的正交性偏差影響比較大.采用鎖相環(huán)測(cè)量偏差+軟件補(bǔ)償?shù)姆椒▽?duì)正交性偏差進(jìn)行自動(dòng)校正和補(bǔ)償，效果明顯.在補(bǔ)償過(guò)程中，以正弦信號(hào)為基準(zhǔn)信號(hào)，對(duì)余弦信號(hào)進(jìn)行計(jì)算補(bǔ)償，得到一個(gè)新的余弦信號(hào)來(lái)代替硬件中原有的余弦原始信號(hào)，使新的余弦信號(hào)與正弦信號(hào)正交，同時(shí)包含了余弦原始信號(hào)的所有信息.實(shí)驗(yàn)結(jié)果表明，在一定偏差范圍內(nèi)，經(jīng)過(guò)補(bǔ)償后，信號(hào)的正交性偏差得以明顯降低.上海編碼器測(cè)量角度</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2940555.html</p></div></div></div></div></div><div id="onu48ga" class="page-right twoColRt"><div id="qteofvr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3tj9odk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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