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class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="p7zo7kj" class="box"><p><p style="text-indent:25px">高精度角度編碼器的誤差檢測(cè)是編碼器制作過(guò)程中不可或缺的一個(gè)環(huán)節(jié).對(duì)于高精度光電編碼器，甘肅小角度絕對(duì)編碼器，細(xì)分誤差是影響其準(zhǔn)確度的主要因素.現(xiàn)有的細(xì)分誤差檢測(cè)主要采用精密的小角度測(cè)量?jī)x，光學(xué)多面體等儀器，要求在嚴(yán)格的實(shí)驗(yàn)室條件下進(jìn)行，檢測(cè)方法費(fèi)時(shí)，費(fèi)力，甘肅小角度絕對(duì)編碼器，易引入檢測(cè)誤差.對(duì)碼盤光柵節(jié)距較小，細(xì)分份數(shù)較高的高精度編碼器的細(xì)分誤差以及工作現(xiàn)場(chǎng)的動(dòng)態(tài)細(xì)分誤差的快速檢測(cè)，還沒有有效的檢測(cè)手段.本文主要研究的是高精度編碼器動(dòng)態(tài)細(xì)分誤差的測(cè)量方法.在參考國(guó)內(nèi)外大量文獻(xiàn)的基礎(chǔ)上，首先從莫爾條紋產(chǎn)生的原理出發(fā)，深入分析了高精度編碼器莫爾條紋光電信號(hào)的特點(diǎn)，影響莫爾條紋質(zhì)量的因素，莫爾條紋信號(hào)質(zhì)量對(duì)細(xì)分誤差的影響，研究了高精度編碼器細(xì)分誤差的計(jì)算方法，甘肅小角度絕對(duì)編碼器.提出了利用傅立葉變換進(jìn)行高精度編碼器動(dòng)態(tài)細(xì)分誤差的計(jì)算方法.采用傅立葉分析算法對(duì)莫爾條紋信號(hào)進(jìn)行分析研究，計(jì)算信號(hào)波形參數(shù)，與標(biāo)準(zhǔn)信號(hào)進(jìn)行比對(duì)，求出動(dòng)態(tài)細(xì)分誤差.建立了莫爾條紋的時(shí)域信號(hào)向空域位置信號(hào)轉(zhuǎn)換的數(shù)學(xué)模型。高精度角度編碼器與扭矩傳感器的下肢肌肉力量能否組合？甘肅小角度絕對(duì)編碼器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅小角度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854348144531/121132.png"></div><p style="text-indent:25px">高精度角度編碼器的應(yīng)用已從民用和工業(yè)生產(chǎn)中逐漸滲透到航空，航天和高技術(shù)應(yīng)用等各個(gè)領(lǐng)域，而這些部門對(duì)產(chǎn)品的高性能，可靠性，小型化，輕型化提出了更高的要求，且必須適用于惡劣的工作環(huán)境.而反射式高精度角度編碼器的基準(zhǔn)部件采用金屬基坯和金屬膜層制作而成，在高，低溫工作環(huán)境和抗沖擊，震動(dòng)和抗老化等方面具有很大的優(yōu)勢(shì)，玻璃光柵無(wú)法滿足要求，且安裝拆卸方便;而中高精度，細(xì)柵距(線寬在0.01～0.02mm左右)的反射式高精度角度編碼器的研制在國(guó)內(nèi)尚沒有報(bào)道，課題提出采用反射式金屬光柵作測(cè)角元件，研制反射式高精度角度編碼器. 我們有多年從事光柵制作和研究的技術(shù)，設(shè)備基礎(chǔ)，具有各種工藝條件.我們以真空鍍膜技術(shù)和光柵制作技術(shù)為基礎(chǔ)，研究反射式金屬光柵的形成和制作工藝.以光柵測(cè)量技術(shù)和三光柵原理為基礎(chǔ)，研究反射式的光柵信號(hào)的提取。0.01度絕對(duì)值編碼器批發(fā)高精度角度編碼器的溫度等級(jí)的多少？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅小角度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854444492188/2091599.png"></div><p style="text-indent:25px">高精度光電軸角編碼器又稱光電角位置傳感器，是一種集光，機(jī)，電為一體的數(shù)字測(cè)角裝置，它是以高精度計(jì)量圓光柵為檢測(cè)元件，通過(guò)光電轉(zhuǎn)換將軸角信息，直線位移，速度，加速度等物理量轉(zhuǎn)換為電信號(hào)，通過(guò)比較，放大，整形，校正，細(xì)分，譯碼等處理后和計(jì)算機(jī)相連可實(shí)現(xiàn)動(dòng)態(tài)檢測(cè)和實(shí)時(shí)控制，由于具有分辨率高，測(cè)量范圍廣，使用可靠，易于維護(hù)等優(yōu)點(diǎn)而被普遍應(yīng)用于雷達(dá)，光電經(jīng)緯儀，航空航天，數(shù)控機(jī)床，機(jī)器人，指揮儀和高精度閉環(huán)調(diào)速系統(tǒng)等諸多領(lǐng)域.但隨著科技的發(fā)展，**，**，自動(dòng)控制等領(lǐng)域?qū)ξ⑿蛡鞲衅鞯男枨笤絹?lái)越迫切，要求光電軸角編碼器要向高精度，高的分辨率，小型化和智能化發(fā)展，由于傳統(tǒng)的以莫爾條紋為基準(zhǔn)進(jìn)行測(cè)量的***式光電軸角編碼器的測(cè)量精度和尺寸是一對(duì)不可調(diào)和的矛盾，它無(wú)法滿足其發(fā)展趨勢(shì)，因此必須研制一種新型的編碼器.</p><p style="text-indent:25px">針對(duì)高精度光電編碼器轉(zhuǎn)角精度的檢測(cè)，提出了一種基于雙頻激光干涉儀的光電編碼器轉(zhuǎn)角精度檢測(cè)方法，并研制了相應(yīng)的檢測(cè)裝置.該裝置以步進(jìn)電機(jī)為驅(qū)動(dòng)元件，通過(guò)減速機(jī)構(gòu)帶動(dòng)被檢編碼器和角度基準(zhǔn)旋轉(zhuǎn)，以Renishaw雙頻激光干涉儀為角度基準(zhǔn)檢測(cè)儀器，使用RenishawRX10回轉(zhuǎn)軸校準(zhǔn)組件為角度旋轉(zhuǎn)基準(zhǔn)，檢測(cè)精度達(dá)1.36″.分別使用該裝置和傳統(tǒng)手動(dòng)檢測(cè)裝置對(duì)21bit***式編碼器進(jìn)行精度檢測(cè)對(duì)比實(shí)驗(yàn)，結(jié)果表明，該裝置是可行的，且在檢測(cè)效率，檢測(cè)精度上均高于傳統(tǒng)檢測(cè)裝置.高精度角度編碼器多圈的則可以記錄有限多圈的位置編碼。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅小角度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854331464844/9761982.png"></div><p style="text-indent:25px">基于高精度角度編碼器實(shí)現(xiàn)對(duì)轉(zhuǎn)動(dòng)天線角度的測(cè)量：在精確定位控制系統(tǒng)中，為了提高控制精度，準(zhǔn)確測(cè)量控制對(duì)象的位置是十分重要的。目前，檢測(cè)位置的辦法有三種:其一是使用位置傳感器，測(cè)量到的位移量由變送器經(jīng)A/D轉(zhuǎn)換成數(shù)字量送至系統(tǒng)進(jìn)行進(jìn)一步處理。此方法精度高，但在多路、長(zhǎng)距離位置監(jiān)控系統(tǒng)中，由于其成本昂貴，安裝困難，因此并不實(shí)用;其二是采用光電碼盤，通過(guò)碼盤透光孔照射光敏電阻取樣，輸出相應(yīng)位置信息;其三是采用光電軸角編碼器進(jìn)行精確位置控制。光電軸角編碼器根據(jù)其刻度方法及信號(hào)輸出形式，可分為增量式、***式以及混合式三種。高精度角度編碼器電纜斷路、短路或接觸不良，這時(shí)需更換電纜或接頭。0.01度絕對(duì)值編碼器批發(fā)</p><p style="text-indent:25px">高精度角度編碼器故障需更換高精度角度編碼器或維修其內(nèi)部器件。甘肅小角度絕對(duì)編碼器</p><p style="text-indent:25px">高精度角度編碼器的主要特點(diǎn)是：測(cè)量系統(tǒng)精度高，達(dá)到同類產(chǎn)品國(guó)際先進(jìn)水平，由于需要借助用戶軸系的軸承結(jié)構(gòu)來(lái)進(jìn)行測(cè)量，對(duì)被測(cè)軸系軸向徑跳和安裝基面的垂直度有較高要求才能保證測(cè)量精度；安裝簡(jiǎn)單，借助聯(lián)軸脹套可實(shí)現(xiàn)快速高精度同心安裝；尺寸小，適用于安裝空間有限的地方;空心軸比較大直徑可達(dá)80 mm，便于穿電源線、信號(hào)線及液壓油管等;沒有軸承，有利于降低成本。高精度角度編碼器測(cè)量基準(zhǔn)是精密周期刻線光柵。精密光柵制造采用多種光刻工藝，在石英玻璃上鍍硬鉻線，刻線均勻、邊緣清晰。由于采用光電掃描法，這些刻線是輸出高質(zhì)量信號(hào)的關(guān)鍵。玻璃光柵主要用于編碼器轉(zhuǎn)速1500rpm以內(nèi)的應(yīng)用。甘肅小角度絕對(duì)編碼器</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3008115.html</p></div></div></div></div></div><div id="dnkrgcu" class="page-right twoColRt"><div id="kzgdfmo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3a2ah23" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="quby7kh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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