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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="a3uvzmm" 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>湖北高精度絕對(duì)編碼器,高精度角度編碼器</p><p><span>***更新：</span>2021-01-29 05:16:55</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="2cawxyu" 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="huvh8kl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="iv83e2k" class="box"><p><p style="text-indent:25px">提高高精度角度編碼器分辨力和精度的方法研究:隨著機(jī)載，湖北高精度絕對(duì)編碼器，星載，便攜式j(luò)un用偵查，定位，指揮武器系統(tǒng)的飛速發(fā)展，對(duì)高精度角度編碼器的分辨力和精度提出了更高的要求.由于莫爾條紋光電信號(hào)質(zhì)量制約了高精度角度編碼器的高的分辨力細(xì)分，細(xì)分誤差和長(zhǎng)周期誤差影響了角度編碼器的精度，因此開展莫爾條紋信號(hào)誤差校正，新的細(xì)分方法研究和長(zhǎng)周期誤差修正方法研究，對(duì)提高高精度角度編碼器的分辨力和精度，追蹤國際先進(jìn)水平具有重要意義. 在參考國內(nèi)外文獻(xiàn)的基礎(chǔ)上，首先從莫爾條紋光電信號(hào)產(chǎn)生的原理出發(fā)，深入分析了莫爾條紋信號(hào)質(zhì)量對(duì)角度編碼器高的分辨力細(xì)分的影響，細(xì)分誤差產(chǎn)生的原因，湖北高精度絕對(duì)編碼器，長(zhǎng)周期誤差對(duì)光電編碼器精度產(chǎn)生的影響，研究了提高高精度角度編碼器分辨力和精度的方法。高精度角度編碼器連接電纜故障：這種故障出現(xiàn)的幾率較高，湖北高精度絕對(duì)編碼器，維修中經(jīng)常遇到，應(yīng)是優(yōu)先考慮的因素。湖北高精度絕對(duì)編碼器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北高精度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854487705078/9177530.png"></div><p style="text-indent:25px">為了減小高精度角度編碼器偏心誤差的影響，提高高精度角度編碼器角度測(cè)量的精度，對(duì)偏心誤差的修正方法進(jìn)行了研究.通過對(duì)國際大酒店編碼器測(cè)角原理和偏心誤差產(chǎn)生原因的分析，建立了偏心誤差模型.并根據(jù)偏心誤差模型的特點(diǎn)，對(duì)其進(jìn)行簡(jiǎn)化，得到易于數(shù)學(xué)計(jì)算的偏心誤差修正模型.以平行光管和23面棱體為基準(zhǔn)，得到存在偏心誤差的一組高精度角度編碼器測(cè)量數(shù)據(jù).使用線性比較小二乘參數(shù)選擇準(zhǔn)則，對(duì)偏心誤差修正模型中的參數(shù)進(jìn)行優(yōu)化計(jì)算，得到修正模型中的參數(shù)，完成對(duì)高精度角度編碼器誤差偏心的修正.通過誤差修正試驗(yàn)和精度驗(yàn)證試驗(yàn)，表明經(jīng)過偏心誤差修正，系統(tǒng)測(cè)量精度優(yōu)于±13″.修正方法達(dá)到了補(bǔ)償誤差的目的，提高了高精度角度編碼器的測(cè)量精度，滿足了高精度角度測(cè)量的要求湖北高精度絕對(duì)編碼器對(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，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="湖北高精度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854224179688/867726.png"></div><p style="text-indent:25px">回零的目的是為了用高精度角度編碼器測(cè)量物體運(yùn)動(dòng)的位置，所以，一般來說，只有在讀取位置反饋的應(yīng)用中才需要對(duì)高精度角度編碼器進(jìn)行回零操作。其次，上述這種通過回零校準(zhǔn)操作建立起來的數(shù)據(jù)對(duì)應(yīng)關(guān)系，是需要借助上位系統(tǒng)、高精度角度編碼器與傳動(dòng)機(jī)構(gòu)...等物理介質(zhì)一直保持著的，但如果這其中任何一個(gè)環(huán)節(jié)的記憶出現(xiàn)丟失的情況，那么就有必要對(duì)系統(tǒng)重新進(jìn)行校準(zhǔn)回零的操作了。理解了這一點(diǎn)，我們就很容易判斷究竟何時(shí)需要對(duì)高精度角度編碼器進(jìn)行回零操作了：用增量型高精度角度編碼器做位置反饋，在每次斷電后再次上電時(shí)都需要進(jìn)行回零操作。</p><p style="text-indent:25px">高精度角度編碼器工作原理：由一個(gè)中心有軸的光電碼盤，其上有環(huán)形通、暗的刻線，有光電發(fā)射和接收設(shè)備件讀取，獲得四組正弦波信號(hào)組合成A、B、C、D，每個(gè)正弦波相差90度相位差（相對(duì)于一個(gè)周波為360度），將C、D信號(hào)反向，疊加在A、B兩相上，可增強(qiáng)穩(wěn)定信號(hào)；另每轉(zhuǎn)輸出一個(gè)Z相脈沖以標(biāo)志零位參考位。由于A、B兩相相差90度，可通過比較A相在前還是B相在前，以判別編碼器的正轉(zhuǎn)與反轉(zhuǎn)，通過零位脈沖，可獲得編碼器的零位參考位。編碼器碼盤的材料有玻璃、金屬、塑料，玻璃碼盤是在玻璃上沉積很薄的刻線，其熱穩(wěn)定性好，精度高，金屬碼盤直接以通和不通刻線，不易碎，但由于金屬有一定的厚度，精度就有限制，其熱穩(wěn)定性就要比玻璃的差一個(gè)數(shù)量級(jí)，塑料碼盤是經(jīng)濟(jì)型的，其成本低，但精度、熱穩(wěn)定性、壽命均要差一些。分辨率—編碼器以每旋轉(zhuǎn)360度提供多少的通或暗刻線稱為分辨率，也稱解析分度、或直接稱多少線，一般在每轉(zhuǎn)分度5~10000線。高精度角度編碼器的格式有多少種呢？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北高精度絕對(duì)編碼器,高精度角度編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637345854277753906/142469.png"></div><p style="text-indent:25px">高精度角度編碼器感應(yīng)同步器測(cè)角法是種電磁感應(yīng)位置檢測(cè)元件，它是美國根據(jù)美國空軍提出的要求而發(fā)明的，根據(jù)正弦、余弦兩繞組的電壓和相位進(jìn)行比較，利用電磁感應(yīng)將位移量轉(zhuǎn)化成電信號(hào)，并以數(shù)字脈沖形式輸出基準(zhǔn)量。由于感應(yīng)同步器在工作時(shí)可以多個(gè)節(jié)距同時(shí)起作用，具有“平均效應(yīng)”，因而具有較高的分度準(zhǔn)確度。無論是機(jī)械式還是電磁式測(cè)角法，它們的主要缺點(diǎn)大多為手工測(cè)量，不容易實(shí)現(xiàn)自動(dòng)化，而且測(cè)量精度也受到機(jī)械加工精度的限制。高精度角度編碼器電纜屏蔽線未接或脫落：這會(huì)引入干擾信號(hào)，使波形不穩(wěn)定，影響通信的準(zhǔn)確性。甘肅高度編碼器</p><p style="text-indent:25px">高精度角度編碼器中常見的故障有哪些？湖北高精度絕對(duì)編碼器</p><p style="text-indent:25px">由于機(jī)械安裝等原因造成的脈沖丟失的問題：高精度角度編碼器信號(hào)跌落的頻率與電機(jī)轉(zhuǎn)速實(shí)際值存在一定對(duì)應(yīng)關(guān)系，一般說明高精度角度編碼器在某些位置上的光柵信號(hào)出現(xiàn)問題。造成這樣的問題的主要原因在于高精度角度編碼器安裝過程中出現(xiàn)敲擊，沖撞等機(jī)械損傷，從而影響高精度角度編碼器的光電系統(tǒng)引起相關(guān)問題。解決問題：由于硬件的損傷，只能進(jìn)行更換。由于電磁干擾造成的高精度角度編碼器信號(hào)不穩(wěn)定的問題：高精度角度編碼器的時(shí)鐘信號(hào)在變頻器使能的情況下出現(xiàn)了“毛刺”：干擾源：變頻器；耦合路徑：交變強(qiáng)電場(chǎng)耦合至高精度角度編碼器信號(hào)回路；受擾體：高精度角度編碼器信號(hào)。問題的解決：一方面處理信號(hào)電纜的屏蔽層可靠接地的情況；另一方面通過與干擾源（變頻器及動(dòng)力）進(jìn)行空間的隔離處理。湖北高精度絕對(duì)編碼器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3060041.html</p></div></div></div></div></div><div id="yb3miza" class="page-right twoColRt"><div id="kyfwnjp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ajflm7d" 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)" 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