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dedong_521
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樓主  發(fā)表于: 2015-09-02 10:53
大家好,請教個(gè)問(wèn)題,有個(gè)項目 伺服拖動(dòng)擠壓輥帶動(dòng)布條進(jìn)行傳送,開(kāi)始的時(shí)候是布片擋住光纖傳感器,要求布片離開(kāi)光纖后,準確停在一個(gè)位置,如圖,現在我是這樣的,1、給伺服一個(gè)脈沖指令(PLSY)拖動(dòng)布片運行當布片離開(kāi)光纖時(shí),伺服停止,2、然后執行定位指令drva 進(jìn)行精確定位,現在問(wèn)題是執行第一步的時(shí)候會(huì )出現有2-3mm的誤差,各位有啥好的方法,說(shuō)一下,謝謝!
358273433
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1樓  發(fā)表于: 2015-09-07 10:03
可用中斷定位指令 DVIT試一下

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