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hanqin
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樓主  發(fā)表于: 2011-11-06 18:52
1、收放卷電機都是2.2KW,放卷減速比1:20,表面收卷,中心放卷。
2、在小張力是運行正常。
3、在小張力下啟動(dòng)運行,加大張力在4kg的氣壓時(shí),放卷電機停止運行,被動(dòng)拖著(zhù)放卷了。
4、我個(gè)人感覺(jué)是放卷電機功率小了,可是機械認為不是。
5、我同時(shí)認為浮動(dòng)輥設計有問(wèn)題,可是機械認為也不是
6、機械認為我放卷加減速時(shí)間設定太小,我設的是0.1s
請各位幫我參考參考
gk1234
有反饋,才控制
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1樓  發(fā)表于: 2011-11-07 14:31
放卷電機處于再生制動(dòng)狀態(tài),變頻工作在轉矩模式,浮輥反饋恒張力放卷;收卷電機處于電動(dòng)運行狀態(tài),無(wú)傳感器的話(huà),變頻也工作在轉矩模式。放卷控制一般采用時(shí)間或線(xiàn)速啟動(dòng)PID控制,加減速是由主機變頻來(lái)控制,收放卷跟隨

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