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陳十一
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樓主  發(fā)表于: 2018-10-05 20:14
伺服回原點(diǎn)后定位不準的問(wèn)題：

用的增量式伺服脈沖加方向，原點(diǎn)是光電開(kāi)關(guān)安裝結實(shí)可靠。機械部分是用的模組。

系統回原點(diǎn)后，伺服進(jìn)行定位大概有20個(gè)定位點(diǎn)位。點(diǎn)位定位完成之后，伺服回原點(diǎn)等待下次工作，如此循環(huán)。

大概連續工作半小時(shí)后，伺服回原點(diǎn)再次點(diǎn)位時(shí)會(huì )出現點(diǎn)位定位不準，偏差可能有3,4毫米。隨著(zhù)工作時(shí)間的增加偏差量會(huì )越來(lái)越大。

請教一下論壇里的大神們，為什么伺服每次工作完回原點(diǎn)后，下次定位還有偏差且偏差會(huì )隨著(zhù)工作時(shí)間的增加偏差量也在不斷的增大。
124388034
藍楓戀影
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1樓  發(fā)表于: 2018-10-07 16:31
伺服定位的誤差就在于每次回原點(diǎn)造成的，排除機械問(wèn)題，應該是你回原點(diǎn)的方式有問(wèn)題

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