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老大很悲傷
冰凍三尺非一日之寒
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樓主  發(fā)表于: 2022-09-25 21:40
目前有個(gè)項目,方案是甲方設計的,但是實(shí)行起來(lái)我有疑問(wèn),感覺(jué)很難實(shí)現或者實(shí)現不了,難點(diǎn)就在用一路模擬量來(lái)實(shí)時(shí)控制步進(jìn)電機的位置,相當于一個(gè)PID調節的閉環(huán)控制,硬件上步進(jìn)電機只有兩個(gè)限位,我的疑問(wèn)1:步進(jìn)電機不能回零,即不能絕對定位,在閉環(huán)控制的過(guò)程中難免電機處于死區,即電機已經(jīng)停止,此時(shí)電機是相對定位,再次啟動(dòng)調節位置的話(huà)已經(jīng)沒(méi)有意義,如果是絕對定位,那么這個(gè)問(wèn)題可以解決。這是我的理解。有沒(méi)有大佬們做過(guò)類(lèi)似這種控制,有什么好的建議請指教。
honggun
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1樓  發(fā)表于: 2022-09-26 07:27
可以實(shí)現的

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