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線性(xing)直流(liu)電(dian)(dian)(dian)機(ji)(ji)、音圈電(dian)(dian)(dian)機(ji)(ji) (VCM) 或音圈執行器 (VCA) 是(shi)簡單的(de)電(dian)(dian)(dian)機(ji)(ji)類型。這些電(dian)(dian)(dian)機(ji)(ji)由(you)兩個獨立的(de)部分(fen)組成：磁(ci)性(xing)外殼和線圈。在電(dian)(dian)(dian)機(ji)(ji)端子上施(shi)加(jia)電(dian)(dian)(dian)壓(ya)會使電(dian)(dian)(dian)機(ji)(ji)向(xiang)(xiang)一個方(fang)向(xiang)(xiang)運動(dong)。將(jiang)(jiang)施(shi)加(jia)電(dian)(dian)(dian)壓(ya)的(de)極(ji)性(xing)反(fan)轉，電(dian)(dian)(dian)機(ji)(ji)將(jiang)(jiang)向(xiang)(xiang)相(xiang)反(fan)方(fang)向(xiang)(xiang)移動(dong)。產生(sheng)的(de)力與流(liu)過電(dian)(dian)(dian)機(ji)(ji)線圈的(de)電(dian)(dian)(dian)流(liu)成正比(bi)。在電(dian)(dian)(dian)機(ji)(ji)的(de)指(zhi)定沖程范圍內，該力幾乎是(shi)恒定的(de)。

音(yin)圈電(dian)(dian)機(ji)無(wu)需換(huan)向，使用位(wei)置(zhi)傳感器可(ke)實(shi)現(xian)小于一微(wei)米或 0.00004 英寸的定位(wei)精度。非換(huan)向電(dian)(dian)機(ji)結構(gou)提高了可(ke)靠性。電(dian)(dian)機(ji)與(yu)負載的直接耦合可(ke)實(shi)現(xian)快速(su)加速(su)/減(jian)速(su)和(he)高速(su)運(yun)行。線性音(yin)圈電(dian)(dian)機(ji)可(ke)以輕松實(shi)現(xian)高速(su)和(he)加速(su)。雖(sui)然運(yun)動部件需要由客戶提供的機(ji)構(gou)支撐，但(dan)這種(zhong)電(dian)(dian)機(ji)可(ke)與(yu)位(wei)置(zhi)傳感器和(he)運(yun)動控(kong)制器配(pei)合使用，以實(shi)現(xian)精確定位(wei)。

線性音圈(quan)電機的其(qi)他應用還有(you)力和(he)壓(ya)力控制。