數(shu)(shu)(shu)控(kong)(kong)(kong)伺(si)(si)(si)服系(xi)統(tong)是(shi)數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)的(de)(de)(de)重要組(zu)成部(bu)分，用(yong)于實(shi)現數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)的(de)(de)(de)進給伺(si)(si)(si)服控(kong)(kong)(kong)制(zhi)和主軸伺(si)(si)(si)服控(kong)(kong)(kong)制(zhi)。數(shu)(shu)(shu)控(kong)(kong)(kong)伺(si)(si)(si)服系(xi)統(tong)的(de)(de)(de)作用(yong)是(shi)把(ba)接受來(lai)自數(shu)(shu)(shu)控(kong)(kong)(kong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)指(zhi)(zhi)令信息，經功率放大(da)、整形處理后，轉換(huan)成機(ji)床(chuang)執行部(bu)件(jian)的(de)(de)(de)直線位移(yi)或角位移(yi)運(yun)動。由于數(shu)(shu)(shu)控(kong)(kong)(kong)伺(si)(si)(si)服系(xi)統(tong)是(shi)數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)的(de)(de)(de)環節，其性(xing)能(neng)將(jiang)直接影響(xiang)數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)的(de)(de)(de)精度和速(su)度等(deng)技(ji)術(shu)指(zhi)(zhi)標。 因此(ci)，對數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)的(de)(de)(de)伺(si)(si)(si)服驅動裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)，要求具有良(liang)好的(de)(de)(de)快速(su)反(fan)應性(xing)能(neng)，準確(que)而靈(ling)敏地跟(gen)蹤數(shu)(shu)(shu)控(kong)(kong)(kong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)發出(chu)的(de)(de)(de)數(shu)(shu)(shu)字(zi)指(zhi)(zhi)令信號，并(bing)能(neng)忠(zhong)實(shi)地執行來(lai)自數(shu)(shu)(shu)控(kong)(kong)(kong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)指(zhi)(zhi)令，提高系(xi)統(tong)的(de)(de)(de)動態(tai)跟(gen)隨特性(xing)和靜態(tai)跟(gen)蹤精度。測量元件(jian)將(jiang)數(shu)(shu)(shu)控(kong)(kong)(kong)機(ji)床(chuang)各坐標軸的(de)(de)(de)實(shi)際位移(yi)值(zhi)檢測出(chu)來(lai)并(bing)經反(fan)饋(kui)系(xi)統(tong)輸入到機(ji)床(chuang)的(de)(de)(de)數(shu)(shu)(shu)控(kong)(kong)(kong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)中(zhong)。