目前，直(zhi)線電(dian)(dian)(dian)(dian)機(ji)驅(qu)動(dong)(dong)(dong)器(qi)采用數(shu)字信號(hao)處理器(qi)(DSP)作為控制核(he)心(xin)(xin)，可以(yi)(yi)實(shi)(shi)現復雜的(de)控制算法，實(shi)(shi)現數(shu)字化、網絡化和智(zhi)能化。功率器(qi)件一般(ban)采用智(zhi)能功率模塊(IPM)作為驅(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)路(lu)的(de)核(he)心(xin)(xin)設計，IPM與驅(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)路(lu)集(ji)成在(zai)一起，并具(ju)有過(guo)(guo)(guo)(guo)壓、過(guo)(guo)(guo)(guo)流(liu)(liu)、過(guo)(guo)(guo)(guo)熱、欠壓等故障(zhang)檢測和保護(hu)電(dian)(dian)(dian)(dian)路(lu)，在(zai)主電(dian)(dian)(dian)(dian)路(lu)中還增加了(le)軟啟動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)路(lu)，以(yi)(yi)減少啟動(dong)(dong)(dong)過(guo)(guo)(guo)(guo)程對(dui)驅(qu)動(dong)(dong)(dong)的(de)影響。電(dian)(dian)(dian)(dian)力(li)驅(qu)動(dong)(dong)(dong)單(dan)元前提通(tong)過(guo)(guo)(guo)(guo)三(san)相全(quan)橋整流(liu)(liu)電(dian)(dian)(dian)(dian)路(lu)對(dui)輸入的(de)三(san)相電(dian)(dian)(dian)(dian)源或市電(dian)(dian)(dian)(dian)進行整流(liu)(liu)，得(de)到(dao)相應的(de)直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)。經三(san)相電(dian)(dian)(dian)(dian)源或市電(dian)(dian)(dian)(dian)良好后，并通(tong)過(guo)(guo)(guo)(guo)三(san)相正弦PWM電(dian)(dian)(dian)(dian)壓逆變(bian)器(qi)變(bian)頻驅(qu)動(dong)(dong)(dong)三(san)相永磁同步交流(liu)(liu)伺服電(dian)(dian)(dian)(dian)機(ji)。動(dong)(dong)(dong)力(li)驅(qu)動(dong)(dong)(dong)單(dan)元的(de)整個過(guo)(guo)(guo)(guo)程，可簡單(dan)地說就(jiu)是(shi)AC-DC-AC過(guo)(guo)(guo)(guo)程。整流(liu)(liu)單(dan)元(交直(zhi)流(liu)(liu))的(de)主要拓撲(pu)電(dian)(dian)(dian)(dian)路(lu)為三(san)相全(quan)橋無控整流(liu)(liu)電(dian)(dian)(dian)(dian)路(lu)。

 由(you)于伺(si)(si)服(fu)系統的(de)大規(gui)模(mo)使用，伺(si)(si)服(fu)驅動(dong)的(de)使用、伺(si)(si)服(fu)驅動(dong)的(de)調試(shi)、伺(si)(si)服(fu)驅動(dong)的(de)維(wei)修都是伺(si)(si)服(fu)驅動(dong)在當今(jin)比較(jiao)重要的(de)技術問題，許多工業控制技術服(fu)務商對伺(si)(si)服(fu)驅動(dong)技術進(jin)行深入的(de)研究(jiu)。

 直線電機驅動器(qi)(qi)是當今運動控制(zhi)重要(yao)(yao)組成部分，主(zhu)要(yao)(yao)應用于工業機器(qi)(qi)人和數(shu)控加(jia)工中(zhong)心等自動化設(she)備。尤其用作控制(zhi)交流(liu)永(yong)磁同步電機的(de)(de)伺服驅動已經(jing)成為(wei)國內外研究的(de)(de)熱(re)點。對于矢(shi)量(liang)控制(zhi)的(de)(de)電流(liu)、速(su)度(du)、位(wei)置3閉環控制(zhi)算法(fa)主(zhu)要(yao)(yao)應用于交流(liu)伺服驅動器(qi)(qi)的(de)(de)設(she)計中(zhong)。速(su)度(du)閉環設(she)計的(de)(de)合理(li)與否對整個(ge)伺服控制(zhi)系統，尤其是在速(su)度(du)控制(zhi)性能的(de)(de)好壞起(qi)重要(yao)(yao)作用。