目前主流的伺服驅動器均采用" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=509026&ss_c=ssc.citiao.">數字信號處理器（DSP）作為控制核心，可以實現比較復雜的控制算法，實現數字化、網絡化和智能化。功率器件普遍采用以" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=58511009&ss_c=ssc.citiao.">智能功率模塊（IPM）為核心設計的驅動電路,IPM內部集成了驅動電路,同時具有" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=425189&ss_c=ssc.citiao.">過電壓、" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=560600&ss_c=ssc.citiao.">過電流、過熱、欠壓等故障檢測保護電路,在主回路中還加入" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=1952675&ss_c=ssc.citiao.">軟啟動電路,以減小啟動過程對驅動器的沖擊。功率驅動單元首先通過三相全橋整流電路對輸入的" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=2775278&ss_c=ssc.citiao.">三相電或者市電進行整流，得到相應的" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=1517278&ss_c=ssc.citiao.">直流電。經過整流好的三相電或市電，再通過三相正弦PWM電壓型" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=394327&ss_c=ssc.citiao.">逆變器變頻來驅動三相永磁式同步" target="_blank" href="http://econlp.com/j.php?u=ahttps://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=7824471&ss_c=ssc.citiao.">交流伺服電機。