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伺服系统的发展紧密地与伺服电动机的不同发展阶段相联系，伺服电动机至今已有五十多年的发展历史，经历了三个主要发展阶段：
第一个发展阶段（20世纪60年代以前），此阶段是以步进电动机驱动的液压伺服马达或以功率步进电动机直接驱动为中心的时代，伺服系统的位置控制为开环系统。
联 系 人：李素云
QQ：1587052687 ,806403614
联系电话：0592-5165501
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联 系 人：李素云
QQ：1587052687 ,806403614
联系电话：0592-5165501
手机:18965423501
联系邮箱：1587052687@qq.com
第二个发展阶段（20世纪60－70年代），这一阶段是直流伺服电动机的诞生和全盛发展的时代，由于直流电动机具有优良的调速性能，很多高性能驱动装置采用了直流电动机，伺服系统的位置控制也由开环系统发展成为闭环系统。在数控机床的应用领域，永磁式直流电动机占统治地位，其控制电路简单，无励磁损耗，低速性能好。
第三个发展阶段（20世纪80年代至今），这一阶段是以机电一体化时代作为背景的，由于伺服电动机结构及其永磁材料、控制技术的突破性进展，出现了无刷直流伺服电动机（方波驱动），交流伺服电动机（正弦波驱动）等种种新型电动机。
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