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中文摘要：
伺服系统广泛应用于工业和国防的各个领域,例如射电望远镜天线伺服系统、雷达伺服系统、动中通伺服系统、硬盘驱动伺服系统、金属切割系统和数控机床等.为了满足伺服系统的高性能要求,先进的控制算法设计越来越受到关注.本文以天线伺服系统和硬盘驱动伺服系统为例,阐述了伺服控制系统中普遍存在的高频谐振、带宽约束和外界扰动等共性问题,从系统的干扰抑制、跟踪性能和鲁棒稳定性问题的角度,归纳了伺服系统主要的控制器设计方法.
英文摘要：
Servo systems have been widely used in various fields of industry and defense, such as radio telescope antenna servo systems, radar servo systems, ＇communication on the move＇ servo systems, hard disk drive servo systems, metal cutting systems, digital control machines and so on. To meet high demands on the performances of servo systems, many research efforts have been devoted to advanced control design for servo systems. This paper gives a brief review of the existing achievements in control design for servo systems, with antenna servo systems and hard disk drive servo systems taken as examples to explain several issues in this area; such as, the high-frequency resonance, the bandwidth constraint, the external disturbance and so on. Particularly the disturbance rejection, the optimal tracking control and the robust stabilization are discussed in more details.
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