Proposal of perfect tracking and perfect disturbance rejection control by multirate sampling and applications to hard disk drive control
Proposal of perfect tracking and perfect disturbance rejection control by multirate sampling and applications to hard disk drive control
复制标题
通过多速率采样实现完美跟踪和完美抗扰控制的建议及其在硬盘驱动器控制中的应用
DOI：
10.1109/cdc.1999.833393
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发表时间：
1999
期刊：
影响因子：
--
通讯作者：
S. Nakagawa
中科院分区：
文献类型：
--
作者：
H. Fujimoto;Y. Hori;T. Yamaguchi;S. Nakagawa
针对数字控制系统中a /D转换器速度比D/ a转换器慢的限制，提出了多速率二自由度控制器。所提出的前馈控制器保证了M个采样点的完美跟踪。此外，所提出的反馈控制器保证了稳定状态下M个样本间点的完美抗干扰性。给出了硬盘驱动器位置控制的实例，并论证了该方法的优点。
Multirate two-degree-of-freedom controllers are proposed for digital control systems, where there is a restriction that the speed of the A/D converters are slower than that of the D/A converters. The proposed feedforward controller assures the perfect tracking at M inter-sampling points. Moreover, the proposed feedback controller assures the perfect disturbance rejection at M inter-sample points in the steady state. Illustrative examples of position control for hard disk drive are presented, and the advantages of this approach are demonstrated.