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UNKNOWN MULTIPLE NARROW-BAND DISTURBANCE REJECTION IN HARD DISK DRIVES-AN ADAPTIVE NOTCH FILTER AND PERFECT DISTURBANCE OBSERVER APPROACH

机译:硬盘驱动器中未知多个窄带干扰抑制 - Adaptive Notch滤波器和完美的干扰观察者方法

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In this paper, an adaptive control scheme is developed to reject unknown multiple narrow-band disturbances in a hard disk drive. An adaptive notch filter is developed to efficiently estimate the frequencies of the disturbance. Based on the correctly estimated parameters, a disturbance observer with a newly designed multiple band-pass filter is constructed to achieve asymptotic perfect rejection of the disturbance. Evaluation of the control scheme is performed on a benchmark problem for HDD track following.
机译:在本文中,开发了一种自适应控制方案,以拒绝硬盘驱动器中未知的多个窄带干扰。开发自适应陷波滤波器以有效地估计干扰的频率。基于正确估计的参数,构建了一种具有新设计的多频段过滤器的干扰观测器,以实现对干扰的渐近完美抑制。对控制方案的评估是对HDD轨道的基准问题进行的。

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