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|Title:||Adaptive compensation of contact-induced vibration in high density HDD servo systems using phase lead peak filter method||Authors:||Xu, J.-X.
Hard disk drive
phase lead peak filter
|Issue Date:||Nov-2013||Citation:||Xu, J.-X., Huang, D., Venkataramanan, V., Huynh, T.C.T. (2013-11). Adaptive compensation of contact-induced vibration in high density HDD servo systems using phase lead peak filter method. Asian Journal of Control 15 (6) : 1638-1647. ScholarBank@NUS Repository. https://doi.org/10.1002/asjc.726||Abstract:||In this paper, a phase lead peak filter (PLPF) design method is adopted to adaptively compensate for high frequency contact-induced vibration (CIV) in hard disk drive (HDD) servo systems. Based on the prior investigation of CIV, a baseline feedback controller is first employed to stabilize the servo loop, and then add-on peak filters are connected in parallel with the baseline controller to further suppress the vibrations in the high frequency range. The proposed CIV compensation scheme has a simple control structure, is capable of dealing with multiple vibration modes that may not be within the bandwidth of open-loop transfer function, and is robust to the change of CIV in frequency and magnitude. The performance of the proposed method in CIV compensation is validated by simulation and experiment. © 2013 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society.||Source Title:||Asian Journal of Control||URI:||http://scholarbank.nus.edu.sg/handle/10635/81932||ISSN:||15618625||DOI:||10.1002/asjc.726|
|Appears in Collections:||Staff Publications|
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