Nowadays, despite the emerging adoption of the solid state drives, hard disk drives (HDDs) are still used extensively as cost-effective and reliable solutions for data storage. In addition to its usual application in desktops and laptops, HDDs become the primary storage medium for the data centers. The track following control task in HDD requires that the read/write head be positioned over the data track center at nano-scale accuracy, which requires an error tolerance about 7nm. Therefore, the dual-stage HDD is introduced to enhance the HDD control performance for extended bandwidth and improved disturbance rejection.
- Information Storage and Processing Systems Division
Control of Dual-Stage HDDs With Enhanced Repetitive Disturbance Rejection
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Zhou, S, Zheng, M, Chen, X, & Tomizuka, M. "Control of Dual-Stage HDDs With Enhanced Repetitive Disturbance Rejection." Proceedings of the ASME 2017 Conference on Information Storage and Processing Systems collocated with the ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. ASME 2017 Conference on Information Storage and Processing Systems. San Francisco, California, USA. August 29–30, 2017. V001T03A002. ASME. https://doi.org/10.1115/ISPS2017-5432
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