Tracking accuracy and stability of a sliding peak-filter based controller for spiral nanopositioning in probe storage systems (original) (raw)

2011 19th Mediterranean Conference on Control & Automation (MED), 2011

Abstract

High precision nanopositioning is a crucial func- tion of high-density probe-based storage devices and its perfor- mance affects determinatively the device's reliability. The use of non-conventional nanopositioning schemes for achieving much higher data rates imposes new requirements on the control algorithms. In this work we analyze in terms of accuracy and stability an H2 controller combined with a sliding peak-filter

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