Engineering
8 years ago

Unobservable oscillations in hard drives could destroy user data, study finds.

Analysis of unobservable oscillation in repeatable run-out for head-positioning system of hard disk drive
Takenori Atsumi

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The article discusses how hidden oscillations in hard disk drive systems can cause data loss. The researchers developed a method to estimate these hidden oscillations by looking at the relationship between the frequency of the oscillations and the sampling frequency of the system. They found that the sampling frequency plays a crucial role in preventing data destruction. By analyzing the hidden oscillations in a 7200-rpm HDD system, they showed that designers need to carefully choose the sampling frequency to avoid data loss.