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|Title:||Disturbance rejection on critical resonant mode in hard disk drives|
|Keywords:||Critical resonant mode|
|Source:||Dai, G.,Hong, F.,Pang, C.K.,Nagashima, M. (2010). Disturbance rejection on critical resonant mode in hard disk drives. Digest of the Asia-Pacific Magnetic Recording Conference 2010, APMRC 2010 : -. ScholarBank@NUS Repository.|
|Abstract:||In this paper, we propose a control method which combines notch filter and peak filter to provide disturbance rejection at the frequency of critical resonant mode. The settling rate is also improved by time-varying the parameters of the peak filter. Our simulation and experimental results show that the out-of-phase resonant mode is reshaped to an in-phase mode, and the disturbance at the frequency of critical resonant mode is attenuated by 70% with an improved settling rate. The proposed control method is shown to be robust against ± 10% perturbation of natural frequencies.|
|Source Title:||Digest of the Asia-Pacific Magnetic Recording Conference 2010, APMRC 2010|
|Appears in Collections:||Staff Publications|
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