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http://dx.doi.org/10.5302/J.ICROS.2010.16.9.872

Compensation of Harmonic Disturbances within Nyquist Frequency in Hard Disk Drives  

Suh, Sang-Min (Samsung Electronics)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.16, no.9, 2010 , pp. 872-875 More about this Journal
Abstract
This paper describes new harmonic disturbance compensation based on a peak filter array for Hard Disk Drives. Unlike a conventional method, the proposed method does not require any sin/cos functions or tables and reduces effects of all harmonic disturbances within a nyquist frequency. Two factors are introduced to parameterize stability and a gain tune. In addition, it is verified that the order of the proposed filter is minimal. From 600 experimental results, 8.5% performance improvement is achieved.
Keywords
comb filter; hard disk drives; nyquist frequency; peak filter; repeatable runout;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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