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Vibration and noise in a HDD spindle motor originated from the axial asymmetry of magnetic design
- Issue Date
- Jan-2013
- Publisher
- IEEE
- Keywords
- Axial asymmetry; axial UMF; HDD spindle motor; noise; vibration
- Citation
- 2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!, pp.1 - 2
- Indexed
- SCOPUS
- Journal Title
- 2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!
- Start Page
- 1
- End Page
- 2
- Abstract
- This research investigates numerically and experimentally the characteristics of axial unbalanced magnetic force (UMF) due to axial asymmetry of magnetic design in the spindle motor of a hard disk drive, and its effect on the acoustic noise and vibration. It shows that the least common multiple (LCM) harmonic of pole and slot of the acoustic noise and vibration are originated from axial UMF. It also shows experimentally that the axially balanced magnetic design can minimize the LCM harmonics in acoustic noise and vibration.
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Collections - 서울 공과대학 > 서울 기계공학부 > 1. Journal Articles
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Related Researcher
- Jang, Gun Hee
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)