In order to achieve high area density of HDD to 10Tbit/in2, both radial and axial direction Repeatable Run-Out (RRO) and None repeatable Run-Out (NRRO) of spindle motor in HDD should be significantly reduced. That means the high performance spindle motor is need. Currently, the spindle motor used in HDD uses a rotating shaft FDB which structure likes slender cantilever beam to support the rotor and the problem of this kind of structure is reported in [1]. This structure cannot meet HDD high TPI requirements and should be replaced by the fixed shaft FDB spindle motor and the analytical model is shown in Fig. 1. Moreover, different types of Unbalance Magnetic Pull (UMP) of the Spindle motor and induced vibration should be fully studied. In order to fully understand motor vibration behavior, a thorough theoretical derivation of motor dynamics should be carried out as they can disclose clearly the global performance of the motor. Generally, four types of UMP reported in [1]–[3] can generate the motor lateral and axis vibration and produce motor acoustic noise. Researchers have studied vibration and acoustic signals in recent years[1]–[6]. In this paper, the PMSM mathematic model has introduced and validated by 12 slots and 5 pole-pairs PM surface mounting Synchronous motor M1 simulation case study. This type of Permanent Magnetic Synchronous motor (PMSM) is using in many applications, e.g.
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ASME 2013 Conference on Information Storage and Processing Systems
June 24–25, 2013
Santa Clara, California, USA
Conference Sponsors:
- Information Storage and Processing Systems Division
ISBN:
978-0-7918-5553-9
PROCEEDINGS PAPER
Analytical and Numerical Study Rotor Faults in PM Synchronous Motor Available to Purchase
Yinquan Yu,
Yinquan Yu
Data Storage Institute, A*Star, Singapore
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Chao Bi,
Chao Bi
Data Storage Institute, A*Star, Singapore
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Quan Jiang,
Quan Jiang
Data Storage Institute, A*Star, Singapore
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Song Lin,
Song Lin
Data Storage Institute, A*Star, Singapore
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Phyu Nu Hla,
Phyu Nu Hla
Data Storage Institute, A*Star, Singapore
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Nay Lin Htun Aung,
Nay Lin Htun Aung
Data Storage Institute, A*Star, Singapore
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A. A. Mamun
A. A. Mamun
National University of Singapore, Singapore
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Yinquan Yu
Data Storage Institute, A*Star, Singapore
Chao Bi
Data Storage Institute, A*Star, Singapore
Quan Jiang
Data Storage Institute, A*Star, Singapore
Song Lin
Data Storage Institute, A*Star, Singapore
Phyu Nu Hla
Data Storage Institute, A*Star, Singapore
Nay Lin Htun Aung
Data Storage Institute, A*Star, Singapore
A. A. Mamun
National University of Singapore, Singapore
Paper No:
ISPS2013-2857, V001T05A002; 5 pages
Published Online:
December 4, 2013
Citation
Yu, Y, Bi, C, Jiang, Q, Lin, S, Hla, PN, Aung, NLH, & Mamun, AA. "Analytical and Numerical Study Rotor Faults in PM Synchronous Motor." Proceedings of the ASME 2013 Conference on Information Storage and Processing Systems. ASME 2013 Conference on Information Storage and Processing Systems. Santa Clara, California, USA. June 24–25, 2013. V001T05A002. ASME. https://doi.org/10.1115/ISPS2013-2857
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