包含赫兹接触力的硬盘枢轴球轴承非线性动力学模型

2015 IEEE Magnetics Conference (INTERMAG) Pub Date : 2015-07-16 DOI:10.1109/INTMAG.2015.7157694

J. Yoon, N. Park, K. Park, Y. Park

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引用次数: 0

摘要

磁记录商用硬盘(HDD)的面密度为1.2 TB/in2。2016年将达到1.5 TB/in2。磁头定位控制由于硬盘的高磁密度，需要更加精确。以往对头部定位控制的研究主要集中在枢轴摩擦力矩或双作动器控制系统。这些不被认为是枢轴球轴承的结构特征。

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Nonlinear dynamic model of a pivot ball bearing in hard disk drive including the hertzian contact force

An areal density in magnetic recording commercialization hard disk drives(HDD) is 1.2 TB/in2. It will be 1.5 TB/in2 in 2016. The head-positioning control should be more accuracy because of the high magnetic density in HDD. Previous studies of head-positioning control are considered pivot friction torque or dual actuator control system. These are not considered structural characteristic of pivot ball bearing.

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2015 IEEE Magnetics Conference (INTERMAG)

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