{"title":"Nonlinear dynamic model of a pivot ball bearing in hard disk drive including the hertzian contact force","authors":"J. Yoon, N. Park, K. Park, Y. Park","doi":"10.1109/INTMAG.2015.7157694","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":381832,"journal":{"name":"2015 IEEE Magnetics Conference (INTERMAG)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE Magnetics Conference (INTERMAG)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTMAG.2015.7157694","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
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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