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http://dx.doi.org/10.9728/dcs.2014.15.2.301

The Study on Estimating Life Cycle of 2.5 Inch Hard disk base on PC using enviroment  

Cho, Euy-Hyun (영남대학교 대학원 의공학과)
Park, Jeong-Kyu (대구보건대학교 방사선과)
Lee, Min-Woo (삼성전자)
Kwon, Soon-Mu (대구보건대학교 방사선과)
Publication Information
Journal of Digital Contents Society / v.15, no.2, 2014 , pp. 301-308 More about this Journal
Abstract
The mass storage of data and the importance of storage capacity lately has emerged. In this paper, we suggest the new method which estimate life cycle from acceleration life test about 2.5 inch hard disk driver as mass storage, which minimize the difference between real market annual failure rate and estimated failure rate. we obtain market transfer capacity per hours from returned 2.5inch hard disk drives about 309 numbers and accelerating transfer capacity per hours from acceleration life test. we calculate acceleration factor about duty cycle and estimate annual failure rate from failure rate and acceleration factors: temperature acceleration factor, duty cycle acceleration factor, the transfer capacity per hour represent the 93.4 % of user is 5.8 GB/hour, the transfer capacity per hour from acceleration life test is 81.4 GB/hour. the acceleration factor of duty cycle is 14.1. annual failure rate is stabilized at market one year after, annual failure rate is between 0.3 and 0.378. estimated annual failure rate is 0.4, so it is matched at 75~94 % between estimate annual failure rate and market annual failure rate. This study influence the estimate method of annual failure rate by the result of acceleration life cycle of manufacture.
Keywords
Life Estimation; Accelerated Life Test; Hard disk drive; Annual Failure Rate;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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