소형 하드디스크 드라이브의 유연 케이블과 마찰력에 의한 영향에 대한 연구 (Effect of Flexible Cable and Friction Force of Small Form Factor Hard Disk Drive)

서지정보

· 발행기관 : 정보저장시스템학회
· 수록지 정보 : 정보저장시스템학회 논문집 / 5권 / 2호 / 96 ~ 101페이지
· 저자명 : 김석환, 이용현, 김기훈, 이상직, 박영필, 박노철, 박경수, 정문교

초록

In recent years, the demand for portable digital devices such as cellular phone, digital camera, and
MP3 player has been largely increased. To meet the requirements of such portable applications the
information storage devices with smaller size, higher capacity, and lower power consumption are
needed. A small form factor (SFF) HDD using a load/unload (L/UL) system is one of the appropriate
alternatives to satisfy these requirements. Due to complexity of L/UL process and mechanism, it is
required to investigate for better understanding the effects of design parameters. Among the various
design parameters, flexible cable and friction force on the L/UL ramp become important to the
dynamic characteristics of L/UL process as the system is miniaturized. The program for L/UL
simulation which considers the effect of flexible cable and L/UL ramp is needed. Unfortunately, there
is hardly any commercial program for the L/UL simulation except the Computer Mechanics Laboratory
(CML) air bearing design program and the CML L/UL simulation code. Furthermore, the design
parameters such as flexible cable and the L/UL ramp are not considered in the CML L/UL simulation
code. So we embody the L/UL simulation considering flexible cable and an L/UL ramp by using the
ANSYS/LS-DYNA. In this thesis, the effects of flexible cable and friction force on the dynamic
characteristics and the performances of the L/UL process are studied. Numerical simulation and related
experiments are carried out and compared each other

영어초록

In recent years, the demand for portable digital devices such as cellular phone, digital camera, and
MP3 player has been largely increased. To meet the requirements of such portable applications the
information storage devices with smaller size, higher capacity, and lower power consumption are
needed. A small form factor (SFF) HDD using a load/unload (L/UL) system is one of the appropriate
alternatives to satisfy these requirements. Due to complexity of L/UL process and mechanism, it is
required to investigate for better understanding the effects of design parameters. Among the various
design parameters, flexible cable and friction force on the L/UL ramp become important to the
dynamic characteristics of L/UL process as the system is miniaturized. The program for L/UL
simulation which considers the effect of flexible cable and L/UL ramp is needed. Unfortunately, there
is hardly any commercial program for the L/UL simulation except the Computer Mechanics Laboratory
(CML) air bearing design program and the CML L/UL simulation code. Furthermore, the design
parameters such as flexible cable and the L/UL ramp are not considered in the CML L/UL simulation
code. So we embody the L/UL simulation considering flexible cable and an L/UL ramp by using the
ANSYS/LS-DYNA. In this thesis, the effects of flexible cable and friction force on the dynamic
characteristics and the performances of the L/UL process are studied. Numerical simulation and related
experiments are carried out and compared each other

참고자료

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