Dynamics simulation of MEMS device embedded-hard-disk-drive system

Jiaping Yang; Jie Chai; Boon Baun Lim; Shixin Chen

doi:10.1117/12.462823

19 April 2002 Dynamics simulation of MEMS device embedded-hard-disk-drive system

Jiaping Yang, Jie Chai, Boon Baun Lim, Shixin Chen

Proceedings Volume 4755, Design, Test, Integration, and Packaging of MEMS/MOEMS 2002; (2002) https://doi.org/10.1117/12.462823
Event: Symposium on Design, Test, Integration, and Packaging of MEMS/MOEMS 2002, 2002, Cannes-Mandelieu, France

Abstract

Currently, hard disk drives (HHD) use rotating disks to store digital data and magnetic recording heads are flying on the disk to read/write data. The recording heads are mounted on a slider- suspension assembly, which makes heads move from one track to another on the disk. The heads movement is controlled by close-loop feedback servo system. It is well known that dynamic behaviors of head-slider-suspension-assembly (HSA) system are of great influence on the track per inch capacity of HDD^1,2. As the problem is structurally complex, it is usually investigated using experimental methods or finite element simulation models ³. Furthermore, the dual-stage servo system, that is, a conventional VCM as the primary stage and a MEMS actuator as the secondary stage for MEMS device embedded HAS, has resulted in more difficulties in predicting HDD dynamic performance. This paper presents studies of the problem using macromodeling simulation approach. It applies efficient FEM based sub-structuring synthesis (SSS)⁴ and fast boundary element method (BEM) approaches incorporated with system dynamics technology to investigate dynamic characteristics of MEMS actuator embedded HAS system for HDD.

Citation Download Citation

Jiaping Yang, Jie Chai, Boon Baun Lim, and Shixin Chen "Dynamics simulation of MEMS device embedded-hard-disk-drive system", Proc. SPIE 4755, Design, Test, Integration, and Packaging of MEMS/MOEMS 2002, (19 April 2002); https://doi.org/10.1117/12.462823

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