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Simulation and optimization of an electrostatic microactuator for HDD head positioning

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3 Author(s)
Jabbar, M.A. ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore ; Wenhui Jia ; Jiaping Yang

Dynamic characteristics of a microactuator have been simulated using finite-element numerical analysis. Based on numerical simulations, the response surface method (RSM) is used to optimize the spring parameters for the determination of suitable in-plane and out-of-plane natural frequencies of vibrations. Optimization of designs resulted in reduced voltage supply requirement to drive the recording head, and the reliability of the microactuator has also been enhanced.

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Magnetics, IEEE Transactions on  (Volume:40 ,  Issue: 4 )