Optimal design and experimental verification of a magnetically actuated optical image stabilization system for cameras in mobile phones

Chi Wei Chiu; Chang-Po Chao; Nicholas Y.Y. Kao; Fu Kuan Young

doi:10.1063/1.2839782

Optimal design and experimental verification of a magnetically actuated optical image stabilization system for cameras in mobile phones

Chi Wei Chiu, Chang-Po Chao, Nicholas Y.Y. Kao, Fu Kuan Young

National Chiao Tung University

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A novel miniaturized optical image stabilizer (OIS) is proposed, which is installed inside the limited inner space of a mobile phone. The relation between the VCM electromagnetic force inside the OIS and the applied voltage is first established via an equivalent circuit and further validated by a finite element model. Various dimensions of the VCMs are optimized by a genetic algorithm (GA) to maximize sensitivities and also achieving high uniformity of the magnetic flux intensity.

Original language	English
Article number	07F136
Journal	Journal of Applied Physics
Volume	103
Issue number	7
DOIs	https://doi.org/10.1063/1.2839782
State	Published - 21 Apr 2008

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abstract = "A novel miniaturized optical image stabilizer (OIS) is proposed, which is installed inside the limited inner space of a mobile phone. The relation between the VCM electromagnetic force inside the OIS and the applied voltage is first established via an equivalent circuit and further validated by a finite element model. Various dimensions of the VCMs are optimized by a genetic algorithm (GA) to maximize sensitivities and also achieving high uniformity of the magnetic flux intensity.",

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