NDLI: Design of a new triple electro-magnetic optical image stabilization actuator to compensate for hand trembling

Content Provider	Springer Nature Link
Author	Kim, Choong Song, Myeong Gyu Kim, YoungJun Park, Cheol Park, Kyoung Su Park, Young Pil
Copyright Year	2012
Abstract	Recently, the demand for a new two-axis driving actuator for optical image stabilization (OIS) system has increased in mobile devices such as digital cameras and digital camcorders. In this paper, we proposed a novel OIS actuator with triple electro-magnetic (TEM) circuits and a three-ball supporting mechanism for a digital camcorder and considered the driving force, magnetic spring, and moment equilibrium of the TEM circuits. To design the TEM circuits with the high sensitivity and adequate magnetic spring, the electro-magnetic circuit was improved. At first, a sensitivity analysis was performed using the design of experiment procedure. Based on these results, effective design parameters were selected and an objective function was defined and gradient-based optimization was carried out. Finally, the improved TEM OIS actuator was fabricated for a digital camcorder and the feasibility of the OIS actuator with the TEM circuits and three-ball supporting mechanism was verified and the performance was investigated experimentally. The experimental results indicated that the proposed OIS actuator exhibits sufficient performance with respect to sensitivity.
Starting Page	1323
Ending Page	1334
Page Count	12
File Format	PDF
ISSN	09467076
Journal	Microsystem Technologies
Volume Number	18
Issue Number	9-10
e-ISSN	14321858
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-05-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanical Engineering Electronics and Microelectronics, Instrumentation Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Hardware and Architecture

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