Optical image stabilizing system using fuzzy sliding-mode controller for digital cameras

Tzuu-Hseng S. Li; Ching Chang Chen; Yu Te Su

doi:10.1109/TCE.2012.6227418

Optical image stabilizing system using fuzzy sliding-mode controller for digital cameras

Tzuu-Hseng S. Li, Ching Chang Chen, Yu Te Su

Department of Electrical Engineering

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

31 Citations (Scopus)

Abstract

An optical image stabilizing (OIS) system using fuzzy sliding-mode controller (FSMC) is presented in this research. The OIS system shifts the image sensor to correct the deviation from the optical path caused by a user's handshake vibration. The voice coil motors (VCM) was adopted to drive the OIS module which bears the image sensor, a gyroscope was used to detect the hand-shake vibration, and two single-axis hall sensors were designed to sense the position of the VCM actuators. The proposed FSMC overcomes the nonlinear, hysteresis, and time-varying properties of the VCM actuator efficiently. The stabilizing performance was demonstrated by digital photographs taken under different test conditions.

Original language	English
Article number	6227418
Pages (from-to)	237-245
Number of pages	9
Journal	IEEE Transactions on Consumer Electronics
Volume	58
Issue number	2
DOIs	https://doi.org/10.1109/TCE.2012.6227418
Publication status	Published - 2012 Jul 17

All Science Journal Classification (ASJC) codes

Media Technology
Electrical and Electronic Engineering

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Optical image stabilizing system using fuzzy sliding-mode controller for digital cameras

Abstract

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