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

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

Research output: Contribution to journalArticle

22 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 languageEnglish
Article number6227418
Pages (from-to)237-245
Number of pages9
JournalIEEE Transactions on Consumer Electronics
Volume58
Issue number2
DOIs
Publication statusPublished - 2012 Jul 17

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Digital cameras
Fuzzy systems
Image sensors
Controllers
Actuators
Gyroscopes
Hysteresis
Sensors

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Media Technology

Cite this

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Optical image stabilizing system using fuzzy sliding-mode controller for digital cameras. / Li, Tzuu-Hseng S.; Chen, Ching Chang; Su, Yu Te.

In: IEEE Transactions on Consumer Electronics, Vol. 58, No. 2, 6227418, 17.07.2012, p. 237-245.

Research output: Contribution to journalArticle

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