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Volume 38 Issue 4
Apr.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (4): 478-481,486.
Zhang Xiaoyue, Yang Gongliu, Zhang Chunxiet al. High precision calibration method for three-cluster FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (4): 478-481,486. (in Chinese)
Citation: Zhang Xiaoyue, Yang Gongliu, Zhang Chunxiet al. High precision calibration method for three-cluster FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (4): 478-481,486. (in Chinese)
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High precision calibration method for three-cluster FOG

  • School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 28 Dec 2011
  • Publish Date: 30 Apr 2012
    Abstract
  • For three-cluster fiber optic gyro(FOG), calibration model was defined. The calibration error induced by earth rotation and interference among various parameters was analyzed theoretically. A high precision calibration method was presented, in which every parameter was tested separately, including bias, scale factor and misalignment. The calibration method was applied in a three-cluster FOG strapdown inertial navigation system(SINS), and the calibration result was given out. Error test for calibration result and SINS static test, dynamic test was carried out. The test results show that expected precision both of FOG and system performance have been achieved, the availability and utility of the calibration method are validated.

     

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    • References(6)
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