Volume 39 Issue 9
Sep.  2013
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Zhou Bin, Wang Wei, He Xiaofeiet al. Random error suppression technology of rotating FOG inertial navigation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1203-1207. (in Chinese)
Citation: Zhou Bin, Wang Wei, He Xiaofeiet al. Random error suppression technology of rotating FOG inertial navigation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1203-1207. (in Chinese)

Random error suppression technology of rotating FOG inertial navigation system

  • Received Date: 19 Nov 2012
  • Publish Date: 30 Sep 2013
  • The impact of the gyro constant drift and accelerometer constant bias to the inertial navigation system (INS) can be reduced by rotation modulation technology, but the gyro random drift and noise can not be inhibited. The errors of INS will divergence under action of random disturbances, which affects the long-term ability to navigate. The damping technology to inhibit random error interference was concerned, and a damping rotating fiber optic gyro (FOG) inertial navigation system was presented. Using the damping technology the affect of random noise to navigation system accuracy was suppressed. Simulation results show that the single axis rotating FOG inertial navigation system precision is improved by more than one times with damping technology. When higher precision instrument is adopted, it will be more obvious for suppress effect of random error.

     

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