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Volume 39 Issue 4
Apr.  2013
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Journal of Beijing University of Aeronautics and Astronautics  > 2013  >  39(4): 521-524,530.
Chen Gang, Zhang Jinbai, Lee Chun-Hianet al. Numerical simulation of external MHD generator on board reentry vehicles[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(2): 135-139. (in Chinese)
Citation: Wang Chenchen, Wang Xinlong. Analysis of error output characteristics of DRLG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(4): 521-524,530. (in Chinese)
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Analysis of error output characteristics of DRLG

  • School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 11 Apr 2012
  • Publish Date: 30 Apr 2013
    Abstract
  • Dither structure is the key part of dithered ring laser gyroscope (DRLG), and the dither parameters directly affect its error output characteristics. In order to choose the best dither parameters and improve the measurement accuracy of this gyroscope, the effects of dither parameters on error output characteristics-bias error, scale factor error and angle random walk error of the gyroscope were analyzed deeply based on the principles of dither bias. The results show that bias error declines with the decrease of the dither magnitude; the scale factor error increases with the increase of magnitude within a certain range, but decreases above the range. Reducing the dither magnitude can reduce the error of angle random walk.

     

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    • References(8)
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