Volume 39 Issue 9
Sep.  2013
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Chen Yu, Zhao Yan, Li Qunsheng, et al. Coning compensation algorithm with angular rate considering gyroscope frequency characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1228-1232. (in Chinese)
Citation: Chen Yu, Zhao Yan, Li Qunsheng, et al. Coning compensation algorithm with angular rate considering gyroscope frequency characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1228-1232. (in Chinese)

Coning compensation algorithm with angular rate considering gyroscope frequency characteristics

  • Received Date: 14 Nov 2012
  • Publish Date: 30 Sep 2013
  • Focusing on the gyroscopes- output is angular rate and has a certain frequency characteristics, a coning compensation algorithm considering the gyroscopes- frequency characteristics with angular rate as input was presented. The ideal and computed rotation vector increment was derived in the attitude update interval under coning motion. The coning compensation algorithm coefficients were computed to minimize the nonperiodic term difference between the ideal and computed rotation vector increment. The optimal coefficients were defined to be the sum of the values that exist for perfect angular rate input and an adjustment that accounts for the frequency characteristics. The formulized approach for the optimal coefficients with arbitrary samples considering frequency characteristics was obtained. Simulation results show that the accuracy of the algorithm can be improved effectively as compared with the conventional ones.

     

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