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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): 437-441.
Tang Peng, Zhang Shuguang, Jiang Zaiminget al. Partial-jet-borne flight LQG/LTR robust controller design[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(06): 653-657. (in Chinese)
Citation: Ren Yan, Fang Jiancheng, Xu Duanet al. Anti-vibration design and real-time filter methods for FOG IMU used in helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(4): 437-441. (in Chinese)
shu

Anti-vibration design and real-time filter methods for FOG IMU used in helicopter

  • 1.

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

  • 2. Beijing Aeronautical Technology Research Center, Beijing 100076, China

  • Received Date: 30 Aug 2012
  • Publish Date: 30 Apr 2013
    Abstract
  • The bias error, nonlinear, non-gauss noise, and more arithmetic error of inertial navigation system was caused by vibration. It was a key technology to restrain the error caused by disturbance vibration. A novel method, which combining anti-vibrator and data filtering was proposed. A kinetics model of anti-vibration system for fiber optic gyroscope (FOG) inertial measurement unit (IMU) was established. The anti-vibration system can implement multi-dimension uncoupled, and eliminate vibration disturbance resource. A real-time filter method with little time delay was designed to restrain the resonance disturbance caused by anti-vibrator and random noise, and then reduce the arithmetic error. The experimental results show that the proposed method can effectively restrain disturbance vibration, reduce noise and navigation error, and help to develop a high-power head and orientation measurement system.

     

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    • References(12)
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