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Volume 40 Issue 5
May  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(5): 618-623.
Yang Hui, Zhao Yan, Li Minet al. Design of static balance testing system for coordinator gyro rotation axis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(5): 618-623. doi: 10.13700/j.bh.1001-5965.2013.0367(in Chinese)
Citation: Yang Hui, Zhao Yan, Li Minet al. Design of static balance testing system for coordinator gyro rotation axis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(5): 618-623. doi: 10.13700/j.bh.1001-5965.2013.0367(in Chinese)
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Design of static balance testing system for coordinator gyro rotation axis

doi: 10.13700/j.bh.1001-5965.2013.0367

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

  • Received Date: 27 Jun 2013
  • Publish Date: 20 May 2014
    Abstract
  • A static balance testing system for coordinator gyro rotation axis was desired to do a test about the static unbalance value and distributed position angle. In this system, the measured axis of the coordinator gyro was mounted parallel with the horizontal turntable axis by the direction of the fixture. Measurement and control system drove the turntable turned to 36 lock horns, which was set in advance. Then in every lock angular position, two axes of the coordinator were locked with the servo control signals, and another measured axis was drove to rotate with sine small-angle in the same time. The static unbalance moment was calculated with the multi-cycle integration of the driving current amount. After a round rotation, 36 position values were measured, which were then used to deduce the static unbalance value and the distribution of angular position with least-squares fitting method. Loading test was carried out repeatability. According to the result, the static unbalance measurement precision can reach ±0.25 mN·m and the angular position measurement precision can reach ±2°, which shows that the system has a good performance.

     

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