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Volume 42 Issue 11
Nov.  2016
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Journal of Beijing University of Aeronautics and Astronautics  > 2016  >  42(11): 2436-2444.
ZHAO Yulong, REN Yuan, SHEN Huaironget al. Range extension design on superfluid gyroscope based on overlap factor optimization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2436-2444. doi: 10.13700/j.bh.1001-5965.2015.0747(in Chinese)
Citation: ZHAO Yulong, REN Yuan, SHEN Huaironget al. Range extension design on superfluid gyroscope based on overlap factor optimization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2436-2444. doi: 10.13700/j.bh.1001-5965.2015.0747(in Chinese)
shu

Range extension design on superfluid gyroscope based on overlap factor optimization

doi: 10.13700/j.bh.1001-5965.2015.0747
  • 1.

    Department of Graduate Management, Equipment Academy, Beijing 101416, China

  • 2. Department of Space Equipment, Equipment Academy, Beijing 101416, China

  • Received Date: 12 Nov 2015
  • Rev Recd Date: 28 Nov 2015
  • Publish Date: 20 Nov 2016
    Abstract
  • Aimed at the limited range caused by single value interval of amplitude-angular velocity of heat driven double weak link superfluid gyroscope whose working curve is periodic, a superfluid gyroscope range extension method based on overlap factor optimization is proposed. First, on the basis of range limiting mechanism of gyroscope, the amplitude-locking range extension scheme is designed. Second, considering the relationship between hot phase and heating delay, with the concept of overlap factor, a genetic optimization method based on overlap factor is proposed to optimize the gyroscope amplitude-locking control parameter. Through indirect coding the left width of triangle membership function, the fuzzy linear membership function is optimized to find the best parameters of amplitude-locking system under the premise of avoiding adjacent membership function with no overlap or too much overlap. Finally, comparison results between this method and traditional P method show that the film amplitude of superfluid gyroscope can be locked to the expectations quickly and stably by this method, which extend the range of the superfluid gyroscope with measurement accuracy guaranteed.

     

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