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Volume 42 Issue 9
Sep.  2016
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Journal of Beijing University of Aeronautics and Astronautics  > 2016  >  42(9): 1827-1835.
YUAN Mei, HE Yiqiang, NIU Ben, et al. Aircraft fuel volume calculation technique in state of variable velocity and attitude[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(9): 1827-1835. doi: 10.13700/j.bh.1001-5965.2015.0553(in Chinese)
Citation: YUAN Mei, HE Yiqiang, NIU Ben, et al. Aircraft fuel volume calculation technique in state of variable velocity and attitude[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(9): 1827-1835. doi: 10.13700/j.bh.1001-5965.2015.0553(in Chinese)
shu

Aircraft fuel volume calculation technique in state of variable velocity and attitude

doi: 10.13700/j.bh.1001-5965.2015.0553
  • 1.

    School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. Collaborative Innovation Center for Advanced Aero-Engine, Beijing 10008

  • 3. Aviation Science and Technology National Laboratory(Preparation), Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 28 Aug 2015
  • Publish Date: 20 Sep 2016
    Abstract
  • To accurately measure remaining fuel in irregular tank, the adaptive step size cutting method (ASCM) which is used to build fuel quantity database is presented based on traditional look-up table and interpolation method. With the help of equivalent sensor, the method has integrated outputs of multi-sensor under different attitude. The method adjusts step size depending on the change rate of cross-sectional area to minimize interpolation error in fuel volume calculation. With multi-sensor's outputs to fit fuel surface by least mean square(LMS) method. When valid output is less, equivalent surface attitude angles are taken to fit fuel surface. It eliminates influence on fuel surface caused by acceleration. Three-dimensional look-up table interpolation method is improved to minimize deviation caused by attitude angle. Fuel volume calculation software is programmed with UG development kits. A number of CAD simulations with actual tank model are done. The results suggest that the method has compressed database size, accelerated calculation speed, corrected deviation resulting from acceleration and attitude, and reduced interpolation error. Thus, fuel measurement accuracy is improved.

     

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