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Volume 40 Issue 9
Sep.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(9): 1281-1290.
Guo Haifeng, Huang Changqiang, Ding Dali, et al. Trajectory optimization for hypersonic gliding vehicle considering stochastic disturbance[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1281-1290. doi: 10.13700/j.bh.1001-5965.2013.0755(in Chinese)
Citation: Guo Haifeng, Huang Changqiang, Ding Dali, et al. Trajectory optimization for hypersonic gliding vehicle considering stochastic disturbance[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1281-1290. doi: 10.13700/j.bh.1001-5965.2013.0755(in Chinese)
shu

Trajectory optimization for hypersonic gliding vehicle considering stochastic disturbance

doi: 10.13700/j.bh.1001-5965.2013.0755

  • Aeronautics and Astronautics Engineering College, Air force Engineering University, Xi'an 710038, China

  • Received Date: 10 Jan 2014
  • Publish Date: 20 Sep 2014
    Abstract
  • To solve the problem of the reentry trajectory optimization for the hypersonic gliding vehicle with stochastic disturbance, the numerical method of trajectory optimization based on the generalized polynomial chaos was put forward. The sampling space was formed by the sampling of stochastic variable using generalized polynomial chaos. The space of the observations came into being after putting every sampling value into solving the problem of the deterministic trajectory optimization iteratively. The expected value, variance and covariance were computed and the outputs were approximated. The simulation of maximizing the downrange angle of the reentry trajectory optimization for the hypersonic gliding vehicle with stochastic disturbance was carried out based on this method. The results of the simulation indicate that the method could solve the problem of trajectory optimization with stochastic disturbance, and the computational efficiency was improved greatly contrasted with the Monte Carlo method.

     

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