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Journal of Projectiles, Rockets, Missiles and Guidance >

2018 , Vol. 38 >Issue 1: 125 - 131

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2018.01.029

Reentry Trajectory Optimization of Aircraft Based on Detection Point Pseudospectral Method

  • ZHANG Guanghao ,
  • LI Zhenhua ,
  • LIU Gang
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  • Department of Space Engineering, Rocket Force University of Engineering, Xi'an 710025, China

Received date: 2017-05-18

  Online published: 2025-05-28

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Abstract

In the process of reentry trajectory optimization of gliding hypersonic vehicle, a pseudospectral method based on adaptive detection point was proposed to solve the problem of the violation of the constraint of no-fly zone between adjacent distribution points. According to the maximum permissible error, firstly, the method used a two channel optimization strategy to adjust the number of discrete sub intervals and the number of the matching points in the interval, and then the adaptive setting of detection points was carried out according to the strength of the constraints of no-fly zone and the optimal control problem was discretized on the matching point and the detection point. Finally, the result was obtained by nonlinear programming. The simulation results show that the algorithm has high computational efficiency and accuracy, and has a certain robustness.

Key words： detection point; trajectory optimization; adaptive pseudospectral method; hypersonic aerocraft; no-fly zone

Cite this article

ZHANG Guanghao , LI Zhenhua , LIU Gang . Reentry Trajectory Optimization of Aircraft Based on Detection Point Pseudospectral Method[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2018 , 38(1) : 125 -131 . DOI: 10.15892/j.cnki.djzdxb.2018.01.029

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