General Periodic Cruise Guidance Optimization for Hypersonic Vehicles
Open Access
- 22 April 2020
- journal article
- research article
- Published by MDPI AG in Applied Sciences
- Vol. 10 (8), 2898
- https://doi.org/10.3390/app10082898
Abstract
Periodic cruise has the potential to improve the fuel efficiency of a hypersonic vehicle. However, the optimization of periodic cruise is very difficult and can only be performed inefficiently through trial-and-error due to the parameterized form. In this paper, we systematically optimized the hypersonic periodic cruise using the pseudo-spectral method (PSM) scheme. We specify the main variables as the given forms of periodic functions and parameterize the periodic guidance. The characteristic parameters can then be considered as augmented states to generate augmented dynamics. Therefore, periodic cruise optimization can be directly obtained by using GPOPS (Gauss Pseudo-spectral OPtimization Software). The numerical results demonstrate the effectiveness of the proposed method. The approach in this case study can be generalized to solve similar trajectory optimization problems that can be parameterized in a unified manner.Funding Information
- National Natural Science Foundation of China (61573197 and 61973175)
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