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| Research on Optimal Design of the Glide Trajectory of Space-based Reentry Vehicle Based on Gaussian Pseudo Spectral Method |
| ZHOU Liang1,2，WANG Haoyu3，SHANG Haibin3，CAO Li1,2，LAN Guofeng1,2 |
1.Shanghai Electro-Mechanical Engineering Institute, Shanghai 201109, China;
2.Beijing R&D Center, Shanghai Academy of Spaceflight Technology, Beijing 100081, China;
3.School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China |
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Abstract By using the Gaussian pseudo spectral method, the optimization of the farthest lateral glide trajectory of spacebased reentry vehicles is studied, and aerodynamic modeling methods are proposed for axisymmetric aircraft dynamics models. A Gaussian pseudo spectral method is used to establish a nonlinear optimization problem, and an analytical Jacobian matrix solution method is given. Under various path constraints, the trajectory optimization simulation is performed using the lateral glide distance as the performance index. Simulation results show that this method can effectively solve the optimization of the farthest lateral glide trajectory of spacebased reentry vehicles.
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Received: 28 June 2020
Published: 30 September 2020
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2020, Vol. 3 
