@article{chen_ding_wang_zhao_zhao_2026,  title={Obstacle Avoidance Control of Multi-Parafoil Formation Based on Spatial Velocity Vector Method},  volume={18},  ISSN={2175-9146},  url={https://doi.org/10.1590/jatm.v18.1441},  DOI={10.1590/jatm.v18.1441},  journal={Journal of Aerospace Technology and Management},  publisher={Departamento de Ciência e Tecnologia Aeroespacial},  author={Chen, Qi and Ding, Xiao Cheng and Wang, Sheng and Zhao, LiKe and Zhao, Min},  year={2026},  pages={e3226} }