TY - JOUR T1 - Obstacle Avoidance Control of Multi-Parafoil Formation Based on Spatial Velocity Vector Method JO - Journal of Aerospace Technology and Management A1 - Chen, Qi A1 - Ding, Xiao Cheng A1 - Wang, Sheng A1 - Zhao, LiKe A1 - Zhao, Min SN - 2175-9146 UL - 10.1590/jatm.v18.1441 VL - 18 Y1 - 2026 PB - Brasil ER -