Abstract
The guidance and control of net-recovery UAV based on airborne electro-optical vision guidance are proposed, because of disadvantages of the low precision, security and the dependence of data link in general recovery approaches. Optical visual guidance system is installed on the UAV, which can provide line of sight angle information for the net-recovery flight. In order to make UAV recover precisely along the expected glide path, guidance and control with line-of-sight angle of the net-recovery UAV was raised, designing strong anti-jamming control structure. Direct force control was adopted in the longitudinal control of the net-recovery UAV, increasing the agility of control. Dynamic parameter adjustment of control law based on the distance between the UAV and net was designed, which guaranteed the stability of whole recovery process. The aircraft recovery simulation of verified the guidance plan and the precision of small net-recovery UAV control.
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