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Accurate fixed-point non-destructive recovery technology is the key technology to restrict fixed-wing UAV to ship and to adapt to complex areas. As a new recovery method, the rope hook recovery has the advantages of simple form and high recovery efficiency, but also has the defects of high overload and uncontrollable recovery process. In order to make up for this defect, the control is introduced into the rope hook recovery system. Then dynamics model of the recovery of the UAV's rope hook with passive and active control were established. The optimal control of the recovery system of the UAV's rope hook with active control is solved based on the Gauss pseudospectral method. The results show that the recovery system with active control has the advantages of rapid recovery and stable overload compared with the passive recovery system.
Inspec keywords: autonomous aerial vehicles; optimal control; aerospace components
Subjects: Optimal control; Mobile robots; Aerospace control; Data security; Optimisation techniques; Combinatorial mathematics; Interpolation and function approximation (numerical analysis)