Abstract: The gesture and movement locus of the UAV and parachute system in allusion to the characteristic of the small UAV parachute landing is analysed during the process of the UAV reclaiming.A mathematical model of the aircraft-parachute system is established and simulated analysis is executed according to the analysis of the mechanics relationship of the parachute and the UAV, the simulated result of the reclaiming under the condition without wind is given.The result shows that, the request of the UAV reclaiming is met and the best reclaiming parameter is determined by the system,thereby the best reclaiming locus and gesture is gained.

Key words: Unmanned aerial vehicle, Parachute landing, Recovery, Motion analysis, Simulation