Simulation Analysis on the Problem of Opening Main Parachute Used in UAV Recovery System

Kun Ming Du

doi:10.4028/www.scientific.net/AMM.390.57

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CFD Analysis of a Hypersonic Vehicle Powered by Triple-Module Scramjets
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A Novel Expression for the Effective Viscosity to Model Squeeze-Film Damping at Low Pressure
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 390Simulation Analysis on the Problem of Opening Main...

Simulation Analysis on the Problem of Opening Main Parachute Used in UAV Recovery System

Abstract:

The paper introduces simulation model of a certain kind UAVs recovery procedure by using Matlab/Simulink software. The problem of time point to open main parachute (t_m) in this UAV Recovery System is analyzed by simulation results of this model, and a series of meaningful conclusion is drawn. When recovery system works while UAV is flying steadily, t_m becomes earlier as velocity increases, and later as pitch angle increases. t_m is earliest when relieve drag parachute reefing at the time when control subsystem stops working. Larger the drag characteristics of the fully opened drag parachute is, earlier t_m is, and larger the drag characteristics of the reefing opened drag parachute is, later t_m is. These results are benefit for UAV recovery system design of this kind.

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Periodical:

Applied Mechanics and Materials (Volume 390)

Pages:

57-61

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.390.57

Citation:

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Online since:

August 2013

Authors:

Kun Ming Du

Keywords:

Parachute, Recovery, Simulation, UAV

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