Reentry Trajectory Optimization Based on Time-Domain Improved Particle Swarm Optimization

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A new time-domain improved PSO algorithm is proposed to solve the problem of reentry trajectory optimization. The approach uses time-domain basis functions fitting the control variables, solves free final time optimal control directly, and sets parameters by using vehicle's dynamic characteristics. Simulation of a reentry vehicle with no-fly zone constraints is used to demonstrate the effectiveness and veracity of algorithm in reentry trajectory optimization. The final condition error is less than 1%.

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482-486

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February 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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