NDLI: Optimal soft lunar landing based on differential evolution

Content Provider	IEEE Xplore Digital Library
Author	Songtao Chang Yongji Wang Xing Wei
Copyright Year	2013
Description	Author affiliation: Dept. of Control Sci. & Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China (Songtao Chang; Yongji Wang; Xing Wei)
Abstract	Soft lunar landing optimization is a complex optimal control problem. Applying polynomial interpolation, control curves are expressed by N parameters which represent ordinates at N-Order Chebyshev polynomial's roots. The states of the problem are determined by numerical integration. Then, the problem is translated to a nonlinear programming problem(NLP) whose decision vector is the parameters of the interpolation polynomials. It is solved by an efficient stochastic algorithm-differential evolution(DE) incorporated with constraints processing method. The algorithm is convenient to implement due to only a few parameters need to be set. In order to evaluate the algorithm, a scenario simulation is given. The results are compared with a direct transcription method in literature, and it shows that the solution of our algorithm is comparable to the counterpart.
Sponsorship	Ind. Electron. Soc.
Starting Page	152
Ending Page	156
File Size	213231
Page Count	5
File Format	PDF
ISBN	9781467345675
e-ISBN	9781467345699
e-ISBN	9781467345682
DOI	10.1109/ICIT.2013.6505664
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-02-25
Publisher Place	South Africa
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Moon Vectors Optimization Chebyshev approximation Interpolation Trajectory Sociology
Content Type	Text
Resource Type	Article

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