Influence of Steering Angle Profiles on the Orbit Transfer Trajectory | Zendy

Donghun Lee | Zendy; Young-Joo Song | Zendy

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Influence of Steering Angle Profiles on the Orbit Transfer Trajectory

Author(s) -

Donghun Lee,

Young-Joo Song

Publication year - 2021

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2021/2648585

Subject(s) - trajectory , trajectory optimization , thrust , planar , orbit (dynamics) , control theory (sociology) , frame (networking) , transfer (computing) , computer science , reference frame , aerospace engineering , physics , engineering , artificial intelligence , telecommunications , computer graphics (images) , control (management) , astronomy , parallel computing

This paper considers a planar orbit transfer trajectory design problem using finite thrust modeling. In this problem, the steering angles associated with the thrust direction are calculated from the predetermined profile format, and the unknown parameters in the profile are directly optimized. Three profile formats that were implemented in previous lunar exploration missions are considered. In addition, a steering angle profile defined in the rotating frame and the optimal steering angle profile are newly studied to compare the performances. To this end, the direct parameter optimization problem and the indirect optimization problem are formulated, and the characteristics of the steering angle profile and its influence on the transfer trajectory are analyzed.

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