期刊
INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s42405-023-00684-3
关键词
Path planning; Elliptic orbit; Bezier path; Curvature; Orbital entry point
This paper presents a path planning approach for smooth entry of an aerospace vehicle into a 3D elliptic orbit. The approach utilizes polynomial Bezier curves to connect the given position of the vehicle with the orbit entry point and minimizes the maximum curvature to optimize the smoothness measure.
This paper describes a path planning approach for smooth entry of an aerospace vehicle (ASV) into a 3D elliptic orbit. The generated path represents a polynomial Bezier curve connecting a given position of the ASV with the orbital entry point. Recursive and non-recursive analytical formulas for the last k intermediate control points determining Ck smooth Bezier path are derived. To evaluate the performance of the proposed approach, a practical measure of path smoothness such as path length, average curvature, and maximum curvature is introduced to choose the best entry point on the orbit and the corresponding Bezier path. The simulation results demonstrate that minimizing the maximum curvature yields a path that optimizes the proposed smoothness measure.
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