The 3-D lattice theory of Flower Constellations

被引：43

作者：

Davis, Jeremy J. ^{[1
]}

Avendano, Martin E. ^{[2
]}

Mortari, Daniele ^{[3
]}

机构：

[1] VectorNav Technol LLC, Richardson, TX 75081 USA

[2] Univ Zaragoza, Ctr Univ Def, Zaragoza, Spain

[3] Texas A&M Univ, College Stn, TX 77843 USA

来源：

CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY | 2013年 / 116卷 / 04期

关键词：

Satellites; Constellation design; Lattice flower constellation; Global navigation satellite systems; GNSS constellation; J(2) effect;

D O I：

10.1007/s10569-013-9494-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Flower Constellations (FCs) have been extensively studied for use in optimal constellation design. The Harmonic FCs (HFCs) subset, representing the symmetric configurations, have recently been reformulated into 2-D Lattice Flower Constellations (2D-LFCs), encompassing the complete set of HFCs. Elliptic orbits are generally avoided due to the deleterious effects of Earth's oblateness on the constellation, but here we present a novel concept for avoiding this problem and enabling more effective global coverage utilizing elliptic orbits. This new 3D Lattice Flower Constellations (3D-LFCs) framework generalizes the 2D-LFCs, Walker constellations, elliptical Walker constellations, and many of Draim's global coverage constellations. Previous studies have shown FCs can provide improved performance in global navigation over existing Global Navigation Satellite Systems (GNSS). We found a 3D-LFC design that improved the average positioning accuracy by 3.5 % while reducing launch requirements when compared to the existing Galileo GNSS constellation.

引用

页码：339 / 356

页数：18

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