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2003•Journal of AstronauticsRequires access

Design and implementation of autonomous navigation of constellation

Yan Zhang

Open publisher page 2 citations

Abstract

In this paper,design and Implementation of autonomous navigation of constellation using crosslink measurements was studied.In view of high computer cost,the group parallel method was introduced in the design.On the basis of analyzing the characteristics of orbit dynamics of satellite,the means of autonomous navigation combined with geometry method and dynamics method was first put forward,then using configuration of the satellite constellation as a constraint,the whole network adjustment was done.The real ephemeris of GPS was applied to simulation and test,the results demonstrate that the method's accuracy is high enough to satisfy the need of autonomous survive of constellation and the design is feasible.

About this research paper

What this paper is about

In this paper,design and Implementation of autonomous navigation of constellation using crosslink measurements was studied.In view of high computer cost,the group parallel method was introduced in the design.On the basis of analyzing the characteristics of orbit dynamics of satellite,the means of autonomous navigation combined with geometry method and dynamics method was first put forward,then using configuration of the satellite constellation as a constraint,the whole network adjustment was done.The real ephemeris of GPS was applied to simulation and test,the results demonstrate that the method's accuracy is high enough to satisfy the need of autonomous survive of constellation and the design is feasible.

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Available abstract

In this paper,design and Implementation of autonomous navigation of constellation using crosslink measurements was studied.In view of high computer cost,the group parallel method was introduced in the design.On the basis of analyzing the characteristics of orbit dynamics of satellite,the means of autonomous navigation combined with geometry method and dynamics method was first put forward,then using configuration of the satellite constellation as a constraint,the whole network adjustment was done.The real ephemeris of GPS was applied to simulation and test,the results demonstrate that the method's accuracy is high enough to satisfy the need of autonomous survive of constellation and the design is feasible.

Key concepts: Constellation, Ephemeris, Satellite constellation, Computer science, Constraint (computer-aided design), Global Positioning System, Satellite, Satellite navigation

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