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2009•Journal of AstronauticsRequires access

On Orbit Control of Spacecrafts with Solar Sail around the Earth-Moon Collinear Libration Point

Lin Liu

Open publisher page 2 citations

Abstract

Collinear libration points of the Earth-Moon system are unstable,so spacecrafts need orbit control to stay around them.Taking large amplitude halo orbits around L1 and L2 points of the Earth-Moon system as an example,orbit control with solar sail was studied.First,low-order analytical solution considering moon's eccentricity and solar radiation was given out,and quasi-periodic orbits in the real solar system based on this analytical solution were computed.Then,two control strategies with solar sail were proposed.One is to change the direction of the solar sail keeping the area fixed,and the other is opposite.Numerical simulations were made.At last,the effects of measurement and control error were studied,along with effects of earth's and moon's shadows.

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What this paper is about

Collinear libration points of the Earth-Moon system are unstable,so spacecrafts need orbit control to stay around them.Taking large amplitude halo orbits around L1 and L2 points of the Earth-Moon system as an example,orbit control with solar sail was studied.First,low-order analytical solution considering moon's eccentricity and solar radiation was given out,and quasi-periodic orbits in the real solar system based on this analytical solution were computed.Then,two control strategies with solar sail were proposed.One is to change the direction of the solar sail keeping the area fixed,and the other is opposite.Numerical simulations were made.At last,the effects of measurement and control error were studied,along with effects of earth's and moon's shadows.

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Available abstract

Collinear libration points of the Earth-Moon system are unstable,so spacecrafts need orbit control to stay around them.Taking large amplitude halo orbits around L1 and L2 points of the Earth-Moon system as an example,orbit control with solar sail was studied.First,low-order analytical solution considering moon's eccentricity and solar radiation was given out,and quasi-periodic orbits in the real solar system based on this analytical solution were computed.Then,two control strategies with solar sail were proposed.One is to change the direction of the solar sail keeping the area fixed,and the other is opposite.Numerical simulations were made.At last,the effects of measurement and control error were studied,along with effects of earth's and moon's shadows.

Key concepts: Solar sail, Halo orbit, Libration (molecule), Eccentricity (behavior), Spacecraft, Orbit (dynamics), Lagrangian point, Physics

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On Orbit Control of Spacecrafts with Solar Sail around the Earth-Moon Collinear Libration Point — Research Paper | ScholarLens