Spacecraft formation control strategy on Sun-Earth Lissajous orbit |
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Authors: | Lipeng CuiPingYuan CuiHuTao |
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Affiliation: | Deep Space Exploration Research Center, Harbin Institute of Technology, Harbin 150080, China |
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Abstract: | To carry out the deep space exploration tasks near Sun-Earth Libration point L_2, the CRTBP dynamicmodel was built up and the numerical conditional quasi-periodic orbit(Lissajous orbit)was computed near L_2.Then, a formation controller was designed with linear matrix inequality to overcome the difficulty of parameter tuning. To meet the demands of formation accuracy and present thruster's capability, a threshold scheme was a-dopted for formation control. Finally, some numerical simulations and analysis were completed to demonstrate the feasibility of the proposed control strategy. |
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Keywords: | deep space formation collinear libration point Lissajous orbit linear matrix inequality thresholdcontrol |
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