Active collision avoidance maneuver under constant thrust |
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Authors: | Yongqiang Qi Yingmin Jia |
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Affiliation: | The Seventh Research Division Beihang University, 37 Xueyuan Rd, Haidian District, Beijing 100191, China |
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Abstract: | In this paper, the relative position parameters of the target spacecraft are obtained by using the vision measurement and the target maneuver positions are calculated through the isochronous interpolation method. Furthermore, new switch control laws under constant thrust are designed for active collision avoidance maneuver of the chaser along a specified trajectory. The switch control laws are obtained based on the acceleration sequences and the working times of thrusters in three axes which can be respectively computed by the time series analysis method. The perturbations and fuel consumptions are addressed during the computation of the working times. |
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Keywords: | Active collision avoidance maneuver Collision possibility Constant thrust Switch control laws |
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