Constant thrust collision avoidance maneuver under thruster failure |
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Authors: | Yongqiang Qi Yingmin Jia |
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Institution: | The Seventh Research Division, Beihang University (BUAA), 37 Xueyuan Rd., Haidian District, Beijing 100191, China |
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Abstract: | In this paper, the collision avoidance maneuver under the chaser’s thruster failure in radial direction is investigated. First, based on the vision measurement, the relative position parameters of the target spacecraft are obtained and the target maneuvre positions are calculated through the isochronous interpolation method. Then, by using coupling effects, the thrusters working time intervals can be computed by the time series analysis method. The perturbations and fuel consumptions are addressed during the computation of the thrusters working time intervals. Next, the switching control law under constant thrust is designed for active collision avoidance maneuvres along a specified trajectory. |
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Keywords: | Collision avoidance maneuver Collision possibility Constant thrust Switching control law Thruster failure |
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