GPS/VISNAV integrated relative navigation and attitude determination system for ultra-close spacecraft formation flying |
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| Authors: | Xiaoliang Wang Xiaowei Shao Deren Gong Dengping Duan |
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| Affiliation: | Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai 200240, P. R. China |
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| Abstract: | For the improvement of accuracy and better faulttolerant performance, a global position system (GPS)/vision navigation (VISNAV) integrated relative navigation and attitude determination approach is presented for ultra-close spacecraft formation flying. Onboard GPS and VISNAV system are adopted and a federal Kalman filter architecture is used for the total navigation system design. Simulation results indicate that the integrated system can provide a total improvement of relative navigation and attitude estimation performance in accuracy and fault-tolerance. |
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| Keywords: | control and navigation relative navigation federal Kalman filter spacecraft formation flying global position system (GPS) vision navigation (VISNAV) |
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