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5 March 2018 Design of all-weather celestial navigation system
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Proceedings Volume 10710, Young Scientists Forum 2017; 107101S (2018)
Event: Young Scientists Forum 2017, 2017, Shanghai, China
In order to realize autonomous navigation in the atmosphere, an all-weather celestial navigation system is designed. The research of celestial navigation system include discrimination method of comentropy and the adaptive navigation algorithm based on the P value. The discrimination method of comentropy is studied to realize the independent switching of two celestial navigation modes, starlight and radio. Finally, an adaptive filtering algorithm based on P value is proposed, which can greatly improve the disturbance rejection capability of the system. The experimental results show that the accuracy of the three axis attitude is better than 10″, and it can work all weather. In perturbation environment, the position accuracy of the integrated navigation system can be increased 20% comparing with the traditional method. It basically meets the requirements of the all-weather celestial navigation system, and it has the ability of stability, reliability, high accuracy and strong anti-interference.
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Hongchi Sun, Rongjun Mu, Huajun Du, and Peng Wu "Design of all-weather celestial navigation system", Proc. SPIE 10710, Young Scientists Forum 2017, 107101S (5 March 2018);

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