Journal of Systems Engineering and Electronics ›› 2008, Vol. 19 ›› Issue (3): 529-536.
• CONTROL THEORY AND APPLICATION • Previous Articles Next Articles
Li Peng, Cui Hutao & Cui Pingyuan
Online:
Published:
Abstract:
The autonomous "celestial navigation scheme" for deep space probe departing from the earth and the autonomous "optical navigation scheme" for encountering object celestial body are presented. Then, aiming at the conditions that large initial estimation errors and non-Gaussian distribution of state or measurement errors may exist in orbit determination process of the two phases, UPF (unscented particle flter) is introduced into the navigation schemes. By tackling nonlinear and non-Gaussian problems, UPF overcomes the accuracy in uence brought by the traditional EKF (extended Kalman flter), UKF (unscented Kalman flter), and PF (particle flter) schemes in approximate treatment to nonlinear and non-Gaussian state model and measurement model. The numerical simulations demonstrate the feasibility and higher accuracy of the UPF navigation scheme.
Li Peng, Cui Hutao & Cui Pingyuan. UPF based autonomous navigation scheme for deep space probe[J]. Journal of Systems Engineering and Electronics, 2008, 19(3): 529-536.
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