An quantitative method for observability analysis and its application in SINS calibration

Y Liang, L Han, X Dong, Q Li, Z Ren - Aerospace Science and Technology, 2020 - Elsevier
In the strapdown inertial navigation system (SINS) calibration, the observability of SINS error
states has significant impacts on calibration results. In order to analyze the observability of …

Spacecraft Celestial Navigation Method Based on Laser Ranging Auxiliary

D Li, X Gao, Z Jin, P Dan, S Sun, A Wang - International Conference On …, 2023 - Springer
The method of pure angle observation has serious nonlinearity in celestial navigation
system, the angle measurement error is converted to a large distance error, which caused …

Solar-direct/planet-reflected light TDOA estimation method against time dispersion effects

J Liu, X Ning, X Chen, Z Kang - Optik, 2021 - Elsevier
Abstract The solar TDOA (Time Difference of Arrival) navigation is on the status of feasibility
research. The goal of this paper is to analyze its feasibility from the perspective of the …

Observability quantification for linear stochastic system and its application in state estimation

T Xin, Y Liang, X Dong, S Hu, Q Li… - 2020 Chinese …, 2020 - ieeexplore.ieee.org
This paper presents a method for quantitatively evaluating the observability of linear
stochastic systems and pre-evaluating the accuracy of state estimations. In this method …