Optical/radio/pulsars integrated navigation for Mars orbiter |
| |
Authors: | Long Gu Xiuqiang Jiang Shuang Li Wendan Li |
| |
Institution: | College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;Advanced Space Technology Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
| |
Abstract: | In this paper, we address the issue of the integrated navigation algorithm with different combination of measurements for Mars orbiter. First, system dynamic model and navigation measurement models using optical measurement information, radio measurement information and X-ray pulsars measurement information are respectively established. Second, optical/radio/pulsars integrated navigation algorithm is proposed, and observability analysis of the integrated navigation system is also conducted. Third, adaptive extended Kalman filter is adopted to fuse measurement information and suppress measurement and process noise to optimally estimate the state of Mars orbiter. Monte Carlo simulation results show that optical/radio/pulsars integrated navigation can effectively improve the navigation accuracy and satisfy the navigation requirements of Mars orbiter. |
| |
Keywords: | Mars orbiter Integrated navigation Optical measurement Radio measurement X-ray pulsars measurement Adaptive extended Kalman filter |
本文献已被 ScienceDirect 等数据库收录! |
|