Abstract
This paper presents an autonomous landing navigation and guidance scheme for future asteroid sample return mission. An autonomous navigation scheme based on feature tracking technology is brought out firstly; secondly, desired descent landing trajectories with the initial and terminal constraints are planned in order to achieve arrive-at-time landing on an asteroid; then, two guidance control laws, based on error phase analysis method and PD plus PWPF method respectively, are designed to track reference descent trajectory; finally, the validity of the proposed scheme is confirmed by computer simulation.
| Original language | English |
|---|---|
| Pages (from-to) | 239-247 |
| Number of pages | 9 |
| Journal | Aerospace Science and Technology |
| Volume | 10 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Apr 2006 |
| Externally published | Yes |
Keywords
- Autonomous landing
- Error phase analysis
- Feature tracking
- Navigation and guidance
- PWPF
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