Abstract
The method of SINS alignment with distance-transfer-unit aiding is studied. The SINS/DTU system's observable matrices in different moving bases are obtained by using the method of analyzing the piece-wise constant system. The observabilities of SINS/DTU integration system are analyzed according to the singular-values of the observable matrices. SINS/DTU integration system and SINS/GPS integration system are compared. The simulation results are given. The results indicate that SINS autonomous alignment can be completed by SINS/DTU integration. But the obsevabilities of SINS/DTU integration are slightly less than that of SINS/GPS integration, and the former needs a longer time than the latter in moving base alignment.
| Original language | English |
|---|---|
| Pages (from-to) | 67-70 |
| Number of pages | 4 |
| Journal | Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology |
| Volume | 25 |
| Issue number | 1 |
| Publication status | Published - Jan 2005 |
Keywords
- Initial alignment
- Integration navigation
- Moving base
- Observability
- Strapdown inertial navigation system (SINS)
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