Abstract
Based on theories of H-infinity filter and sigma point transformation, a sigma point H-infinity filter method is proposed. The error model of marine strapdown inertial navigation system on the swaying base is nonlinear, whereas the azimuth angle is large. Because during the deduct of the error model higher order terms are neglected, and the practical noises are non-Gaussian, the sigma point H-infinity filter is more robustness and also improves the accuracy, compared with the unscented Kalman filter. In order to obtain a better result, a sigma point smoother is proposed. The simulation results show that the sigma point H-infinity filter is a very effective estimation method with colored noise.
| Original language | English |
|---|---|
| Title of host publication | ICSPS 2010 - Proceedings of the 2010 2nd International Conference on Signal Processing Systems |
| Pages | V1580-V1584 |
| DOIs | |
| Publication status | Published - 2010 |
| Event | 2010 2nd International Conference on Signal Processing Systems, ICSPS 2010 - Dalian, China Duration: 5 Jul 2010 → 7 Jul 2010 |
Publication series
| Name | ICSPS 2010 - Proceedings of the 2010 2nd International Conference on Signal Processing Systems |
|---|---|
| Volume | 1 |
Conference
| Conference | 2010 2nd International Conference on Signal Processing Systems, ICSPS 2010 |
|---|---|
| Country/Territory | China |
| City | Dalian |
| Period | 5/07/10 → 7/07/10 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- H-infinity filter
- Initial alignment
- Sigma point smoother
- Sigma point transformation
- Unscented Kalman filter
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