Abstract
Based on multi-inertial measuring unit (IMU) data fusion, a method was proposed for deck deformation measurement. The model of deck deformation measurement was developed. The least squares estimation was applied to the analysis of deck deformation. The results show that by processing the output signals of the IMU, it is feasible to estimate the deck deformation, and to decrease the number of IMUs needed in the measurement system. The accuracy of deformation estimation depends on the arrangement of IMUs. The prediction error is less than 0.8 arcmin when the IMUs are arranged reasonably.
| Original language | English |
|---|---|
| Pages (from-to) | 1077-1081 |
| Number of pages | 5 |
| Journal | Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology |
| Volume | 39 |
| Issue number | 9 |
| State | Published - Sep 2006 |
| Externally published | Yes |
Keywords
- Deformation measurement
- Inertial measuring unit
- Least squares estimation
- Uniform attitude reference
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