Yu Wang, Qihui Bian, Jun Liao, Tianrong Xu, Tao Tang. Strapdown inertial stabilization technology based on SBG inertial navigation in inertial stabilization gimbal[J]. Opto-Electronic Engineering, 2023, 50(5): 220238
- Opto-Electronic Engineering
- Vol. 50, Issue 5, 220238 (2023)
Fig. 1. Inertial stablization gimbal schematic
Fig. 2. Direct position stabilization block diagram based on SBG
Fig. 3. The rate feedback based on SBG feedback
Fig. 4. Angular rate feedforward block diagram based on gyro
Fig. 5. Strapdown stabilization block diagram based on SBG position
Fig. 6. Dual disturbancetrapdown control block diagram based on SBG
Fig. 7. Inertial stabilization gimbal experimental platform diagram
Fig. 8. Stabilization errors under different disturbance frequencies
Fig. 9. Disturbance suppression frequency response curves
Fig. 10. Stabilization errors and Fourier transform under under different frequency disturbance
Fig. 11. System errors at different disturbance frequencies
Fig. 12. Disturbance suppression frequency response curves
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Table 1. RMS errors of three direct stabilization methods
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Table 2. RMS errors of three direct stabilization methods
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Table 3. Summary of 5 control methods
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