Xu WANG, Liang ZHANG, Chengxiang TU, Tingting WANG, Jianyu WANG. Precision Tracking System Based on Non-dominated Sorting Genetic Algorithm II Intelligent Parameter Search[J]. Acta Photonica Sinica, 2022, 51(9): 0906002
- Acta Photonica Sinica
- Vol. 51, Issue 9, 0906002 (2022)
Fig. 1. Schematic of precision tracking system
Fig. 2. NSGA-II algorithm flow
Fig. 3. Open loop bode plot of fine tracking system
Fig. 4. Result of parameter optimization by NSGA-Ⅱ algorithm
Fig. 5. Comparison of error suppression ability of improved control system，traditional and second-order PI systems
Fig. 6. Comparison of error power spectral density between the improved system and the traditional system
Fig. 7. Improved simulation model of precision tracking system
Fig. 8. Schematic of the fine tracking system experiment
Fig. 9. Experiment of an improved precision tracking system
Fig. 10. The measured interference suppression curve of the improved precision tracking system
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Table 1. Comparison of tracking error frequency distribution between improved precision tracking system and traditional system
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Table 2. Comparison of tracking accuracy and interference suppression performance between the improved system and the traditional one
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