Jin Xu, Shihai Yang, Yu Ye, Bozhong Gu. Model prediction of optical infrared telescope servo system in extreme environment[J]. Infrared and Laser Engineering, 2021, 50(12): 20210209
- Infrared and Laser Engineering
- Vol. 50, Issue 12, 20210209 (2021)
Fig. 1. Flow chart of sequence threshold least square method
Fig. 2. Simplified two-mass model
Fig. 3. State change curves under different noise levels
Fig. 4. The curve of determination coefficient
Fig. 5. Principle diagram of system identification experiment
Fig. 6. Square wave input and output signal
Fig. 7. Sine input and output signal
Fig. 8. Output curve of identification system under the input of square wave signal
Fig. 9. Output curve of identification system under the input of sine signal
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Table 1. State change deviation
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