Fig. 1. Structure diagram of photoelectric tracking platform structure

Fig. 2. Control structure of photoelectric tracking system

Fig. 3. DC torque motor model

Fig. 4. Block diagram of single axis control system

Fig. 5. Improved tracking feedforward control flow chart based on sensor fusion prediction

Fig. 6. Image feedback principle of photoelectric tracking system

Fig. 7. Differential calculation status results

Fig. 8. Sensor fusion strategy

Fig. 9. Sensor fusion results

Fig. 10. Control loop with tracking feedforward compensation

Fig. 11. Predicted state curve

Fig. 12. Comparison of prediction and lag angle deviation

Fig. 13. High frequency sampling prediction state deviation error

Fig. 14. Location extension result

Fig. 15. Tracking error simulation results

Fig. 16. Acquisition, tracking, and pointing system experimental platform

Fig. 17. Tracking curve

Fig. 18. Tracking curve and error