Fig. 1. Signal connection diagram of the entire servo system

Fig. 2. Servo control board hardware and memristor simulation

Fig. 3. Neural network sliding mode adaptive controller structure based on memristor

Fig. 4. Simulink model

Fig. 5. Simulation of basic neural network sliding mode control aigorithm

Fig. 6. Estimation of f(x) using basic neural networks

Fig. 7. Simulation of improved neural network adaptive sliding mode variable structure control algorithm

Fig. 8. Online estimation of f(x) using neural network adaptive sliding mode variable structure control algorithm

Fig. 9. Comparison of accuracy between conventional sliding mode control algorithms and neural network adaptive sliding mode control algorithms

Fig. 10. Optoelectronic pod experimental testing equipment，which is mounted on a swing platform to test stable accuracy scenarios

Fig. 11. The effect of optoelectronic pod tracking drones in an outfield testing environment

Fig. 12. Actual tracking error of unmanned aerial vehicle miss distance in photoelectric pod