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In this paper, a radial basis neural network adaptive sliding mode controller (RBF-NN ASMC) for nonlinear electromechanical actuator systems is proposed. The radial basis function neural network (RBF-NN) control algorithm is used to compensate for the friction disturbance torque in the electromechanical actuator system. An adaptive law was used to adjust the weights of the neural network to achieve real-time compensation of friction. The sliding mode controller is designed to suppress the model uncertainty and external disturbance effects of the electromechanical actuator system. The stability of the RBF-NN ASMC is analyzed by Lyapunov's stability theory, and the effectiveness of this method is verified by simulation. The results show that the control strategy not only has a better compensation effect on friction but also has better anti-interference ability, which makes the electromechanical actuator system have better steady-state and dynamic performance.

Friction Compensation Control of Electromechanical Actuator Based on Neural Network Adaptive Sliding Mode