Research on multi-dimensional heterogeneous compound control method of anti-access aircraft with prescribed performance

For attack and defense confrontation scenarios in near-space, to enhance the maneuverability of the anti-access aircraft in low dynamic pressure environment, a prescribed performance-based multidimensional heterogeneous compound control system is proposed in this paper to meet the precision guidance requirements of fast and high-precision response to overload commands by the synergistic cooperation of direct force and aerodynamic force. Response time and steady state accuracy of the system are designed based on the prescribed performance control theory. Dynamic surface controllers is designed for aero fin to observe and compensate for complex disturbances. For direct forces, a sliding mode controller is designed and applied to achieve rapid tracking to commands. Boundary layers and auxiliary system are introduced to reduce the impact of actuator physical constraints on control performance. The Lyapunov stability proof of compound control system is provided. Simulation results demonstrate that the multidimensional heterogeneous compound control system proposed can not only make the response process of AOA meet the prescribed-performance requirement but also avoid the “tug-of-war” phenomenon of actuators.