The ADRC design for UAV longitudinal channel and its parameter optimization based on ACO

The auto disturbances rejection controller (ADRC) will be applied to the design of longitudinal control channel for unmanned aerial vehicle (UAV). Ant colony optimization is applied to the parameter optimization of auto disturbances rejection controller which dose not depend on the experience of human heavily, whose basic principle is introduced in this paper as well, then it improve the efficiency of parameter optimization. Without changing the structure and parameters of auto disturbances rejection controller, the auto disturbances rejection controller is used in two kinds of flight states and the interference is added in one state. Simulation results show that the controller has strong robustness and anti-interference and the control system has good control performance.