Active-Disturbances-Rejection-Controller design of super-maneuverable flight based on dynamic inversion

Abstract

By means of active-disturbances-rejection-controller (ADRC) based on compensation of dynamic inversion, a new scheme is proposed to design super-maneuverable flight controller. Firstly, the natural dynamics of aircraft is cancelled out to some extent by using known information of flight model, and then by applying ADRC in the fast and slow variables system to compensate model disturbances and uncertainty, the scheme realizes dynamic decoupling control of fast and slow state variables. Not needing accurate model of controlled object, ADRC is designed directly based on high degree of nonlinearity and uncertainty of aircraft under high-angle-of-attack flight, furthermore, without changing the structure and parameters of controller in big flight envelope, the scheme can simplify the design of flight control system. The simulation results of high-angle-of-attack maneuver in big flight envelope show that close loop system achieves high dynamic performance and robustness performance. The design using ADRC brings a new method to solve the problem of super-maneuverable flight control