Title :
Flight Control of Unpowered Flying Vehicle Based on Robust Dynamic Inversion
Author :
Zhiping Liu ; Fengqi Zhou ; Jun Zhou
Author_Institution :
Coll. of Astronaut., Northwestern Polytech. Univ., Xi´an, China
Abstract :
In this paper, a robust nonlinear dynamic inversion (NDI) control law is proposed for the attitude tracking of the unpowered flying vehicle, which is a highly nonlinear strong coupled and time-varying system. Furthermore uncertainties such as inertia uncertainty and aerodynamic moment uncertainty are taken into consideration. Then the modified proportional navigation guidance (PNG) law is derived, which is based on the sliding mode control theory. Finally we demonstrate the validity of the proposed control law and guidance law by six-degree-of-freedom (6-DOF) simulation.
Keywords :
attitude control; inertial navigation; inverse problems; nonlinear control systems; proportional control; robust control; time-varying systems; uncertain systems; variable structure systems; aerodynamic moment uncertainty; attitude tracking; flight control; guidance law; inertia uncertainty; nonlinear system; proportional navigation guidance; robust nonlinear dynamic inversion control; sliding mode control; time-varying system; unpowered flying vehicle; Aerodynamics; Aerospace control; Control systems; Navigation; Nonlinear control systems; Nonlinear dynamical systems; Robust control; Sliding mode control; Uncertainty; Vehicle dynamics; Dynamic inversion; Nonlinear system; Proportional navigation guidance; Unpowered flying vehicle;
Conference_Titel :
Control Conference, 2006. CCC 2006. Chinese
Conference_Location :
Harbin
Print_ISBN :
7-81077-802-1
DOI :
10.1109/CHICC.2006.280702
