Flight Attitude Control of an Electric Vertical Takeoff and Landing with Flexible Frame

Abstract

The stability problem of an Electric Vertical Takeoff and Landing (eVTOL) aircraft with flexible frame is investigated in this paper. A spring damping model is adopted to describe the deformation of the frame of eVTOL, where modeling and parameter uncertainties are considered. Based on the L1 output feedback algorithm, an adaptive controller is proposed to augment the stability of the eVTOL system. Numerical simulation is conducted to illustrate the effectiveness and feasibility of the theoretical results.