Abstract:

In order to improve the modeling precision of the tilt-rotor aircraft, the rotor aerodynamic force calculation model is established by using a finite state wake model and considering the rotor flapping motion. Considered the effect of the rotor wake on the wing, a wing aerodynamic model is established. For the problem of control redundancy, a mathematical control strategy model is established for the whole flight modes. Finally, the model is verified by the generic tiltrotor aircraft simulation (GTRS) model and flight test data. The simulation results show that the flight dynamics model has good precision and is suitable for analysis of other problems of flight dynamics.