Research Article
Robust Predictive Functional Control for Flight Vehicles Based on Nonlinear Disturbance Observer
Figure 5
Simulation responses under the four controllers and the estimate performance of the NDO with measurement noise in the case of negative uncertainties and disturbances.
| (a) Angle of attack (deg) |
| (b) Lumped disturbance d1 (deg/s) |
| (c) Pitch rate (deg/s) |
| (d) Lumped disturbance d2 (deg/s2) |
| (e) Rudder deflection (deg) |
| (f) Lumped disturbance d3 (deg/s) |
| (g) Control command (deg) |
| (h) Control command (partial section) (deg) |