Research Article

Autonomous Trajectory Tracking Control for a Large-Scale Unmanned Helicopter under Airflow Influence

Table 2

PID gains and Trim values used in the real flight and HIL simulation test.

Channels and Trim GainsValuesGainsValues

Roll Channel0.60.27
Yaw Channel0.70.6
Pitch Channel1.00.42
Height Channel0.20.2
Longitudinal Channel0.432.0
Latitude Channel0.32.0
Trim(°)Pitch0.8Roll-2.0