Research Article

Application of Principal Component Analysis-Assisted Neural Networks for the Rotor Blade Load Prediction

Table 5

Comparison of three kinds of RMSE models from four maneuvers for blade loads.

MLR errorBP errorPCA-BP errorPCA-BP to MLR reduced errorPCA-BP to BP reduced error
Maneuver

Hovering9.76%4.53%3.15%6.61%1.38%
Flight forward8.35%4.39%1.56%6.79%2.83%
Left and right turns12.14%5.22%2.80%9.34%2.42%
Symmetric push-pull10.53%3.83%2.31%8.22%1.52%
Average10.20%4.49%2.46%7.74%2.03%