Application of Artificial Neural Network for Damage Detection in Planetary Gearbox of Wind Turbine

Table 1

Regression parameters a and b for PP feature.

Number of segment	Regression as a function of load		Regression as a function of speed
	1		−0.0003		0.0029
2		0.0430		0.0239
3		0.0697		0.0898
4		0.1115		0.1817
5		0.1173		0.1861
6		0.1326		0.2387
7		0.1394		0.2648
8		0.1403		0.2510
9		0.1554		0.2474
10		0.1652		0.2422
11		0.1922		0.2892
12		0.2298		0.3566
13		0.2496		0.3802
14		0.2664		0.4148
15		0.2748		0.4091
16		0.2629		0.4069
17		0.2471		0.4122
18		0.2261		0.3680