Table 2.

Taguchi method experiment results.

Experiment	Factor Level (ABCD)	R 2	Normalized Peak Voltage	Score
1	1111	0.98	0.65	1.63
2	1222	0.97	0.43	1.4
3	1321	0.97	1	1.97
4	2121	0.94	0.63	1.57
5	2211	0.91	0.57	1.48
6	2312	0.93	0.56	1.49
7	3122	0.92	0.49	1.41
8	3212	0.93	0.35	1.28
9	3321	0.95	0.83	1.78