Biomimetic Rotary Tillage Blade Design for Reduced Torque and Energy Requirement

Table 4

Test scheme and result of coded test.

Number		(°)	(rpm)				(N-m)
1	1.25	60°	160	-1	0	-1	23.84
2	1.50	60°	240	0	0	0	18.27
3	1.25	70°	240	-1	1	0	17.55
4	1.25	50°	240	-1	-1	0	17.26
5	1.50	70°	320	0	1	1	22.31
6	1.25	60°	320	-1	0	1	20.56
7	1.50	60°	240	0	0	0	18.33
8	1.75	50°	240	1	-1	0	19.05
9	1.75	60°	160	1	0	-1	25.81
10	1.50	50°	320	0	-1	1	22.06
11	1.50	60°	240	0	0	0	18.21
12	1.75	70°	240	1	1	0	19.33
13	1.50	60°	240	0	0	0	18.44
14	1.50	50°	160	0	-1	-1	24.85
15	1.50	70°	160	0	1	-1	25.51
16	1.50	60°	240	0	0	0	18.31
17	1.75	60°	320	1	0	1	22.58