| 试验编号
Test number |
排肥量/g
Fertilizer discharging volume |
变异系数/%
Coefficient of variation |
|||
| 1 | 2 | 3 | 均值
Mean |
||
| 1 | 8.32 | 8.74 | 7.95 | 8.34 | 4.74 |
| 2 | 8.65 | 8.15 | 7.94 | 8.25 | 4.42 |
| 3 | 7.62 | 8.20 | 9.05 | 8.29 | 8.71 |
| 4 | 7.65 | 7.94 | 8.46 | 8.02 | 5.09 |
| 5 | 7.72 | 8.95 | 8.11 | 8.26 | 7.62 |
| 均值 Mean | 7.99 | 8.40 | 8.30 | 8.23 | 6.12 |
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排肥稳定性对比验证试验结果
本文全文表格
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试验因素及水平编码表
编码值
Code value因素 Factor 开度/mm
Opening (x1)转速/(r·min−1)
Rotational speed (x2)γ(1.414) 35.0 59.5 1 31.3 53.0 0 22.5 38.0 −1 13.7 23.0 −γ(−1.414) 10.0 16.5 -
正交试验方案及结果1)
试验编号
Test
number试验因素
Experimental factor排肥稳定性变异系数/%
Coefficient of variation of
fertilization stabilityx1 x2 1 22.5 38.0 2.47 2 31.3 53.0 1.89 3 35.0 38.0 1.85 4 22.5 38.0 2.53 5 31.3 23.0 3.21 6 22.5 16.5 3.38 7 22.5 59.5 2.47 8 13.7 23.0 2.62 9 22.5 38.0 2.31 10 13.7 53.0 2.59 11 22.5 38.0 2.45 12 10.0 38.0 2.43 13 22.5 38.0 2.31 1) x1、x2分别表示排肥器开度和排肥轴转速
1)x1、x2 indicated opening degree of fertilizer discharging device and rotational speed of the fertilizer discharging shaft -
方差分析表1)
变异来源
Variance
source平方和
Sum of
squares自由度
Degree of
freedomF P 模型 Model 2.080 5 25.70 0.0002 x1 0.110 1 6.71 0.0359 x2 0.960 1 59.10 0.0001 x1x2 0.420 1 25.73 0.0014 x12 0.098 1 6.05 0.0434 x22 0.430 1 26.68 0.0013 残差 Residual 0.110 1 失拟项 Lack of fit 0.074 3 2.48 0.2000 纯误差 Pure error 0.040 4 总和 Sum 2.190 12 1) x1、x2分别表示排肥器开度和排肥轴转速
1)x1、x2 indicated opening degree of fertilizer discharging device and rotational speed of the fertilizer discharging shaft -
最优条件验证试验结果
试验编号
Test number排肥量/g
Fertilizer discharging volume排肥稳定性变异系数/%
Coefficient of variation of
fertilization stability变异系数相对误差/%
Relative error of coefficient
of variation1 2 3 均值
Mean1 60.22 61.56 60.59 61.46 1.93 4.89 2 60.36 62.64 61.15 61.45 1.89 2.71 3 62.34 60.15 61.49 61.33 1.80 2.17 4 61.06 62.40 63.23 62.23 1.76 4.43 5 61.54 63.75 62.15 62.48 1.83 0.54 均值 Mean 61.10 62.10 61.72 61.79 1.84 2.95 -
排肥稳定性对比验证试验结果
试验编号
Test number排肥量/g
Fertilizer discharging volume变异系数/%
Coefficient of variation1 2 3 均值
Mean1 8.32 8.74 7.95 8.34 4.74 2 8.65 8.15 7.94 8.25 4.42 3 7.62 8.20 9.05 8.29 8.71 4 7.65 7.94 8.46 8.02 5.09 5 7.72 8.95 8.11 8.26 7.62 均值 Mean 7.99 8.40 8.30 8.23 6.12
