Experimental Study of a 4HLB-4 Half-Feed Four-Row Peanut Combine Harvester
Abstract
:1. Introduction
2. Materials and Methods
2.1. Overall Structure and Technological Process
2.2. Key Operating Components
2.2.1. Plant Clamping and Pulling Conveying Device
2.2.2. Peanut-Picking Device
2.2.3. Cleaning Device
2.3. Test Methods and Evaluation Indices
2.3.1. Experimental Conditions
2.3.2. Experimental Methodology
2.3.3. Evaluation Indicators
- (1)
- Impurity rate
- (2)
- Loss rate
3. Results
3.1. Single-Factor Tests
3.2. Multifactor Tests
3.2.1. Experimental Protocol and Results
3.2.2. Analysis of Results
- (1)
- Establishment and significance test of the regression model of the impurity rate Y1
- (2)
- Establishment and significance test of the regression model of the loss rate Y2
3.2.3. Multi-Objective Parameter Synthesis, Optimization, and Analysis
3.2.4. Experimental Validation
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Factors | Test Level | Other Parameters | |||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||
v (m·s−1) | 0.6 | 0.9 | 1.2 | 1.5 | H = 190, r = 500, f = 600 |
H (mm) | 160 | 190 | 220 | 250 | v = 0.9, r = 500, f = 600 |
r (rpm) | 350 | 450 | 550 | 650 | v = 0.9, H = 190, f = 600 |
f (cpm) | 400 | 500 | 600 | 700 | v = 0.9, H = 190, r = 500 |
Factors | Code | Test Level | ||
---|---|---|---|---|
−1 | 0 | 1 | ||
v (m·s−1) | X1 | 0.7 | 1.0 | 1.3 |
H (mm) | X2 | 160 | 200 | 240 |
r (rpm) | X3 | 400 | 500 | 600 |
f (cpm) | X4 | 500 | 600 | 700 |
No. | Levels | Response Values | ||||
---|---|---|---|---|---|---|
Forward Speed X1 | Clamping Height X2 | Peanut Picking Roller Rotational Speed X3 | Cleaning Sieve Vibrational Frequency X4 | Impurity Rate Y1 (%) | Loss Rate Y2 (%) | |
1 | −1 | −1 | 0 | 0 | 2.96 | 2.11 |
2 | −1 | 1 | 0 | 0 | 3.33 | 2.62 |
3 | −1 | 0 | 1 | 0 | 3.08 | 1.81 |
4 | 0 | 1 | 1 | 0 | 4.12 | 2.43 |
5 | 0 | 0 | 0 | 0 | 2.54 | 1.97 |
6 | 0 | 1 | −1 | 0 | 3.14 | 3.42 |
7 | −1 | 0 | 0 | 1 | 2.81 | 2.54 |
8 | 0 | 0 | −1 | −1 | 3.78 | 3.18 |
9 | 0 | −1 | −1 | 0 | 3.15 | 2.84 |
10 | 1 | 0 | 0 | −1 | 3.87 | 3.05 |
11 | 0 | 0 | 0 | 0 | 2.61 | 2.08 |
12 | 0 | 1 | 0 | −1 | 4.46 | 2.72 |
13 | 0 | −1 | 0 | −1 | 3.64 | 2.67 |
14 | 1 | 0 | −1 | 0 | 3.18 | 3.24 |
15 | −1 | 0 | 0 | −1 | 3.42 | 2.51 |
16 | 0 | 0 | 0 | 0 | 2.23 | 2.24 |
17 | 1 | 0 | 1 | 0 | 3.47 | 2.52 |
18 | −1 | 0 | −1 | 0 | 3.25 | 2.65 |
19 | 0 | 0 | 1 | −1 | 3.93 | 2.37 |
20 | 0 | 0 | −1 | 1 | 2.72 | 3.14 |
21 | 0 | 0 | 1 | 1 | 2.89 | 2.49 |
22 | 0 | −1 | 1 | 0 | 3.05 | 2.44 |
23 | 1 | 0 | 0 | 1 | 3.02 | 2.78 |
24 | 0 | 0 | 0 | 0 | 2.78 | 2.15 |
25 | 1 | 1 | 0 | 0 | 3.96 | 3.03 |
26 | 0 | −1 | 0 | 1 | 2.6 | 2.76 |
27 | 0 | 0 | 0 | 0 | 2.95 | 2.22 |
28 | 0 | 1 | 0 | 1 | 3.52 | 2.63 |
29 | 1 | −1 | 0 | 0 | 2.97 | 2.91 |
Source | Impurity Rate Y1/% | Loss Rate Y2/% | ||||||
---|---|---|---|---|---|---|---|---|
Sum of Squares | Df | F-Value | p-Value | Sum of Squares | Df | F-Value | p-Value | |
Model | 7.202 | 14 | 13.36 | <0.0001 ** | 4.221 | 14 | 16.49 | <0.0001 ** |
X1 | 0.219 | 1 | 5.68 | 0.0319 * | 0.902 | 1 | 49.33 | <0.0001 ** |
X2 | 1.442 | 1 | 37.45 | <0.0001 ** | 0.105 | 1 | 5.72 | 0.0314 * |
X3 | 0.145 | 1 | 3.77 | 0.0725 | 1.621 | 1 | 88.63 | <0.0001 ** |
X4 | 2.558 | 1 | 66.43 | <0.0001 ** | 0.002 | 1 | 0.12 | 0.7378 |
X1X2 | 0.096 | 1 | 2.50 | 0.1365 | 0.038 | 1 | 2.08 | 0.1713 |
X1X3 | 0.053 | 1 | 1.37 | 0.2607 | 0.004 | 1 | 0.20 | 0.6640 |
X1X4 | 0.014 | 1 | 0.37 | 0.5506 | 0.023 | 1 | 1.23 | 0.2860 |
X2X3 | 0.292 | 1 | 7.57 | 0.0156 * | 0.087 | 1 | 4.76 | 0.0467 * |
X2X4 | 0.002 | 1 | 0.06 | 0.8026 | 0.008 | 1 | 0.44 | 0.5165 |
X3X4 | 0.000 | 1 | 0.00 | 0.9601 | 0.006 | 1 | 0.35 | 0.5635 |
X12 | 0.430 | 1 | 11.16 | 0.0049 ** | 0.267 | 1 | 14.58 | 0.0019 ** |
X22 | 1.342 | 1 | 34.85 | <0.0001 ** | 0.599 | 1 | 32.78 | <0.0001 ** |
X32 | 0.633 | 1 | 16.43 | 0.0012 ** | 0.575 | 1 | 31.45 | <0.0001 ** |
X42 | 1.171 | 1 | 30.41 | <0.0001 ** | 0.734 | 1 | 40.17 | <0.0001 ** |
Residual | 0.539 | 14 | 0.256 | 14 | ||||
Lack of Fit | 0.246 | 10 | 0.34 | 0.9264 | 0.207 | 10 | 1.70 | 0.3205 |
Pure Error | 0.293 | 4 | 0.049 | 4 | ||||
Total | 7.741 | 28 | 4.477 | 28 |
Item | Impurity Rate Y1 (%) | Loss Rate Y2 (%) |
---|---|---|
Average Test Value | 2.62 | 2.05 |
Optimal Value | 2.53 | 1.97 |
Relative Error (%) | 3.5 | 4.1 |
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Wang, Q.; Yu, Z.; Zhang, Y.; Li, J.; Peng, B.; Wang, B.; Hu, Z. Experimental Study of a 4HLB-4 Half-Feed Four-Row Peanut Combine Harvester. Agronomy 2022, 12, 3094. https://doi.org/10.3390/agronomy12123094
Wang Q, Yu Z, Zhang Y, Li J, Peng B, Wang B, Hu Z. Experimental Study of a 4HLB-4 Half-Feed Four-Row Peanut Combine Harvester. Agronomy. 2022; 12(12):3094. https://doi.org/10.3390/agronomy12123094
Chicago/Turabian StyleWang, Qinghua, Zhaoyang Yu, Yanhua Zhang, Junhao Li, Baoliang Peng, Bing Wang, and Zhichao Hu. 2022. "Experimental Study of a 4HLB-4 Half-Feed Four-Row Peanut Combine Harvester" Agronomy 12, no. 12: 3094. https://doi.org/10.3390/agronomy12123094