Open Access
Table 9
When 
, ω2, ω3 distribution.
| Machine type | Test type | ω2 Main value interval | Distribution probability | ω3Main value interval | Distribution probability |
|---|---|---|---|---|---|
| Machine 1 | Loose soil surface | (–0.17, 0.02) | 96.7% | (–0.01, 0.03) | 90.3% |
| Normal soil surface | (–0.17, 0.03) | 93.6% | (–0.01, 0.02) | 90.5% | |
| Hard soil surface | (–0.16, 0.06) | 90.6% | (–0.02, 0.02) | 84.8% | |
| 1M digging | (–0.16, 0.03) | 93.5% | (–0.01, 0.04) | 92.0% | |
| 2M digging | (–0.19, 0.02) | 95.6% | (–0.03, 0.06) | 95.5% | |
| Machine 2 | Hard soil surface | (–0.19, 0.03) | 94.9% | (–0.01, 0.04) | 91.5% |
| 1M digging | (–0.17, 0.02) | 94.6% | (–0.01, 0.04) | 90.6% | |
| 2M digging | (–0.18, 0.04) | 93.7% | (–0.02, 0.08) | 94.2% |
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