Research Article
Knowledge-Based Structure Optimization Design for Boom of Excavator
Table 4
Spearman rank correlation coefficient between X and σ.
| | Parameters | XST | XHU | XSD | XRF | XWT | XLT | XLO | XBO | XCO | XSR | XTT | XHO | XDO |
| | σI | −0.5 | 0.16 | −0.3 | −0.25 | −0.13 | 0.02 | 0.1 | 0.14 | −0.43 | 0.02 | −0.01 | 0.03 | −0.02 | | σII | −0.13 | 0.74 | −0.04 | −0.11 | −0.17 | 0.12 | 0.17 | 0.1 | 0.03 | −0.13 | −0.04 | −0.06 | 0 | | σIII | −0.16 | 0.47 | 0.05 | −0.13 | 0.05 | 0.25 | 0.08 | −0.22 | 0 | 0 | −0.19 | −0.02 | −0.06 | | σV | −0.16 | 0.33 | −0.16 | −0.08 | −0.49 | −0.04 | 0.02 | 0.16 | −0.31 | −0.01 | −0.08 | −0.05 | 0.07 | | σIV | −0.23 | 0.27 | −0.26 | −0.54 | −0.01 | 0.11 | 0.06 | 0.14 | −0.26 | 0.03 | −0.1 | −0.05 | 0.05 | | σVI | −0.51 | 0.25 | −0.07 | −0.05 | 0.03 | 0.2 | 0.08 | 0.13 | 0.08 | −0.33 | 0.04 | 0.13 | −0.08 |
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