Research Article
Model-Based Experimental Development of Passive Compliant Robot Legs from Fiberglass Composites
Table 4
The estimated and measured elastic modulus of the 6-layer composites.
| Type | D222-0 | D222-45 | D222-90 |
| Estimated (GPa) | 9.45 | 13.42 | 18.80 |
| Test #1 | 10.34 | 12.85 | 19.06 | Error (%) | 9.38 | 4.26 | 1.37 | Test #2 | 9.55 | 13.68 | 20.19 | Error (%) | 1.03 | 1.92 | 7.37 | Test #3 | 10.20 | 13.92 | 18.76 | Error (%) | 7.92 | 3.77 | 0.21 | Mean | 10.03 | 13.48 | 19.34 | STD | 0.42 | 0.56 | 0.75 |
| Average error (%) | 6.14 | 0.47 | 2.85 |
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