Research Article
An Improved Rigid Multibody Model for the Dynamic Analysis of the Planetary Gearbox in a Wind Turbine
Table 2
Comparison between the natural frequencies calculated by the two models.
| | Rotational natural frequencies | Translational natural frequencies | | | Yang [Hz] | Lin [Hz] | Error [%] | | Yang [Hz] | Lin [Hz] | Error [%] |
| | 1 | 0 | 0 | — | 1 | 743.2 | 743.2 | 0 | | 2 | 1334.0 | 1477.4 | | 2 | 1102.7 | 1102.7 | 0 | | 3 | 1891.3 | 1930.8 | | 3 | 1896.5 | 1896.5 | 0 | | 4 | 2662.8 | 2664.1 | | 4 | 2276.5 | 2276.5 | 0 | | 5 | 8045.4 | 7467.2 | 7.74 | 5 | 6989.0 | 6989.0 | 0 | | 6 | 11822.3 | 11807 | 0.13 | 6 | 9651.7 | 9651.7 | 0 |
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