Research Article
Algebraic Parameter Identification of Nonlinear Vibrating Systems and Non Linearity Quantification Using the Hilbert Transformation
Table 4
System parameters’ estimation for the 2DOF configuration.
| | Parameters | Actual | Estimated | Difference (%) |
| | 2.53 kg | 2.56 kg | 1.19 | | — | 12.48 Nsm−1 | — | | 1272.1 Nm−1 | 1280.7 Nm−1 | 0.6 | | Nm−3 | Nm−3 | 5.4 | | 2.754 kg | 2.80 kg | 1.6 | | — | 11.67 Ns−1 | — | | 1570 Nm−1 | 1585 Nm−1 | 0.9 | | Nm−3 | Nm−3 | 7.2 |
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