Research Article
Parametric Vibration Analysis of a Six-Degree-of-Freedom Electro-Hydraulic Stewart Platform
Table 3
Calculation parameters related to vibration of 6-DOF platform transmission system parameters.
| | Name | Value |
| | Steady-state value of the first-order natural angular frequency ω1 (rad·s−1) | 111.1024 | | Steady-state value of the second-order natural angular frequency ω2 (rad·s−1) | 124.4199 | | Steady-state value of the third-order natural angular frequency ω3 (rad·s−1) | 235.3889 | | Steady-state value of the fourth-order natural angular frequency ω4 (rad·s−1) | 375.2415 | | Steady-state value of the fifth-order natural angular frequency ω5 (rad·s−1) | 505.6999 | | Steady-state value of the sixth-order natural angular frequency ω6 (rad·s−1) | 518.4187 | | Fluctuation angular frequency of equivalent stiffness of fluid element ωe (rad·s−1) | 40.7150 | | Amplitude of external excitation F0 (N) | [20 20 20 20 20 20]T | | Structural damping C/N·(m/s) | [20 20 20 20 20 20]T |
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