Research Article
Parametric Vibration Analysis of a Six-Degree-of-Freedom Electro-Hydraulic Stewart Platform
Table 1
Physical parameters of the electro-hydraulic Stewart platform (Unit: Si).
| Name | Symbol | Value |
| Top platform radius | R | 2 | Thickness of top platform | D | 0.2 | Quality of top platform | m | 20 | Inertia of the top platform about the X axis | Ix | 20.07 | Inertia of the top platform about the Y axis | Iy | 20.07 | Inertia of top platform about the Z axis | Iz | 40 | Universal joint at position 1 | b1 | | Universal joint at position 2 | b2 | | Universal joint at position 3 | b3 | | Universal joint at position 4 | b4 | | Universal joint at position 5 | b5 | | Universal joint at position 6 | b6 | | Ball hinge position 1 | a1 | | Ball hinge position 2 | a2 | | Ball hinge position 3 | a3 | | Ball hinge position 4 | a4 | | Ball hinge position 5 | a5 | | Ball hinge position 6 | a6 | |
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