Research Article
Stiffness and Elastic Deformation of 4-DoF Parallel Manipulator with Three Asymmetrical Legs for Supporting Helicopter Rotor
Table 1
Simulation solved results of elastic deformations of EF model of 2SPS + RRPR PM.
| Elastic deformation of , mm | Position of (m) | | FE model | Theoretical | | | |
| | 0.9058 | 0.8934 | FE model position of No. 19319 joint | | −0.8387 | −0.8550 | −0.049 | 0.317 | 1.71 | | −0.3434 | −0.2547 | Theoretical position of | | 0.0258 | 0.0534 | 0 | 0.3192 | 1.6540 |
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