Research Article
Optimal Design of a Six-Dimensional Force Sensor with Three-Beam Structure
Table 5
Finite element results of optimized elastic body.
| Load case | Fx = 200 N | Fy = 200 N | Fz = 200 N | Mx = 8 N m | My = 8 N m | Mz = 8 N m | Fully loaded |
| Maximum von-Mises stress (MPa) | 72.17 | 75.55 | 58.05 | 122.27 | 129.07 | 50.27 | 333.84 | Average strain of associated bridge strain gauges () | 263.0 | 179.3 | 371.9 | 841.9 | 648.4 | 335.5 | / | Sensitivity (mV/V) | 0.5260 | 0.5379 | 1.1157 | 1.6838 | 1.9452 | 1.0065 | / | Sensitivity improvement ratio relative to initial structure (%) | 29.3 | 26.2 | 98.7 | 89.5 | 89.5 | 40.7 | / |
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