Research Article
Dynamic Characteristics Analysis and Test of Dual-Driving Feed System Driven by Center of Gravity
Table 5
Comparison between simulation results and practical measurement results.
| Displacement in -axis () | Height of center of gravity (mm) | Maximum simulation results (°) | Maximum experiment pitch error (°) | Relative error |
| 0 | 0 | | | 3.6% | | 0 | | | 3.0% | | 0 | | | 6.5% | 0 | 150 | | | 5.9% | 0 | 300 | | | 14.7% | | 150 | | | 6.2% | | 300 | | | 13.5% | | 150 | | | 5.2% | | 300 | | | 14.1% | Maximum variation by displacement in -axis | — | | | 11.9% | Maximum variation by height of center of gravity in -axis | — | | | 17.1% |
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