Research Article
Dynamic Characteristics Analysis and Test of Dual-Driving Feed System Driven by Center of Gravity
Table 6
Performance comparison with variation location in
-axis of the sliding stage.
| | | Experimental results (um) | Proposed DCG model (um) | Relative error | Normal 2-DOF model (um) | Relative error |
| | | | | | | | Max | 9.8 | 9.1 | 7.1% | 8.9 | 9.2% | | Avg | 3.6 | 3.2 | 11.1% | 3.1 | 13.9% | | ( | | | | | | | Max | 12.5 | 11.6 | 7.2% | 9.7 | 22.4% | | Avg | 4.1 | 3.7 | 7.3% | 3.3 | 19.5% | | | | | | | | Max | 14.7 | 12.9 | 12.2% | 10.3 | 29.9% | | Avg | 4.3 | 4.0 | 6.9% | 3.1 | 27.9% |
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