Research Article
Contour Tracking Control Based on Extended State Observer for Multiaxis Motion System
Table 2
Saddle-shape curve simulation error.
| Simulation error (mm) | With ESO | Without ESO |
| Tracking error | Maximum value-x | 0.0046 | 0.0383 | Mean value-x | 0.0021 | 0.0206 | Maximum value-y | 0.0151 | 0.0140 | Mean value-y | 0.0014 | 0.0034 | Maximum value-z | 0.0035 | 0.0061 | Mean value-z | 0.0022 | 0.0039 |
| Contour error | Maximum value | 0.1057 | 0.4650 | Mean value | 0.0120 | 0.2004 |
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