Research Article
A Novel Time-Varying Friction Compensation Method for Servomechanism
Table 1
Main specifications of high-precision X-Y worktable.
| Parameter | Value |
| Worktable area (mm×mm) | 560 × 420 | stroke (mm×mm) | 250 × 150 | Maximum allowed acceleration (mm·s−2) | 1500 | Inertia of the plant for -axis (kg·m2) | 0.00298 | Inertia of the plant for -axis (kg·m2) | 0.00358 | Torque constant (N·m·V−1) | 2.68 | Rated torque of servo motor (N·m) | 7.16 | Sampling period (s) | 0.001 | Screw lead (mm) | 16 | Resolution of encoder (m) | 0.5 | Resolution of scale (m) | 0.5 |
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