Research Article
Hybrid Position/Force Control for Dual-Machine Drilling and Riveting System
Table 1
Values of model parameters.
| | Items | Symbols | Unit | Value |
| | Screw’s lead | | | 12 | | Input coefficient | | — | 0.00138 | | Current gain | | — | 5 | | Current feedback gain | | — | 1 | | Torque coefficient | | | 1.38 | | Back-EMF coefficient | | | 0.8484 | | Motor inductance | | | 0.0034 | | Motor resistance | | | 0.42 | | Overall moment of inertia | | | 0.024 | | Overall viscous friction factor | | | 0.00096 | | Stiffness of the machine | | | |
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