Day 1
Introduction passive damping
- Recap Design principles, Dynamic modelling, Motion control;
- Definition;
- Trade off Damping vs. stiffness and Damping vs. virtual play.
Examples in other application areas
- Aviation;
- Structural buildings;
- Machine tools.
Discussion of damping principles
- Material damping;
- TMD, RMD, CLD, FLD;
- Eddy-current damping;
- Friction damping.
Day 2
Material damping
- Structural material damping;
- Viscous fluid damping;
- LVE material damping.
Demo / Exercise
Tuned mass damping
- TMD tuning;
- Case: MRI scanner.
Constrained layer damping
- RKU modelling approach;
- Case: Flexures and frames.
Exercise
Day 3
Constrained layer damping for discontinuous surfaces
- Hybrid approach.
Robust mass damping
- Viscous damper design and testing;
- Case: Semiconductor wafer stage.
Integral modelling and optimisation
- Modeling approach;
- Optimisation algorithm;
- Case: Over-actuated wafer chuck.
Viscoelastic actuator damping
- Modeling approach;
- Case: Semiconductor wafer stage.
Wrap-up