A. Deramaeker and A. Preumont

1
WP4 Vibration Control Strategies

• A. Deramaeker and A. Preumont
• FP6- STREP project contract N013517NMP3-CT-2005-
  013517
• Mid-term review, october 27, 2006

2
T 4.1 Model reductions for control and
optimisation T 4.2 Model and parameters
uncertainties analysis and modelling T 4.3
Control strategies T 4.4 Validation for passive,
active and hybrid vibration control
D6 Full documented report on the analysis and
Matlab implemented routines for uncertainties and
on developed reduced models.
3
Model reduction for control
FEM of complete structure in Samcef (laminate
shell theory)
Samcef
Reduced (Craig-Bampton) model written to file
Matlab Script 1 (SamTech)
Reduced matrices are imported in Matlab
Matlab Script 2 (ULB/ASL)
I/O state-space model in Matlab/Simulink
4
Example
With static response
Without static response
5
T 4.1 Model reductions for control and
optimisation T 4.2 Model and parameters
uncertainties analysis and modelling T 4.3
Control strategies T 4.4 Validation for passive,
active and hybrid vibration control
6
Principle
Input parameters
Uncertain input parameters
Matlab script to generate .dat file
FEM of complete structure in Samcef (laminate
shell theory)
Response computation (i.e. Monte-Carlo)
Samcef
Reduced (Craig-Bampton) model written to file
Matlab Script 1 (SamTech)
Reduced matrices are imported in Matlab
Matlab Script 2 (ULB/ASL)
Uncertain output parameters
I/O state-space model in Matlab/Simulink
7
Example
8
Uncertain geometry
2
Tf 1-3
3
1
4
Tf 1-2
9
Geometry study (2)
Tf 1-3
Tf 1-2
Distance of patches to clamping
10
Dissemination
1 conference paper
11
Dissemination
1 conference paper (Southampton, UK) 1 workshop
presentation (Bardonecchia, Italy)
Conclusion and future work
T 4.1 Model reductions for control and
optimisation T 4.2 Model and parameters
uncertainties analysis and modelling T 4.3
Control strategies T 4.4 Validation for passive,
active and hybrid vibration control