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| 001 | 841903 | ||
| 005 | 20250129092454.0 | ||
| 024 | 7 | _ | |a 2128/16622 |2 Handle |
| 037 | _ | _ | |a FZJ-2018-00200 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Seidler, Florian |0 P:(DE-Juel1)169161 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a Automation |c Baden-Baden |d 2016-06-06 - 2016-06-08 |w Germany |
| 245 | _ | _ | |a Control of Nonlinear Coupled Electromagnetic Actuators for Active Drag Reduction in Turbulent Flow |
| 260 | _ | _ | |c 2016 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
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| 520 | _ | _ | |a The research group FOR1779 “active drag reduction via wavy surface oscillations” develops robust methods for reduction of turbulent friction drag by flow control. The planned concentration on unsteady flow conditions requires a control of the electromagnetic actuator system for generation of transversal surface waves. The bars are positioned in parallel and coupled with an aluminum surface to generate a travelling wave perpendicular to the flow field. The actuator system can be approximately modelled as a system of coupled, damped, driven, one dimensional oscillators with strong nonlinear coupling. The focused parameter range guarantees only an elastic deformation of the aluminum surface. Previous model-based investigations show a successful control with an iterative learning controller (ILC). The friction, the noise (measurement- and system noise) and the delay time proved to be critical parameters. These parameters are therefore determined by measurements on the uncontrolled prototype. The determination of the parameters enables the refinement of the model and the optimization of the control. In addition to the ILC also other control strategies (e.g. PID, IMP, RC) have been investigated accordingly and compared in terms of accuracy, robustness and energy efficiency. |
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| 700 | 1 | _ | |a Trabert, Julius |0 P:(DE-Juel1)167597 |b 1 |
| 700 | 1 | _ | |a Dück, Marcel |0 P:(DE-Juel1)130625 |b 2 |
| 700 | 1 | _ | |a van Waasen, Stefan |0 P:(DE-Juel1)142562 |b 3 |
| 700 | 1 | _ | |a Schiek, Michael |0 P:(DE-Juel1)133935 |b 4 |
| 700 | 1 | _ | |a Abel, Dirk |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Castelan, E. B. |0 P:(DE-HGF)0 |b 6 |
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| 910 | 1 | _ | |a RWTH Aachen |0 I:(DE-588b)36225-6 |k RWTH |b 5 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Federal University of Santa Catarina |0 I:(DE-HGF)0 |b 6 |6 P:(DE-HGF)0 |
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