Publisher DOI: 10.1109/CDC.2017.8263923
Title: Active vibration control of an aluminum beam - An experimental testbed for distributed vs. centralized control
Language: English
Authors: Schug, Ann-Kathrin 
Werner, Herbert 
Issue Date: 18-Jan-2018
Source: 2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017 (2018-January): 1876-1881 (2018-01-18)
Abstract (english): This paper presents an experimental test bench for assessing the practicality of distributed control strategies in the framework of spatially-interconnected systems. To compare low-complexity distributed control schemes with multi-input multioutput (MIMO) control and to assess the results experimentally requires a test bed that is sufficiently complex to display on one hand the characteristic features of a distributed system, and yet is not too complex in order not to render the MIMO synthesis problem intractable. Here a 5m long aluminum beam, equipped with 16 collocated pairs of piezoelectric actuators and sensors, is used for vibration control experiments. A MIMO model obtained by finite element modeling techniques is presented and a distributed model in the spatially-interconnected systems framework is derived. Model reduction techniques are applied to the MIMO model and a centralized controller is designed to attenuate the vibration using H∞-loopshaping techniques. Finally, the performance of the controller is experimentally validated on the beam.
Conference: 2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017 
ISBN: 978-150902873-3
Institute: Regelungstechnik E-14 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
Project: Distributed and Spatially Interconnected Systems 
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