Global optimization of distributed output feedback controllers.
When the frequency range over which a reduction in vibration is desired is limited to a particular structural mode of vibration, for example, it is shown that a centralized velocity feedback controller can perform better than a decentralized controller for a given level of control effort. The decentralized controller, however, has the desirable properties of scalability and ease of implementation. A number of strategies for clustering the control locations have been proposed to exploit both the performance of the centralized controller and the scalability of decentralized controllers but these have previously been only locally optimal. This paper describes methods by which these distributed controllers may be designed to be globally optimal and gives examples of simulated results of these optimal distributed controllers.
Baumann
Oliver Nicholas
ON
Institute of Sound and Vibration Research, University of Southampton, University Road, Southampton, Hampshire SO17 1BJ, United Kingdom. onb@isvr.soton.ac.uk
Elliott
Stephen John
SJ
D000162:Acoustics; D000465:Algorithms; D003198:Computer Simulation; D005246:Feedback; D007700:Kinetics; D016014:Linear Models; D008962:Models, Theoretical