Paul Robert Houlston
Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems
Houlston, Paul Robert; Garvey, Seamus D.; Popov, Atanas A.
Authors
Seamus D. Garvey
Atanas A. Popov
Abstract
Second order matrix equations arise in the description of real dynamical systems. Traditional modal control approaches utilise the eigenvectors of the undamped system to diagonalise the system matrices. A regrettable consequence of this approach is the discarding of residual o-diagonal terms in the modal damping matrix. This has particular importance for systems containing skew-symmetry in the damping matrix which is entirely discarded in the modal damping matrix. In this paper a method to utilise modal control using the decoupled second order matrix equations involving nonclassical damping is proposed. An example of modal control sucessfully applied to a rotating system is presented in which the system damping matrix contains skew-symmetric components.
Citation
Houlston, P. R., Garvey, S. D., & Popov, A. A. (2006). Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems.
Conference Name | ISMA 2006 International Conference on Noise and Vibration Engineering |
---|---|
End Date | Sep 20, 2006 |
Publication Date | Jan 1, 2006 |
Deposit Date | Jan 15, 2007 |
Publicly Available Date | Oct 9, 2007 |
Peer Reviewed | Peer Reviewed |
Keywords | modal control, second order systems, general damping, non-proportional damping, rotordynamics |
Public URL | https://nottingham-repository.worktribe.com/output/1019075 |
Files
ISMA_V01.pdf
(108 Kb)
PDF
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