Li, L.M. and Billings, S.A. (2011) A new frequency domain representation and analysis for subharmonic oscillation. Research Report. ACSE Research Report no. 1026 . Automatic Control and Systems Engineering, University of Sheffield
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Abstract
For a weakly nonlinear oscillator, the frequency domain Volterra kernels, often called the generalised frequency response functions, can provide accurate analysis of the response in terms of amplitudes and frequencies, in a transparent algebraic way. However a Volterra series representation based analysis will become void for nonlinear oscillators that exhibit subharmonics, and the problem of finding a solution in this situation has been mainly treated by the traditional analytical approximation methods. In this paper a novel method is developed, by extending the frequency domain Volterra representation to the subharmonic situation, to allow the advantages and the benefits associated with the traditional generalised frequency response functions to be applied to severely nonlinear systems that exhibit subharmonic behaviour.
| Item Type: | Monograph (Research Report) |
|---|---|
| Copyright, Publisher and Additional Information: | The Department of Automatic Control and Systems Engineering research reports offer a forum for the research output of the academic staff and research students of the Department at the University of Sheffield. Papers are reviewed for quality and presentation by a departmental editor. However, the contents and opinions expressed remain the responsibility of the authors. Some papers in the series may have been subsequently published elsewhere and you are advised to cite the later published version in these instances. |
| Keywords: | Volterra series, GFRFs, subharmonics |
| Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Automatic Control and Systems Engineering (Sheffield) > ACSE Research Reports |
| Depositing User: | Miss Anthea Tucker |
| Date Deposited: | 18 Oct 2012 09:20 |
| Last Modified: | 08 Feb 2013 17:40 |
| Status: | Published |
| Publisher: | Automatic Control and Systems Engineering, University of Sheffield |
| URI: | http://eprints.whiterose.ac.uk/id/eprint/74674 |
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