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Partial pole placement in structures by the method of receptances: theory and experiments

Partial pole placement in structures by the method of receptances: theory and experiments
Partial pole placement in structures by the method of receptances: theory and experiments
The theory and practical application of the receptance method for vibration suppression in structures by multi-input partial pole placement is described. Numerous advantages of the receptance method over conventional matrix methods such as state-space control based on finite elements have been demonstrated, in particular there is no need to know or to evaluate the structural matrices M, C, K and in practical experimentation the measurement of ‘receptance’ may be generalised so that explicit modelling of actuator dynamics becomes unnecessary. Active vibration control is demonstrated experimentally using two test rigs. In the first set of experiments partial pole placement is applied to a lightweight glass-fibre beam using macro fibre composite (MFC) actuators and sensors. In the second set of experiments active vibration control is implemented on a heavy modular test structure representative of systems of differing dynamic complexity using electromagnetic actuators and piezoelectric (ICP) accelerometers. It is demonstrated that chosen poles may be assigned to predetermined values without affecting the position of other poles of interest.
0022-460X
5017-5035
Ghandchi Tehrani, M.
c2251e5b-a029-46e2-b585-422120a7bc44
Elliott, Robin N.R.
a006942d-ad03-43f2-b5f5-a91f44d37e06
Mottershead, John E.
5d20857f-6fb2-4d26-974b-3a0f1f3b36ff
Ghandchi Tehrani, M.
c2251e5b-a029-46e2-b585-422120a7bc44
Elliott, Robin N.R.
a006942d-ad03-43f2-b5f5-a91f44d37e06
Mottershead, John E.
5d20857f-6fb2-4d26-974b-3a0f1f3b36ff

Ghandchi Tehrani, M., Elliott, Robin N.R. and Mottershead, John E. (2010) Partial pole placement in structures by the method of receptances: theory and experiments. Journal of Sound and Vibration, 329 (24), 5017-5035. (doi:10.1016/j.jsv.2010.06.018).

Record type: Article

Abstract

The theory and practical application of the receptance method for vibration suppression in structures by multi-input partial pole placement is described. Numerous advantages of the receptance method over conventional matrix methods such as state-space control based on finite elements have been demonstrated, in particular there is no need to know or to evaluate the structural matrices M, C, K and in practical experimentation the measurement of ‘receptance’ may be generalised so that explicit modelling of actuator dynamics becomes unnecessary. Active vibration control is demonstrated experimentally using two test rigs. In the first set of experiments partial pole placement is applied to a lightweight glass-fibre beam using macro fibre composite (MFC) actuators and sensors. In the second set of experiments active vibration control is implemented on a heavy modular test structure representative of systems of differing dynamic complexity using electromagnetic actuators and piezoelectric (ICP) accelerometers. It is demonstrated that chosen poles may be assigned to predetermined values without affecting the position of other poles of interest.

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Published date: November 2010
Organisations: Signal Processing & Control Group

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Local EPrints ID: 188461
URI: http://eprints.soton.ac.uk/id/eprint/188461
ISSN: 0022-460X
PURE UUID: 734cfe07-3de0-4435-a368-e6663ce756b8

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Date deposited: 25 May 2011 10:47
Last modified: 14 Mar 2024 03:31

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Contributors

Author: Robin N.R. Elliott
Author: John E. Mottershead

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