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Robust control of microvibrations with experimental verification

Tan, ACH, Meurers, T, Veres, SM, Aglietti, G and Rogers, E (2005) Robust control of microvibrations with experimental verification Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 219 (5). pp. 453-460.

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The paper addresses the problem of actively attenuating a particular class of vibrations, known as microvibrations, which arise, for example, in panels used on satellites. A control scheme that incorporates feedback action is developed which operates at a set of dominant frequencies in a disturbance spectrum, where the control path model is estimated online. Relative to earlier published techniques, a new feature of the presented controller is the use of the inverse Hessian to improve adaptation speed. The control scheme also incorporates a frequency estimation technique to determine the relevant disturbance frequencies with higher precision than the standard fast Fourier transform (FFT). The control scheme is implemented on an experimental test-bed and the total achieved attenuation, as measured from the experiments, is 26 dB. The low computational demand of the control scheme allows for single chip controller implementation, a feature which is particularly attractive for potential applications areas, such as small satellites, where there are critical overall weight restrictions to be satisfied while delivering high quality overall performance. © IMechE 2005.

Item Type: Article
Divisions : Surrey research (other units)
Authors : Tan, ACH, Meurers, T, Veres, SM, Aglietti, G and Rogers, E
Date : 1 May 2005
DOI : 10.1243/095440605X16929
Depositing User : Symplectic Elements
Date Deposited : 14 Oct 2016 13:00
Last Modified : 24 Jan 2020 13:01

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