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Coupled disturbance modelling and validation of a reaction wheel model

Zhang, Z and Aglietti, GS (2012) Coupled disturbance modelling and validation of a reaction wheel model

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Microvibrations of a RWA are usually studied in either hard-mounted or coupled conditions, although coupled wheel-structure disturbances are more representative than the hard-mounted disturbances. The coupled analysis method of the wheel-structure is not as well developed as the hard-mounted one. A coupled disturbance analysis method is proposed in this paper. One of the most important factors in coupled disturbance analysis - the accelerance or dynamic mass of the wheel is measured and results are validated with an equivalent FE model. The wheel hard-mounted disturbances are also measured from a vibration measurement platform particularly designed for this study. Wheel structural modes are solved from its analytical disturbance model and validated with the test results. The wheel-speed dependent accelerance analysis method is proposed.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions : Surrey research (other units)
Authors : Zhang, Z and Aglietti, GS
Date : 19 December 2012
Depositing User : Symplectic Elements
Date Deposited : 14 Oct 2016 10:50
Last Modified : 23 Jan 2020 13:17

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