Improving adaptive feedforward vibration compensation by using integral + proportional adaptation

Ioan Doré Landau 1, * Tudor-Bogdan Airimitoaie 1
* Corresponding author
1 GIPSA-SLR - SLR
GIPSA-DA - Département Automatique
Abstract : Analysis of various adaptive feedforward vibration compensation schemes has shown that a strictly positive real (SPR) condition has to be satisfied in order to guarantee the stability of the whole system [1], [2], [3], [4]. Filters have to be implemented in order to satisfy this condition. The problem becomes even more crucial in the presence of the internal mechanical coupling between the compensator system and the reference source (a correlated measurement with the disturbance) since some information is not available when adaptation starts (see [3]). It is therefore very important to relax the SPR condition at least in the initial phase and in the same time to improve the adaptation transients. It is shown in this paper that adding a proportional adaptation to the standard integral type parametric adaptation, the SPR condition can be relaxed and the adaptation transients are improved. Theoretical developments are enhanced by real time experimental results obtained on an active vibration control (AVC) system.
keyword : ACM
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Conference papers
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https://hal.archives-ouvertes.fr/hal-00830042
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Submitted on : Tuesday, June 4, 2013 - 12:25:18 PM
Last modification on : Wednesday, July 25, 2018 - 1:19:45 AM

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Ioan Doré Landau, Tudor-Bogdan Airimitoaie. Improving adaptive feedforward vibration compensation by using integral + proportional adaptation. 51st IEEE Conference on Decision and Control (CDC 2012), Dec 2012, Maui, Hawaii, United States. pp.4412 - 4417, ⟨10.1109/CDC.2012.6427006⟩. ⟨hal-00830042⟩

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