Hybrid Control of a Cantilevered ER Sandwich Beam for Vibration Suppression

In this paper experimental studies on vibration suppression of a cantilevered ER sandwich beam subjected to periodic disturbances are conducted. The employed controller combines a semi-active controller with an active controller and is thus termed hybrid controller. The semi-active controller is bas...

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Bibliographic Details
Published in:Journal of intelligent material systems and structures 2000-01, Vol.11 (1), p.26-31
Main Author: Shaw, Jinsiang
Format: Article
Language:English
Subjects:
Acoustics
Cross-disciplinary physics: materials science
rheology
Electro- and magnetorheological fluids
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Material types
Physics
Rheology
Structural acoustics and vibration
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Summary:In this paper experimental studies on vibration suppression of a cantilevered ER sandwich beam subjected to periodic disturbances are conducted. The employed controller combines a semi-active controller with an active controller and is thus termed hybrid controller. The semi-active controller is based on fuzzy-like control strategy and the active controller uses a plant disturbance canceler for disturbance canceling The semi-active controller can apply an optimal electric field to the ER sandwich beam for improving the transient response, while the active controller provides a negating actuation force for improving the steady state response. Experimental results show that performance of the hybrid controller is superior to those of the semi-active and active controllers in suppressing the undesired vibration of the ER sandwich beam.
ISSN:1045-389X
1530-8138
DOI:10.1106/U2QH-TBBH-QX9N-RP00