Journal
CIRP ANNALS-MANUFACTURING TECHNOLOGY
Volume 70, Issue 1, Pages 337-340Publisher
ELSEVIER
DOI: 10.1016/j.cirp.2021.04.039
Keywords
Boring; Chatter; Active damping
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This article presents a sliding mode control of a magnetorheological fluid damper for actively damping chatter in the boring process. Simulations and validation cutting tests demonstrate that the controller has fast response and robustness against disturbances, significantly increasing the stability limit with the sliding mode control of the magnetorheological fluid damper.
In this article, a sliding mode control of a magnetorheological fluid damper is presented for active damping of chatter in the boring process for the first time. A boring bar is integrated with an in-house developed magnetorheological fluid damper system. The variable gain super twisting sliding mode control algorithm is designed and implemented for suppressing the chatter in the boring process. Simulations of the controller show its fast response and robustness against disturbances and parametric uncertainties. Validation cutting tests performed under various machining conditions showed that the stability limit can be increased significantly with the sliding mode control of the magnetorheological fluid damper . (c) 2021 CIRP. Published by Elsevier Ltd. All rights reserved.
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