Active vibration control of a structure by implementing filtered-X LMS algorithm
This paper presents the real-time experimental results of active vibration control (AVC) of a structure similar to a small-scale model of housing for sensitive machinery. This structure is excited by a shaker to simulate an undesired vibration. Either a single accelerometer or combination
of accelerometers placed at various locations is used as an error sensor for generating an error signal and synthesizing a reference signal. An offline modeling technique is used to estimate the transfer function of a secondary path that is required by the filtered-X least–mean-square
(FXLMS) algorithm for updating adaptive filter coefficients. An AVC scheme using the adaptive feedback system with the FXLMS algorithm is successfully implemented on the TMS320C32 digital signal processor to minimize the vibration of the structure.
Document Type: Research Article
Publication date: 01 November 2006
NCEJ is a peer reviewed Technical journal published every two months. The papers published in NCEJ cover general topics related to noise control engineering, ranging from fundamental research to applied case studies and histories.
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