The purpose of this work is to experimentally demonstrate a fault-tolerant active vibration control system. Active vibration control is achieved using piezoceramic sensors and actuators (transducers) that are attached to a simply supported beam. These transducers are used by a set of optimal feedback compensators to minimize the lateral vibration of a beam. Actuator faults are detected and isolated with a Beard–Jones fault detection filter. This filter is a special case of Luenberger observer, which produces a residual output with specific directional properties in response to a system fault. In this current research work, a new Beard–Jones filter design methodology is introduced that permits its use on high-order systems and also on systems with feed-through dynamics. The output of this detection filter is monitored by a hybrid automaton that determines when faults occur. This hybrid automaton then directs the selection of a feedback compensator specifically designed for the detected system fault state. The result is a vibration control system that is capable of maintaining optimal performance in the presence of system faults.
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November 2008
Research Papers
Experiments on Fault-Tolerant Active Vibration Control
Tao Tao,
Tao Tao
Vanderbilt University
, Nashville, TN 37235
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Chakradhar Byreddy,
Chakradhar Byreddy
Vanderbilt University
, Nashville, TN 37235
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Kenneth D. Frampton
Kenneth D. Frampton
Institute of Sound and Vibration Research,
University of Southampton
, Southampton, SO17 1BJ, UK
Search for other works by this author on:
Tao Tao
Vanderbilt University
, Nashville, TN 37235
Chakradhar Byreddy
Vanderbilt University
, Nashville, TN 37235
Kenneth D. Frampton
Institute of Sound and Vibration Research,
University of Southampton
, Southampton, SO17 1BJ, UKJ. Dyn. Sys., Meas., Control. Nov 2008, 130(6): 061006 (8 pages)
Published Online: September 25, 2008
Article history
Received:
October 16, 2006
Revised:
May 17, 2008
Published:
September 25, 2008
Citation
Tao, T., Byreddy, C., and Frampton, K. D. (September 25, 2008). "Experiments on Fault-Tolerant Active Vibration Control." ASME. J. Dyn. Sys., Meas., Control. November 2008; 130(6): 061006. https://doi.org/10.1115/1.2977470
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