Comparison of actuators for semi-active torsional vibration control

Shaochun Ye; Keith A. Williams

doi:10.1117/12.658818

27 March 2006 Comparison of actuators for semi-active torsional vibration control

Shaochun Ye, Keith A. Williams

Proceedings Volume 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control; 61661E (2006) https://doi.org/10.1117/12.658818
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

Semi-active control of torsional vibration can be realized through the use of variable friction brakes or clutches applied to a primary system acted on by oscillating torques. The performance of a given vibration control approach will depend greatly on the bandwidth of the actuators used to realize control. Three commercially available torsional actuators, a dry friction brake, a magneto-rheological fluid brake, and a magnetic particle brake have been tested and analyzed to assess their applicability for use in semi-active torsional vibration control. A test stand was constructed and used to run specific tests including step responses to determine "on" and "off" response times, open-loop bandwidth determination via swept-sine tests, and friction as a function of rotating speed. The data can be used to create general mathematical models to predict the behavior of the different actuators when excited with different control signals. The results indicate some of the limitations of the different actuators and will be used to provide a basis for determining the actuators' applicability to general torsional vibration control problems.

Citation Download Citation

Shaochun Ye and Keith A. Williams "Comparison of actuators for semi-active torsional vibration control", Proc. SPIE 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control, 61661E (27 March 2006); https://doi.org/10.1117/12.658818

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