Ralph D. Brillhart

ATA Engineering, Inc.

SEM Awards: D.J. DeMichele

Ralph D. Brillhart is Vice President, Test, at ATA Engineering, Inc., and has been involved in structural dynamics and modal testing for over forty years. He was a principal in the formation of ATA as a spin-off from Structural Dynamics Research Corporation (SDRC) in 2000. He has become recognized worldwide for his modal testing and analysis expertise and has written numerous papers discussing the application of modal testing techniques and new approaches to modal testing. He helped grow the ATA test business, promoting custom software and new methods development including multi-shaker burst random, Multi-Sine, and modal-handle excitation techniques, modal parameter estimation methods, and automated test techniques utilizing TEDS sensor technology. He is currently working with NASA Engineering Safety Center (NESC) assisting in review of SLS testing activities.

Ralph received his bachelor’s degree in Mechanical Engineering from the University of Cincinnati in 1977 and his master’s degree in Mechanical Engineering, Dynamics and Controls, from the University of California, Davis, in 1983. He has been a long-time participant at IMAC and served SEM as an Executive Board member from 2010 to 2012; since 2013 he has served on the SEM Advisory Board, where he is currently a member of the Exhibitor Planning Committee.


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Last Updated: 11/23/2020