3 Day Open Conference

The third dimension of random vibration control
Wednesday 19th November 2008
11.20 - 11.40
Auditorium 2

Random vibration testing is the industry workhorse for simulating the environment for a broad range of products. Tests are typically specified by defining a spectrum shape and overall RMS amplitude. The test controller then causes a measured reference acceleration to match these specified parameters. The controller forces a shaped-random response with a normal or Gaussian amplitude distribution. However, experience has shown that such tests may be too conservative for some product/environment combinations; the test does not produce the same damage statistics observed in the field. Adding a third control dimension provides more realistic random vibration tests that better match the damage potential of the actual environment. That third dimension is Kurtosis control, which matches the amplitude distribution of the test to that of the environment.

About the Speaker(s):

Matthew Millard
Product Support Engineer
Vibration Research Corporation, USA

Matt Millard is the Product Support Engineer for Vibration Research. He is a mechanical engineer from Michigan Technological University where his studies focused on Sound and Vibration. He has over 8 years experience in sound and vibration ranging from Buzz, Squeak and Rattle testing to developing test specifications for automotive OEM`s and suppliers.