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Old Jul 13, 2010, 09:33 PM
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Joined Dec 2007
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Vibration Comparison

I took a vibration measurement today on the PhuBar3, similar to the one I did earlier on the PhuBar2. The amplitude of the vibration is somewhat higher on the PhuBar3, most likely because it is mounted differently, and not as isolated from the frame as the PhuBar 2 was.

This was done with the ITG-3200's built-in low-pass filtering set to 5hz. This is a much lower cutoff frequency than the software filter in the PhuBar2 which is set to 47hz. This is comparable to the software filter in the PhuBar2, which is set to 5.3hz


Just comparing the two visually, it looks like the impact on the servo control signal is comparable between the two devices.
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Last edited by Heli Hacker; May 02, 2011 at 07:02 PM. Reason: Correction on PhuBar2 filter cutoff frequency
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