CALIBRATION OF SENSORS FOR ANGULAR VIBRATION MEASUREMENTS

Lubomir Smutny, Jiri Tuma, Radim Farana
Abstract:
The paper deals with the problem of the angular vibration sensor calibration. As a reference signal is produced by an incremental rotary encoder, which is a source of pulses. The pulse string determines the encoder rotation angle. The non-uniformity in the pulse distribution with respect to the rotation angle results in an error in determining the shaft rotation angle. The main topic of the paper is focused at the comparison of the encoder pair intended to employ for calibration of the Laser torsional vibration meter (BK 2523 type) based on the Doppler Effect. The method for evaluation of the rotation angle is based on the phase demodulation.
Keywords:
angular vibration sensor, encoder, laser torsional vibration meter
Download:
PWC-2006-TC22-002u.pdf
DOI:
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Event details
Event name:
XVIII IMEKO World Congress
Title:

Metrology for a Sustainable Development

Place:
Rio de Janeiro, BRAZIL
Time:
17 September 2006 - 22 September 2006