Stability of length measurement comparator’s carriage under artificial excitation

Abstract

Response to external excitation of length measurement comparator’s carriage is analyzed in the article. For this purpose measurement and external excitation systems were composed. The measurement system consisted of an accelerometer and acceleration signal processing equipment. To cause the excitation, the outer excitation element (vibrator) with the possibility to control the frequency of vibrations was used. Amplitude of displacements was analyzed, which was achieved by integrating the acceleration measured by a vibrometer vibratory twice. The results obtained at different frequencies were compared and conclusion presented.