Experimental dynamic modeling and characterisations of disk platter resonances

Abstract

Experimental dynamic modeling and characterisations of disk platter resonances were presented. Experimental results were captured via the scanning LDV to provide the mode shapes and power spectra of vibrations. A simple peak detector algorithm was written in MATLAB to identify the resonant peaks. Resonant frequencies and amplitude of vibrations at higher rpms could be predicted using a limited range of rotation at higher rpms.