Research Article

A Method of Reducing Motor Vibration: Natural Frequency, Damping Ratio, and Vibration Analysis of CFRP Motor Frame

Table 4

Modal Experimental results of the CFRP motor frame.

ā€‰Natural frequencyDamping ratio
Test (Hz)FEA (Hz)Error (%)Test (%)FEA (%)Error (%)

First mode5595305.50.9119
Second mode7677107.430.880.9711.49
Third mode9509430.730.690.8015.94