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 frequency | Damping ratio | Test (Hz) | FEA (Hz) | Error (%) | Test (%) | FEA (%) | Error (%) |
| First mode | 559 | 530 | 5.5 | 0.91 | 1 | 9 | Second mode | 767 | 710 | 7.43 | 0.88 | 0.97 | 11.49 | Third mode | 950 | 943 | 0.73 | 0.69 | 0.80 | 15.94 |
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