Research Article
Engine Excitation Force Identification on the Basis of Discrete Spectrum Correction
Table 4
The identified amplitude of the excitation force.
| | Excitation force | First harmonic | Second harmonic | | Uncorrected | Corrected | Uncorrected | Corrected | | Amplitude | Error (%) | Amplitude | Error (%) | Amplitude | Error (%) | Amplitude | Error (%) |
| | (N) | 14.42 | 3.88 | 15.00 | 0.01 | 262.72 | | 15.00 | 0.00 | | (N) | 14.35 | 4.30 | 15.00 | 0.00 | 235.11 | | 25.00 | 0.00 | | (N) | 14.42 | 3.90 | 15.00 | 0.02 | 97.90 | 51.05 | 200.00 | 0.00 | | (N·m) | 19.18 | 4.12 | 20.00 | 0.00 | 105.33 | | 30.00 | 0.00 | | (N·m) | 9.59 | 4.12 | 10.00 | 0.00 | 18.01 | 77.48 | 80.00 | 0.00 | | (N·m) | 9.59 | 4.09 | 10.00 | 0.00 | 49.50 | | 25.00 | 0.00 |
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