Research Article
Research on the Field Dynamic Balance Technologies for Large Diesel Engine Crankshaft System
Table 1
The amplitudes and phases of the first 3-order frequency component fitted by least square method.
| | Orders | Without noise signal | The uniform white noise signal is added | The periodic random
noise signal is added | | Amplitude | Phase | Amplitude | Phase | Amplitude | Phase |
| | 1 | 3 | 30° | 2.98 | 29.93° | 2.66 | 25.61° | | 2 | 2 | 45° | 1.99 | 44.73° | 2.29 | 37.85° | | 3 | 1.2 | 110° | 1.21 | 110.27° | 1.38 | 125.84° |
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