Extraction of average component of gear vibrations and gear noises.

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  • 歯車の騒音・振動計測における平均成分の抽出法
  • ハグルマ ノ ソウオン シンドウ ケイソク ニ オケル ヘイキン セイブン ノ

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Abstract

Vibrations and noises of gears consist of the average component and the fluctuant one. The former is the component which always appears in each tooth meshing. In general, this component consists of the meshing frequency and its harmonics. The latter is the component which fluctuates about the average component and is caused by the error of gears, torque fluctuation, and so on. In this report, the extraction of this average component by using a method of moving averages is described. This method is very effective for extracting the average component of gear noises or gear vibrations. The effectiveness of this method is shown theoretically and experimentally.

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