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  • Summary & Details

Robust Design and Mechanism Elucidation for Three-Cylinder Engine Idling Vibration Using Machine Learning in Multi-Dimensional Design Space Analysis

機械学習により得られた多次元設計空間の可視化による3気筒エンジンのアイドル振動のロバスト化とメカニズムの解明

Detailed Information

Category(J)AIを活用した振動・騒音設計技術

Translation

Category(E)AI-based Noise and Vibration Design Technology
Author(J)1) 山本 和志, 2) Victor Picheny, 3) Qi Qi
Author(E)1) Kazuyuki Yamamoto, 2) Victor Picheny, 3) Qi Qi
Affiliation(J)1) Secondmind, 2) Secondmind Ltd., 3) Secondmind Ltd.
Abstract(J)省データ数で高精度予測を実現するガウス過程回帰モデルを用いて3気筒エンジンのアイドル振動におけるロバスト仕様特定と現象分析を実施した。ハイパーキューブの活用により製造ばらつきを考慮したロバスト仕様を特定したほか、エンジン剛体固有値の近接がフロア振動を増幅させるメカニズムを明らかにした。

Translation

Abstract(E)Using a Gaussian process regression model that achieves high-precision prediction with a small dataset, this study conducted robust specification identification and phenomenon analysis of idle vibration in a three-cylinder engine. By utilizing a hypercube, robust specifications that account for manufacturing variations were successfully identified. In addition, this study clarified the mechanism by which the proximity of engine rigid body eigenvalues amplifies floor vibration.

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